Hein Park Capital Management LP

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

Total Filings

Stocks Covered

Latest Filing

Feb 13, 2026

Filings

MNKTQ

Keenova Therapeutics plc

SC 13G · Feb 13, 2026

5.5%

2.1M shares

DBD

Diebold Nixdorf, Incorporated

SC 13D/A · Oct 22, 2024

5.9%

2.2M shares

DBD

Diebold Nixdorf, Incorporated

SC 13D/A · Jul 23, 2024

7.7%

2.9M shares

MNKTQ

Mallinckrodt plc

SC 13D/A · Jun 26, 2024

9.1%

1.8M shares

MNKTQ

Mallinckrodt plc

SC 13D/A · Apr 8, 2024

7.8%

1.5M shares

DBD

Diebold Nixdorf, Incorporated

SC 13D/A · Mar 22, 2024

8.1%

3.1M shares

MNKTQ

Mallinckrodt plc

SC 13D/A · Mar 11, 2024

6.2%

1.2M shares

MNKTQ

Mallinckrodt plc

SC 13D · Jan 16, 2024

5.1%

999K shares

DBD

Diebold Nixdorf, Incorporated

SC 13D · Aug 21, 2023

9.2%

3.5M shares