Jane Street
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Jane Street’s Middlesex Water MSEX Stock Holding History

Jane Street’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
Q1 		$354K Buy
6,800
+2,200
+48% +$116K ﹤0.01% 8844
2025
Q4 		$232K Buy
+4,600
New +$247K ﹤0.01% 9415

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
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VPM
Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM
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

Jane Street's MSEX Position: Q1 2026 in Review

Jane Street opened a new position in Middlesex Water (MSEX) in Q1 2026: 86,742 shares worth $4.51M. The stake represents ﹤0.01% of the portfolio and ranks #3666 among its holdings. This is a return to the name: Jane Street previously reported a position in MSEX as recently as Q3 2025.

Jane Street first reported a position in MSEX in Q2 2021 and has held it in 16 quarters since. The position peaked at $4.82M in Q4 2024. 219 funds tracked by Wall St. Rank hold MSEX as of Q1 2026.

  • Jane Street held 86,742 shares of Middlesex Water worth $4.51M as of Q1 2026.
  • Middlesex Water was a new Jane Street position in Q1 2026.
  • Middlesex Water made up ﹤0.01% of Jane Street's portfolio in Q1 2026, its #3666 holding.
  • Jane Street first reported a position in Middlesex Water in Q2 2021 and has held it in 16 quarters since.
  • Jane Street's Middlesex Water position peaked at $4.82M in Q4 2024.
  • 219 funds tracked by Wall St. Rank held Middlesex Water as of Q1 2026.

Based on Jane Street's 13F filing for Q1 2026, filed 12 May 2026.