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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
Price T Rowe Associates Inc1,807,736$147.7M0.01%+9,864+0.5%Added
BlackRock Inc.1,456,406$119.0M0.00%+41,620+2.9%Added
Vanguard Group Inc1,028,727$84.1M0.00%−19,118−1.8%Reduced
Eaton Vance Management499,603$40.8M0.06%+17,891+3.7%Added
Pictet Asset Management Ltd498,519$40.7M0.04%+658+0.1%Added
Dimensional Fund Advisors LP479,554$39.2M0.01%−32,001−6.3%Reduced
State Street Corp365,664$29.9M0.00%+19,262+5.6%Added
Geode Capital Management, LLC316,358$25.9M0.00%+720+0.2%Added
Renaissance Technologies LLC310,800$25.4M0.03%−38,800−11.1%Reduced
Invesco Ltd.248,774$20.3M0.01%−20,180−7.5%Reduced
KBC Group NV217,700$17.8M0.06%+22,413+11.5%Added
Northern Trust Corp208,045$17.0M0.00%−10,375−4.8%Reduced
First Manhattan Co200,964$16.4M0.06%−3,814−1.9%Reduced
Morgan Stanley181,803$14.9M0.00%+22,897+14.4%Added
First Trust Advisors LP178,279$14.6M0.02%+25,796+16.9%Added
TSP Capital Management Group, LLC–$11.0M3.63%––
Montanaro Asset Management Ltd134,000$11.0M1.38%+2,000+1.5%Added
ProShare Advisors LLC126,726$10.4M0.03%−49,624−28.1%Reduced
Charles Schwab Investment Management Inc120,782$9.87M0.00%+2,023+1.7%Added
Bank of New York Mellon Corp114,154$9.33M0.00%+3,480+3.1%Added
Goldman Sachs Group Inc105,910$8.66M0.00%+78,800+290.7%Added
Gabelli Funds LLC97,200$7.94M0.05%−500−0.5%Reduced
Bank of America Corp94,202$7.70M0.00%+44,596+89.9%Added
State of Wisconsin Investment Board90,183$7.37M0.02%00.0%Unchanged
Nuance Investments, LLC83,941$6.86M0.12%−77,927−48.1%Reduced
Millennium Management LLC73,723$6.03M0.01%+56,497+328.0%Added
Deprince Race & Zollo Inc72,570$5.93M0.15%+11,522+18.9%Added
Janney Montgomery Scott LLC69,128$5.65M0.02%−5,550−7.4%Reduced
Legal & General Group Plc62,168$5.08M0.00%+24,506+65.1%Added
Parametric Portfolio Associates LLC53,370$4.36M0.00%−3,432−6.0%Reduced
Landsberg, Bennett, & Dubbaneh LLC49,636$4.08M0.53%+1,597+3.3%Added
Amundi49,132$4.01M0.00%+49,132New
Oppenheimer & Co Inc44,559$3.64M0.07%−27−0.1%Reduced
Jane Street Group, LLC42,369$3.46M0.01%+42,369New
Gamco Investors, Inc. Et Al38,648$3.16M0.03%−3,300−7.9%Reduced
Swiss National Bank38,562$3.15M0.00%−1,400−3.5%Reduced
UBS Group AG37,777$3.09M0.00%−2,691−6.6%Reduced
Nuveen Asset Management, LLC72,752$2.74M0.00%+5,809+8.7%Added
Alliancebernstein L.P.31,777$2.60M0.00%−1,111−3.4%Reduced
State of New Jersey Common Pension Fund D30,828$2.52M0.01%+30,828New
Storebrand Asset Management AS30,730$2.51M0.01%+4,326+16.4%Added
FMR LLC30,309$2.48M0.00%+26,209+639.2%Added
ExodusPoint Capital Management, LP28,517$2.33M0.04%+14,130+98.2%Added
Wells Fargo & Company25,674$2.10M0.00%−21,032−45.0%Reduced
JPMorgan Chase & Co24,764$2.02M0.00%−10,997−30.8%Reduced
Susquehanna International Group, LLP24,009$1.96M0.00%+24,009New
California State Teachers Retirement System23,835$1.95M0.00%−1,884−7.3%Reduced
Raymond James Financial Services Advisors, Inc.23,312$1.91M0.00%+3,553+18.0%Added
Rhumbline Advisers22,779$1.86M0.00%+2,889+14.5%Added
Teton Advisors, Inc.22,453$1.83M0.25%−1,480−6.2%Reduced
