Plum Acquisition Corp, IV (PLMK) Institutional Ownership

Ownership Summary

Plum Acquisition Corp, IV (NASDAQ:PLMK) has 44 institutional investors with active 13F positions as of December 2025.

• Their combined ownership stood at 70.9% of outstanding shares in December 2025, down from 73.3% in June 2025.
• They decreased total shares held in Plum Acquisition Corp, IV by -8.15% from last quarter, and the number of investors in PLMK stayed flat annually.
• Of these 44 holders, 12 added to their stakes in Plum Acquisition Corp, IV, 9 trimmed positions, and 23 made no changes.
• Altogether, these fund groups held 17.19Mn shares in PLMK by December 2025, down by 1.53Mn shares quarter on quarter, and with no net change year over year.
• Westchester Capital Management, LLC leads ownership in PLMK with 1.22Mn shares as of December 31, 2025, equal to 5.05% of outstanding shares.
• The largest buyers of Plum Acquisition Corp, IV for the quarter ending December 2025 were Governors Lane LP (399.9K), Goldman Sachs Group Inc (339.61K), D. E. Shaw & Co., Inc. (153.88K), RIVERNORTH CAPITAL MANAGEMENT, LLC (115.83K), METEORA CAPITAL, LLC (100.0K).
• The largest sellers of Plum Acquisition Corp, IV for the quarter ending December 2025 were Hudson Bay Capital Management LP (1.19Mn), HEIGHTS CAPITAL MANAGEMENT, INC (500.0K), Polar Asset Management Partners Inc. (400.0K), WOLVERINE ASSET MANAGEMENT LLC (138.12K), COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS (112.49K).
• According to Business Quant data, leading holders of PLMK for December 2025 are Westchester Capital Management, LLC (1.22Mn), Alberta Investment Management Corp (1.0Mn), AQR Arbitrage LLC (960.43K), D. E. Shaw & Co., Inc. (853.88K), GLAZER CAPITAL, LLC (783.34K), Berkley W R Corp (768.89K), Context Capital Management, LLC (700.0K), LINDEN ADVISORS LP (700.0K), TENOR CAPITAL MANAGEMENT Co., L.P. (700.0K), Governors Lane LP (700.0K).