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 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	$2.19M	Sell	55,427 -6,133	-10%	-$229K	0.01%	636
2017 Q1	$2.27M	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 $6.73T AUM 46.02% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Neuberger Berman Group New York $150B AUM 40.08% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Legal & General Group London, United Kingdom $480B AUM 42.84% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Arrowstreet Capital's MSEX Position: Q2 2026 in Review

Arrowstreet Capital opened a new position in Middlesex Water (MSEX) in Q2 2026: 10,927 shares worth $614K. The stake represents ﹤0.01% of the portfolio and ranks #1721 among its holdings. This is a return to the name: Arrowstreet Capital previously reported a position in MSEX as recently as Q2 2019.

Arrowstreet Capital first reported a position in MSEX in Q1 2016 and has held it in 9 quarters since. The position peaked at $3.14M in Q2 2016. 227 funds tracked by Wall St. Rank hold MSEX as of Q2 2026.

Arrowstreet Capital held 10,927 shares of Middlesex Water worth $614K as of Q2 2026.
Middlesex Water was a new Arrowstreet Capital position in Q2 2026.
Middlesex Water made up ﹤0.01% of Arrowstreet Capital's portfolio in Q2 2026, its #1721 holding.
Arrowstreet Capital first reported a position in Middlesex Water in Q1 2016 and has held it in 9 quarters since.
Arrowstreet Capital's Middlesex Water position peaked at $3.14M in Q2 2016.
227 funds tracked by Wall St. Rank held Middlesex Water as of Q2 2026.

Based on Arrowstreet Capital's 13F filing for Q2 2026, filed 13 Aug 2026.