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ADAR1 Capital Management, LLC

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

Total Filings

31

Stocks Covered

17

Latest Filing

Feb 18, 2026

Filings

Ovid Therapeutics Inc.

SC 13G · Feb 18, 2026

6.9%

9.3M shares

Spruce Biosciences, Inc.

SC 13G · Feb 18, 2026

5.4%

58K shares

OnKure Therapeutics, Inc.

SC 13G · Feb 18, 2026

7.9%

1.0M shares

Quoin Pharmaceuticals, Ltd.

SC 13G · Feb 18, 2026

6.9%

58K shares

Adagio Medical Holdings, Inc.

SC 13G · Feb 18, 2026

5.7%

1.2M shares

BioAge Labs, Inc.

SC 13G/A · Feb 17, 2026

0.4%

136K shares

Inhibikase Therapeutics, Inc.

SC 13G/A · Feb 17, 2026

9.9%

12.5M shares

iBio, Inc.

SC 13G/A · Feb 17, 2026

4.4%

1.4M shares

Prothena Corporation Public Limited Company

SC 13G/A · Nov 15, 2025

2.7%

1.5M shares

Equillium, Inc.

SC 13G · Nov 15, 2025

9.9%

6.1M shares

Grace Therapeutics, Inc.

SC 13G/A · Nov 15, 2025

9.9%

1.5M shares

iBio, Inc.

SC 13G/A · Aug 15, 2025

9.9%

1.8M shares

Inhibikase Therapeutics, Inc.

SC 13G/A · Aug 15, 2025

9.9%

7.7M shares

Prothena Corporation Public Limited Company

SC 13G · Aug 15, 2025

6.3%

3.4M shares

BioAge Labs, Inc.

SC 13G · Aug 15, 2025

5.4%

1.9M shares

Kiora Pharmaceuticals, Inc.

SC 13G/A · Aug 14, 2025

9.9%

363K shares

Cellectar Biosciences, Inc.

SC 13G/A · Aug 14, 2025

0.1%

3K shares

Grace Therapeutics, Inc.

SC 13G/A · May 15, 2025

10.0%

1.5M shares

iBio, Inc.

SC 13G/A · Feb 15, 2025

10.0%

1.1M shares

ZURA BIO LIMITED

SC 13G/A · Feb 15, 2025

3.2%

2.1M shares

Inhibikase Therapeutics, Inc.

SC 13G · Feb 15, 2025

10.0%

6.8M shares

KALA BIO, Inc.

SC 13G/A · Feb 15, 2025

4.9%

299K shares

KALA BIO, Inc.

SC 13G · Nov 14, 2024

10.0%

478K shares

iBio, Inc.

SC 13G/A · Nov 14, 2024

10.0%

966K shares

Cellectar Biosciences, Inc.

SC 13G/A · Nov 14, 2024

8.5%

3.7M shares

ZURA BIO LIMITED

SC 13G · Nov 14, 2024

5.1%

3.3M shares

Perceptive Capital Solutions Corp

SC 13G · Nov 14, 2024

8.4%

750K shares

Kiora Pharmaceuticals, Inc.

SC 13G · Nov 14, 2024

10.0%

311K shares

Grace Therapeutics, Inc.

SC 13G/A · Nov 14, 2024

10.0%

1.0M shares

PIERIS PHARMACEUTICALS, INC.

SC 13G · Aug 1, 2024

10.5%

139K shares

ACASTI PHARMA INC.

SC 13G · Jul 11, 2024

10.2%

960K shares