GP-Act III Acquisition Corp. - Common (GPAT)

CUSIP: G4035N103

Q4 2025 13F Holders as of 31 Dec 2025

Type / Class
Equity / Common
Shares outstanding
28,772,451
Total 13F shares
28,592,186
Share change
-84,172
Total reported value
$305,696,913
Price per share
$10.69
Number of holders
52
Value change
-$905,669
Number of buys
11
Number of sells
14

Security key

G4035N103

Report period

Q4 2025

Institutions

52

Top holders

10

Top shareholders of GPAT - GP-Act III Acquisition Corp. - Common (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.

Methodology: rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Holder Source Role / Reporting Ownership % Shares Holdings Value 12M Net Δ As of Details
GP-Act III Sponsor LLC
13D/G
20%
7,112,500
$73,543,250 $0 14 Nov 2024
HGC Investment Management Inc.
13D/G 13F
Company
8.6%
2,475,000
$25,591,500 $0 31 Dec 2024
METEORA CAPITAL, LLC
13D/G 13F
Company
6.7%
1,926,999
$20,329,839 $0 30 Jun 2025
PICTON MAHONEY ASSET MANAGEMENT
13F 13D/G
Company
6.5%
from 13D/G
2,812,500
mixed-class rows
$20,118,000 30 Sep 2025
Karpus Management, Inc.
13D/G 13F
Company
6.5%
2,339,016
$24,676,619 -$13,740,826 30 Jun 2025
BARCLAYS PLC
13D/G
5.2%
1,485,989
$15,365,126 $0 30 Sep 2024
MMCAP International Inc. SPC
13F 13D/G
Company
4.4%
from 13D/G
2,312,500
mixed-class rows
$13,784,750 30 Sep 2025
Polar Asset Management Partners Inc.
13F 13D/G
Company
4.1%
from 13D/G
2,412,496
mixed-class rows
$12,776,708 30 Sep 2025
First Trust Capital Management L.P.
13F
Company
7.3%
2,091,077
$22,165,416 30 Sep 2025
13F
D. E. Shaw & Co., Inc.
13F
Company
4.9%
1,423,125
$15,085,125 30 Sep 2025
13F
Westchester Capital Management, LLC
13F
Company
3.9%
1,110,852
$11,775,032 30 Sep 2025
13F
WOLVERINE ASSET MANAGEMENT LLC
13F
Company
3.3%
954,866
$10,121,579 30 Sep 2025
13F
TENOR CAPITAL MANAGEMENT Co., L.P.
13F
Company
2.6%
750,000
$7,950,000 30 Sep 2025
13F
TWO SIGMA INVESTMENTS, LP
13F
Company
2.2%
625,000
$6,625,000 30 Sep 2025
13F
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS
13F
Company
1.4%
412,264
$4,369,998 30 Sep 2025
13F
OCONNOR, A Distinct Business Unit of UBS ASSET MANAGEMENT AMERICAS (LLC)
13F
Company
1.2%
350,000
$3,710,000 30 Sep 2025
13F
BERKLEY W R CORP
13F
Company
1%
297,992
$3,158,715 30 Sep 2025
13F
DEUTSCHE BANK AG\
13F
Company
1%
290,000
$3,074,000 30 Sep 2025
13F
GLAZER CAPITAL, LLC
13F
Company
0.9%
260,100
$2,757,000 30 Sep 2025
13F
Jain Global LLC
13F
Company
0.87%
250,000
$2,650,000 30 Sep 2025
13F
MIZUHO SECURITIES USA LLC
13F
Company
0.7%
200,000
$2,100,000 30 Sep 2025
13F
GOLDMAN SACHS GROUP INC
13F
Company
0.48%
137,823
$1,460,924 30 Sep 2025
13F
PNC FINANCIAL SERVICES GROUP, INC.
13F
Company
0.28%
80,000
$848,000 30 Sep 2025
13F
Quarry LP
13F
Company
0.23%
64,977
$688,756 30 Sep 2025
13F
JPMORGAN CHASE & CO
13F
Company
0.17%
49,734
$527,180 30 Sep 2025
13F
Dakota Wealth Management
13F
Company
0.17%
48,400
$513,040 30 Sep 2025
13F
Kepos Capital LP
13F
Company
0.15%
42,500
$451,000 30 Sep 2025
13F
ROBINSON CAPITAL MANAGEMENT, LLC
13F
Company
0.08%
22,250
$235,850 30 Sep 2025
13F
Wellspring Financial Advisors, LLC
13F
Company
0.07%
21,200
$224,720 30 Sep 2025
13F
CITADEL ADVISORS LLC
13F
Company
0.07%
18,766
$198,920 30 Sep 2025
13F
TrueMark Investments, LLC
13F
Company
0.06%
16,838
$178,483 30 Sep 2025
13F
CONDOR CAPITAL MANAGEMENT
13F
Company
0.04%
10,632
$112,699 30 Sep 2025
13F
Cannon Global Investment Management, LLC
13F
Company
0.04%
10,500
$111,300 30 Sep 2025
13F
BANK OF AMERICA CORP /DE/
13F
Company
0.03%
8,000
$84,800 30 Sep 2025
13F
MORGAN STANLEY
13F
Company
0%
56
$594 30 Sep 2025
13F
Alberta Investment Management Corp
13F
Company
mixed-class rows
2,437,500
mixed-class rows
$17,436,250 30 Sep 2025
13F
AQR Arbitrage LLC
13F
Company
mixed-class rows
2,039,292
mixed-class rows
$16,823,117 30 Sep 2025
13F
LMR Partners LLP
13F
Company
mixed-class rows
1,837,500
mixed-class rows
$13,144,250 30 Sep 2025
13F
Wealthspring Capital LLC
13F
Company
mixed-class rows
1,819,852
mixed-class rows
$11,142,625 30 Sep 2025
13F
TORONTO DOMINION BANK
13F
Company
mixed-class rows
1,086,649
mixed-class rows
$9,191,979 30 Sep 2025
13F
LINDEN ADVISORS LP
13F
Company
mixed-class rows
1,157,984
mixed-class rows
$8,549,896 30 Sep 2025
13F
Radcliffe Capital Management, L.P.
13F
Company
mixed-class rows
585,965
mixed-class rows
$6,076,151 30 Sep 2025
13F
ARISTEIA CAPITAL, L.L.C.
13F
Company
mixed-class rows
736,125
mixed-class rows
$5,266,974 30 Sep 2025
13F
RIVERNORTH CAPITAL MANAGEMENT, LLC
13F
Company
mixed-class rows
646,531
mixed-class rows
$4,520,535 30 Sep 2025
13F
HEIGHTS CAPITAL MANAGEMENT, INC
13F
Company
mixed-class rows
516,550
mixed-class rows
$4,489,253 30 Sep 2025
13F
PERISCOPE CAPITAL INC.
13F
Company
mixed-class rows
529,700
mixed-class rows
$3,694,682 30 Sep 2025
13F
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND
13F
Company
mixed-class rows
1,233,438
mixed-class rows
$3,380,693 30 Sep 2025
13F
Verition Fund Management LLC
13F
Company
mixed-class rows
481,334
mixed-class rows
$2,478,779 30 Sep 2025
13F
MOORE CAPITAL MANAGEMENT, LP
13F
Company
mixed-class rows
300,000
mixed-class rows
$2,146,000 30 Sep 2025
13F
Shaolin Capital Management LLC
13F
Company
mixed-class rows
550,057
mixed-class rows
$1,177,015 30 Sep 2025
13F

