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GPAT

GP-Act III Acquisition Corp
GPAT

51 hedge funds and large institutions have $288M invested in GP-Act III Acquisition Corp in 2026 Q1 according to their latest regulatory filings, with 5 funds opening new positions, 7 increasing their positions, 17 reducing their positions, and 5 closing their positions.

New
Increased
Maintained
Reduced
Closed

0% more first-time investments, than exits

New positions opened: 5 | Existing positions closed: 5

2% less funds holding

Funds holding: 52 → 51 (-1)

6% less capital invested

Capital invested by funds: $306M → $288M (-$17.9M)

7.09% less ownership

Funds ownership: 99.45% → 92.36% (-7.1%)

33% less funds holding in top 10

Funds holding in top 10: 3 → 2 (-1)

59% less repeat investments, than reductions

Existing positions increased: 7 | Existing positions reduced: 17

Holders
51
Holders Change
-1
Holders Change %
-1.92%
% of All Funds
0.62%
Holding in Top 10
2
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-33.33%
% of All Funds
0.02%
New
5
Increased
7
Reduced
17
Closed
5
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

Rank Fund Capital Flow
1
WRBC
W.R. Berkley Corp
Connecticut
+$5.75M
2
JP Morgan Chase
JP Morgan Chase
New York
+$5.38M
3
HCM
Highbridge Capital Management
New York
+$4.87M
4
Toronto Dominion Bank
Toronto Dominion Bank
Ontario, Canada
+$2.53M
5
SAMU
SONA Asset Management (US)
New York
+$2.15M

Top Sellers

Rank Fund Capital Flow
1
HIM
HGC Investment Management
Ontario, Canada
-$14.8M
2
PMAM
Picton Mahoney Asset Management
Ontario, Canada
-$5.38M
3
WCMNY
Westchester Capital Management (New York)
New York
-$5.38M
4
COPPSERS
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
-$3.86M
5
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
-$3.17M

GPAT Hedge Fund Activity: Q1 2026 in Review

51 of the 8,205 institutional investors tracked by Wall St. Rank reported a position in GP-Act III Acquisition Corp (GPAT) for Q1 2026, worth a combined $288M — down 5.8% from $306M a quarter earlier.

Fund positioning in GPAT was balanced in Q1 2026: 5 funds opened new positions, 5 closed out, 7 added to existing stakes and 17 trimmed.

The largest buyer was W.R. Berkley Corp, adding an estimated $5.75M. The largest seller was HGC Investment Management, exiting entirely with an estimated $14.8M sold.

  • 51 institutional investors held GP-Act III Acquisition Corp (GPAT) as of Q1 2026, down from 52 in Q4 2025.
  • Funds reported $288M of GP-Act III Acquisition Corp stock for Q1 2026, down 5.8% quarter-over-quarter.
  • 5 funds opened new GP-Act III Acquisition Corp positions in Q1 2026 and 5 closed out, a net change of 0 holders.
  • The largest GP-Act III Acquisition Corp buyer in Q1 2026 was W.R. Berkley Corp, an estimated $5.75M added.
  • The largest GP-Act III Acquisition Corp seller in Q1 2026 was HGC Investment Management, an estimated $14.8M sold.

Based on aggregated 13F filings for Q1 2026.