Skip to main content

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 2023

Institutional positions in Middlesex Water Co as of Jun 30, 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
185
−14 vs. Q1 2023
Shares held
12.5M
+752.3K (+6.4%) vs. Q1 2023
Total value
$1.01B
+$89.9M (+9.8%) vs. Q1 2023
New holders
20
59 more added
Sold out
34
64 more reduced

2 institutions that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 2023: 185 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 2023: $1.01B
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 2023

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q1 2023.

Institutions holding MSEX in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Affinity Wealth Management LLC8,000$645.3K0.15%00.0%Unchanged
Parcion Private Wealth LLC8,000$645.3K0.07%00.0%Unchanged
Amalgamated Bank8,034$648.0K0.01%+23+0.3%Added
Clean Yield Group8,060$650.1K0.27%−101−1.2%Reduced
Raymond James Financial Services Advisors, Inc.9,216$743.4K0.00%−75−0.8%Reduced
MetLife Investment Management9,267$747.5K0.01%00.0%Unchanged
Louisiana State Employees Retirement System9,300$750.1K0.02%+1,100+13.4%Added
BNP Paribas Arbitrage, SA9,351$754.3K0.00%−3,089−24.8%Reduced
New York State Teachers Retirement System9,411$759.0K0.00%−200−2.1%Reduced
American International Group, Inc.9,424$760.1K0.00%−73−0.8%Reduced
Yousif Capital Management, LLC9,426$760.3K0.01%−499−5.0%Reduced
Private Advisor Group, LLC9,840$793.7K0.01%+572+6.2%Added
State of Tennessee, Treasury Department10,088$813.7K0.00%−2,854−22.1%Reduced
Manchester Capital Management LLC10,414$840.0K0.11%00.0%Unchanged
Main Street Financial Solutions, LLC10,429$841.2K0.11%00.0%Unchanged
Advisor Group Holdings, Inc.10,512$848.0K0.00%+1,293+14.0%Added
Tudor Investment Corp Et Al10,963$884.3K0.01%−33,419−75.3%Reduced
Price T Rowe Associates Inc11,012$889.0K0.00%+168+1.5%Added
State of Alaska, Department of Revenue11,634$938.0K0.01%−444−3.7%Reduced
Wells Fargo & Company12,075$974.0K0.00%+2,018+20.1%Added
CI Private Wealth, LLC12,426$1.00M0.00%+8,823+244.9%Added
FMR LLC12,829$1.03M0.00%−1,750−12.0%Reduced
Susquehanna International Group, LLP13,226$1.07M0.00%−4,098−23.7%Reduced
Citigroup Inc13,423$1.08M0.00%+4,687+53.7%Added
Quadrature Capital Ltd13,673$1.10M0.02%−1,179−7.9%Reduced
Magellan Asset Management Ltd13,830$1.12M0.01%−351−2.5%Reduced
The PNC Financial Services Group, Inc.14,097$1.14M0.00%−87−0.6%Reduced
HBK Investments L P14,309$1.15M0.04%+14,309New
Great West Life Assurance Co15,170$1.22M0.00%−2,656−14.9%Reduced
Texas Permanent School Fund15,561$1.26M0.01%−258−1.6%Reduced
Bank of America Corp15,920$1.28M0.00%−7,722−32.7%Reduced
Millennium Management LLC16,530$1.33M0.00%−136,703−89.2%Reduced
Two Sigma Advisers, LP16,700$1.35M0.00%−10,900−39.5%Reduced
Financial Architects, Inc16,827$1.36M0.20%+576+3.5%Added
Thrivent Financial for Lutherans16,914$1.36M0.00%−566−3.2%Reduced
Oppenheimer & Co Inc18,307$1.48M0.03%−862−4.5%Reduced
Gabelli Funds LLC19,450$1.57M0.01%−300−1.5%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys19,986$1.61M0.01%+1,309+7.0%Added
California State Teachers Retirement System21,383$1.72M0.00%−573−2.6%Reduced
Prudential Financial Inc21,814$1.76M0.00%+4,607+26.8%Added
Deutsche Bank AG21,872$1.76M0.00%−5,873−21.2%Reduced
Balyasny Asset Management LLC22,287$1.80M0.01%+9,350+72.3%Added
UBS Asset Management Americas Inc23,378$1.83M0.00%00.0%Unchanged
