﻿<?xml version="1.0" encoding="utf-8"?>
<heldOrderRoutingPublicReport>
  <version>1.1d</version>
  <bd>William Blair Sell Side</bd>
  <year>2025</year>
  <qtr>3</qtr>
  <timestamp>2025-10-06T13:30:23Z</timestamp>
  <rMonthly>
    <year>2025</year>
    <mon>07</mon>
    <rSP500>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>88.08</ndoMarketPct>
      <ndoMarketableLimitPct>3.97</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>7.03</ndoNonmarketableLimitPct>
      <ndoOtherPct>0.92</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>34.52</orderPct>
          <marketPct>35.08</marketPct>
          <marketableLimitPct>31.71</marketableLimitPct>
          <nonMarketableLimitPct>29.66</nonMarketableLimitPct>
          <otherPct>29.82</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.0000</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>34.36</orderPct>
          <marketPct>34.31</marketPct>
          <marketableLimitPct>34.15</marketableLimitPct>
          <nonMarketableLimitPct>34.94</nonMarketableLimitPct>
          <otherPct>35.09</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.0000</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>31.13</orderPct>
          <marketPct>30.61</marketPct>
          <marketableLimitPct>34.15</marketableLimitPct>
          <nonMarketableLimitPct>35.40</nonMarketableLimitPct>
          <otherPct>35.09</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.0000</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rSP500>
    <rOtherStocks>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>86.10</ndoMarketPct>
      <ndoMarketableLimitPct>4.26</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>8.25</ndoNonmarketableLimitPct>
      <ndoOtherPct>1.40</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>34.44</orderPct>
          <marketPct>33.95</marketPct>
          <marketableLimitPct>37.75</marketableLimitPct>
          <nonMarketableLimitPct>39.21</nonMarketableLimitPct>
          <otherPct>26.71</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.0000</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>33.07</orderPct>
          <marketPct>33.21</marketPct>
          <marketableLimitPct>33.26</marketableLimitPct>
          <nonMarketableLimitPct>30.86</nonMarketableLimitPct>
          <otherPct>36.30</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0.0000</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>32.49</orderPct>
          <marketPct>32.84</marketPct>
          <marketableLimitPct>28.99</marketableLimitPct>
          <nonMarketableLimitPct>29.93</nonMarketableLimitPct>
          <otherPct>36.99</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>78.01</ndoMarketPct>
      <ndoMarketableLimitPct>1.43</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>13.95</ndoNonmarketableLimitPct>
      <ndoOtherPct>6.61</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>National Financial Services LLC (NFSC)</name>
          <orderPct>100.00</orderPct>
          <marketPct>100.00</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>100.00</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
	</rMonthly>
	<rMonthly>
    <year>2025</year>
    <mon>08</mon>
    <rSP500>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>94.10</ndoMarketPct>
      <ndoMarketableLimitPct>1.79</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>3.75</ndoNonmarketableLimitPct>
      <ndoOtherPct>0.36</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>33.78</orderPct>
          <marketPct>33.79</marketPct>
          <marketableLimitPct>34.88</marketableLimitPct>
          <nonMarketableLimitPct>33.21</nonMarketableLimitPct>
          <otherPct>30.77</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>33.52</orderPct>
          <marketPct>33.50</marketPct>
          <marketableLimitPct>33.33</marketableLimitPct>
          <nonMarketableLimitPct>32.47</nonMarketableLimitPct>
          <otherPct>50.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>32.70</orderPct>
          <marketPct>32.71</marketPct>
          <marketableLimitPct>31.78</marketableLimitPct>
          <nonMarketableLimitPct>34.32</nonMarketableLimitPct>
          <otherPct>19.23</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rSP500>
    <rOtherStocks>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>90.08</ndoMarketPct>
      <ndoMarketableLimitPct>2.12</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>6.94</ndoNonmarketableLimitPct>
      <ndoOtherPct>0.86</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>33.65</orderPct>
          <marketPct>33.29</marketPct>
          <marketableLimitPct>40.97</marketableLimitPct>
          <nonMarketableLimitPct>36.11</nonMarketableLimitPct>
          <otherPct>33.70</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>33.57</orderPct>
