Cubist Systematic Strategies’s Middlesex Water MSEX Stock Holding History

Cubist Systematic Strategies’s Portfolio MSEX Stock Details MSEX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2025 Q3	–	Sell	-4,655	Closed	-$252K	–	3344
2025 Q2	$252K	Buy	+4,655	New	+$276K	﹤0.01%	2516
2025 Q1	–	Sell	-13,730	Closed	-$723K	–	3275
2024 Q4	$723K	Buy	+13,730	New	+$862K	﹤0.01%	1990
2023 Q2	–	Sell	-89,118	Closed	-$6.96M	–	4013
2023 Q1	$6.96M	Buy	89,118 +17,967	+25%	+$1.45M	0.04%	688
2022 Q4	$5.6M	Buy	71,151 +28,604	+67%	+$2.48M	0.03%	917
2022 Q3	$3.29M	Sell	42,547 -4,110	-9%	-$368K	0.02%	1487
2022 Q2	$4.09M	Buy	+46,657	New	+$4.18M	0.03%	1168
2022 Q1	–	Sell	-1,521	Closed	-$183K	–	3697
2021 Q4	$183K	Buy	+1,521	New	+$162K	﹤0.01%	3059
2021 Q3	–	Sell	-4,565	Closed	-$373K	–	3095
2021 Q2	$373K	Buy	+4,565	New	+$378K	﹤0.01%	2197

Other funds holding MSEX

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return

Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Cubist Systematic Strategies's MSEX Position: Q3 2025 in Review

Cubist Systematic Strategies sold out of Middlesex Water (MSEX) in Q3 2025, closing a stake of 4,655 shares — an estimated $252K sold.

Cubist Systematic Strategies first reported a position in MSEX in Q2 2021 and held it in 8 quarters. The position peaked at $6.96M in Q1 2023. 214 funds tracked by Wall St. Rank hold MSEX as of Q3 2025.

Cubist Systematic Strategies reported no remaining Middlesex Water position as of Q3 2025 after selling out during the quarter.
Cubist Systematic Strategies sold 4,655 Middlesex Water shares in Q3 2025, an estimated $252K.
Cubist Systematic Strategies first reported a position in Middlesex Water in Q2 2021 and held it in 8 quarters.
Cubist Systematic Strategies's Middlesex Water position peaked at $6.96M in Q1 2023.
214 funds tracked by Wall St. Rank held Middlesex Water as of Q3 2025.

Based on Cubist Systematic Strategies's 13F filing for Q3 2025, filed 14 Nov 2025.