Credit Suisse AG24,017$1.94M0.00%+1,377+6.1%Added
Barclays PLC24,776$2.00M0.00%+15,844+177.4%Added
Storebrand Asset Management AS24,893$2.01M0.01%+492+2.0%Added
Alliancebernstein L.P.25,237$2.04M0.00%−387−1.5%Reduced
State of New Jersey Common Pension Fund D29,447$2.38M0.01%+2,171+8.0%Added
Cerity Partners LLC31,290$2.52M0.01%+16,855+116.8%Added
Public Sector Pension Investment Board31,384$2.53M0.02%+361+1.2%Added
Voloridge Investment Management, LLC31,702$2.56M0.01%−16,854−34.7%Reduced
JPMorgan Chase & Co35,147$2.83M0.00%−5,308−13.1%Reduced
Swiss National Bank38,462$3.10M0.00%+300+0.8%Added
Goldman Sachs Group Inc39,891$3.22M0.00%−184,182−82.2%Reduced
State of Wisconsin Investment Board39,909$3.22M0.01%+11,275+39.4%Added
Citadel Advisors LLC41,133$3.32M0.00%−12,733−23.6%Reduced
UBS Group AG43,675$3.52M0.00%+10,339+31.0%Added
Allspring Global Investments Holdings, LLC46,312$3.74M0.01%+39,540+583.9%Added
HighTower Advisors, LLC47,060$3.80M0.01%−117−0.2%Reduced
Penn Capital Management Co Inc51,916$4.19M0.41%−350−0.7%Reduced
Rhumbline Advisers61,849$4.99M0.01%+9,367+17.8%Added
Thematics Asset Management70,000$5.65M0.27%+70,000New
Ameriprise Financial Inc71,734$5.79M0.00%−1,834−2.5%Reduced
Nuveen Asset Management, LLC82,084$6.62M0.00%+32,208+64.6%Added
Principal Financial Group Inc100,702$8.12M0.01%−5,752−5.4%Reduced
ProShare Advisors LLC101,608$8.20M0.02%−26,434−20.6%Reduced
TSP Capital Management Group, LLC116,528$9.40M3.39%−998−0.8%Reduced
Amundi121,098$9.76M0.00%+4,428+3.8%Added
Charles Schwab Investment Management Inc136,709$11.0M0.00%+4,246+3.2%Added
First Manhattan Co171,621$13.8M0.05%−23,634−12.1%Reduced
Legal & General Group Plc176,054$14.2M0.00%+4,944+2.9%Added
Renaissance Technologies LLC196,616$15.9M0.02%−14,484−6.9%Reduced
Bank of New York Mellon Corp197,733$15.9M0.00%−5,941−2.9%Reduced
Northern Trust Corp214,020$17.3M0.00%+2,487+1.2%Added
KBC Group NV219,683$17.7M0.07%+6,434+3.0%Added
T. Rowe Price Investment Management, Inc.252,754$20.4M0.01%+93,532+58.7%Added
Geode Capital Management, LLC355,860$28.7M0.00%+13,933+4.1%Added
Invesco Ltd.374,172$30.2M0.01%−100,005−21.1%Reduced
Morgan Stanley374,809$30.2M0.00%−19,389−4.9%Reduced
Dimensional Fund Advisors LP467,478$37.7M0.01%+9,721+2.1%Added
State Street Corp664,443$53.6M0.00%+21,993+3.4%Added
Pictet Asset Management SA882,872$71.2M0.08%+125,224+16.5%Added
First Trust Advisors LP1,095,054$88.3M0.10%+884,528+420.2%Added
Vanguard Group Inc1,403,545$113.2M0.00%+1,511+0.1%Added
BlackRock Inc.3,174,140$256.0M0.01%+610,226+23.8%Added
HSBC Holdings PLC0$00.00%−171,719−100.0%Sold out
Ergoteles LLC0$00.00%−95,715−100.0%Sold out
Cubist Systematic Strategies, LLC0$00.00%−89,118−100.0%Sold out
Assenagon Asset Management S.A.0$00.00%−71,982−100.0%Sold out
HRT Financial LP0$00.00%−52,602−100.0%Sold out
Two Sigma Investments, LP0$00.00%−37,140−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−20,769−100.0%Sold out
ExodusPoint Capital Management, LP0$00.00%−17,990−100.0%Sold out
Allianz Asset Management GmbH0$00.00%−16,400−100.0%Sold out
SG Americas Securities, LLC0$00.00%−16,227−100.0%Sold out
Zimmer Partners, LP0$00.00%−11,500−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−10,155−100.0%Sold out
Gsa Capital Partners LLP0$00.00%−6,563−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−6,122−100.0%Sold out
Engineers Gate Manager LP0$00.00%−6,113−100.0%Sold out