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CIK: 0001917529
Total reported value
$881.3M
$881.3M
6 檔
88.2%
In Q1 2026, Atlas Venture Life Science Advisors, LLC's U.S. equity holdings reached a combined market value of $881.3M, distributed across 6 disclosed stock positions.
In Q1 2026, Atlas Venture Life Science Advisors, LLC adopted a defensive or profit-taking posture, trimming 1 positions and completely liquidating 2 holdings to manage risk exposure.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | KYMR | Kymera Therapeutics Inc | Stock-Other | 48.26% | -11.21% | -1.76% | |
| 2 | DYN | Dyne Therapeutics Inc | Stock-Other | 20.95% | -3.81% | — | |
| 3 | SION | Sionna Therapeutics Inc | Stock-Other | 15.20% | -0.25% | — | |
| 4 | IRON | Disc Medicine Inc | Stock-Other | 12.25% | +0.31% | — | |
| 5 | QTTB | Q32 Bio Inc | Stock-Other | 1.70% | +2.23% | — | |
| 6 | KRRO | Korro Bio Inc | Stock-Other | 1.63% | -0.19% | — |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | KYMR | Kymera Therapeutics Inc | +6.4% | -1.76% | Trim |
| 2 | SION | Sionna Therapeutics Inc | +1% | — | Unchanged |
| 3 | QTTB | Q32 Bio Inc | +0.9% | — | Unchanged |
| 4 | KRRO | Korro Bio Inc | +0.6% | — | Unchanged |
| 5 | DYN | Dyne Therapeutics Inc | +0.3% | — | Unchanged |
| 6 | IRON | Disc Medicine Inc | -1.7% | — | Unchanged |
| 7 | DAWNGBX | Day One Biopharmaceuticals I | — | EXIT | Sold out |
| 8 | ✓ | — | EXIT | Sold out |
According to official SEC Form 13F filings, Atlas Venture Life Science Advisors, LLC reported a total U.S. public equity portfolio value of $881.3M across 6 disclosed positions in Q1 2026.
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In terms of portfolio concentration, the top 5 core holdings (including KYMR, DYN, SION) accounted for 88.2% of total reported equity market value during Q1 2026.
Top Position Liquidated / Trimmed
DAWNGBX
前期市值: $59.8M
During Q1 2026, Atlas Venture Life Science Advisors, LLC's top holdings by market value included KYMR (48.3%)、DYN (20.9%)、SION (15.2%). The largest single position, KYMR, represented 48.3% of total portfolio value.
In Q1 2026, Atlas Venture Life Science Advisors, LLC made 3 total portfolio adjustments, initiating 0 new buys, adding to 0 positions, trimming 1 holdings, and fully liquidating 2 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
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