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GPAT

GP-Act III Acquisition Corp
GPAT

52 hedge funds and large institutions have $306M invested in GP-Act III Acquisition Corp in 2025 Q4 according to their latest regulatory filings, with 2 funds opening new positions, 11 increasing their positions, 12 reducing their positions, and 2 closing their positions.

New
Increased
Maintained
Reduced
Closed

50% more funds holding in top 10

Funds holding in top 10: 2 → 3 (+1)

1.91% more ownership

Funds ownership: 97.54% → 99.45% (+1.9%)

3% more capital invested

Capital invested by funds: $297M → $306M (+$8.45M)

0% more funds holding

Funds holding: 52 → 52 (0)

0% more first-time investments, than exits

New positions opened: 2 | Existing positions closed: 2

8% less repeat investments, than reductions

Existing positions increased: 11 | Existing positions reduced: 12

Holders
52
Holders Change
–
Holders Change %
0%
% of All Funds
0.63%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
2
Increased
11
Reduced
12
Closed
2
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
WCMNY
Westchester Capital Management (New York)
New York
+$2.67M
2
MC
Meteora Capital
Florida
+$1.68M
3
MSU
Mizuho Securities USA
New York
+$1.28M
4
KIM
Karpus Investment Management
New York
+$267K
5
SCM
Shaolin Capital Management
Florida
+$267K

Top Sellers

Rank Fund Capital Flow
1
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
-$4.92M
2
UOC
UBS O'Connor
Illinois
-$1.07M
3
QL
Quarry LP
New York
-$689K
4
WC
Wealthspring Capital
New York
-$145K
5
GCL
Glazer Capital LLC
New York
-$107K
Name Holding Trade Value Shares
Change 		Change in
Stake
KIM
1
Karpus Investment Management
New York
$24.9M +$267K +25,050 +1%
FTCM
2
First Trust Capital Management
Illinois
$22.4M – – –
PMAM
3
Picton Mahoney Asset Management
Ontario, Canada
$20M – – –
AIMCA
4
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$17.4M – – –
AA
5
AQR Arbitrage
Connecticut
$16.9M – – –
D.E. Shaw & Co
6
D.E. Shaw & Co
New York
$15.2M – – –
HIM
7
HGC Investment Management
Ontario, Canada
$14.7M – – –
WCMNY
8
Westchester Capital Management (New York)
New York
$14.6M +$2.67M +250,000 +23%
MI
9
MMCAP International
Cayman Islands
$13.6M – – –
LP
10
LMR Partners
United Kingdom
$13.1M – – –
PAMP
11
Polar Asset Management Partners
Ontario, Canada
$12.6M – – –
WC
12
Wealthspring Capital
New York
$10.9M -$145K -13,581 -1%
WAM
13
Wolverine Asset Management
Illinois
$10.2M -$33.2K -3,117 -0.3%
LA
14
Linden Advisors
New York
$8.53M – – –
TCM
15
Tenor Capital Management
New York
$8.02M – – –
Two Sigma Investments
16
Two Sigma Investments
New York
$6.68M – – –
RCM
17
Radcliffe Capital Management
Pennsylvania
$6.13M +$3.49K +327 +0.1%
LGM
18
L1 Global Manager
$6.07M +$6.05M +567,566 New
AC
19
Aristeia Capital
Connecticut
$5.25M – – –
RCM
20
Rivernorth Capital Management
Florida
$4.49M -$8.75K -821 -0.2%
HCM
21
Heights Capital Management
California
$4.45M -$54.1K -5,079 -1%
COPPSERS
22
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$4.41M – – –
MC
23
Meteora Capital
Florida
$4.37M +$1.68M +157,689 +63%
Toronto Dominion Bank
24
Toronto Dominion Bank
Ontario, Canada
$4.28M -$4.92M -461,649 -54%
PC
25
Periscope Capital
Ontario, Canada
$3.68M – – –
1
2 3

GPAT Hedge Fund Activity: Q4 2025 in Review

52 of the 8,238 institutional investors tracked by Wall St. Rank reported a position in GP-Act III Acquisition Corp (GPAT) for Q4 2025, worth a combined $306M — up 2.8% from $297M a quarter earlier.

Fund positioning in GPAT was balanced in Q4 2025: 2 funds opened new positions, 2 closed out, 11 added to existing stakes and 12 trimmed.

The largest buyer was Westchester Capital Management (New York), adding an estimated $2.67M. The largest seller was Toronto Dominion Bank, cutting an estimated $4.92M.

  • 52 institutional investors held GP-Act III Acquisition Corp (GPAT) as of Q4 2025, unchanged from Q3 2025.
  • Funds reported $306M of GP-Act III Acquisition Corp stock for Q4 2025, up 2.8% quarter-over-quarter.
  • 2 funds opened new GP-Act III Acquisition Corp positions in Q4 2025 and 2 closed out, a net change of 0 holders.
  • The largest GP-Act III Acquisition Corp buyer in Q4 2025 was Westchester Capital Management (New York), an estimated $2.67M added.
  • The largest GP-Act III Acquisition Corp seller in Q4 2025 was Toronto Dominion Bank, an estimated $4.92M sold.

Based on aggregated 13F filings for Q4 2025.