Atlas Venture Life Science Advisors, LLC — 13F holdings

Atlas Venture Life Science Advisors, LLC reported 7 holdings worth $881M in its 13F filing for Q2 2026, filed August 13, 2026.

Largest positions

1. KYMR KYMERA THERAPEUTICS INC — $327M (37.1%)
2. DYN DYNE THERAPEUTICS INC — $151M (17.1%)
3. SION SIONNA THERAPEUTICS INC — $132M (15.0%)
4. KLRA KAILERA THERAPEUTICS INC — $114M (12.9%)
5. IRON DISC MEDICINE INC — $111M (12.6%)
6. QTTB Q32 Bio Inc — $34.6M (3.9%)
7. KRRO KORRO BIO INC — $12.7M (1.4%)