Magnetar Financial’s Astria Therapeutics ATXS Stock Holding History

Magnetar Financial’s Portfolio ATXS Stock Details ATXS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-3,431,007	Closed	-$44.9M	–	1150
2025 Q4	$44.9M	Buy	+3,431,007	New	+$41M	0.44%	33

Magnetar Financial's ATXS Position: Q1 2026 in Review

Magnetar Financial sold out of Astria Therapeutics (ATXS) in Q1 2026, closing a stake of 3,431,007 shares — an estimated $44.9M sold.

Magnetar Financial first reported a position in ATXS in Q4 2025 and held it in 1 quarter. The position peaked at $44.9M in Q4 2025. 0 funds tracked by Wall St. Rank hold ATXS as of Q1 2026.

Magnetar Financial reported no remaining Astria Therapeutics position as of Q1 2026 after selling out during the quarter.
Magnetar Financial sold 3,431,007 Astria Therapeutics shares in Q1 2026, an estimated $44.9M.
Magnetar Financial first reported a position in Astria Therapeutics in Q4 2025 and held it in 1 quarter.
Magnetar Financial's Astria Therapeutics position peaked at $44.9M in Q4 2025.
0 funds tracked by Wall St. Rank held Astria Therapeutics as of Q1 2026.

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