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Madison Avenue International LP

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

Total Filings

34

Stocks Covered

16

Latest Filing

Mar 4, 2026

Filings

APARTMENT INVESTMENT & MANAGEMENT CO

SC 13G · Mar 4, 2026

8.6%

12.3M shares

Magnera Corporation

SC 13G/A · Feb 17, 2026

5.0%

1.8M shares

Indivior Pharmaceuticals, Inc.

SC 13G/A · Feb 17, 2026

5.0%

6.3M shares

Keros Therapeutics, Inc.

SC 13G/A · Feb 17, 2026

2.7%

824K shares

Veradigm Inc.

SC 13G · Jan 29, 2026

6.6%

7.2M shares

Sage Therapeutics, Inc.

SC 13G · Apr 1, 2025

8.0%

4.9M shares

Indivior PLC

SC 13G · Mar 18, 2025

6.0%

7.4M shares

Magnera Corporation

SC 13G · Nov 14, 2024

9.0%

3.2M shares

Veradigm Inc.

SC 13G/A · Nov 14, 2024

3.0%

3.2M shares

Theravance Biopharma, Inc.

SC 13G/A · Nov 14, 2024

19.4%

9.5M shares

The Central and Eastern Europe Fund, Inc.

SC 13G/A · Nov 14, 2024

1.2%

79K shares

John Wiley & Sons, Inc.

SC 13G · Sep 30, 2024

5.1%

2.3M shares

Orion Office REIT Inc.

SC 13G/A · Jul 24, 2024

1.0%

150K shares

Veradigm Inc.

SC 13G · Jun 10, 2024

5.7%

6.1M shares

Graham Holdings Company

SC 13G · May 30, 2024

6.4%

223K shares

Theravance Biopharma, Inc.

SC 13G/A · May 3, 2024

17.5%

8.5M shares

Ovid Therapeutics Inc

SC 13G/A · Feb 14, 2024

5.2%

3.6M shares

Orion Office REIT Inc.

SC 13G/A · Feb 14, 2024

5.4%

3.0M shares

G-III APPAREL GROUP, LTD

SC 13G/A · Feb 14, 2024

2.9%

1.3M shares

The Central and Eastern Europe Fund, Inc.

SC 13G · Jan 22, 2024

5.9%

371K shares

N/A

LENSAR, Inc.

SC 13G/A · Dec 11, 2023

0.4%

46K shares

Ovid Therapeutics Inc

SC 13G · Jul 31, 2023

5.1%

3.6M shares

G-III APPAREL GROUP, LTD

SC 13G · Feb 23, 2023

7.1%

3.4M shares

Theravance Biopharma, Inc.

SC 13G/A · Feb 14, 2023

10.4%

7.0M shares

Orion Office REIT Inc.

SC 13G/A · Feb 14, 2023

8.4%

4.8M shares

PFSweb, Inc.

SC 13G/A · Feb 14, 2023

11.6%

2.6M shares

N/A

LENSAR, Inc.

SC 13G/A · Feb 14, 2023

6.1%

669K shares

Orion Office REIT Inc.

SC 13G · Apr 14, 2022

7.3%

4.1M shares

PFSweb, Inc.

SC 13G/A · Mar 4, 2022

10.8%

2.4M shares

Theravance Biopharma, Inc.

SC 13G/A · Feb 14, 2022

9.0%

6.6M shares

PFSweb, Inc.

SC 13G/A · Feb 14, 2022

7.8%

1.6M shares

N/A

LENSAR, Inc.

SC 13G/A · Feb 14, 2022

6.2%

676K shares

Sylvamo Corp

SC 13G/A · Feb 14, 2022

4.7%

2.1M shares

James River Group Holdings, Ltd.

SC 13G/A · Feb 14, 2022

2.1%

795K shares