TRV GP IV, LLC

CIK 0001688325 · BOSTON, MA · Quarter end: 2026-06-30 · Filed on: 2026-08-10 · Open the SEC source

TRV GP IV, LLC reported 2 positions worth $253.7M as of June 30, 2026 (13F filed August 10, 2026). Largest holding: MAZE (52.6%).

Portfolio Value (AUM)Total value of the fund's US stock portfolio reported to the SEC.
$253.7M
2026 Q2
Positions
2
Top-10 ConcentrationHow much of the portfolio sits in the 10 largest holdings. High = concentrated bets.
100.0%
Est. Net Flow (Q)
2026 Q2
2 positions shown
#SymbolCompanyTypeValue% Port.Shares1YYTD
1MAZEMAZE THERAPEUTICS, INC.SH$133.5M52.63%4,473,958
2TNGXTANGO THERAPEUTICS, INC.SH$120.2M47.37%6,374,574

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

Frequently Asked Questions

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

TRV GP IV, LLC reported 2 positions worth $253.7M in its Q2 2026 13F filing. Largest positions: MAZE (52.6%) and TNGX (47.4%).

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

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

What did TRV GP IV, 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.