Arrowstreet Capital’s Middlesex Water MSEX Stock Holding History

Arrowstreet Capital’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
2026 Q3	$242K	Sell	4,572 -6,355	-58%	-$361K	﹤0.01%	1736
2026 Q2	$614K	Buy	+10,927	New	+$575K	﹤0.01%	1721
2019 Q3	–	Sell	-8,690	Closed	-$515K	–	1659
2019 Q2	$515K	Buy	8,690 +4,490	+107%	+$261K	﹤0.01%	1179
2019 Q1	$235K	Buy	+4,200	New	+$237K	﹤0.01%	1613
2017 Q4	–	Sell	-49,127	Closed	-$1.93M	–	1347
2017 Q3	$1.93M	Sell	49,127 -6,300	-11%	-$245K	0.01%	710
2017 Q2	$2.2M	Sell	55,427 -6,133	-10%	-$229K	0.01%	636
2017 Q1	$2.28M	Buy	+61,560	New	+$2.3M	0.01%	781
2016 Q4	–	Sell	-82,611	Closed	-$2.91M	–	2219
2016 Q3	$2.91M	Buy	82,611 +10,200	+14%	+$385K	0.01%	818
2016 Q2	$3.14M	Buy	72,411 +31,500	+77%	+$1.17M	0.01%	716
2016 Q1	$1.26M	Buy	+40,911	New	+$1.16M	0.01%	913

Other funds holding MSEX

BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return

Neuberger Berman Group New York $148B AUM 31.56% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM

State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM

Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return

Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return

Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

Ledgewood Wealth Advisors Exeter, New Hampshire $181M AUM 9.93% 1-Year Est. Return

Arrowstreet Capital's MSEX Position: Q3 2026 in Review

Arrowstreet Capital reduced its Middlesex Water (MSEX) stake by 58% in Q3 2026, selling an estimated $361K and leaving 4,572 shares worth $242K. The position accounts for ﹤0.01% of the portfolio, ranked #1736.

Arrowstreet Capital first reported a position in MSEX in Q1 2016 and has held it in 10 quarters since. The position peaked at $3.14M in Q2 2016. 196 funds tracked by Wall St. Rank hold MSEX as of Q3 2026.

Arrowstreet Capital held 4,572 shares of Middlesex Water worth $242K as of Q3 2026.
Arrowstreet Capital sold 6,355 Middlesex Water shares in Q3 2026, an estimated $361K.
Middlesex Water made up ﹤0.01% of Arrowstreet Capital's portfolio in Q3 2026, its #1736 holding.
Arrowstreet Capital first reported a position in Middlesex Water in Q1 2016 and has held it in 10 quarters since.
Arrowstreet Capital's Middlesex Water position peaked at $3.14M in Q2 2016.
196 funds tracked by Wall St. Rank held Middlesex Water as of Q3 2026.

Based on Arrowstreet Capital's 13F filing for Q3 2026, filed 13 Nov 2026.