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 Q2	$1.22M	Buy	+36,133	New	+$1.27M	0.01%	406
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 $1.25B AUM 18.35% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return

Point72 Asset Management Stamford, Connecticut $90.7B AUM 77.13% 1-Year Est. Return

AMH

Aspex Management (HK) Central, Hong Kong $8.89B AUM 39.91% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Viking Global Investors Stamford, Connecticut $35.1B AUM 21.36% 1-Year Est. Return

Marshall Wace London, United Kingdom $127B AUM 46.06% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Magnetar Financial's AS Position: Q2 2026 in Review

Magnetar Financial opened a new position in Amer Sports (AS) in Q2 2026: 36,133 shares worth $1.22M. The stake represents 0.01% of the portfolio and ranks #406 among its holdings. This is a return to the name: Magnetar Financial previously reported a position in AS as recently as Q4 2025.

Magnetar Financial first reported a position in AS in Q4 2024 and has held it in 5 quarters since. The position peaked at $4.55M in Q3 2025. 351 funds tracked by Wall St. Rank hold AS as of Q2 2026.

Magnetar Financial held 36,133 shares of Amer Sports worth $1.22M as of Q2 2026.
Amer Sports was a new Magnetar Financial position in Q2 2026.
Amer Sports made up 0.01% of Magnetar Financial's portfolio in Q2 2026, its #406 holding.
Magnetar Financial first reported a position in Amer Sports in Q4 2024 and has held it in 5 quarters since.
Magnetar Financial's Amer Sports position peaked at $4.55M in Q3 2025.
351 funds tracked by Wall St. Rank held Amer Sports as of Q2 2026.

Based on Magnetar Financial's 13F filing for Q2 2026, filed 14 Aug 2026.