1.1d William Blair Sell Side 2022 2 2022-07-26 10:08:06.453Z 2022 04 100.00% 98.03% 0.28% 1.28% 0.41% Citadel Securities LLC (CDRG) 34.48% 34.58% 30.00% 28.89% 31.03% 0.0000 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades Virtu Americas LLC (NITE) 32.95% 32.89% 40.00% 34.44% 37.93% 0.0000 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades Wall Street Access (VNDM) 32.57% 32.53% 30.00% 36.67% 31.03% 0.0000 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades 100.00% 95.99% 1.13% 2.52% 0.36% Wall Street Access (VNDM) 33.55% 33.60% 27.94% 34.87% 30.23% 0.0000 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades Virtu Americas LLC (NITE) 33.37% 33.48% 26.47% 32.57% 30.23% 0.0000 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades Citadel Securities LLC (CDRG) 33.08% 32.92% 45.59% 32.57% 39.53% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades 100.00% 65.76% 6.77% 26.23% 1.25% National Financial Services LLC (NFSC) 100.00% 100.00% 100.00% 100.00% 100.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades 2022 05 100.00% 98.57% 0.30% 1.01% 0.13% Citadel Securities LLC (CDRG) 34.22% 34.21% 28.00% 38.82% 18.18% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades Virtu Americas LLC (NITE) 34.09% 34.11% 32.00% 30.59% 54.55% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades Wall Street Access (VNDM) 31.69% 31.68% 40.00% 30.59% 27.27% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades 100.00% 95.15% 1.41% 3.37% 0.08% Citadel Securities LLC (CDRG) 34.98% 34.54% 36.75% 46.48% 44.44% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades Virtu Americas LLC (NITE) 33.67% 33.88% 31.93% 28.39% 33.33% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades Wall Street Access (VNDM) 31.34% 31.57% 31.33% 25.13% 22.22% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades 100.00% 64.69% 6.41% 27.67% 1.22% National Financial Services LLC (NFSC) 100.00% 100.00% 100.00% 100.00% 100.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades 2022 06 100.00% 97.77% 0.31% 1.76% 0.15% Wall Street Access (VNDM) 34.33% 34.21% 37.50% 41.61% 25.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades Citadel Securities LLC (CDRG) 34.26% 34.22% 41.67% 33.58% 50.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades Virtu Americas LLC (NITE) 31.41% 31.57% 20.83% 24.82% 25.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades 100.00% 94.23% 1.97% 3.63% 0.17% Citadel Securities LLC (CDRG) 35.35% 34.88% 49.25% 40.05% 35.29% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Citadel Securities LLC (CDRG) for these trades Wall Street Access (VNDM) 34.06% 34.27% 27.14% 32.43% 29.41% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Wall Street Access (VNDM) for these trades Virtu Americas LLC (NITE) 30.59% 30.84% 23.62% 27.52% 35.29% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from Virtu Americas LLC (NITE) for these trades 100.00% 69.59% 5.66% 23.81% 0.94% National Financial Services LLC (NFSC) 100.00% 100.00% 100.00% 100.00% 100.00% 0 0.0000 0 0.0000 0 0.0000 0 0.0000 William Blair did not receive payment for order flow from National Financial Services LLC (NFSC) for these trades