TRV GP Vi, LLC

In its 13F for Q1 2026 (holdings as of March 31, 2026, filed May 7, 2026), TRV GP Vi, LLC reported 3 stock positions worth $135.6 million. Its top holding was Septerna (SEPN) at 74.6% of the portfolio, followed by Rapport Therapeutics (RAPP, 22.4%) and Tango Therapeutics (TNGX, 3.0%). Its holdings were unchanged from Q4 2025.

Most Recent 13F
Q2 2026
Location
Boston, MA
CIK
0001990716
Portfolio Value
$135.6M (Q1 2026)
SEC Filing
0001193125-26-212009 ↗ filed May 7, 2026

Holdings Value

0$50.0M$100.0M$150.0M$200.0M$250.0M Q4 2024: $116.9M Q4 2024 Q1 2025: $42.0M Q1 2025 Q2 2025: $64.2M Q2 2025 Q3 2025: $109.6M Q3 2025 Q4 2025: $148.5M Q4 2025 Q1 2026: $135.6M $135.6M Q1 2026 Q2 2026: $232.3M Q2 2026

Holdings 3 stocks · $135.6M
SEPN Septerna Inc. 74.64% 4,211,659 $101.2M No change
RAPP Rapport Therapeutics Inc. 22.37% 969,218 $30.3M No change
TNGX Tango Therapeutics Inc. 3.00% 194,174 $4.1M No change

Portfolio Sells Q4 2025 → Q1 2026
None this quarter.

Portfolio Buys Q4 2025 → Q1 2026
None this quarter.

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 4$232.3MSEPN, SPTX, RAPP, TNGX
Q1 2026 3$135.6MSEPN, RAPP, TNGX
Q4 2025 3$148.5MSEPN, RAPP, TNGX
Q3 2025 3$109.6MSEPN, RAPP, TNGX
Q2 2025 4$64.2MSEPN, RAPP, CRGX, TNGX
Q1 2025 4$42.0MSEPN, RAPP, CRGX, TNGX
Q4 2024 4$116.9MSEPN, CRGX, RAPP, TNGX