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Sio Capital Management, LLC

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

Total Filings

28

Stocks Covered

11

Latest Filing

Feb 11, 2026

Filings

Adagio Medical Holdings, Inc.

SC 13G · Feb 11, 2026

6.1%

1.3M shares

Aligos Therapeutics, Inc.

SC 13G/A · Feb 11, 2026

5.5%

336K shares

Bright Minds Biosciences Inc.

SC 13G/A · Nov 12, 2025

2.7%

191K shares

PMV Pharmaceuticals, Inc.

SC 13G/A · Nov 12, 2025

5.0%

2.6M shares

NeuroOne Medical Technologies Corp

SC 13G/A · Nov 12, 2025

4.7%

2.4M shares

Anteris Technologies Global Corp.

SC 13G/A · Nov 12, 2025

4.9%

1.8M shares

Aprea Therapeutics, Inc.

SC 13G/A · Nov 12, 2025

1.9%

112K shares

Bright Minds Biosciences Inc.

SC 13G/A · Aug 13, 2025

7.3%

512K shares

PMV Pharmaceuticals, Inc.

SC 13G/A · Aug 13, 2025

7.2%

3.7M shares

NeuroOne Medical Technologies Corp

SC 13G · Aug 13, 2025

7.1%

3.5M shares

Aligos Therapeutics, Inc.

SC 13G · Aug 13, 2025

5.5%

356K shares

Aprea Therapeutics, Inc.

SC 13G/A · Aug 13, 2025

5.0%

279K shares

Anteris Technologies Global Corp.

SC 13G/A · Aug 13, 2025

8.1%

2.9M shares

Ventyx Biosciences, Inc.

SC 13G/A · Apr 8, 2025

3.6%

2.6M shares

PMV Pharmaceuticals, Inc.

SC 13G · Apr 8, 2025

7.2%

3.7M shares

Vaxart, Inc.

SC 13G · Apr 8, 2025

2.5%

5.6M shares

Bright Minds Biosciences Inc.

SC 13G · Apr 8, 2025

7.2%

508K shares

Anteris Technologies Global Corp.

SC 13G · Apr 8, 2025

9.6%

3.5M shares

Aprea Therapeutics, Inc.

SC 13G/A · Apr 8, 2025

5.0%

277K shares

Q32 Bio Inc.

SC 13G · Apr 8, 2025

0.0%

0 shares

Ventyx Biosciences, Inc.

SC 13G · Feb 10, 2025

5.7%

4.0M shares

Vaxart, Inc.

SC 13G · Feb 10, 2025

5.1%

11.5M shares

PMV Pharmaceuticals, Inc.

SC 13G · Feb 10, 2025

6.9%

3.6M shares

Q32 Bio Inc.

SC 13G · Feb 10, 2025

5.7%

697K shares

Anteris Technologies Global Corp.

SC 13G · Feb 10, 2025

9.6%

3.5M shares

Modular Medical, Inc.

SC 13G/A · Feb 10, 2025

0.7%

252K shares

Aprea Therapeutics, Inc.

SC 13G/A · Feb 10, 2025

5.1%

277K shares

Bright Minds Biosciences Inc.

SC 13G · Feb 10, 2025

6.5%

452K shares