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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, Q3 2023

Institutional positions in Middlesex Water Co as of Sep 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
186
+4 vs. Q2 2023
Shares held
12.5M
+880.7K (+7.6%) vs. Q2 2023
Total value
$829.0M
−$109.4M (−11.7%) vs. Q2 2023
New holders
24
55 more added
Sold out
20
66 more reduced

3 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2023: 186 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 heldQ3 2023: $829.0M
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, Q3 2023

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q2 2023.

Institutions holding MSEX in Q3 2023
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,221,373$213.4M0.01%+47,233+1.5%Added
Vanguard Group Inc1,406,445$93.2M0.00%+2,900+0.2%Added
First Trust Advisors LP1,232,752$81.7M0.10%+137,698+12.6%Added
Pictet Asset Management Holding SA848,073$56.2M0.07%+848,073New
State Street Corp683,105$45.3M0.00%+18,662+2.8%Added
Dimensional Fund Advisors LP465,486$30.8M0.01%−1,992−0.4%Reduced
Morgan Stanley383,246$25.4M0.00%+8,437+2.3%Added
Geode Capital Management, LLC368,170$24.4M0.00%+12,310+3.5%Added
Invesco Ltd.326,043$21.6M0.01%−48,129−12.9%Reduced
KBC Group NV257,926$17.1M0.07%+38,243+17.4%Added
T. Rowe Price Investment Management, Inc.252,754$16.7M0.01%00.0%Unchanged
Northern Trust Corp214,232$14.2M0.00%+212+0.1%Added
Renaissance Technologies LLC202,100$13.4M0.02%+5,484+2.8%Added
First Manhattan Co189,721$12.6M0.05%+18,100+10.5%Added
Bank of New York Mellon Corp188,936$12.5M0.00%−8,797−4.4%Reduced
Legal & General Group Plc174,464$11.6M0.00%−1,590−0.9%Reduced
Charles Schwab Investment Management Inc138,148$9.15M0.00%+1,439+1.1%Added
Amundi124,156$8.09M0.00%+3,058+2.5%Added
TSP Capital Management Group, LLC115,456$7.65M2.95%−1,072−0.9%Reduced
ProShare Advisors LLC110,347$7.31M0.02%+8,739+8.6%Added
Thematics Asset Management95,000$6.29M0.31%+25,000+35.7%Added
Principal Financial Group Inc94,928$6.29M0.00%−5,774−5.7%Reduced
Ameriprise Financial Inc64,715$4.29M0.00%−7,019−9.8%Reduced
Rhumbline Advisers59,589$3.95M0.00%−2,260−3.7%Reduced
Penn Capital Management Co Inc51,916$3.44M0.35%00.0%Unchanged
Nuveen Asset Management, LLC49,155$3.26M0.00%−32,929−40.1%Reduced
JPMorgan Chase & Co41,440$2.75M0.00%+6,293+17.9%Added
Swiss National Bank38,862$2.57M0.00%+400+1.0%Added
Allspring Global Investments Holdings, LLC33,135$2.20M0.00%−13,177−28.5%Reduced
State of New Jersey Common Pension Fund D32,839$2.18M0.01%+3,392+11.5%Added
SG Americas Securities, LLC32,578$2.16M0.03%+32,578New
UBS Group AG28,579$1.89M0.00%−15,096−34.6%Reduced
Alliancebernstein L.P.25,896$1.72M0.00%+659+2.6%Added
Storebrand Asset Management AS24,893$1.65M0.01%00.0%Unchanged
Assenagon Asset Management S.A.24,722$1.64M0.01%+24,722New
UBS Asset Management Americas Inc24,210$1.60M0.00%+832+3.6%Added
HighTower Advisors, LLC23,646$1.56M0.00%−23,414−49.8%Reduced
Credit Suisse AG23,200$1.54M0.00%−817−3.4%Reduced
