Water Island Capital’s Brookline Bancorp BRKL Stock Holding History

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

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-84,076	Closed	-$887K	–	91
2025 Q2	$887K	Buy	84,076 +30,421	+57%	+$316K	0.13%	62
2025 Q1	$585K	Sell	53,655 -6,932	-11%	-$80.7K	0.08%	77
2024 Q4	$715K	Buy	+60,587	New	+$703K	0.08%	68

Other funds holding BRKL

BIG

Brooklyn Investment Group Brooklyn, New York $3.2B AUM 26.32% 1-Year Est. Return

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

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

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

Water Island Capital sold out of Brookline Bancorp (BRKL) in Q3 2025, closing a stake of 84,076 shares — an estimated $887K sold.

Water Island Capital first reported a position in BRKL in Q4 2024 and held it in 3 quarters. The position peaked at $887K in Q2 2025. 3 funds tracked by Wall St. Rank hold BRKL as of Q3 2025.

Water Island Capital reported no remaining Brookline Bancorp position as of Q3 2025 after selling out during the quarter.
Water Island Capital sold 84,076 Brookline Bancorp shares in Q3 2025, an estimated $887K.
Water Island Capital first reported a position in Brookline Bancorp in Q4 2024 and held it in 3 quarters.
Water Island Capital's Brookline Bancorp position peaked at $887K in Q2 2025.
3 funds tracked by Wall St. Rank held Brookline Bancorp as of Q3 2025.

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