Arkolith/Funds/TRV GP IV, LLC

TRV GP IV, LLC

CIK 1688325
Holdings as of Jun 30, 2026·disclosed Aug 10, 2026·~41-day 13F lag·13F-HR
Active Filer

TRV GP IV, LLC holds a concentrated book of 2 stocks worth $253.7M as of Q2 2026 (disclosed Aug 10, 2026, a ~41-day 13F lag). This quarter they opened Fulcrum Therapeutics Inc. Their largest long position is Maze Therapeutics Inc at 53% of the equity book.

Opened
2
bought for the first time
Added to
0
already held, bought more
no adds
Trimmed
0
sold some, still holds it
no trims
Sold out
0
exited the position entirely
nothing exited

Concentration

Top-heavy: concentrated book

Top 5 holdings
100%
Top 10 holdings
100%
Top 20 holdings
100%

Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.

Direct sector allocation

100% mapped to company sectors

Health Care
100%

Direct operating-company sectors from our SIC-based security master. ETF/fund and unclassified holdings stay visible separately; this is not ETF look-through exposure.

Funds with the most overlap

Other tracked managers holding the same core names as TRV GP IV, LLC

Manager / fundShared namesTheir $ in those
BlackRock, Inc.4 / 2$302.5M
FMR LLC4 / 2$233.5M
STATE STREET CORP4 / 2$224.4M
Woodline Partners LP4 / 2$189.1M
VANGUARD CAPITAL MANAGEMENT LLC4 / 2$174.4M
GEODE CAPITAL MANAGEMENT, LLC4 / 2$148.5M
GOLDMAN SACHS GROUP INC4 / 2$119.7M
Ken Griffin4 / 2$40.9M

Ranked by how many of TRV GP IV, LLC's top 2 disclosed names each fund also holds: a cross-fund conviction signal from the latest 13F of every tracked manager.

Holdings: largest first

Bars show each stock's share of the portfolio. Click a row for its position history.

2 positions
#SecurityValueShares% PortLast moveHistory
1Maze Therapeutics, Inc.
COM
$133.5M4.47M
52.6%
—Held
2Tango Therapeutics, Inc.
COM
$120.2M6.37M
47.4%
—Held
Showing all 2 positions
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Filing history

As-of date vs the date the SEC received each filing

QuarterAs ofFiledPositionsValueForm
Q2 2026Jun 30, 2026Aug 10, 20262$253.7M13F-HR
Q1 2026Mar 31, 2026May 7, 20262$266.9M13F-HR
Q4 2025Dec 31, 2025Feb 13, 20262$255.1M13F-HR
Q3 2025Sep 30, 2025Nov 13, 20252$274.0M13F-HR
Q2 2025Jun 30, 2025Aug 8, 20253$163.3M13F-HR
Q1 2025Mar 31, 2025May 9, 20253$92.9M13F-HR
Q4 2024Dec 31, 2024Feb 13, 20252$80.2M13F-HR
Q3 2024Sep 30, 2024Nov 6, 20243$162.1M13F-HR

Data source

Holdings from SEC EDGAR 13F-HR filings, updated quarterly, filed up to 45 days after quarter-end. Public domain. The book and weighting are long equity only; disclosed put/call options are listed separately and excluded from those totals. Price-derived performance is withheld until the price-source policy and freshness gate are green.