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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 2023

Institutional positions in Middlesex Water Co as of Mar 31, 2023. 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
201
+2 vs. Q4 2022
Shares held
11.8M
−623.5K (−5.0%) vs. Q4 2022
Total value
$921.9M
−$53.3M (−5.5%) vs. Q4 2022
New holders
25
60 more added
Sold out
23
74 more reduced

3 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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 2023: 201 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 2023: $921.9M
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, Q1 2023

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q4 2022.

Institutions holding MSEX in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.2,563,914$200.3M0.01%−5,094−0.2%Reduced
Vanguard Group Inc1,402,034$109.5M0.00%−22,034−1.5%Reduced
Pictet Asset Management SA757,648$59.2M0.07%+19,284+2.6%Added
State Street Corp642,450$50.2M0.00%−1,225,413−65.6%Reduced
Invesco Ltd.474,177$37.0M0.01%+79,701+20.2%Added
Dimensional Fund Advisors LP457,757$35.8M0.01%+4,325+1.0%Added
Morgan Stanley394,198$30.8M0.00%+62,143+18.7%Added
Geode Capital Management, LLC341,927$26.7M0.00%+11,666+3.5%Added
Goldman Sachs Group Inc224,073$17.5M0.00%−107,794−32.5%Reduced
KBC Group NV213,249$16.7M0.07%+5,972+2.9%Added
Northern Trust Corp211,533$16.5M0.00%+1,966+0.9%Added
Renaissance Technologies LLC211,100$16.5M0.02%−15,700−6.9%Reduced
First Trust Advisors LP210,526$16.4M0.02%+28,543+15.7%Added
Bank of New York Mellon Corp203,674$15.9M0.00%+2,406+1.2%Added
First Manhattan Co195,255$15.3M0.06%−27,985−12.5%Reduced
Legal & General Group Plc171,110$13.4M0.00%+42,432+33.0%Added
HSBC Holdings PLC171,719$13.3M0.02%+42,922+33.3%Added
T. Rowe Price Investment Management, Inc.159,222$12.4M0.01%+159,222New
Millennium Management LLC153,233$12.0M0.01%+36,851+31.7%Added
Charles Schwab Investment Management Inc132,463$10.3M0.00%+1,085+0.8%Added
ProShare Advisors LLC128,042$10.0M0.03%+23,132+22.0%Added
Amundi116,670$9.28M0.01%+119+0.1%Added
TSP Capital Management Group, LLC117,526$9.18M3.32%−298−0.3%Reduced
Principal Financial Group Inc106,454$8.32M0.01%−2,261−2.1%Reduced
Ergoteles LLC95,715$7.48M0.29%+90,415+1,705.9%Added
Cubist Systematic Strategies, LLC89,118$6.96M0.06%+17,967+25.3%Added
Ameriprise Financial Inc73,568$5.75M0.00%−1,081−1.4%Reduced
Assenagon Asset Management S.A.71,982$5.62M0.02%+43,795+155.4%Added
Citadel Advisors LLC53,866$4.21M0.00%−20,294−27.4%Reduced
HRT Financial LP52,602$4.11M0.05%+52,602New
Rhumbline Advisers52,482$4.10M0.01%+3,878+8.0%Added
Penn Capital Management Co Inc52,266$4.08M0.41%+5,788+12.5%Added
Nuveen Asset Management, LLC49,876$3.90M0.00%−444−0.9%Reduced
Voloridge Investment Management, LLC48,556$3.79M0.02%+38,922+404.0%Added
HighTower Advisors, LLC47,177$3.69M0.01%+3,400+7.8%Added
Tudor Investment Corp Et Al44,382$3.47M0.07%+7,280+19.6%Added
JPMorgan Chase & Co40,455$3.16M0.00%+11,654+40.5%Added
Swiss National Bank38,162$2.98M0.00%−4,300−10.1%Reduced
Two Sigma Investments, LP37,140$2.90M0.01%+8,532+29.8%Added
UBS Group AG33,336$2.60M0.00%+5,692+20.6%Added
Public Sector Pension Investment Board31,023$2.42M0.02%−1,067−3.3%Reduced
State of Wisconsin Investment Board28,634$2.24M0.01%+18,239+175.5%Added
Deutsche Bank AG27,745$2.17M0.00%−10,341−27.2%Reduced
Two Sigma Advisers, LP27,600$2.16M0.01%+27,600New
State of New Jersey Common Pension Fund D27,276$2.13M0.01%+1,879+7.4%Added
