William Blair Investment Management, Llc - Mar 31, 2025 SCHEDULE 13G/A Report for ACV Auctions Inc. Common Stock (ACVA)

Filing Manager: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Reporting Manager: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
Security: ACV Auctions Inc. Common Stock
Symbol: ACVA
Shares outstanding: 168M shares
Disclosed Ownership: 11.1M shares
Ownership: 6.6%
Form type: SCHEDULE 13G/A
Date filed: 5/9/2025, 03:32 PM
Date of event: Mar 31, 2025
Previous filing: Feb 12, 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	6.6%	11.1M	10.1M	0	Stephanie Braming	Partner, Global Head of Investment Management