DRIEHAUS CAPITAL MANAGEMENT LLC - 31 May 2025 SCHEDULE 13G/A Report for Septerna, Inc. Common Stock (SEPN)

Filing Manager: DRIEHAUS CAPITAL MANAGEMENT LLC
Reporting Manager: DRIEHAUS CAPITAL MANAGEMENT LLC
Security: Septerna, Inc. Common Stock
Symbol: SEPN
Shares outstanding: 44,549,818 shares
Disclosed Ownership: 4,659,911 shares
Ownership: 10.5%
Form type: SCHEDULE 13G/A
Filing time: 10 Jun 2025, 10:55:12 UTC
Date of event: 31 May 2025
Previous filing: 15 May 2025
SEC: View on sec.gov

Reporting Managers (1)

Name	Ownership	Shares Owned	sole voting power	shared voting power	Signature	Title	CIK
DRIEHAUS CAPITAL MANAGEMENT LLC	10.46%	4,659,911	0	4,659,911	Janet McWilliams	Janet McWilliams, General Counsel