TRV GP VI, LLC holds a concentrated book of 4 stocks worth $232.3M as of Q2 2026 (disclosed Aug 10, 2026, a ~41-day 13F lag). This quarter they opened Seaport Thereapeutics, Inc.. Their largest long position is Septerna Inc at 61% of the equity book.
Top-heavy: concentrated book
Share of the disclosed book in its largest positions. A higher top-5 share means a more concentrated, higher-conviction portfolio.
81% mapped to company sectors
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.
Estimated $ traded · quarter-end prices, no cost basis
No trims or exits this quarter.
Other tracked managers holding the same core names as TRV GP VI, LLC
| Manager / fund | Shared names | Their $ in those |
|---|---|---|
| Siren, L.L.C. | 4 / 4 | $307.3M |
| GEODE CAPITAL MANAGEMENT, LLC | 4 / 4 | $176.7M |
| Integrated Wealth Concepts LLC | 4 / 4 | $29K |
| FMR LLC | 3 / 4 | $432.1M |
| BlackRock, Inc. | 3 / 4 | $305.2M |
| ADAGE CAPITAL PARTNERS GP, L.L.C. | 3 / 4 | $273.2M |
| GOLDMAN SACHS GROUP INC | 3 / 4 | $268.1M |
| STATE STREET CORP | 3 / 4 | $242.9M |
Ranked by the share of each fund's own book sitting in the names it shares with TRV GP VI, LLC: only funds sharing at least a tenth of the book qualify. Index giants, bank custody books and market makers are excluded. They hold everything, so their overlap says nothing.
Bars show each stock's share of the portfolio. Click a row for its position history.
| # | Security | Value | Shares | % Port | Last move | History |
|---|---|---|---|---|---|---|
| 1 | Septerna, Inc. COM | $141.0M | 4.21M | 60.7% | —Held | |
| 2 | Seaport Thereapeutics, Inc. COM | $44.8M | 2.06M | 19.3% | ▲New New position | |
| 3 | Rapport Therapeutics, Inc. COM | $40.4M | 969.2K | 17.4% | —Held | |
| 4 | Tango Therapeutics, Inc. COM | $6.1M | 194.2K | 2.6% | —Held |
The public view is the crawlable proof. The same sourced dataset is available through REST and MCP for agents, research scripts, and back-office tools.
This fund page is the Follow view. The Build view lets your agent pull holdings, quarter changes, overlap, and source filings through API or MCP.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/funds/1990716/holdings"
Use Arkolith to show TRV GP VI, LLC's latest holdings, largest changes, and filing provenance.
As-of date vs the date the SEC received each filing
| Quarter | As of | Filed | Positions | Value | Form |
|---|---|---|---|---|---|
| Q2 2026 | Jun 30, 2026 | Aug 10, 2026 | 4 | $232.3M | 13F-HR |
| Q1 2026 | Mar 31, 2026 | May 7, 2026 | 3 | $135.6M | 13F-HR |
| Q4 2025 | Dec 31, 2025 | Feb 13, 2026 | 3 | $148.5M | 13F-HR |
| Q3 2025 | Sep 30, 2025 | Nov 13, 2025 | 3 | $109.6M | 13F-HR |
| Q2 2025 | Jun 30, 2025 | Aug 8, 2025 | 4 | $64.2M | 13F-HR |
| Q1 2025 | Mar 31, 2025 | May 9, 2025 | 4 | $42.0M | 13F-HR |
| Q4 2024 | Dec 31, 2024 | Feb 13, 2025 | 4 | $116.9M | 13F-HR |
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.