W. R. Berkley Corporation

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

Total Filings

Stocks Covered

Latest Filing

Feb 11, 2026

Filings

ASPC

A SPAC III ACQUISITION CORP.

SC 13G/A · Feb 11, 2026

0.0%

0 shares

RFAI

RF ACQUISITION CORP II

SC 13G/A · Feb 11, 2026

3.6%

298K shares

YHNA

YHN Acquisition I Limited

SC 13G/A · Feb 11, 2026

7.8%

336K shares

OAKU

OAK WOODS ACQUISITION CORPORATION

SC 13G/A · Feb 11, 2026

9.2%

151K shares

RRAC

Rigel Resource Acquisition Corp

SC 13G/A · Feb 11, 2026

0.0%

0 shares

SBXD

SILVERBOX CORP IV

SC 13G · Feb 11, 2026

5.9%

1.2M shares

NETD

NABORS ENERGY TRANSITION CORP. II

SC 13G/A · Feb 11, 2026

0.0%

0 shares

MACI

Melar Acquisition Corp. I

SC 13G · Feb 11, 2026

5.4%

868K shares

LPAA

Launch One Acquisition Corp.

SC 13G · Feb 11, 2026

6.2%

1.4M shares

KCHV

Kochav Defense Acquisition Corp.

SC 13G/A · Feb 11, 2026

6.5%

1.7M shares

HYAC

HAYMAKER ACQUISITION CORP. 4

SC 13G/A · Feb 11, 2026

8.4%

2.0M shares

GIW

GigCapital8 Corp.

SC 13G · Feb 11, 2026

5.0%

1.3M shares

FTW

EQV Ventures Acquisition Corp.

SC 13G · Feb 11, 2026

7.2%

2.6M shares

DTSQ

DT Cloud Star Acquisition Corporation

SC 13G/A · Feb 11, 2026

3.7%

133K shares

BAYA

BAYVIEW ACQUISITION CORP

SC 13G/A · Feb 10, 2026

5.4%

149K shares

ANSC

Agriculture & Natural Solutions Acquisition Corporation

SC 13G · Feb 10, 2026

7.7%

2.5M shares

VACH

Voyager Acquisition Corp.

SC 13G · Feb 10, 2026

7.1%

1.8M shares

BAYA

BAYVIEW ACQUISITION CORP

SC 13G/A · Nov 10, 2025

8.6%

298K shares

SPKL

SPARK I ACQUISITION CORPORATION

SC 13G/A · Nov 10, 2025

0.0%

0 shares

RFAI

RF ACQUISITION CORP II

SC 13G/A · Nov 10, 2025

6.2%

938K shares

ASPC

A SPAC III ACQUISITION CORP.

SC 13G/A · Nov 10, 2025

9.4%

615K shares

BKHA

Black Hawk Acquisition Corporation

SC 13G/A · Nov 10, 2025

7.4%

309K shares

KVAC

KEEN VISION ACQUISITION CORPORATION

SC 13G/A · Nov 10, 2025

7.7%

714K shares

GDST

GOLDENSTONE ACQUISITION LIMITED

SC 13G · Nov 10, 2025

7.4%

169K shares

DYCQ

DT Cloud Acquisition Corporation

SC 13G/A · Nov 10, 2025

0.0%

0 shares

HYAC

HAYMAKER ACQUISITION CORP. 4

SC 13G · Nov 10, 2025

7.2%

1.7M shares

COLA

Columbus Acquisition Corp

SC 13G · Nov 10, 2025

5.1%

405K shares

NETD

NABORS ENERGY TRANSITION CORP. II

SC 13G/A · Nov 10, 2025

9.9%

1.4M shares

DTSQ

DT Cloud Star Acquisition Corporation

SC 13G · Nov 10, 2025

7.6%

674K shares

BSAA

BEST SPAC I ACQUISITION CORP.

SC 13G · Nov 10, 2025

5.0%

299K shares

EURK

Eureka Acquisition Corp

SC 13G · Nov 10, 2025

9.0%

306K shares

IPEX

MAYWOOD ACQUISITION CORP.

SC 13G · Nov 10, 2025

8.5%

758K shares

KCHV

Kochav Defense Acquisition Corp.

SC 13G · Nov 10, 2025

5.6%

1.5M shares

RRAC

Rigel Resource Acquisition Corp

SC 13G · Nov 10, 2025

6.5%

99K shares

CHAR

Charlton Aria Acquisition Corporation

SC 13G · Nov 10, 2025

8.3%

735K shares

KVAC

Keen Vision Acquisition Corporation

SC 13G/A · Aug 8, 2025

9.7%

1.0M shares

MCAA

MOUNTAIN & CO. I ACQUISITION CORP.

SC 13G/A · Aug 8, 2025

0.0%

0 shares

YHNA

YHN Acquisition I Limited

SC 13G/A · Aug 8, 2025

8.7%

674K shares

BKHA

Black Hawk Acquisition Corporation

SC 13G · Aug 8, 2025

5.2%

462K shares

SPKL

Spark I Acquisition Corporation

SC 13G · Aug 8, 2025

9.8%

983K shares

MSSA

METAL SKY STAR ACQUISITION CORPORATION

SC 13G/A · Aug 8, 2025

0.0%

0 shares

COPL

Copley Acquisition Corp

SC 13G · Aug 8, 2025

5.2%

928K shares

DYCQ

DT Cloud Acquisition Corporation

SC 13G · Aug 8, 2025

5.1%

149K shares

KDK

Ares Acquisition Corporation II

SC 13G · Aug 8, 2025

5.7%

3.5M shares

AFJK

Aimei Health Technology Co., Ltd

SC 13G/A · Aug 8, 2025

6.9%

425K shares

ASPC

A SPAC III Acquisition Corp.

SC 13G · Aug 8, 2025

7.9%

516K shares

AAM

AA Mission Acquisition Corp.

SC 13G · Aug 8, 2025

9.1%

3.2M shares

PHYT

PYROPHYTE ACQUISITION CORP.

SC 13G/A · Aug 8, 2025

1.5%

100K shares

RFAI

RF Acquisition Corp II

SC 13G · Aug 8, 2025

5.0%

755K shares

RENE

Cartesian Growth Corporation II

SC 13G · Aug 8, 2025

8.3%

1.1M shares