Comerica Bank17,275$1.83M0.01%−46−0.3%Reduced
Vontobel Holding Ltd.21,214$1.75M0.02%+21,214New
UBS Asset Management Americas Inc21,113$1.73M0.00%+1,506+7.7%Added
TD Asset Management Inc16,403$1.67M0.00%−5,299−24.4%Reduced
Manchester Capital Management LLC20,234$1.65M0.23%00.0%Unchanged
Russell Investments Group, Ltd.19,430$1.59M0.00%+17,756+1,060.7%Added
American Century Companies Inc17,162$1.40M0.00%+4,926+40.3%Added
Advisor Group Holdings, Inc.16,692$1.36M0.00%+30+0.2%Added
Financial Architects, Inc16,685$1.36M0.20%+443+2.7%Added
Old Mission Capital LLC16,006$1.31M0.05%+16,006New
Deutsche Bank AG15,978$1.31M0.00%−1,215−7.1%Reduced
Citadel Advisors LLC15,792$1.29M0.00%−27,206−63.3%Reduced
SG Americas Securities, LLC15,683$1.28M0.01%+13,332+567.1%Added
New York State Common Retirement Fund14,844$1.21M0.00%−1,156−7.2%Reduced
Royal Bank of Canada14,188$1.16M0.00%+152+1.1%Added
The PNC Financial Services Group, Inc.14,053$1.15M0.00%+93+0.7%Added
Credit Suisse AG13,157$1.07M0.00%−2,637−16.7%Reduced
Main Street Financial Solutions, LLC10,924$893.0K0.14%00.0%Unchanged
AMP Capital Investors Ltd10,886$890.0K0.00%−400−3.5%Reduced
Summit Global Investments10,500$858.0K0.05%−4,158−28.4%Reduced
Krane Funds Advisors LLC10,177$832.0K0.02%−2,316−18.5%Reduced
Clean Yield Group9,880$808.0K0.30%−500−4.8%Reduced
State Board of Administration of Florida Retirement System9,713$794.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The9,720$794.0K0.00%+162+1.7%Added
American International Group, Inc.9,683$791.0K0.00%−258−2.6%Reduced
Private Advisor Group, LLC9,643$788.0K0.01%+443+4.8%Added
Ameriprise Financial Inc9,494$776.0K0.00%−1,225−11.4%Reduced
Marshall Wace North America L.P.9,122$746.0K0.00%+9,122New
Principal Financial Group Inc8,724$713.0K0.00%−2,560−22.7%Reduced
Martingale Asset Management L P8,307$680.0K0.01%−100−1.2%Reduced
Raymond James & Associates8,142$665.0K0.00%−5,794−41.6%Reduced
Parcion Private Wealth LLC8,000$654.0K0.07%00.0%Unchanged
ETF Managers Group, LLC7,602$625.0K0.01%+2,061+37.2%Added
Mitchell McLeod Pugh & Williams Inc7,450$609.0K0.23%00.0%Unchanged
Barclays PLC7,406$606.0K0.00%−8,634−53.8%Reduced
Public Employees Retirement Association of Colorado7,194$588.0K0.00%00.0%Unchanged
Victory Capital Management Inc7,080$579.0K0.00%+425+6.4%Added
Voya Investment Management LLC7,025$574.0K0.00%−437−5.9%Reduced
Qube Research & Technologies Ltd7,024$574.0K0.01%+7,024New
Blackhill Capital Inc6,666$545.0K0.05%00.0%Unchanged
Guyasuta Investment Advisors Inc6,550$535.0K0.04%00.0%Unchanged
Ergoteles LLC6,199$507.0K0.01%−38,841−86.2%Reduced
MetLife Investment Management5,991$489.6K0.00%00.0%Unchanged
Steward Partners Investment Advisory, LLC5,894$482.0K0.01%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.5,891$481.0K0.00%+800+15.7%Added
Farmers & Merchants Trust Co of Long Beach5,579$456.0K0.12%00.0%Unchanged
Spire Wealth Management5,566$455.0K0.01%+3,438+161.6%Added
IndexIQ Advisors LLC5,120$418.0K0.01%−10−0.2%Reduced
Lazard Asset Management LLC5,071$413.0K0.00%−267−5.0%Reduced
BNP Paribas Arbitrage, SA4,963$405.6K0.00%+287+6.1%Added