ATLAS VENTURE FUND X, L.P.

Activist investor & 5%+ owner · SC 13D/13G filings

Total Filings

Stocks Covered

Latest Filing

Oct 28, 2024

Filings

TECX

Tectonic Therapeutic, Inc.

SC 13D/A · Oct 28, 2024

0.1%

9K shares

QTTB

Q32 Bio Inc.

SC 13D · Apr 2, 2024

7.2%

864K shares

IRON

DISC MEDICINE, INC.

SC 13D/A · Jan 25, 2024

5.8%

1.4M shares

IRON

DISC MEDICINE, INC.

SC 13D/A · Sep 21, 2023

7.0%

1.6M shares

DNTH

Dianthus Therapeutics, Inc.

SC 13D/A · Sep 15, 2023

1.1%

167K shares

IRON

DISC MEDICINE, INC.

SC 13D/A · Feb 14, 2023

12.9%

2.2M shares

REPL

REPLIMUNE GROUP, INC.

SC 13D/A · Dec 6, 2022

3.0%

1.5M shares

REPL

REPLIMUNE GROUP, INC.

SC 13D/A · Sep 14, 2022

4.4%

2.2M shares

MGTA

MAGENTA THERAPEUTICS, INC.

SC 13D/A · May 5, 2022

4.5%

2.7M shares

IKNA

IKENA ONCOLOGY, INC.

SC 13D · Feb 11, 2022

8.1%

2.9M shares