TRV GP VI, LLC — Q3 2025 13F-HR

← TRV GP VI, LLC

Q3 2025 · 13F-HR

TRV GP VI, LLCholdings as filed

Filed 2025-11-13 · accession 0001193125-25-280201

$109.6M

Reported value

Positions

2025-09-30

Period end

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The Brief · TRV GP VI, LLC · Q3 2025

AI · grounded in 13F

TRV GP VI, LLC established a new position in SEPN valued at $79.2M. The fund also initiated a stake in RAPP for $28.8M. Additionally, it added TNGX to its portfolio with a $1.6M investment.

Holdings as filed

CUSIP	Ticker	Issuer	Value	% port.	Shares	Class	Voting
81734D104	SEPN	SEPTERNA, INC.	$79.2M	72.3%	4,211,659	Common	SOLE
75383L102	RAPP	RAPPORT THERAPEUTICS, INC.	$28.8M	26.3%	969,218	Common	SOLE
87583X109	TNGX	TANGO THERAPEUTICS, INC.	$1.6M	1.49%	194,174	Common	SOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.