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Baker Bros. Advisors LP

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

Total Filings

174

Stocks Covered

68

Latest Filing

Feb 17, 2026

Filings

GRAIL, Inc.

SC 13G · Feb 17, 2026

5.3%

2.1M shares

Alkermes plc.

SC 13G · Feb 17, 2026

6.1%

10.0M shares

KALA BIO, Inc.

SC 13G/A · Feb 17, 2026

10.0%

2.9M shares

Revolution Medicines, Inc.

SC 13G/A · Feb 17, 2026

4.9%

9.5M shares

Nurix Therapeutics, Inc.

SC 13G/A · Feb 17, 2026

7.2%

7.5M shares

Stoke Therapeutics, Inc.

SC 13G/A · Feb 17, 2026

5.8%

3.3M shares

Immatics N.V.

SC 13G/A · Nov 14, 2025

9.9%

12.1M shares

Cerus Corporation

SC 13G/A · Nov 14, 2025

5.2%

10.0M shares

KALA BIO, Inc.

SC 13G · Oct 3, 2025

10.0%

745K shares

Edgewise Therapeutics, Inc.

SC 13G/A · Aug 14, 2025

6.9%

7.3M shares

Immatics N.V.

SC 13G/A · Aug 14, 2025

8.4%

10.2M shares

Neurogene Inc.

SC 13G/A · Aug 14, 2025

7.0%

992K shares

Revolution Medicines, Inc.

SC 13G · Aug 14, 2025

5.0%

9.4M shares

Cerus Corporation

SC 13G/A · Aug 14, 2025

6.7%

12.9M shares

Candel Therapeutics, Inc.

SC 13G/A · May 15, 2025

5.0%

2.5M shares

Neurogene Inc.

SC 13G · May 15, 2025

9.9%

1.5M shares

Rhythm Pharmaceuticals, Inc.

SC 13G/A · May 15, 2025

8.9%

5.6M shares

Celcuity Inc.

SC 13G/A · Apr 7, 2025

11.3%

4.3M shares

Immatics N.V.

SC 13G/A · Feb 14, 2025

6.0%

7.3M shares

Celcuity Inc.

SC 13G/A · Feb 14, 2025

7.2%

2.7M shares

Candel Therapeutics, Inc.

SC 13G · Feb 14, 2025

6.8%

3.0M shares

Biomea Fusion, Inc.

SC 13G/A · Feb 14, 2025

4.0%

1.5M shares

Bicycle Therapeutics plc

SC 13D/A · Dec 17, 2024

22.9%

10.9M shares

BeiGene, Ltd.

SC 13D/A · Dec 11, 2024

9.0%

124.8M shares

Sagimet Biosciences Inc.

SC 13G/A · Nov 14, 2024

5.0%

1.5M shares

Celcuity Inc.

SC 13G · Nov 14, 2024

5.1%

1.9M shares

Stoke Therapeutics, Inc.

SC 13G · Nov 14, 2024

8.3%

4.4M shares

Achilles Therapeutics plc

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Nurix Therapeutics, Inc .

SC 13G/A · Nov 14, 2024

9.7%

6.8M shares

Aerovate Therapeutics, Inc.

SC 13G/A · Nov 14, 2024

2.2%

629K shares

Replimune Group, Inc.

SC 13G/A · Nov 14, 2024

16.2%

11.0M shares

Athira Pharma, Inc.

SC 13G/A · Nov 14, 2024

0.0%

0 shares

Edgewise Therapeutics, Inc .

SC 13G · Nov 14, 2024

6.2%

5.8M shares

AbCellera Biologics Inc.

SC 13G/A · Nov 14, 2024

9.3%

27.5M shares

Talis Biomedical Corporation

SC 13D/A · Oct 10, 2024

65.6%

2.5M shares

Kiniksa Pharmaceuticals International, plc (f/k/a Kiniksa Pharmaceuticals, Ltd.)**

SC 13D/A · Oct 8, 2024

7.6%

3.1M shares

Kymera Therapeutics, Inc.

SC 13D/A · Aug 22, 2024

9.3%

6.0M shares

KALA BIO, Inc.

SC 13D · Jun 28, 2024

20.0%

891K shares

Entrada Therapeutics, Inc.

SC 13D/A · Jun 26, 2024

13.2%

4.9M shares

HOOKIPA Pharma Inc.

SC 13D · Jun 14, 2024

10.0%

9.8M shares

Incyte Corporation

SC 13D/A · Jun 14, 2024

16.1%

30.8M shares

Bicycle Therapeutics plc

SC 13D/A · May 28, 2024

19.9%

9.4M shares

Incyte Corporation

SC 13D/A · May 13, 2024

16.1%

36.3M shares

Incyte Corporation

SC 13D/A · May 9, 2024

16.2%

36.3M shares

TScan Therapeutics, Inc.

SC 13D/A · Apr 23, 2024

6.1%

2.8M shares

Bicycle Therapeutics plc

SC 13D · Apr 18, 2024

19.9%

7.7M shares

Kymera Therapeutics, Inc.

SC 13D · Apr 1, 2024

9.8%

6.0M shares

IGM Biosciences, Inc.

SC 13D/A · Mar 28, 2024

12.4%

4.1M shares

Madrigal Pharmaceuticals, Inc.

SC 13D/A · Mar 25, 2024

10.0%

2.1M shares

vTv Therapeutics Inc.

SC 13D · Mar 5, 2024

5.0%

123K shares