Alliancebernstein L.P.25,624$2.00M0.00%−1,572−5.8%Reduced
Storebrand Asset Management AS24,401$1.91M0.01%−264−1.1%Reduced
Bank of America Corp23,642$1.85M0.00%−3,321−12.3%Reduced
UBS Asset Management Americas Inc23,378$1.83M0.00%+2,548+12.2%Added
Credit Suisse AG22,640$1.77M0.00%+690+3.1%Added
California State Teachers Retirement System21,956$1.72M0.00%−287−1.3%Reduced
Qube Research & Technologies Ltd20,769$1.62M0.01%+132+0.6%Added
Gabelli Funds LLC19,750$1.54M0.01%00.0%Unchanged
Oppenheimer & Co Inc19,169$1.50M0.03%−5,406−22.0%Reduced
Cerity Partners LLC14,435$1.48M0.01%+14,435New
Commonwealth of Pennsylvania Public School Empls Retrmt Sys18,677$1.46M0.01%−201−1.1%Reduced
ExodusPoint Capital Management, LP17,990$1.41M0.02%+22+0.1%Added
Great West Life Assurance Co17,826$1.39M0.00%−7,061−28.4%Reduced
Thrivent Financial for Lutherans17,480$1.37M0.00%−613−3.4%Reduced
Susquehanna International Group, LLP17,324$1.35M0.00%+5,703+49.1%Added
Prudential Financial Inc17,207$1.34M0.00%−500−2.8%Reduced
Allianz Asset Management GmbH16,400$1.28M0.00%+16,400New
Financial Architects, Inc16,251$1.27M0.20%00.0%Unchanged
SG Americas Securities, LLC16,227$1.27M0.02%+9,277+133.5%Added
Texas Permanent School Fund15,819$1.24M0.01%+3,961+33.4%Added
Jump Financial, LLC14,862$1.16M0.05%−171−1.1%Reduced
Quadrature Capital Ltd14,852$1.16M0.03%+11,206+307.4%Added
FMR LLC14,579$1.14M0.00%−18,245−55.6%Reduced
The PNC Financial Services Group, Inc.14,184$1.11M0.00%+49+0.3%Added
Magellan Asset Management Ltd14,181$1.11M0.01%−1,175−7.7%Reduced
State of Tennessee, Treasury Department12,942$1.01M0.00%+3,977+44.4%Added
Balyasny Asset Management LLC12,937$1.01M0.00%+12,937New
BNP Paribas Arbitrage, SA12,440$971.8K0.00%+7,578+155.9%Added
State of Alaska, Department of Revenue12,078$943.0K0.01%−204−1.7%Reduced
Zimmer Partners, LP11,500$898.4K0.02%+11,500New
Price T Rowe Associates Inc10,844$848.0K0.00%+315+3.0%Added
Main Street Financial Solutions, LLC10,429$814.7K0.12%00.0%Unchanged
Manchester Capital Management LLC10,414$813.5K0.11%00.0%Unchanged
Campbell & CO Investment Adviser LLC10,155$793.3K0.15%+1,812+21.7%Added
Wells Fargo & Company10,057$785.7K0.00%+2,749+37.6%Added
Yousif Capital Management, LLC9,925$775.3K0.01%−1,325−11.8%Reduced
New York State Teachers Retirement System9,611$751.0K0.00%−200−2.0%Reduced
American International Group, Inc.9,497$741.9K0.00%+40+0.4%Added
Raymond James Financial Services Advisors, Inc.9,291$725.8K0.00%−336−3.5%Reduced
Private Advisor Group, LLC9,268$724.0K0.01%+9,268New
MetLife Investment Management9,267$723.9K0.01%00.0%Unchanged
Advisor Group Holdings, Inc.9,219$720.3K0.00%+10.0%Added
Victory Capital Management Inc9,180$717.1K0.00%−651−6.6%Reduced
New York State Common Retirement Fund9,149$714.7K0.00%−3,901−29.9%Reduced
Barclays PLC8,932$697.8K0.00%+475+5.6%Added
Citigroup Inc8,736$682.5K0.00%−2,548−22.6%Reduced
Louisiana State Employees Retirement System8,200$640.6K0.02%−200−2.4%Reduced
Clean Yield Group8,161$637.5K0.27%−248−2.9%Reduced
Royal Bank of Canada8,147$637.0K0.00%−1,968−19.5%Reduced
Amalgamated Bank8,011$626.0K0.01%−500−5.9%Reduced
Parcion Private Wealth LLC8,000$625.0K0.07%00.0%Unchanged
Affinity Wealth Management LLC8,000$625.0K0.15%+8,000New
Janus Henderson Group PLC7,783$607.4K0.00%+4,234+119.3%Added
Exchange Traded Concepts, LLC7,224$564.3K0.02%−7,919−52.3%Reduced
Maryland State Retirement & Pension System7,103$554.9K0.01%−144−2.0%Reduced