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TCG Crossover GP II, LLC

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

Total Filings

32

Stocks Covered

22

Latest Filing

Feb 27, 2026

Filings

Tectonic Therapeutic, Inc.

SC 13G · Feb 27, 2026

3.1%

585K shares

ADC Therapeutics SA

SC 13G · Feb 17, 2026

9.2%

11.4M shares

Eyepoint, Inc.

SC 13G/A · Feb 17, 2026

4.3%

3.6M shares

Amylyx Pharmaceuticals Inc.

SC 13G/A · Feb 17, 2026

5.7%

6.2M shares

Perspective Therapeutics, Inc.

SC 13G · Feb 6, 2026

3.5%

4.0M shares

ALX Oncology Holdings Inc.

SC 13G · Feb 6, 2026

5.0%

6.5M shares

Surrozen, Inc.

SC 13G · Feb 2, 2026

5.7%

637K shares

Century Therapeutics, Inc.

SC 13G · Jan 15, 2026

4.9%

8.9M shares

Tango Therapeutics, Inc.

SC 13G/A · Nov 14, 2025

6.3%

8.5M shares

Nektar Therapeutics, Inc.

SC 13G/A · Nov 14, 2025

0.0%

0 shares

Cidara Therapeutics, Inc.

SC 13G/A · Nov 14, 2025

0.0%

0 shares

Alector, Inc.

SC 13G · Nov 14, 2025

4.6%

5.0M shares

Monte Rosa Therapeutics, Inc.

SC 13G · Oct 17, 2025

3.6%

2.2M shares

LB Pharmaceuticals Inc.

SC 13G · Sep 18, 2025

7.8%

1.7M shares

Nektar Therapeutics

SC 13G/A · Aug 14, 2025

9.3%

1.9M shares

Adverum Biotechnologies, Inc.

SC 13G/A · May 15, 2025

8.9%

1.9M shares

Dianthus Therapeutics, Inc.

SC 13G/A · May 15, 2025

4.7%

1.5M shares

RAPT Therapeutics, Inc.

SC 13G · Jan 3, 2025

10.0%

13.2M shares

Cidara Therapeutics, Inc.

SC 13G · Dec 3, 2024

9.2%

1.0M shares

Dianthus Therapeutics, Inc.

SC 13G · Nov 22, 2024

5.1%

1.5M shares

Tango Therapeutics, Inc.

SC 13G · Nov 20, 2024

9.8%

10.5M shares

Mineralys Therapeutics, Inc.

SC 13G/A · Nov 13, 2024

5.0%

2.5M shares

Astria Therapeutics, Inc.

SC 13G/A · Nov 13, 2024

4.9%

2.8M shares

EyePoint Pharmaceuticals, Inc.

SC 13G · Nov 7, 2024

5.2%

3.6M shares

Third Harmonic Bio, Inc.

SC 13G · Sep 27, 2024

5.9%

2.4M shares

Fulcrum Therapeutics, Inc.

SC 13G · Sep 20, 2024

9.4%

5.0M shares

Amylyx Pharmaceuticals, Inc.

SC 13G · Aug 26, 2024

6.8%

4.6M shares

NEKTAR THERAPEUTICS

SC 13G · Mar 15, 2024

9.9%

20.0M shares

Mineralys Therapeutics, Inc.

SC 13G · Feb 15, 2024

6.4%

3.2M shares

Adverum Biotechnologies, Inc.

SC 13G · Feb 15, 2024

9.9%

20.8M shares

Astria Therapeutics, Inc.

SC 13G · Jan 16, 2024

9.9%

4.4M shares

Vistagen Therapeutics, Inc.

SC 13G · Oct 16, 2023

7.5%

2.0M shares