Institutional Holders of GP-Act III Acquisition Corp. - Common (GPAT) as of Q4 2025

As of 31 Dec 2025, GP-Act III Acquisition Corp. - Common (GPAT) was held by 52 institutional shareholders that filed Form 13F with the SEC. Together, they reported ownership of 28,592,186 shares. The largest 10 holders included Karpus Management, Inc., First Trust Capital Management L.P., PICTON MAHONEY ASSET MANAGEMENT, Alberta Investment Management Corp, AQR Arbitrage LLC, D. E. Shaw & Co., Inc., HGC Investment Management Inc., Westchester Capital Management, LLC, MMCAP International Inc. SPC, and LMR Partners LLP. This page lists 52 institutional shareholders reporting positions in this security for the Q4 2025 filing period.
Investor Option Weight % Change % Value $ * Price Shares Share Change Activity Report Period

Compare Q4 2025 vs Q3 2025 Across Filers

Q3 2025 holders
53
Q4 2025 holders
52
Holder diff
-1
Investor Q3 2025 Shares Q4 2025 Shares Share Diff Share Chg % Q3 2025 Value $ Q4 2025 Value $ Value Diff $ Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Here you can make detailed settings or revoke your consent (in part if necessary) with effect for the future. For further information, please refer to our Privacy Policy .