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Middlesex Water Co

MSEX
Exchange
Nasdaq
Industry
Water Supply
SEC CIK
0000066004

In the last 90 days, Middlesex Water Co insiders filed 0 open-market purchases and 1 sale; 227 institutions reported holding it in 13F filings for Q2 2026, worth $881.5M in total; no superinvestor holds it.

Other share classesMSEXP

13F holders, Q1 2022

Institutional positions in Middlesex Water Co as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
203
+2 vs. Q4 2021
Shares held
12.5M
+485.0K (+4.0%) vs. Q4 2021
Total value
$1.31B
−$132.9M (−9.2%) vs. Q4 2021
New holders
23
61 more added
Sold out
21
69 more reduced

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2021: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MSEX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2022: 203 institutions
Q1 2021: 161 institutionsQ2 2021: 160 institutionsQ3 2021: 189 institutionsQ4 2021: 205 institutionsQ1 2022: 203 institutionsQ2 2022: 209 institutionsQ3 2022: 200 institutionsQ4 2022: 202 institutionsQ1 2023: 201 institutionsQ2 2023: 185 institutionsQ3 2023: 186 institutionsQ4 2023: 191 institutionsQ1 2024: 191 institutionsQ2 2024: 197 institutionsQ3 2024: 199 institutionsQ4 2024: 210 institutionsQ1 2025: 215 institutionsQ2 2025: 217 institutionsQ3 2025: 214 institutionsQ4 2025: 203 institutionsQ1 2026: 221 institutionsQ2 2026: 227 institutions
Value heldQ1 2022: $1.31B
Q1 2021: $846.0MQ2 2021: $877.9MQ3 2021: $1.28BQ4 2021: $1.45BQ1 2022: $1.31BQ2 2022: $1.04BQ3 2022: $925.3MQ4 2022: $977.4MQ1 2023: $921.9MQ2 2023: $1.01BQ3 2023: $829.0MQ4 2023: $854.4MQ1 2024: $675.4MQ2 2024: $678.3MQ3 2024: $901.2MQ4 2024: $713.2MQ1 2025: $886.9MQ2 2025: $739.4MQ3 2025: $776.1MQ4 2025: $764.0MQ1 2026: $793.4MQ2 2026: $881.5M
Institutions holding MSEX and their total value by quarter
QuarterHoldersValue
Q2 2026227$881.5M
Q1 2026221$793.4M
Q4 2025203$764.0M
Q3 2025214$776.1M
Q2 2025217$739.4M
Q1 2025215$886.9M
Q4 2024210$713.2M
Q3 2024199$901.2M
Q2 2024197$678.3M
Q1 2024191$675.4M
Q4 2023191$854.4M
Q3 2023186$829.0M
Q2 2023185$1.01B
Q1 2023201$921.9M
Q4 2022202$977.4M
Q3 2022200$925.3M
Q2 2022209$1.04B
Q1 2022203$1.31B
Q4 2021205$1.45B
Q3 2021189$1.28B
Q2 2021160$877.9M
Q1 2021161$846.0M

Institutions, Q1 2022

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q4 2021.

Institutions holding MSEX in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc1,315,544$138.4M0.00%+24,575+1.9%Added
State Street Corp1,597,146$168.0M0.01%+1,025,864+179.6%Added
BlackRock Inc.2,735,358$287.7M0.01%−11,012−0.4%Reduced
HRT Financial LP0$00.00%−32,554−100.0%Sold out
Maven Securities LTD0$00.00%−16,965−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−10,500−100.0%Sold out
AMP Capital Investors Ltd0$00.00%−9,486−100.0%Sold out
Millennium Management LLC0$00.00%−8,137−100.0%Sold out
IndexIQ Advisors LLC0$00.00%−5,344−100.0%Sold out
Walleye Capital LLC0$00.00%−5,324−100.0%Sold out
Cannon Global Investment Management, LLC0$00.00%−3,100−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−2,697−100.0%Sold out
Fifth Lane Capital, LP0$00.00%−2,007−100.0%Sold out
Calton & Associates, Inc.0$00.00%−1,874−100.0%Sold out
Northside Capital Management, LLC0$00.00%−1,750−100.0%Sold out
Raymond James & Associates0$00.00%−1,739−100.0%Sold out
Crossmark Global Holdings, Inc.0$00.00%−1,740−100.0%Sold out
Profund Advisors LLC0$00.00%−1,710−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−1,521−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−750−100.0%Sold out
Castleview Partners, LLC0$00.00%−9,864−100.0%Sold out
Point72 Hong Kong Ltd0$00.00%−539−100.0%Sold out
Simplex Trading, LLC0$00.00%−275−100.0%Sold out
ClariVest Asset Management LLC0$00.00%−57−100.0%Sold out
Ascendant Capital Management, LLC––––Not filed
6 Meridian––––Not filed
Harbour Investments, Inc.––––Not filed
Bell Investment Advisors, Inc––––Not filed