TRV GP VI, LLC

CIK 0001990716 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-10 · Open the SEC source ↗

TRV GP VI, LLC reported 4 positions worth $232.3M as of June 30, 2026 (13F filed August 10, 2026). Largest holding: SEPN (60.7%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.

$232.3M

2026 Q2

Positions

Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.

100.0%

Est. Net Flow (Q)

—

2026 Q2

Positions Changes Mix History BacktestPRO

4 positions shown

#	Symbol	Company	Type	Value ↓	% Port.	Shares	1Y	YTD
▸ 1	SEPN	SEPTERNA, INC.	SH	$141.0M	60.72%	4,211,659	—	—
▸ 2	SPTX	SEAPORT THEREAPEUTICS, INC.	SH	$44.8M	19.27%	2,061,222	—	—
▸ 3	RAPP	RAPPORT THERAPEUTICS, INC.	SH	$40.4M	17.39%	969,218	—	—
▸ 4	TNGX	TANGO THERAPEUTICS, INC.	SH	$6.1M	2.61%	194,174	—	—

Read the 2026-Q2 quarterly report · 13F Filing Calendar

Frequently Asked Questions

What stocks does TRV GP VI, LLC hold as of Q2 2026?

TRV GP VI, LLC reported 4 positions worth $232.3M in its Q2 2026 13F filing. Largest positions: SEPN (60.7%), SPTX (19.3%), RAPP (17.4%) and TNGX (2.6%).

What did TRV GP VI, LLC buy in Q2 2026?

No previous quarter is available yet; the comparison appears with the next filing.

What did TRV GP VI, LLC sell in Q2 2026?

No previous quarter is available yet.

13F data shows quarter-end positions, is delayed by up to 45 days and covers only long positions in US-listed securities; short positions, most derivatives and non-US assets are not reported.