Third Rock Ventures IV, L.P.

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

Total Filings

Stocks Covered

Latest Filing

Feb 13, 2026

Filings

Maze Therapeutics, Inc.

SC 13G/A · Feb 13, 2026

9.3%

4.5M shares

Maze Therapeutics, Inc.

SC 13G · May 9, 2025

13.9%

6.1M shares

Dianthus Therapeutics, Inc.

SC 13G/A · Feb 14, 2024

0.0%

0 shares

Magenta Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

11.5%

6.8M shares