Mariner
MSEX icon

Mariner’s Middlesex Water MSEX Stock Holding History

Mariner’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
Q4 		– Sell
-8,785
Closed -$475K – 3708
2025
Q3 		$475K Buy
8,785
+4,835
+122% +$259K ﹤0.01% 2476
2025
Q2 		$214K Sell
3,950
-3,665
-48% -$217K ﹤0.01% 3000
2025
Q1 		$488K Sell
7,615
-930
-11% -$50.5K ﹤0.01% 2225
2024
Q4 		$450K Sell
8,545
-86
-1% -$5.4K ﹤0.01% 2274
2024
Q3 		$563K Buy
8,631
+113
+1% +$7K ﹤0.01% 2031
2024
Q2 		$445K Buy
8,518
+4,596
+117% +$239K ﹤0.01% 2128
2024
Q1 		$206K Buy
3,922
+4
+0.1% +$221 ﹤0.01% 2746
2023
Q4 		$257K Buy
3,918
+409
+12% +$27K ﹤0.01% 2478
2023
Q3 		$232K Buy
3,509
+90
+3% +$6.93K ﹤0.01% 2387
2023
Q2 		$276K Buy
3,419
+88
+3% +$6.89K ﹤0.01% 2191
2023
Q1 		$260K Sell
3,331
-158
-5% -$12.7K ﹤0.01% 2181
2022
Q4 		$274K Sell
3,489
-1,392
-29% -$121K ﹤0.01% 2096
2022
Q3 		$377K Buy
+4,881
New +$437K ﹤0.01% 1611

Other funds holding MSEX

BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return
Neuberger Berman Group
Neuberger Berman Group New York $131B AUM 28.36% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Legal & General Group
Legal & General Group London, United Kingdom $432B AUM 29.4% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Mariner's MSEX Position: Q4 2025 in Review

Mariner sold out of Middlesex Water (MSEX) in Q4 2025, closing a stake of 8,785 shares — an estimated $475K sold.

Mariner first reported a position in MSEX in Q3 2022 and held it in 13 quarters. The position peaked at $563K in Q3 2024. 201 funds tracked by Wall St. Rank hold MSEX as of Q4 2025.

  • Mariner reported no remaining Middlesex Water position as of Q4 2025 after selling out during the quarter.
  • Mariner sold 8,785 Middlesex Water shares in Q4 2025, an estimated $475K.
  • Mariner first reported a position in Middlesex Water in Q3 2022 and held it in 13 quarters.
  • Mariner's Middlesex Water position peaked at $563K in Q3 2024.
  • 201 funds tracked by Wall St. Rank held Middlesex Water as of Q4 2025.

Based on Mariner's 13F filing for Q4 2025, filed 13 Feb 2026.