          <marketPct>33.55</marketPct>
          <marketableLimitPct>32.16</marketableLimitPct>
          <nonMarketableLimitPct>34.50</nonMarketableLimitPct>
          <otherPct>31.52</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>32.78</orderPct>
          <marketPct>33.16</marketPct>
          <marketableLimitPct>26.87</marketableLimitPct>
          <nonMarketableLimitPct>29.40</nonMarketableLimitPct>
          <otherPct>34.78</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>71.03</ndoMarketPct>
      <ndoMarketableLimitPct>2.44</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>15.53</ndoNonmarketableLimitPct>
      <ndoOtherPct>11.00</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>National Financial Services LLC (NFSC)</name>
          <orderPct>100.00</orderPct>
          <marketPct>100.00</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>100.00</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
	</rMonthly>
	<rMonthly>
    <year>2025</year>
    <mon>09</mon>
    <rSP500>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>91.44</ndoMarketPct>
      <ndoMarketableLimitPct>2.19</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>5.91</ndoNonmarketableLimitPct>
      <ndoOtherPct>0.47</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>34.36</orderPct>
          <marketPct>34.25</marketPct>
          <marketableLimitPct>32.59</marketableLimitPct>
          <nonMarketableLimitPct>36.44</nonMarketableLimitPct>
          <otherPct>37.93</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>33.36</orderPct>
          <marketPct>33.32</marketPct>
          <marketableLimitPct>38.52</marketableLimitPct>
          <nonMarketableLimitPct>32.60</nonMarketableLimitPct>
          <otherPct>27.59</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>32.28</orderPct>
          <marketPct>32.43</marketPct>
          <marketableLimitPct>28.89</marketableLimitPct>
          <nonMarketableLimitPct>30.96</nonMarketableLimitPct>
          <otherPct>34.48</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rSP500>
    <rOtherStocks>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>86.28</ndoMarketPct>
      <ndoMarketableLimitPct>2.12</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>10.65</ndoNonmarketableLimitPct>
      <ndoOtherPct>0.95</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>Citadel Securities LLC (CDRG)</name>
          <orderPct>33.88</orderPct>
          <marketPct>33.73</marketPct>
          <marketableLimitPct>40.00</marketableLimitPct>
          <nonMarketableLimitPct>34.21</nonMarketableLimitPct>
          <otherPct>30.43</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Wall Street Access (VNDM)</name>
          <orderPct>33.49</orderPct>
          <marketPct>33.68</marketPct>
          <marketableLimitPct>30.24</marketableLimitPct>
          <nonMarketableLimitPct>32.56</nonMarketableLimitPct>
          <otherPct>33.70</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades</materialAspects>
        </rVenue>
        <rVenue>
          <name>Virtu Americas LLC (NITE)</name>
          <orderPct>32.63</orderPct>
          <marketPct>32.59</marketPct>
          <marketableLimitPct>29.76</marketableLimitPct>
          <nonMarketableLimitPct>33.24</nonMarketableLimitPct>
          <otherPct>35.87</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOtherStocks>
    <rOptions>
      <ndoPct>100.00</ndoPct>
      <ndoMarketPct>65.53</ndoMarketPct>
      <ndoMarketableLimitPct>1.38</ndoMarketableLimitPct>
      <ndoNonmarketableLimitPct>20.78</ndoNonmarketableLimitPct>
      <ndoOtherPct>12.32</ndoOtherPct>
      <rVenues>
        <rVenue>
          <name>National Financial Services LLC (NFSC)</name>
          <orderPct>100.00</orderPct>
          <marketPct>100.00</marketPct>
          <marketableLimitPct>100.00</marketableLimitPct>
          <nonMarketableLimitPct>100.00</nonMarketableLimitPct>
          <otherPct>100.00</otherPct>
          <netPmtPaidRecvMarketOrdersUsd>0</netPmtPaidRecvMarketOrdersUsd>
          <netPmtPaidRecvMarketOrdersCph>0.0000</netPmtPaidRecvMarketOrdersCph>
          <netPmtPaidRecvMarketableLimitOrdersUsd>0</netPmtPaidRecvMarketableLimitOrdersUsd>
          <netPmtPaidRecvMarketableLimitOrdersCph>0.0000</netPmtPaidRecvMarketableLimitOrdersCph>
          <netPmtPaidRecvNonMarketableLimitOrdersUsd>0</netPmtPaidRecvNonMarketableLimitOrdersUsd>
          <netPmtPaidRecvNonMarketableLimitOrdersCph>0.0000</netPmtPaidRecvNonMarketableLimitOrdersCph>
          <netPmtPaidRecvOtherOrdersUsd>0</netPmtPaidRecvOtherOrdersUsd>
          <netPmtPaidRecvOtherOrdersCph>0.0000</netPmtPaidRecvOtherOrdersCph>
          <materialAspects>William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades</materialAspects>
        </rVenue>
      </rVenues>
    </rOptions>
  </rMonthly>
</heldOrderRoutingPublicReport>