DOSSIER · 13F-HR · Q1 2026

TRV GP IV, LLC

$267M in tracked AUM across 2 positions as of Q1 2026.

TG
CIK 0001688325 · last filed Mar 31, 2026
Total AUM
$267M
as of Q1 2026
Holdings
2
positions
Whale Score
69
69
tracked
Activity
no data
changes this Q
AI Analysis · Q1 2026

Portfolio Overview

The filing for TRV GP IV, LLC reveals a highly concentrated, non-diversified investment portfolio with an exceptionally high-risk profile. As of the report date September 30, 2025, the total portfolio value stands at approximately $116.46 million, spread across only a single holding. This represents a drastic reduction in portfolio value of 28.7% compared to the previous quarter ($163.32M). The fund's strategy appears to be a "conviction" or "single-bet" approach, where c...

Key Holdings

The portfolio is composed entirely of Tango Therapeutics, Inc., which accounts for 100% of the total assets at a valuation of $116.46 million. The position consists of 13.86 million shares. The fact that this is the sole holding indicates that TRV GP IV, LLC is likely a specialized vehicle or a subsidiary entity created specifically to hold this asset, rather than a generalist fund managing a broad basket of securities. The reduction in the position’s value (down $30.14M or 17.8% in share count/value) suggests the manager is actively monetizing the position or reducing exposure, possibly due to liquidity needs or a shift in the investment thesis.

Quarter at a glance — Q1 2026

Position-change comparison pending.

No quarter-over-quarter changes available.

Top 10 holdings

By portfolio weight as of Q1 2026.

#HoldingValueSharesWeight
01
MAZE
MAZE THERAPEUTICS, INC.
$134M4.5M50.0%
02
TNGX
TANGO THERAPEUTICS, INC.
$133M6.4M50.0%

Filing history

2026Q1Mar 31
$267M 4.6%
2 positionsView →
2025Q4Dec 31
$255M 119.1%
2 positionsView →
2025Q3Sep 30
$116M 28.7%
1 positionsView →
2025Q2Jun 30
$163M 607.1%
3 positionsLocked
2025Q1Mar 31
$23M 71.2%
1 positionsLocked
2024Q4Dec 31
$80M 50.5%
2 positionsLocked
2024Q3Sep 30
$162M 19.8%
3 positionsLocked
2024Q2Jun 30
$202M 2.0%
3 positionsLocked
2024Q1Mar 31
$206M 16.2%
3 positionsLocked
2023Q4Dec 31
$246M 7.3%
3 positionsLocked
2023Q3Sep 30
$265M 139.8%
3 positionsLocked
2023Q2Jun 30
$111M 20.9%
3 positionsLocked
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