MMCAP International Inc. SPC

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

Total Filings

207

Stocks Covered

Latest Filing

Mar 3, 2026

Filings

N/A

MOZAYYX Acquisition Corp.

SC 13G · Mar 3, 2026

5.4%

1.8M shares

SUIG

SUI Group Holdings Ltd.

SC 13G/A · Feb 13, 2026

7.4%

6.1M shares

ASST

Strive, Inc.

SC 13G/A · Feb 13, 2026

3.1%

19.0M shares

CCXIU

Churchill Capital Corp XI

SC 13G/A · Feb 13, 2026

5.8%

2.7M shares

NOEM

CO2 Energy Transition Corp.

SC 13G/A · Feb 13, 2026

6.3%

590K shares

NPAC

New Providence Acquisition Corp. III

SC 13G/A · Feb 13, 2026

7.1%

2.2M shares

MBAV

M3-Brigade Acquisition V Corp.

SC 13G/A · Feb 13, 2026

1.4%

400K shares

URG

UR-ENERGY INC

SC 13G/A · Feb 13, 2026

5.1%

20.2M shares

RDAG

Republic Digital Acquisition Co

SC 13G/A · Feb 13, 2026

5.2%

1.6M shares

IRHOU

Iron Horse Acquisition II Corp.

SC 13G/A · Feb 13, 2026

5.7%

1.5M shares

IPCX

Inflection Point Acquisition Corp. III

SC 13G/A · Feb 13, 2026

5.4%

1.4M shares

LPAA

Launch One Acquisition Corp.

SC 13G/A · Feb 13, 2026

6.4%

1.5M shares

FERA

Fifth Era Acquisition Corp I

SC 13G/A · Feb 13, 2026

8.1%

1.9M shares

UPXI

UPEXI, INC.

SC 13G/A · Feb 13, 2026

10.0%

6.3M shares

FERA

Fifth Era Acquisition Corp I

SC 13G/A · Feb 13, 2026

8.1%

1.9M shares

ZONE

CleanCore Solutions, Inc.

SC 13G/A · Feb 13, 2026

9.1%

18.4M shares

RENE

Cartesian Growth Corporation II

SC 13G/A · Feb 13, 2026

9.1%

800K shares

ADACU

American Drive Acquisition Co

SC 13G/A · Feb 13, 2026

4.4%

1.0M shares

N/A

United Acquisition Corp. I

SC 13G · Feb 5, 2026

7.7%

1.1M shares

CRDL

Cardiol Therapeutics Inc.

SC 13G · Jan 30, 2026

14.9%

17.5M shares

ADACU

American Drive Acquisition Co

SC 13G · Dec 22, 2025

5.0%

1.0M shares

CCXIU

Churchill Capital Corp XI

SC 13G · Dec 19, 2025

5.8%

2.7M shares

IRHOU

Iron Horse Acquisition II Corp.

SC 13G · Dec 19, 2025

5.9%

1.5M shares

URG

UR-ENERGY INC

SC 13G · Dec 17, 2025

5.4%

21.5M shares

ASTL

Algoma Steel Group Inc.

SC 13G/A · Nov 20, 2025

10.0%

10.5M shares

ZONE

CleanCore Solutions, Inc.

SC 13G · Nov 18, 2025

5.5%

12.2M shares

ASTL

Algoma Steel Group Inc.

SC 13G/A · Nov 14, 2025

7.7%

8.1M shares

N/A

Western Uranium & Vanadium Corp.

SC 13G/A · Nov 14, 2025

8.8%

6.0M shares

ARMN

Aris Mining Corporation

SC 13G/A · Nov 14, 2025

8.1%

16.4M shares

enCore Energy Corp.

SC 13G/A · Nov 14, 2025

8.3%

16.6M shares

RENE

Cartesian Growth Corporation II

SC 13G · Nov 6, 2025

6.2%

800K shares

ASST

Strive, Inc.

SC 13G · Oct 15, 2025

9.7%

37.0M shares

POET

POET Technologies Inc.

SC 13G/A · Oct 10, 2025

10.0%

11.2M shares

POET

POET Technologies Inc.

SC 13G/A · Oct 9, 2025

10.0%

9.8M shares

POET

POET Technologies Inc.

SC 13G/A · Oct 9, 2025

16.2%

17.0M shares

SUIG

Sui Group Holdings Ltd.

SC 13G · Oct 1, 2025

5.2%

4.3M shares

N/A

Western Uranium & Vanadium Corp.

SC 13G/A · Aug 14, 2025

9.6%

6.1M shares

ARMN

Aris Mining Corporation

SC 13G/A · Aug 14, 2025

8.6%

16.6M shares

POET

POET Technologies Inc.

SC 13G/A · Aug 14, 2025

10.0%

8.8M shares

ASTL

Algoma Steel Group Inc.

SC 13G/A · Aug 14, 2025

6.9%

7.2M shares

enCore Energy Corp.

SC 13G/A · Aug 14, 2025

5.9%

11.4M shares

CEPO

Cantor Equity Partners I, Inc.

SC 13G/A · Aug 13, 2025

3.9%

798K shares

SIMA

SIM Acquisition Corp. I

SC 13G/A · Aug 12, 2025

4.3%

980K shares

CUB

Lionheart Holdings

SC 13G/A · Aug 12, 2025

4.3%

980K shares

XXI

Cantor Equity Partners, Inc.

SC 13G/A · Aug 12, 2025

0.0%

0 shares

NPAC

New Providence Acquisition Corp. III/Cayman

SC 13G/A · Aug 12, 2025

7.1%

2.2M shares

GPAT

GP-Act III Acquisition Corp.

SC 13G/A · Aug 12, 2025

4.4%

1.3M shares

RDAG

Republic Digital Acquisition Company

SC 13G/A · Aug 12, 2025

5.2%

1.6M shares

LPAA

Launch One Acquisition Corp.

SC 13G/A · Aug 12, 2025

6.4%

1.5M shares

URG

UR-Energy Inc.

SC 13G/A · Aug 12, 2025

3.5%

13.1M shares