Water Island Capital’s SpringWorks Therapeutics SWTX Stock Holding History

Water Island Capital’s Portfolio SWTX Stock Details SWTX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-703,525	Closed	-$33.1M	–	125
2025 Q2	$33.1M	Buy	+703,525	New	+$31.3M	4.71%	6

Other funds holding SWTX

DekaBank Deutsche Girozentrale Frankfurt, Germany $60.6B AUM 23.27% 1-Year Est. Return

Osaic Holdings Scottsdale, Arizona $68.3B AUM 20.5% 1-Year Est. Return

HNB

Huntington National Bank Columbus, Ohio $18.1B AUM 24.69% 1-Year Est. Return

Water Island Capital's SWTX Position: Q3 2025 in Review

Water Island Capital sold out of SpringWorks Therapeutics (SWTX) in Q3 2025, closing a stake of 703,525 shares — an estimated $33.1M sold.

Water Island Capital first reported a position in SWTX in Q2 2025 and held it in 1 quarter. The position peaked at $33.1M in Q2 2025. 3 funds tracked by Wall St. Rank hold SWTX as of Q3 2025.

Water Island Capital reported no remaining SpringWorks Therapeutics position as of Q3 2025 after selling out during the quarter.
Water Island Capital sold 703,525 SpringWorks Therapeutics shares in Q3 2025, an estimated $33.1M.
Water Island Capital first reported a position in SpringWorks Therapeutics in Q2 2025 and held it in 1 quarter.
Water Island Capital's SpringWorks Therapeutics position peaked at $33.1M in Q2 2025.
3 funds tracked by Wall St. Rank held SpringWorks Therapeutics as of Q3 2025.

Based on Water Island Capital's 13F filing for Q3 2025, filed 14 Nov 2025.