Water Island Capital’s Astria Therapeutics ATXS Stock Holding History

Water Island Capital’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	-615,790	Closed	-$8.06M	–	100
2025 Q4	$8.06M	Buy	+615,790	New	+$7.36M	0.87%	38

Water Island Capital's ATXS Position: Q1 2026 in Review

Water Island Capital sold out of Astria Therapeutics (ATXS) in Q1 2026, closing a stake of 615,790 shares — an estimated $8.06M sold.

Water Island Capital first reported a position in ATXS in Q4 2025 and held it in 1 quarter. The position peaked at $8.06M in Q4 2025. 0 funds tracked by Wall St. Rank hold ATXS as of Q1 2026.

Water Island Capital reported no remaining Astria Therapeutics position as of Q1 2026 after selling out during the quarter.
Water Island Capital sold 615,790 Astria Therapeutics shares in Q1 2026, an estimated $8.06M.
Water Island Capital first reported a position in Astria Therapeutics in Q4 2025 and held it in 1 quarter.
Water Island Capital's Astria Therapeutics position peaked at $8.06M in Q4 2025.
0 funds tracked by Wall St. Rank held Astria Therapeutics as of Q1 2026.

Based on Water Island Capital's 13F filing for Q1 2026, filed 15 May 2026.