Plum Acquisition Corp, IV (PLMK) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

23,994,929Shares Outstanding

9,486,025Shares held by institutions

$99,508,402Value of institutional holdings

69.40%Institutional ownership %

-2.68%Shares Changed QoQ

43No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Plum Acquisition Corp, IV (NASDAQ:PLMK) is held by 43 institutional firms.

Institutional ownership in Plum Acquisition Corp, IV edged down to 69.4% in December 2025, compared to 72.4% in September 2025.
On a quarter-over-quarter basis, institutional holdings shifted by -2.68%, with a year-over-year an unavailable change in the count of filers.
Among the 43 institutional holders of Plum Acquisition Corp, IV, 11 added to their stakes while 9 trimmed their positions and 23 held steady.
The aggregate institutional position in Plum Acquisition Corp, IV now stands at 16.65Mn shares as of December 2025, after investors decreased their holdings (down by 459.08K shares quarter on quarter which is down N/A shares year over year).
Westchester Capital Management, LLC continues to be the largest institutional holder of Plum Acquisition Corp, IV as of December 31, 2025, with a position of 1.23Mn shares, representing 5.11% of the company's outstanding stock.
Among the most significant buyers of Plum Acquisition Corp, IV during December 2025 were Governors Lane LP (399.90K), D. E. Shaw & Co., Inc. (153.88K), RIVERNORTH CAPITAL MANAGEMENT, LLC (115.83K), METEORA CAPITAL, LLC (100.00K), Crossingbridge Advisors, LLC (25.00K).
Leading sellers of Plum Acquisition Corp, IV stock in December 2025 included Polar Asset Management Partners Inc. (400.00K), Hudson Bay Capital Management LP (337.51K), HEIGHTS CAPITAL MANAGEMENT, INC (250.00K), WOLVERINE ASSET MANAGEMENT LLC (138.12K), COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS (112.49K).
The top 10 institutional holders of Plum Acquisition Corp, IV for the quarter ending December 2025 included Westchester Capital Management, LLC (1.23Mn), AQR Arbitrage LLC (960.43K), D. E. Shaw & Co., Inc. (853.88K), GLAZER CAPITAL, LLC (783.34K), BERKLEY W R CORP (768.89K), LINDEN ADVISORS LP (700.00K), Governors Lane LP (700.00K), Context Capital Management, LLC (700.00K), TENOR CAPITAL MANAGEMENT Co., L.P. (700.00K), Karpus Management, Inc. (672.20K).

43 Institutional Holders

9,486,025 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Westchester Capital Management, LLC	31 Dec, 2025	1,225,000	0	0.00%	$12,776,750.00
AQR Arbitrage LLC	31 Dec, 2025	960,428	0	0.00%	$10,017,264.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	853,875	153,875	21.98%	$8,905,916.00
GLAZER CAPITAL, LLC	31 Dec, 2025	783,339	13,107	1.70%	$8,170.00
BERKLEY W R CORP	31 Dec, 2025	768,888	0	0.00%	$8,019,502.00
LINDEN ADVISORS LP	31 Dec, 2025	700,000	0	0.00%	$7,301,000.00
Governors Lane LP	31 Dec, 2025	700,000	399,900	133.26%	$7,315,000.00
Context Capital Management, LLC	31 Dec, 2025	700,000	0	0.00%	$7,322,000.00
TENOR CAPITAL MANAGEMENT Co., L.P.	31 Dec, 2025	700,000	0	0.00%	$7,322,000.00
Karpus Management, Inc.	31 Dec, 2025	672,200	-5,500	-0.81%	$7,011,046.00
ARISTEIA CAPITAL, L.L.C.	31 Dec, 2025	651,175	0	0.00%	$6,811,291.00
First Trust Capital Management L.P.	31 Dec, 2025	650,000	0	0.00%	$6,799,000.00
Hudson Bay Capital Management LP	31 Dec, 2025	512,489	-337,511	-39.71%	$5,345,260.00
WOLVERINE ASSET MANAGEMENT LLC	31 Dec, 2025	505,754	-138,115	-21.45%	$5,275,014.00
Magnetar Financial LLC	31 Dec, 2025	500,000	0	0.00%	$5,215,000.00
LMR Partners LLP	31 Dec, 2025	500,000	0	0.00%	$5,230,000.00
Alberta Investment Management Corp	31 Dec, 2025	500,000	0	0.00%	$5,215,000.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	498,437	0	0.00%	$5,198,698.00
Radcliffe Capital Management, L.P.	31 Dec, 2025	449,055	23,725	5.58%	$4,692,625.00
PERISCOPE CAPITAL INC.	31 Dec, 2025	415,959	-29,541	-6.63%	$4,346,772.00

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