MPM BioVentures 2014, L.P.

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

Total Filings

Stocks Covered

Latest Filing

Jan 16, 2026

Filings

HOWL

WEREWOLF THERAPEUTICS, INC.

SC 13D/A · Jan 16, 2026

3.0%

1.5M shares

HOWL

WEREWOLF THERAPEUTICS, INC.

SC 13D/A · Dec 29, 2025

3.6%

1.7M shares

HOWL

WEREWOLF THERAPEUTICS, INC.

SC 13D/A · Dec 4, 2025

4.3%

2.1M shares

HOWL

WEREWOLF THERAPEUTICS, INC.

SC 13D/A · Nov 18, 2025

4.9%

2.4M shares

HOWL

WEREWOLF THERAPEUTICS, INC.

SC 13D/A · Nov 4, 2025

5.8%

2.7M shares

ITOS

ITEOS THERAPEUTICS, INC.

SC 13D/A · May 15, 2025

1.6%

621K shares

RPTX

REPARE THERAPEUTICS INC.

SC 13D/A · Jan 31, 2025

2.4%

1.0M shares

RPTX

REPARE THERAPEUTICS INC.

SC 13D/A · Jan 15, 2025

2.7%

1.1M shares

RPTX

REPARE THERAPEUTICS INC.

SC 13D/A · Jan 6, 2025

3.3%

1.4M shares

RPTX

REPARE THERAPEUTICS INC.

SC 13D/A · Dec 26, 2024

4.1%

1.7M shares