Westchester Capital Management (New York)’s Arcadium Lithium plc ALTM Stock Holding History

Westchester Capital Management (New York)’s Portfolio ALTM Stock Details ALTM Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q1	–	Sell	-3,492,052	Closed	-$17.9M	–	204
2024 Q4	$17.9M	Buy	+3,492,052	New	+$17.8M	0.97%	24

Other funds holding ALTM

VanEck Associates New York $133B AUM 72.99% 1-Year Est. Return

IFP Advisors Tampa, Florida $5.54B AUM 27.43% 1-Year Est. Return

SFCL

Strengthening Families & Communities LLC Boston, Massachusetts $401M AUM 33.17% 1-Year Est. Return

Principal Securities Des Moines, Iowa $6.82B AUM 17.15% 1-Year Est. Return

AAG

Armstrong Advisory Group Needham, Massachusetts $1.64B AUM 19.37% 1-Year Est. Return

Avion Wealth The Woodlands, Texas $484M AUM 15.17% 1-Year Est. Return

Westchester Capital Management (New York)'s ALTM Position: Q1 2025 in Review

Westchester Capital Management (New York) sold out of Arcadium Lithium plc (ALTM) in Q1 2025, closing a stake of 3,492,052 shares — an estimated $17.9M sold.

Westchester Capital Management (New York) first reported a position in ALTM in Q4 2024 and held it in 1 quarter. The position peaked at $17.9M in Q4 2024. 6 funds tracked by Wall St. Rank hold ALTM as of Q1 2025.

Westchester Capital Management (New York) reported no remaining Arcadium Lithium plc position as of Q1 2025 after selling out during the quarter.
Westchester Capital Management (New York) sold 3,492,052 Arcadium Lithium plc shares in Q1 2025, an estimated $17.9M.
Westchester Capital Management (New York) first reported a position in Arcadium Lithium plc in Q4 2024 and held it in 1 quarter.
Westchester Capital Management (New York)'s Arcadium Lithium plc position peaked at $17.9M in Q4 2024.
6 funds tracked by Wall St. Rank held Arcadium Lithium plc as of Q1 2025.

Based on Westchester Capital Management (New York)'s 13F filing for Q1 2025, filed 14 May 2025.