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MAGNETAR FINANCIAL LLC

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

Total Filings

243

Stocks Covered

145

Latest Filing

Nov 13, 2025

Filings

Aldel Financial II Inc.

SC 13G · Jan 29, 2025

6.4%

1.9M shares

N/A

WHEELER REAL ESTATE INVESTMENT TRUST, INC.

SC 13G/A · Nov 14, 2024

9.8%

68K shares

N/A

Voyager Acquisition Corp.

SC 13G · Nov 6, 2024

6.8%

2.2M shares

HCM II Acquisition Corp.

SC 13G · Nov 6, 2024

8.5%

2.0M shares

EQV Ventures Acquisition Corp.

SC 13G · Nov 6, 2024

9.6%

3.4M shares

Oklo Inc.

SC 13G/A · Nov 6, 2024

0.0%

0 shares

Hennessy Capital Investment Corp. VI

SC 13G/A · Nov 6, 2024

0.0%

0 shares

Lionheart Holdings

SC 13G · Nov 6, 2024

8.5%

2.0M shares

SIM Acquisition Corp. I

SC 13G · Nov 6, 2024

8.5%

2.0M shares

Vine Hill Capital Investment Corp.

SC 13G · Nov 6, 2024

8.2%

1.8M shares

M3-Brigade Acquisition V Corp.

SC 13G · Nov 6, 2024

8.5%

2.5M shares

Launch One Acquisition Corp.

SC 13G · Nov 6, 2024

8.5%

2.0M shares

Centurion Acquisition Corp.

SC 13G · Nov 6, 2024

6.5%

1.9M shares

Churchill Capital Corp IX

SC 13G · Nov 6, 2024

8.3%

2.5M shares

Andretti Acquisition Corp II

SC 13G · Nov 6, 2024

5.9%

1.4M shares

Churchill Capital Corp VII

SC 13G/A · Sep 3, 2024

0.0%

0 shares

N/A

APPGATE INC.

SC 13D/A · Jul 3, 2024

0.0%

0 shares

N/A

APPGATE INC.

SC 13D/A · May 7, 2024

31.0%

59.3M shares

N/A

APPGATE INC.

SC 13D/A · Apr 25, 2024

29.6%

55.6M shares

Great Ajax Corp.

SC 13G/A · Mar 12, 2024

21.0%

7.8M shares

N/A

APPGATE INC.

SC 13D · Feb 14, 2024

27.9%

50.9M shares

WHEELER REAL ESTATE INVESTMENT TRUST, INC.

SC 13G/A · Feb 14, 2024

9.8%

5.8M shares

AltC Acquisition Corp.

SC 13G/A · Jan 31, 2024

5.4%

1.7M shares

Brooge Energy Limited

SC 13G · Jan 31, 2024

6.5%

7.1M shares

NORTHERN STAR INVESTMENT CORP. III

SC 13G/A · Jan 31, 2024

3.0%

400K shares

N/A

Hennessy Capital Investment Corp. VI

SC 13G/A · Jan 31, 2024

9.6%

2.5M shares

Bark, Inc.

SC 13G/A · Jan 31, 2024

3.6%

6.6M shares

NORTHERN STAR INVESTMENT CORP. IV

SC 13G/A · Jan 31, 2024

2.9%

400K shares

TRISTAR ACQUISITION I CORP.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

CLEAN ENERGY SPECIAL SITUATIONS CORP.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

ROSS ACQUISITION CORP II

SC 13G/A · Jan 26, 2024

0.0%

0 shares

AERIES TECHNOLOGY, INC.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

VOLATO GROUP, INC.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

ENPHYS ACQUISITION CORP.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

IX ACQUISITION CORP.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

INTERPRIVATE III FINANCIAL PARTNERS INC.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

COLISEUM ACQUISITION CORP.

SC 13G/A · Jan 26, 2024

0.0%

0 shares

NEWBURY STREET ACQUISITION CORP

SC 13G/A · Jan 26, 2024

0.0%

0 shares

ZURA BIO LIMITED

SC 13G/A · Jan 25, 2024

0.0%

0 shares

INTEGRAL ACQUISITION CORP 1

SC 13G/A · Jan 25, 2024

0.0%

0 shares

HEALTHWELL ACQUISITION CORP. I

SC 13G/A · Jan 25, 2024

0.0%

0 shares

COMPASS DIGITAL ACQUISITION CORP.

SC 13G/A · Jan 25, 2024

0.0%

0 shares

GOLDEN ARROW MERGER CORP

SC 13G/A · Jan 25, 2024

0.0%

0 shares

CHURCHILL CAPITAL CORP VI

SC 13G/A · Jan 25, 2024

0.0%

0 shares

ALPHA PARTNERS TECHNOLOGY MERGER CORP

SC 13G/A · Jan 25, 2024

0.0%

0 shares

AIRSHIP AI HOLDINGS, INC.

SC 13G/A · Jan 25, 2024

0.0%

0 shares

ARMADA ACQUISITION CORP I.

SC 13G/A · Jan 25, 2024

0.0%

0 shares

CONCORD ACQUISITION CORP II

SC 13G/A · Jan 25, 2024

0.0%

0 shares

WHEELER REAL ESTATE INVESTMENT TRUST, INC.

SC 13G/A · Nov 13, 2023

9.8%

1.9M shares

Churchill Capital Corp V

SC 13G/A · Oct 31, 2023

0.0%

0 shares