Plum Acquisition Corp, IV - Class A ordinary shares, $0.0001 par value per share (PLMK) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2025 to Q3 2025

Type / Class
Equity / Class A ordinary shares, $0.0001 par value per share
Symbol
PLMK on Nasdaq
Shares outstanding
18,504,532
Price per share
$10.37
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares
16,815,053
Total reported value
$173,520,845
% of total 13F portfolios
0%
Share change
+236,170
Value change
+$2,457,035
Number of holders
42
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Plum Acquisition Corp, IV - Class A ordinary shares, $0.0001 par value per share (PLMK) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
PLUM PARTNERS IV, LLC 28% $67,117,400 6,685,000 Plum Partners IV, LLC 16 Jan 2025
Westchester Capital Management, LLC 6.6% $12,580,750 1,225,000 Westchester Capital Management, LLC 30 Jun 2025
AQR CAPITAL MANAGEMENT LLC 5.2% $9,642,697 960,428 AQR Capital Management, LLC 31 Mar 2025
BARCLAYS PLC 3.5% -51% $6,692,794 -$5,113,138 651,050 -43% Barclays PLC 30 Jun 2025

As of 30 Sep 2025, 42 institutional investors reported holding 16,815,053 shares of Plum Acquisition Corp, IV - Class A ordinary shares, $0.0001 par value per share (PLMK). This represents 91% of the company’s total 18,504,532 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of Plum Acquisition Corp, IV - Class A ordinary shares, $0.0001 par value per share (PLMK) together control 80% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
Westchester Capital Management, LLC 6.6% 1,225,000 0% 0.66% $12,654,250
AQR Arbitrage LLC 5.2% 960,428 0% 0.25% $9,921,221
Hudson Bay Capital Management LP 4.6% 850,000 0% 0.05% $8,772,000
GLAZER CAPITAL, LLC 4.2% 770,232 0% 0.27% $7,949,000
BERKLEY W R CORP 4.2% 768,888 0% 0.51% $7,934,924
D. E. Shaw & Co., Inc. 3.8% 700,000 +7.7% 0.01% $7,224,000
TENOR CAPITAL MANAGEMENT Co., L.P. 3.8% 700,000 0% 0.09% $7,224,000
Context Capital Management, LLC 3.8% 700,000 0% 0.34% $7,224,000
Linden Advisors LP 3.8% 700,000 0% 0.05% $7,224,000
Karpus Management, Inc. 3.7% 677,700 -1.1% 0.22% $6,993,864
ARISTEIA CAPITAL, L.L.C. 3.5% 651,175 0% 0.21% $6,720,126
First Trust Capital Management L.P. 3.5% 650,000 0% 0.43% $6,708,000
WOLVERINE ASSET MANAGEMENT LLC 3.5% 643,869 -0.67% 0.1% $6,644,728
Alberta Investment Management Corp 2.7% 500,000 0% 0.05% $5,160,000
Magnetar Financial LLC 2.7% 500,000 0% 0.03% $5,160,000
LMR Partners LLP 2.7% 500,000 0% 0.07% $5,160,000
TWO SIGMA INVESTMENTS, LP 2.7% 498,437 0% 0.01% $5,143,870
Periscope Capital Inc. 2.4% 445,500 +19% 1.1% $4,599,706
Radcliffe Capital Management, L.P. 2.3% 425,330 +37% 0.27% $4,389,406
Polar Asset Management Partners Inc. 2.2% 400,000 0% 0.08% $4,132,000
MIZUHO SECURITIES USA LLC 2% 363,250 -31% 0.08% $3,706,121
GOLDMAN SACHS GROUP INC 1.8% 339,570 0% 0% $3,504,362
Governors Lane LP 1.6% 300,100 +20% 0.43% $3,097,032
RIVERNORTH CAPITAL MANAGEMENT, LLC 1.4% 253,750 0.15% $2,618,700
Verition Fund Management LLC 1.4% 253,164 -0.16% 0.01% $2,612,652

Institutional Holders of Plum Acquisition Corp, IV - Class A ordinary shares, $0.0001 par value per share (PLMK) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q3 16,815,053 $173,520,845 +$2,457,035 $10.32 42
2025 Q2 16,328,883 $167,912,970 +$24,528,337 $10.28 40
2025 Q1 13,612,238 $136,671,841 +$136,671,830 $10.04 34