TRV GP IV, LLC
TRV GP IV, LLC reported 2 US-listed holdings worth $253.7 million in its 13F for the quarter ended 30 June 2026, filed 10 August 2026. Its largest: Maze Therapeatics (52.6%) and Tango Therapeutics Inc. (47.4%). Against the quarter before, it opened 0 positions, added to 0, trimmed 0 and sold out of 0.
The 2 largest of its 2 positions, each sized by its share of the reported holdings, coloured by the change in shares against Q1 2026.
What the fund reported holding at each quarter's end; hover a bar for the number of positions
What its reported holdings returned
Held through each quarter, the holdings it reported returned +18.2% over the 7 quarters to 30 June 2026, against +30.2% for the S&P 500.
Not the fund's own return: each 13F's holdings are kept unchanged until the next one, so trades inside a quarter, dividends, cash and fees are left out. A rough guide to how its picks have done over time.
What it holds
| Company | Shares | Value | Of its book | Change in shares |
|---|---|---|---|---|
| Maze Therapeatics MAZE | 4.5M | $133.5 million | 52.63% | no change |
| Tango Therapeutics Inc. TNGX | 6.4M | $120.2 million | 47.37% | no change |