Water Island Capital’s Altus Power AMPS Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q2	–	Sell	-275,084	Closed	-$1.36M	–	108
2025 Q1	$1.36M	Buy	+275,084	New	+$1.25M	0.18%	67

Other funds holding AMPS

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

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

Water Island Capital's AMPS Position: Q2 2025 in Review

Water Island Capital sold out of Altus Power (AMPS) in Q2 2025, closing a stake of 275,084 shares — an estimated $1.36M sold.

Water Island Capital first reported a position in AMPS in Q1 2025 and held it in 1 quarter. The position peaked at $1.36M in Q1 2025. 1 fund tracked by Wall St. Rank holds AMPS as of Q2 2025.

Water Island Capital reported no remaining Altus Power position as of Q2 2025 after selling out during the quarter.
Water Island Capital sold 275,084 Altus Power shares in Q2 2025, an estimated $1.36M.
Water Island Capital first reported a position in Altus Power in Q1 2025 and held it in 1 quarter.
Water Island Capital's Altus Power position peaked at $1.36M in Q1 2025.
1 fund tracked by Wall St. Rank held Altus Power as of Q2 2025.

Based on Water Island Capital's 13F filing for Q2 2025, filed 14 Aug 2025.