TRV GP VI, LLC

Position in SEPN — Septerna, Inc.

CIK 1990716 Boston, MA

Position in SEPN

as of Jun 30, 2026 · filed Aug 10, 2026 Compact

Position Value

$141,048,459

+$39,842,294 QoQ

Shares Held

4,211,659

0.0% QoQ

Ownership

9.02%

of shares outstanding

% of Portfolio

60.72%

of 13F equity value

Holder Rank

of 154 holders

Holding Since

Dec 2024

7 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

TRV GP VI, LLC holds $232,275,393 across 4 Biotechnology names. SEPN ranks #1 (60.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	SEPN	Septerna, Inc. This page	4,211,659	$141,048,459
2	SPTX	Seaport Therapeutics, Inc.	2,061,222	$44,769,741
3	RAPP	Rapport Therapeutics, Inc.	969,218	$40,387,314
4	TNGX	Tango Therapeutics, Inc.	194,174	$6,069,879

7 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$141,048,459	4,211,659	0.0%	Shares	Sole	2026-08-10
2026-03-31	$101,206,165	4,211,659	0.0%	Shares	Sole	2026-05-07
2025-12-31	$117,421,052	4,211,659	0.0%	Shares	Sole	2026-02-13
2025-09-30	$79,221,305	4,211,659	0.0%	Shares	Sole	2025-11-13
2025-06-30	$44,517,235	4,211,659	0.0%	Shares	Sole	2025-08-08
2025-03-31	$24,385,505	4,211,659	+33.6%	Shares	Sole	2025-05-09
2024-12-31	$72,191,242	3,152,456	—	Shares	Sole	2025-02-13
No filing history on record for this holder in this stock.