Driehaus Capital Management Llc

13F Holdings History for Septerna, Inc. - Common Stock (SEPN)

Symbol: SEPN on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Ownership: 4.66M shares
Security Ownership: 10.5%

Shares, Excluding Options vs Price

Value, Excluding Options

DRIEHAUS CAPITAL MANAGEMENT LLC ownership in Septerna, Inc. Common Stock (SEPN)

2025-06-10 - DRIEHAUS CAPITAL MANAGEMENT LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 4.66M shares of Septerna, Inc. Common Stock (SEPN). This represents 10.5% percent ownership of the company. In their previous filing dated 2025-05-15, DRIEHAUS CAPITAL MANAGEMENT LLC had reported owning 3.12M shares, indicating an increase of 49.2% percent.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
DRIEHAUS CAPITAL MANAGEMENT LLC	10.46%	+49%	$31.4M	4.66M	+1,537,303	+49.2%	$6.73	13G/A	5/31/2025	10 Jun 2025 10:55:12
DRIEHAUS CAPITAL MANAGEMENT LLC	7.03%	+20%	$17.9M	3.12M	+533,055	+20.6%	$5.72	13G/A	3/31/2025	15 May 2025 07:17:14
DRIEHAUS CAPITAL MANAGEMENT LLC	5.83%		$14.8M	2.59M			$5.72	13G	12/31/2024	14 Feb 2025 07:48:56

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
9/30/2025	0.66%	+0.03%	$92.5M	4.92M	+239,465	+5.12%	$18.81	Q3 2025
6/30/2025	0.4%	+0.13%	$49.5M	4.68M	+1,557,823	+49.9%	$10.57	Q2 2025
3/31/2025	0.17%	+0.03%	$18.1M	3.12M	+533,055		$5.79	Q1 2025
12/31/2024	0.49%	+0.49%	$59.3M	2.59M	+2,589,553	NEW	$22.90	Q4 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.