TRV GP VI, LLC

Boston, MA · CIK 1990716 · 13F filing filed 2026-08-10

No investment adviser registration (Form ADV) found for this filer. It may be a parent company whose subsidiaries are the registered advisers, a bank or insurer, or a manager based outside the US.

Others nearbyBoston, MA

$232.3m reported value +71.3% vs Q1 2026

4positions

100.0%in top 10

1 new 0 added 0 reduced 0 sold out vs Q1 2026

Holdings, Q2 2026

The small lines show how much was held over the last 4 quarters (adjusted for stock splits).

#	Security	Ticker	Shares	Value	% of portfolio	Change
1	SEPTERNA INC COM SEPN	SEPN	4,211,659	$141.0m60.72%	60.72%	Unchanged
2	SEAPORT THERAPEUTICS INC COMMON STOCK SPTX	SPTX	2,061,222	$44.8m19.27%	19.27%	New
3	RAPPORT THERAPEUTICS INC COM RAPP	RAPP	969,218	$40.4m17.39%	17.39%	Unchanged
4	TANGO THERAPEUTICS INC COM TNGX	TNGX	194,174	$6.1m2.61%	2.61%	Unchanged

Trades reported as a company insider since 1 Apr 2026

Owning 10% or more of a company, or having someone on its board, makes this manager an insider there: it reports its trades in that company's shares on Form 4 within two business days. Open-market and private purchases and sales only.

Date	Company	Ticker	Trade	Shares	Value	Their holding
2026-05-26	RAPPORT THERAPEUTICS INC 10% owner	RAPP	Sold	18,572	$743.8k18.6k shares	-<1%
2026-05-11	RAPPORT THERAPEUTICS INC 10% owner	RAPP	Sold	133,618	$5.4m133.6k shares	-2%
2026-05-08	RAPPORT THERAPEUTICS INC 10% owner	RAPP	Sold	5,018	$202.3k5.0k shares	-<1%
2026-05-07	RAPPORT THERAPEUTICS INC 10% owner	RAPP	Sold	271,495	$10.9m271.5k shares	-4%
2026-04-17	RAPPORT THERAPEUTICS INC 10% owner	RAPP	Sold	426,005	$17.2m426.0k shares	-6%