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Portfolio (Quarterly) Guide ↗

Atlas Venture Life Science Advisors, LLC

· CIK 0001917529
13F Portfolio $790.0B AUM 6 positions Filed May 14, 2026 EDGAR ↗ ← All Funds
Q1 2026 Q4 2025 · All 1 Reduced 2 Exited
# Ticker Company Sector Shares Value ↓ % Port Chg Shares Chg % Period Price ① Since Period ①
1 KYMR Kymera Therapeutics, Inc. Healthcare 4,578,008.0 $381.3M 48.26% -82K -1.8% $83.29 -1.3%
2 DYN Dyne Therapeutics, Inc. Healthcare 9,130,465.0 $165.5M 20.95% $18.13 -4.6%
3 SION Sionna Therapeutics, Inc. Healthcare 2,995,602.0 $120.1M 15.20% $40.09 +0.3%
4 Disc Medicine, Inc. 1,513,875.0 $96.8M 12.25% $63.94
5 QTTB Q32 Bio, Inc. Healthcare 2,092,106.0 $13.4M 1.70% $6.42 -10.4%
6 KRRO Korro Bio, Inc. Healthcare 1,137,149.0 $12.9M 1.63% $11.32 -11.9%

Period Price is the implied market price on the last day of the reporting period, calculated as reported value ÷ shares held. It is not the fund's purchase price or cost basis — the fund may have initiated or added to the position at any point during the quarter at a different price. Since Period shows the price change from that quarter-end snapshot to today's last price — it reflects stock movement after the report date, not the fund's actual return.

Sector Allocation
Healthcare 100.0%