GP-Act III Acquisition Corp. (GPAT) Institutional Ownership

Institutions by Trading Activity

35,937,500Shares Outstanding

30,529,719Shares held by institutions

$330,331,560Value of institutional holdings

84.95%Institutional ownership %

-3.58%Shares Changed QoQ

52No. of institutional investors

GP-Act III Acquisition Corp. (NASDAQ:GPAT) appears in 52 institutional 13F filings for the quarter ending December 2025.

These investors collectively held 84.6% of GP-Act III Acquisition's outstanding shares in December 2025, down from 88.3% in September 2025.
They decreased total shares held in GP-Act III Acquisition by -4.01% from last quarter, and the number of investors in GPAT increased 20.93% annually.
Of these 52 funds, 12 grew their exposure to GP-Act III Acquisition, 14 cut back, and 26 maintained positions.
Institutional investors collectively held 30.39Mn shares in GP-Act III Acquisition as of December 2025, down by 1.27Mn shares quarter on quarter, and down 4.54Mn shares year over year.
Cannon Global Investment Management, LLC holds the largest position in GPAT at 16.7K shares as of December 31, 2025, or 0.05% of shares outstanding.
The biggest buyers of GP-Act III Acquisition for the quarter ending December 2025 included Cannon Global Investment Management, LLC (2.2K).
Per Business Quant, the top 2 investors in GPAT for the quarter ending December 2025 include Cannon Global Investment Management, LLC (16.7K), TrueMark Investments, LLC (16.02K).

30,529,719 Total Shares Held

Rows:

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Alberta Investment Management Corp	31 Dec, 2025	3,250,000	0	0.00%	$34,775,000.00
Karpus Management, Inc.	31 Dec, 2025	2,331,866	25,050	1.09%	$24,927,648.00
First Trust Capital Management L.P.	31 Dec, 2025	2,091,077	0	0.00%	$22,353,613.00
PICTON MAHONEY ASSET MANAGEMENT	31 Dec, 2025	1,875,000	0	0.00%	$20,043,750.00
AQR Arbitrage LLC	31 Dec, 2025	1,576,119	0	0.00%	$16,864,473.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,423,125	0	0.00%	$15,227,437.00
HGC Investment Management Inc.	31 Dec, 2025	1,375,000	0	0.00%	$14,698,750.00
Westchester Capital Management, LLC	31 Dec, 2025	1,360,852	250,000	22.51%	$14,561,117.00
MMCAP International Inc. SPC	31 Dec, 2025	1,275,000	0	0.00%	$13,629,750.00
LMR Partners LLP	31 Dec, 2025	1,225,000	0	0.00%	$13,095,250.00
Polar Asset Management Partners Inc.	31 Dec, 2025	1,174,996	-1,174,996	-50.00%	$12,560,707.00
Wealthspring Capital LLC	31 Dec, 2025	1,018,282	-13,581	-1.32%	$10,885,435.00
WOLVERINE ASSET MANAGEMENT LLC	31 Dec, 2025	951,749	-3,117	-0.33%	$10,174,197.00
LINDEN ADVISORS LP	31 Dec, 2025	797,584	0	0.00%	$8,534,149.00
TENOR CAPITAL MANAGEMENT Co., L.P.	31 Dec, 2025	750,000	0	0.00%	$8,017,500.00
TWO SIGMA INVESTMENTS, LP	31 Dec, 2025	625,000	0	0.00%	$6,681,250.00
Radcliffe Capital Management, L.P.	31 Dec, 2025	573,222	327	0.06%	$6,127,743.00
L1 Global Manager Pty Ltd	31 Dec, 2025	567,566	567,566	0.00%	$6,067,281.00
ARISTEIA CAPITAL, L.L.C.	31 Dec, 2025	490,750	0	0.00%	$5,246,118.00
RIVERNORTH CAPITAL MANAGEMENT, LLC	31 Dec, 2025	420,111	-821	-0.20%	$4,490,986.00

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