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GPAT

GP-Act III Acquisition Corp
GPAT

40 hedge funds and large institutions have $270M invested in GP-Act III Acquisition Corp in 2025 Q1 according to their latest regulatory filings, with 2 funds opening new positions, 5 increasing their positions, 9 reducing their positions, and 4 closing their positions.

New
Increased
Maintained
Reduced
Closed

1% more capital invested

Capital invested by funds: $267M → $270M (+$2.74M)

0.53% less ownership

Funds ownership: 91.5% → 90.98% (-0.53%)

5% less funds holding

Funds holding: 42 → 40 (-2)

20% less funds holding in top 10

Funds holding in top 10: 5 → 4 (-1)

44% less repeat investments, than reductions

Existing positions increased: 5 | Existing positions reduced: 9

50% less first-time investments, than exits

New positions opened: 2 | Existing positions closed: 4

Holders
40
Holders Change
-2
Holders Change %
-4.76%
% of All Funds
0.54%
Holding in Top 10
4
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-20%
% of All Funds
0.05%
New
2
Increased
5
Reduced
9
Closed
4
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
WCMNY
Westchester Capital Management (New York)
New York
+$2.57M
2
MSU
Mizuho Securities USA
New York
+$307K
3
WAM
Wolverine Asset Management
Illinois
+$107K
4
GCL
Glazer Capital LLC
New York
+$40.9K
5
UBS Group
UBS Group
Switzerland
+$38.4K

Top Sellers

Rank Fund Capital Flow
1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$1.8M
2
AA
AQR Arbitrage
Connecticut
-$1.02M
3
SIA
Schechter Investment Advisors
Michigan
-$474K
4
KIM
Karpus Investment Management
New York
-$341K
5
FTCM
Fir Tree Capital Management
New York
-$293K
Name Holding Trade Value Shares
Change 		Change in
Stake
KIM
1
Karpus Investment Management
New York
$37.1M -$341K -33,287 -0.9%
FTCM
2
First Trust Capital Management
Illinois
$26.7M – – –
HIM
3
HGC Investment Management
Ontario, Canada
$25.5M – – –
MI
4
MMCAP International
Cayman Islands
$21.4M – – –
PMAM
5
Picton Mahoney Asset Management
Ontario, Canada
$19.3M – – –
PAMP
6
Polar Asset Management Partners
Ontario, Canada
$17.3M – – –
AA
7
AQR Arbitrage
Connecticut
$16.6M -$1.02M -100,000 -6%
D.E. Shaw & Co
8
D.E. Shaw & Co
New York
$12.8M – – –
LP
9
LMR Partners
United Kingdom
$12.6M – – –
WCMNY
10
Westchester Capital Management (New York)
New York
$12M +$2.57M +250,852 +28%
SIA
11
Schechter Investment Advisors
Michigan
$9.19M -$474K -46,292 -5%
Two Sigma Investments
12
Two Sigma Investments
New York
$6.43M – – –
AC
13
Aristeia Capital
Connecticut
$5.15M – – –
HCM
14
Heights Capital Management
California
$4.75M – – –
GAM
15
Gritstone Asset Management
Maryland
$4.53M -$15.3K -1,492 -0.3%
RCM
16
Rivernorth Capital Management
Florida
$4.34M – – –
COPPSERS
17
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.25M – – –
WAM
18
Wolverine Asset Management
Illinois
$3.19M +$107K +10,497 +4%
WRBC
19
W.R. Berkley Corp
Connecticut
$3.07M – – –
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
20
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$3.06M – – –
Deutsche Bank
21
Deutsche Bank
Germany
$2.98M – – –
GCL
22
Glazer Capital LLC
New York
$2.84M +$40.9K +3,992 +1%
PC
23
Periscope Capital
Ontario, Canada
$2.32M – – –
WC
24
Wealthspring Capital
New York
$2.15M -$129K -12,575 -6%
MCM
25
Moore Capital Management
New York
$2.07M – – –
1
2

GPAT Hedge Fund Activity: Q1 2025 in Review

40 of the 7,458 institutional investors tracked by Wall St. Rank reported a position in GP-Act III Acquisition Corp (GPAT) for Q1 2025, worth a combined $270M — up 1% from $267M a quarter earlier.

Sellers outnumbered buyers: 4 funds closed out of GPAT and 2 opened new positions — a net loss of 2 holders — while 9 trimmed existing stakes and 5 added.

The largest buyer was Westchester Capital Management (New York), adding an estimated $2.57M. The largest seller was Toronto Dominion Bank, cutting an estimated $1.8M.

  • 40 institutional investors held GP-Act III Acquisition Corp (GPAT) as of Q1 2025, down from 42 in Q4 2024.
  • Funds reported $270M of GP-Act III Acquisition Corp stock for Q1 2025, up 1% quarter-over-quarter.
  • 2 funds opened new GP-Act III Acquisition Corp positions in Q1 2025 and 4 closed out, a net change of -2 holders.
  • The largest GP-Act III Acquisition Corp buyer in Q1 2025 was Westchester Capital Management (New York), an estimated $2.57M added.
  • The largest GP-Act III Acquisition Corp seller in Q1 2025 was Toronto Dominion Bank, an estimated $1.8M sold.

Based on aggregated 13F filings for Q1 2025.