13F

Stock

Gp-Act Iii Acquisition Corp

Ticker not mapped · held by 52 managers

Reported value

$284.8M

Holders

52

+4 new · −4 exited

Holders’ est. mark

$3.54M

Price effect on 46 books still in the name

Largest holder

$24.2M

Karpus Management, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Karpus Management, Inc.2.23M$24.2M$334.5KCut−$752.1K
First Trust Capital Management L.P.2.09M$22.7M$313.7KAdded$313.7K
Alberta Investment Management Corp1.63M$17.6M$227.5KAdded$227.5K
AQR Arbitrage LLC1.58M$17.1M$220.7KAdded$228.1K
D. E. Shaw & Co., Inc.1.42M$15.4M$199.2KAdded$199.2K
PICTON MAHONEY ASSET MANAGEMENT1.38M$14.9M$206.3KCut−$5.14M
MMCAP International Inc. SPC1.27M$13.8M$191.3KAdded$191.3K
LMR Partners LLP1.23M$13.3M$183.8KAdded$183.8K
Polar Asset Management Partners Inc.1.17M$12.7M$176.3KAdded$176.3K
Wealthspring Capital LLC1.01M$10.9M$151KAdded$29.8K
Westchester Capital Management, LLC860.9K$9.33M$120.5KCut−$5.23M
BERKLEY W R CORP846.8K$9.18M$46.8KAdded$5.84M
Linden Advisors LP797.6K$8.65M$111.7KAdded$111.7K
TENOR CAPITAL MANAGEMENT Co., L.P.750K$8.13M$112.5KAdded$112.5K
WOLVERINE ASSET MANAGEMENT LLC745.4K$8.08M$111.8KCut−$2.09M
TORONTO DOMINION BANK635.5K$6.89M$60KAdded$2.61M
TWO SIGMA INVESTMENTS, LP625K$6.78M$93.8KAdded$93.8K
Radcliffe Capital Management, L.P.623.3K$6.76M$86KAdded$628.5K
L1 Global Manager Pty Ltd567.6K$6.15M$85.1KAdded$85.1K
JPMORGAN CHASE & CO549.9K$5.95M$5.98KAdded$5.42M
ARISTEIA CAPITAL, L.L.C.490.8K$5.32M$73.6KAdded$73.6K
HIGHBRIDGE CAPITAL MANAGEMENT LLC452.1K$4.89MNew
HEIGHTS CAPITAL MANAGEMENT, INC388.7K$4.21M$54.4KCut−$238.5K
RIVERNORTH CAPITAL MANAGEMENT, LLC360K$3.9M$54KCut−$588.4K
METEORA CAPITAL, LLC343.7K$3.73M$51.6KCut−$643.3K
DEUTSCHE BANK AG\290K$3.14M$43.5KAdded$43.5K
O'Connor Alternative Investments LLC250K$2.71MHeld
Periscope Capital Inc.250K$2.71M$37.5KCut−$967.4K
Jain Global LLC250K$2.71M$35KAdded$34.8K
Verition Fund Management LLC227.6K$2.47M$31.9KAdded$15.4K
SONA ASSET MANAGEMENT (US) LLC200K$2.17MNew
MOORE CAPITAL MANAGEMENT, LP200K$2.17M$30KAdded$30K
GOLDMAN SACHS GROUP INC137.7K$1.49M$20.7KAdded$20.7K
PNC Financial Services Group, Inc.80K$867.2K$12KAdded$12K
Lineage Point Capital LP65K$704.6K$9.75KAdded$9.75K
MIZUHO SECURITIES USA LLC60.1K$649.1K$13.5KCut−$2.73M
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS53.9K$584.3K$8.09KCut−$3.82M
Dakota Wealth Management46.4K$503K$6.96KCut−$14.4K
ROBINSON CAPITAL MANAGEMENT, LLC22.3K$240.1K$2KAdded$2K
Wellspring Financial Advisors, LLC21.2K$229.8K$3.18KAdded$3.18K
Citadel17.2K$186.1K$2.09KAdded$26.6K
Cannon Global Investment Management, LLC16.7K$181K$2.18KAdded$26K
TrueMark Investments, LLC16K$173.6K$2.24KAdded$2.24K
GEODE CAPITAL MANAGEMENT, LLC11.4K$123.5KNew
Clear Street Group Inc.10.3K$111.9K$1.55KAdded$1.55K
LONGFELLOW INVESTMENT MANAGEMENT CO LLC7.8K$84.6K$1.17KAdded$1.17K
ROYAL BANK OF CANADA900$10KNew
Glazer Capital, LLC236.2K$2.56K$35Cut−$113
UBS Group AG186$2.02K$28Cut−$21.8K
MORGAN STANLEY64$694$9Cut−$151
Kepos Capital LP42.5K$461$7Added$7
HGC Investment Management Inc.0$0Cut−$14.7M

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.