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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, Q2 2021

Institutional positions in Middlesex Water Co as of Jun 30, 2021. 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
160
+1 vs. Q1 2021
Shares held
10.6M
−55.0K (−0.5%) vs. Q1 2021
Total value
$877.9M
+$35.8M (+4.2%) vs. Q1 2021
New holders
17
54 more added
Sold out
16
48 more reduced

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2021: 160 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 heldQ2 2021: $877.9M
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, Q2 2021

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q1 2021.

Institutions holding MSEX in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Old Mission Capital LLC16,006$1.31M0.05%+16,006New
Advisor Group Holdings, Inc.16,692$1.36M0.00%+30+0.2%Added
Financial Architects, Inc16,685$1.36M0.20%+443+2.7%Added
American Century Companies Inc17,162$1.40M0.00%+4,926+40.3%Added
Russell Investments Group, Ltd.19,430$1.59M0.00%+17,756+1,060.7%Added
Manchester Capital Management LLC20,234$1.65M0.23%00.0%Unchanged
TD Asset Management Inc16,403$1.67M0.00%−5,299−24.4%Reduced
UBS Asset Management Americas Inc21,113$1.73M0.00%+1,506+7.7%Added
Vontobel Holding Ltd.21,214$1.75M0.02%+21,214New
Teton Advisors, Inc.22,453$1.83M0.25%−1,480−6.2%Reduced
Comerica Bank17,275$1.83M0.01%−46−0.3%Reduced
Rhumbline Advisers22,779$1.86M0.00%+2,889+14.5%Added
Raymond James Financial Services Advisors, Inc.23,312$1.91M0.00%+3,553+18.0%Added
California State Teachers Retirement System23,835$1.95M0.00%−1,884−7.3%Reduced
Susquehanna International Group, LLP24,009$1.96M0.00%+24,009New
JPMorgan Chase & Co24,764$2.02M0.00%−10,997−30.8%Reduced
Wells Fargo & Company25,674$2.10M0.00%−21,032−45.0%Reduced
ExodusPoint Capital Management, LP28,517$2.33M0.04%+14,130+98.2%Added
FMR LLC30,309$2.48M0.00%+26,209+639.2%Added
Storebrand Asset Management AS30,730$2.51M0.01%+4,326+16.4%Added
State of New Jersey Common Pension Fund D30,828$2.52M0.01%+30,828New
Alliancebernstein L.P.31,777$2.60M0.00%−1,111−3.4%Reduced
Nuveen Asset Management, LLC72,752$2.74M0.00%+5,809+8.7%Added
UBS Group AG37,777$3.09M0.00%−2,691−6.6%Reduced
Swiss National Bank38,562$3.15M0.00%−1,400−3.5%Reduced
Gamco Investors, Inc. Et Al38,648$3.16M0.03%−3,300−7.9%Reduced
Jane Street Group, LLC42,369$3.46M0.01%+42,369New
Oppenheimer & Co Inc44,559$3.64M0.07%−27−0.1%Reduced
Amundi49,132$4.01M0.00%+49,132New
Landsberg, Bennett, & Dubbaneh LLC49,636$4.08M0.53%+1,597+3.3%Added
Parametric Portfolio Associates LLC53,370$4.36M0.00%−3,432−6.0%Reduced
Legal & General Group Plc62,168$5.08M0.00%+24,506+65.1%Added
Janney Montgomery Scott LLC69,128$5.65M0.02%−5,550−7.4%Reduced
Deprince Race & Zollo Inc72,570$5.93M0.15%+11,522+18.9%Added
Millennium Management LLC73,723$6.03M0.01%+56,497+328.0%Added
Nuance Investments, LLC83,941$6.86M0.12%−77,927−48.1%Reduced
State of Wisconsin Investment Board90,183$7.37M0.02%00.0%Unchanged
Bank of America Corp94,202$7.70M0.00%+44,596+89.9%Added
Gabelli Funds LLC97,200$7.94M0.05%−500−0.5%Reduced
Goldman Sachs Group Inc105,910$8.66M0.00%+78,800+290.7%Added
Bank of New York Mellon Corp114,154$9.33M0.00%+3,480+3.1%Added
Charles Schwab Investment Management Inc120,782$9.87M0.00%+2,023+1.7%Added
ProShare Advisors LLC126,726$10.4M0.03%−49,624−28.1%Reduced
Montanaro Asset Management Ltd134,000$11.0M1.38%+2,000+1.5%Added
TSP Capital Management Group, LLC–$11.0M3.63%––
First Trust Advisors LP178,279$14.6M0.02%+25,796+16.9%Added
Morgan Stanley181,803$14.9M0.00%+22,897+14.4%Added
First Manhattan Co200,964$16.4M0.06%−3,814−1.9%Reduced
Northern Trust Corp208,045$17.0M0.00%−10,375−4.8%Reduced
KBC Group NV217,700$17.8M0.06%+22,413+11.5%Added
Invesco Ltd.248,774$20.3M0.01%−20,180−7.5%Reduced
Renaissance Technologies LLC310,800$25.4M0.03%−38,800−11.1%Reduced
Geode Capital Management, LLC316,358$25.9M0.00%+720+0.2%Added
State Street Corp365,664$29.9M0.00%+19,262+5.6%Added
Dimensional Fund Advisors LP479,554$39.2M0.01%−32,001−6.3%Reduced
Pictet Asset Management Ltd498,519$40.7M0.04%+658+0.1%Added
Eaton Vance Management499,603$40.8M0.06%+17,891+3.7%Added
Vanguard Group Inc1,028,727$84.1M0.00%−19,118−1.8%Reduced
BlackRock Inc.1,456,406$119.0M0.00%+41,620+2.9%Added
Price T Rowe Associates Inc1,807,736$147.7M0.01%+9,864+0.5%Added
Impax Asset Management Group plc0$00.00%−133,009−100.0%Sold out
California Public Employees Retirement System0$00.00%−34,700−100.0%Sold out
Jackson Creek Investment Advisors LLC0$00.00%−12,023−100.0%Sold out
Capital Bank & Trust Co0$00.00%−10,000−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−9,919−100.0%Sold out
STRS Ohio0$00.00%−7,500−100.0%Sold out
Panagora Asset Management Inc0$00.00%−3,275−100.0%Sold out
Verition Fund Management LLC0$00.00%−2,934−100.0%Sold out
Marshall Wace, LLP0$00.00%−2,800−100.0%Sold out
Bank of Montreal0$00.00%−2,605−100.0%Sold out
Trustcore Financial Services, LLC0$00.00%−2,000−100.0%Sold out
Total Clarity Wealth Management, Inc.0$00.00%−750−100.0%Sold out
RMR Wealth Builders0$00.00%−600−100.0%Sold out
Eudaimonia Partners, LLC0$00.00%−517−100.0%Sold out
ShoreHaven Wealth Partners, LLC0$00.00%−253−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−51−100.0%Sold out
Amundi Asset Management US, Inc.––––Not filed
Tealwood Asset Management Inc––––Not filed