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Perceptive Advisors LLC

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

Total Filings

261

Stocks Covered

104

Latest Filing

Jan 22, 2026

Filings

(Amendment )* Athenex, Inc.

SC 13D · Feb 2, 2023

9.9%

15.5M shares

Landos Biopharma, Inc.

SC 13D/A · Jan 13, 2023

36.9%

14.9M shares

Astria Therapeutics, Inc.

SC 13D/A · Dec 21, 2022

9.9%

2.5M shares

Solid Biosciences Inc.

SC 13D/A · Dec 6, 2022

17.9%

3.5M shares

Acrivon Therapeutics, Inc.

SC 13G · Nov 18, 2022

14.4%

3.0M shares

Quotient Limited

SC 13G/A · Nov 3, 2022

0.0%

0 shares

Relmada Therapeutics, Inc.

SC 13G · Sep 23, 2022

7.0%

2.1M shares

Solid Biosciences Inc.

SC 13D/A · Sep 2, 2022

11.9%

13.5M shares

Landos Biopharma, Inc.

SC 13D/A · Aug 9, 2022

36.9%

14.9M shares

Inhibrx, Inc.

SC 13G · Jul 19, 2022

5.0%

2.0M shares

Athira Pharma, Inc.

SC 13D/A · Jul 1, 2022

12.8%

4.8M shares

Amylyx Pharmaceuticals, Inc.

SC 13G · Jun 21, 2022

5.1%

3.0M shares

Crinetics Pharmaceuticals, Inc.

SC 13D/A · Apr 25, 2022

10.0%

5.3M shares

Crinetics Pharmaceuticals, Inc.

SC 13D/A · Apr 21, 2022

10.0%

5.3M shares

Lyra Therapeutics, Inc.

SC 13D/A · Apr 14, 2022

24.8%

9.1M shares

Amicus Therapeutics, Inc.

SC 13G · Mar 2, 2022

9.7%

27.4M shares

Amicus Therapeutics, Inc.

SC 13D/A · Mar 2, 2022

9.7%

27.4M shares

(Amendment )* Amicus Therapeutics, Inc.

SC 13D · Feb 22, 2022

9.5%

26.6M shares

SpringWorks Therapeutics, Inc.

SC 13G/A · Feb 15, 2022

9.8%

4.8M shares

Quotient Limited

SC 13G/A · Feb 15, 2022

15.8%

16.2M shares

BridgeBio Pharma, Inc.

SC 13G/A · Feb 15, 2022

4.8%

7.1M shares

Collegium Pharmaceutical, Inc.

SC 13G/A · Feb 15, 2022

0.0%

0 shares

Zymeworks Inc..

SC 13G/A · Feb 15, 2022

6.6%

3.7M shares

ADMA Biologics, Inc.

SC 13G/A · Feb 15, 2022

6.1%

11.9M shares

VYNE Therapeutics, Inc.

SC 13G/A · Feb 15, 2022

4.5%

2.4M shares

AnaptysBio, Inc.

SC 13G/A · Feb 15, 2022

0.0%

0 shares

Protara Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

3.8%

422K shares

Outset Medical, Inc.

SC 13G/A · Feb 14, 2022

4.0%

1.9M shares

Leap Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

9.6%

8.5M shares

Coherus BioSciences, Inc.

SC 13G/A · Feb 14, 2022

7.0%

5.4M shares

BCLS Acquisition Corp.

SC 13G/A · Feb 14, 2022

6.7%

1.0M shares

POINT Biopharma Global Inc.

SC 13G/A · Feb 14, 2022

1.3%

1.2M shares

IVERIC bio, Inc.

SC 13G/A · Feb 14, 2022

5.7%

6.5M shares

Oncorus, Inc.

SC 13G/A · Feb 14, 2022

3.9%

1000K shares

Mirati Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

5.9%

3.3M shares

Frequency Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

0.0%

0 shares

RAPT Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

9.9%

2.9M shares

SCYNEXIS, Inc.

SC 13G/A · Feb 14, 2022

0.0%

0 shares

Tarsus Pharmaceuticals, Inc.

SC 13G/A · Feb 14, 2022

6.3%

1.3M shares

C4 Thereapeutics, Inc.

SC 13G/A · Feb 14, 2022

4.5%

2.2M shares

Rocket Pharmaceuticals, Inc.

SC 13G/A · Feb 14, 2022

3.0%

2.0M shares

Provention Bio, Inc.

SC 13G/A · Feb 14, 2022

1.5%

948K shares

Research Alliance Corp. II

SC 13G/A · Feb 14, 2022

6.5%

1.0M shares

Rain Therapeutics Inc.

SC 13G/A · Feb 14, 2022

9.4%

2.5M shares

N/A

Forte Biosciences, Inc.

SC 13G/A · Feb 14, 2022

0.0%

0 shares

IsoPlexis Corporation

SC 13G/A · Feb 14, 2022

12.3%

4.9M shares

Travere Therapeutics, Inc.

SC 13G/A · Feb 14, 2022

3.0%

1.8M shares

Prometheus Biosciences, Inc.

SC 13G/A · Feb 14, 2022

8.1%

3.2M shares

Bellus Health Inc.

SC 13G/A · Feb 14, 2022

7.4%

7.6M shares

enVVeno Medical Corporation

SC 13G/A · Feb 14, 2022

9.9%

954K shares