Gritstone Asset Management’s Centurion Acquisition Corp ALF Stock Holding History

Gritstone Asset Management’s Portfolio ALF Stock Details ALF Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	–	Sell	-290,988	Closed	-$3.13M	–	179
2026 Q1	$3.13M	Hold	290,988	–	–	3.34%	5
2025 Q4	$3.1M	Hold	290,988	–	–	2.96%	6
2025 Q3	$3.07M	Sell	290,988 -3,612	-1%	-$38K	3.16%	7
2025 Q2	$3.1M	Hold	294,600	–	–	3.07%	8
2025 Q1	$3.03M	Sell	294,600 -997	-0.3%	-$10.2K	3.19%	9
2024 Q4	$2.99M	Buy	+295,597	New	+$2.97M	3.16%	12

Other funds holding ALF

Linden Advisors New York $19.3B AUM 1.47% 1-Year Est. Return

AQR Arbitrage Greenwich, Connecticut $7.02B AUM 31.58% 1-Year Est. Return

PAMP

Polar Asset Management Partners Toronto, Ontario, Canada $6.07B AUM 34.81% 1-Year Est. Return

CCM

Context Capital Management Lajolla, California $5.15B AUM 1.28% 1-Year Est. Return

LMR Partners London, United Kingdom $26.8B AUM 68.38% 1-Year Est. Return

Healthcare of Ontario Pension Plan (HOOPP) Trust Fund Toronto, Ontario, Canada $71.2B AUM 48.86% 1-Year Est. Return

MSU

Mizuho Securities USA New York $6.2B AUM 35.46% 1-Year Est. Return

Kepos Capital New York $73.4M AUM 4.78% 1-Year Est. Return

ABC Arbitrage Paris, France $926M AUM 45.9% 1-Year Est. Return

Susquehanna International Group Bala Cynwyd, Pennsylvania $1.28T AUM 58.89% 1-Year Est. Return

Gritstone Asset Management's ALF Position: Q2 2026 in Review

Gritstone Asset Management sold out of Centurion Acquisition Corp (ALF) in Q2 2026, closing a stake of 290,988 shares — an estimated $3.13M sold.

Gritstone Asset Management first reported a position in ALF in Q4 2024 and held it in 6 quarters. The position peaked at $3.13M in Q1 2026. 15 funds tracked by Wall St. Rank hold ALF as of Q2 2026.

Gritstone Asset Management reported no remaining Centurion Acquisition Corp position as of Q2 2026 after selling out during the quarter.
Gritstone Asset Management sold 290,988 Centurion Acquisition Corp shares in Q2 2026, an estimated $3.13M.
Gritstone Asset Management first reported a position in Centurion Acquisition Corp in Q4 2024 and held it in 6 quarters.
Gritstone Asset Management's Centurion Acquisition Corp position peaked at $3.13M in Q1 2026.
15 funds tracked by Wall St. Rank held Centurion Acquisition Corp as of Q2 2026.

Based on Gritstone Asset Management's 13F filing for Q2 2026, filed 6 Aug 2026.