JO
GPAT

John Overdeck’s GP-Act III Acquisition Corp GPAT Stock Holding History

John Overdeck’s Portfolio GPAT Stock Details GPAT Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		– Sell
-625,000
Closed -$6.78M – 5512
2026
Q1 		$6.78M Hold
625,000
– – 0.01% 1724
2025
Q4 		$6.68M Hold
625,000
– – 0.01% 1441
2025
Q3 		$6.63M Hold
625,000
– – 0.01% 1236
2025
Q2 		$6.59M Hold
625,000
– – 0.01% 1065
2025
Q1 		$6.43M Hold
625,000
– – 0.01% 987
2024
Q4 		$6.34M Hold
625,000
– – 0.01% 963
2024
Q3 		$6.3M Buy
+625,000
New +$6.26M 0.01% 960

Other funds holding GPAT

PAMP
Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return
AA
AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return
MI
MMCAP International Grand Cayman, Cayman Islands $1.18B AUM 50.44% 1-Year Est. Return
AIMCA
Alberta Investment Management Corp (AIMCo) Edmonton, Alberta, Canada $17.9B AUM 27.56% 1-Year Est. Return
MSU
Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return
WRBC
W.R. Berkley Corp Greenwich, Connecticut $2.1B AUM 13.6% 1-Year Est. Return
Verition Fund Management
Verition Fund Management Greenwich, Connecticut $19.7B AUM 39.39% 1-Year Est. Return
HIM
HGC Investment Management Toronto, Ontario, Canada $507M AUM 6.15% 1-Year Est. Return
Toronto Dominion Bank
Toronto Dominion Bank Toronto, Ontario, Ontario, Canada $86.4B AUM 59.51% 1-Year Est. Return
Deutsche Bank
Deutsche Bank Frankfurt Am Main Ge, Germany $344B AUM 42.99% 1-Year Est. Return

John Overdeck's GPAT Position: Q2 2026 in Review

John Overdeck sold out of GP-Act III Acquisition Corp (GPAT) in Q2 2026, closing a stake of 625,000 shares — an estimated $6.78M sold.

John Overdeck first reported a position in GPAT in Q3 2024 and held it in 7 quarters. The position peaked at $6.78M in Q1 2026. 24 funds tracked by Wall St. Rank hold GPAT as of Q2 2026.

  • John Overdeck reported no remaining GP-Act III Acquisition Corp position as of Q2 2026 after selling out during the quarter.
  • John Overdeck sold 625,000 GP-Act III Acquisition Corp shares in Q2 2026, an estimated $6.78M.
  • John Overdeck first reported a position in GP-Act III Acquisition Corp in Q3 2024 and held it in 7 quarters.
  • John Overdeck's GP-Act III Acquisition Corp position peaked at $6.78M in Q1 2026.
  • 24 funds tracked by Wall St. Rank held GP-Act III Acquisition Corp as of Q2 2026.

Based on Two Sigma Investments's 13F filing for Q2 2026, filed 14 Aug 2026.