GPAT

GP-Act III Acquisition Corp

51 hedge funds and large institutions have $294M invested in GP-Act III Acquisition Corp in 2025 Q3 according to their latest regulatory filings, with 6 funds opening new positions, 8 increasing their positions, 12 reducing their positions, and 3 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding

Funds holding:

less capital invested

Capital invested by funds: $ → $

less ownership

Funds ownership:

33% less funds holding in top 10

Funds holding in top 10: 32 (-1)

33% less repeat investments, than reductions

Existing positions increased: 8 | Existing positions reduced: 12

Holders
51
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$39K
Puts
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
KIM
1
Karpus Investment Management
New York
$24.5M
FTCM
2
First Trust Capital Management
Illinois
$22.2M
PMAM
3
Picton Mahoney Asset Management
Ontario, Canada
$19.9M
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$17.2M
AA
5
AQR Arbitrage
Connecticut
$16.7M
D.E. Shaw & Co
6
D.E. Shaw & Co
New York
$15.1M
HIM
7
HGC Investment Management
Ontario, Canada
$14.6M
MI
8
MMCAP International
Cayman Islands
$13.5M
LP
9
LMR Partners
United Kingdom
$13M
PAMP
10
Polar Asset Management Partners
Ontario, Canada
$12.5M
WCMNY
11
Westchester Capital Management (New York)
New York
$11.8M
WC
12
Wealthspring Capital
New York
$10.9M
WAM
13
Wolverine Asset Management
Illinois
$10.1M
Toronto Dominion Bank
14
Toronto Dominion Bank
Ontario, Canada
$9.13M
LA
15
Linden Advisors
New York
$8.45M
TCM
16
Tenor Capital Management
New York
$7.95M
Two Sigma Investments
17
Two Sigma Investments
New York
$6.63M
RCM
18
Radcliffe Capital Management
Pennsylvania
$6.07M
AC
19
Aristeia Capital
Connecticut
$5.2M
HCM
20
Heights Capital Management
California
$4.46M
RCM
21
Rivernorth Capital Management
Florida
$4.46M
COPPSERS
22
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.37M
PC
23
Periscope Capital
Ontario, Canada
$3.65M
WRBC
24
W.R. Berkley Corp
Connecticut
$3.16M
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
25
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.14M