$168,000,000
Initial Public Offering
November 2025
Technology
Bryan Finkel
Managing Director, Equity Capital Markets
About Bryan
Bryan Finkel is a managing director for William Blair based in the firm’s New York office. He joined William Blair's investment banking team in 2021. Prior to William Blair, he worked for Nomura, J.P. Morgan, and UBS.Notable Transactions
$1,000,000,000
Convertible Senior Notes
October 2025
Aerospace Defense & Government Services
$300,000,000
Convertible Senior Notes
September 2025
Industrial Growth Products
$396,750,000
Initial Public Offering
August 2025
Financial Services
$69,000,000
Follow-on Offering
July 2025
Aerospace Defense & Government Services
$1,183,350,000
Follow-on Offering
July 2025
Aerospace Defense & Government Services
$832,236,804
Initial Public Offering
July 2025
Financial Services
William Blair acted as a joint bookrunner on a $832 million initial public offering for Accelerant Holdings (NYSE: ARX), a data-driven risk exchange connecting underwriters of specialty insurance risk with risk capital providers.
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$1,753,750,080
Follow-on Offering &Convertible Senior Notes
July 2025
Aerospace Defense & Government Services
$46,575,000
Follow-on Offering
June 2025
Industrial Growth Products
$126,500,000
Initial Public Offering
May 2025
Financial Services
$581,900,000
Initial Public Offering
February 2025
Aerospace Defense & Government Services
$90,000,000
Follow-on Offering
January 2025
Aerospace Defense & Government Services
Rigorous pursuit of your success. Every transaction. Every time.
Our investment bankers are 100 percent committed to your organization’s sustained success. By drawing on our deep industry and product experience as well as our dedicated global resources, we provide advisory and financing services that allow you to capitalize on today’s opportunities and anticipate tomorrow’s challenges.
More about investment banking at William Blair
Equity Capital Markets
By connecting growth-oriented companies with a network of high-quality, long-term investors, we deliver compelling results for issuers of IPOs, public and confidential follow-on offerings, PIPEs, registered direct offerings, convertibles, and private placements.
More about our equity capital markets expertise
About William Blair
William Blair is a premier global partnership with expertise in investment banking, investment management, and private wealth management. We provide advisory services, strategies, and solutions to meet our clients’ evolving needs. As an independent and employee-owned firm, together with our strategic partners, we operate in more than 20 offices worldwide.*
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1935Year William Blair was founded
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1,950+Employees worldwide
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150 billion+Client assets
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90 YearsIndependent and employee-owned
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20+Offices worldwide
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650+Companies under coverage
As of September 30, 2025
*Includes strategic partnerships with Allier Capital, BDA Partners, and Poalim Capital Markets.