Magnetar Financial’s Amer Sports AS Stock Holding History

Magnetar Financial’s Portfolio AS Stock Details AS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-117,092	Closed	-$4.37M	–	1441
2025 Q4	$4.37M	Sell	117,092 -13,841	-11%	-$475K	0.04%	208
2025 Q3	$4.55M	Buy	130,933 +103,609	+379%	+$3.91M	0.03%	243
2025 Q2	$1.06M	Buy	+27,324	New	+$841K	0.01%	429
2025 Q1	–	Sell	-9,836	Closed	-$275K	–	980
2024 Q4	$275K	Buy	+9,836	New	+$217K	0.01%	493

Other funds holding AS

FCCPG

FountainVest China Capital Partners GP3 Grand Cayman, Cayman Islands $1.2B AUM 6.95% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $78.1B AUM 55.25% 1-Year Est. Return

AMH

Aspex Management (HK) Central, Hong Kong $6.9B AUM 28.37% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.7B AUM 21.3% 1-Year Est. Return

D.E. Shaw & Co New York $166B AUM 43.98% 1-Year Est. Return

Marshall Wace London, United Kingdom $100B AUM 35.1% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Avala Global New York $2.08B AUM 87.66% 1-Year Est. Return

Balyasny Asset Management Chicago, Illinois $77.1B AUM 42.89% 1-Year Est. Return

Magnetar Financial's AS Position: Q1 2026 in Review

Magnetar Financial sold out of Amer Sports (AS) in Q1 2026, closing a stake of 117,092 shares — an estimated $4.37M sold.

Magnetar Financial first reported a position in AS in Q4 2024 and held it in 4 quarters. The position peaked at $4.55M in Q3 2025. 342 funds tracked by Wall St. Rank hold AS as of Q1 2026.

Magnetar Financial reported no remaining Amer Sports position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 117,092 Amer Sports shares in Q1 2026, an estimated $4.37M.
Magnetar Financial first reported a position in Amer Sports in Q4 2024 and held it in 4 quarters.
Magnetar Financial's Amer Sports position peaked at $4.55M in Q3 2025.
342 funds tracked by Wall St. Rank held Amer Sports as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.