Public Sector Pension Investment Board21,936$1.45M0.01%−9,448−30.1%Reduced
Bank of America Corp21,725$1.44M0.00%+5,805+36.5%Added
BNP Paribas Arbitrage, SA21,411$1.42M0.00%+12,060+129.0%Added
Prudential Financial Inc20,679$1.37M0.00%−1,135−5.2%Reduced
California State Teachers Retirement System19,499$1.29M0.00%−1,884−8.8%Reduced
Gabelli Funds LLC19,450$1.29M0.01%00.0%Unchanged
Voloridge Investment Management, LLC18,693$1.24M0.01%−13,009−41.0%Reduced
Advisor Group Holdings, Inc.17,948$1.19M0.00%+7,436+70.7%Added
Goldman Sachs Group Inc16,983$1.13M0.00%−22,908−57.4%Reduced
Oppenheimer & Co Inc16,979$1.12M0.02%−1,328−7.3%Reduced
Magellan Asset Management Ltd16,713$1.11M0.01%+2,883+20.8%Added
Thrivent Financial for Lutherans16,236$1.08M0.00%−678−4.0%Reduced
Cerity Partners LLC15,622$1.04M0.01%−15,668−50.1%Reduced
Great West Life Assurance Co15,292$1.01M0.00%+122+0.8%Added
Texas Permanent School Fund15,066$998.1K0.01%−495−3.2%Reduced
CI Private Wealth, LLC14,118$935.3K0.00%+1,692+13.6%Added
The PNC Financial Services Group, Inc.13,921$922.3K0.00%−176−1.2%Reduced
Price T Rowe Associates Inc12,329$817.0K0.00%+1,317+12.0%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys11,865$786.1K0.01%−8,121−40.6%Reduced
Comerica Bank11,438$757.8K0.00%+11,438New
Janus Henderson Group PLC11,376$754.1K0.00%+3,602+46.3%Added
State of Alaska, Department of Revenue11,051$732.0K0.01%−583−5.0%Reduced
Deutsche Bank AG10,939$724.7K0.00%−10,933−50.0%Reduced
Illinois Municipal Retirement Fund10,674$707.0K0.01%+10,674New
Barclays PLC10,491$695.0K0.00%−14,285−57.7%Reduced
Main Street Financial Solutions, LLC10,247$678.9K0.10%−182−1.7%Reduced
Private Advisor Group, LLC9,841$652.0K0.01%+10.0%Added
Two Sigma Advisers, LP9,800$649.3K0.00%−6,900−41.3%Reduced
American International Group, Inc.9,631$638.1K0.00%+207+2.2%Added
Victory Capital Management Inc9,344$619.0K0.00%+2,411+34.8%Added
MetLife Investment Management9,267$613.9K0.00%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.9,155$606.5K0.00%−61−0.7%Reduced
New York State Teachers Retirement System9,111$604.0K0.00%−300−3.2%Reduced
State of Tennessee, Treasury Department9,107$603.3K0.00%−981−9.7%Reduced
Louisiana State Employees Retirement System9,000$596.3K0.01%−300−3.2%Reduced
Yousif Capital Management, LLC8,798$582.9K0.01%−628−6.7%Reduced
Manufacturers Life Insurance Company, The8,736$578.8K0.00%+1,636+23.0%Added
Royal Bank of Canada8,462$560.0K0.00%+642+8.2%Added
Affinity Wealth Management LLC8,000$530.0K0.12%00.0%Unchanged
Parcion Private Wealth LLC8,000$530.0K0.05%00.0%Unchanged
Clean Yield Group7,785$524.2K0.23%−275−3.4%Reduced
Amalgamated Bank7,824$518.0K0.00%−210−2.6%Reduced
Wells Fargo & Company7,648$506.7K0.00%−4,427−36.7%Reduced
Everence Capital Management Inc7,570$502.0K0.04%+1,530+25.3%Added
Citigroup Inc7,554$500.5K0.00%−5,869−43.7%Reduced
Quadrature Capital Ltd7,533$499.5K0.01%−6,140−44.9%Reduced
Exchange Traded Concepts, LLC7,492$496.3K0.01%+496+7.1%Added
New York State Common Retirement Fund7,285$482.6K0.00%+45+0.6%Added
Citadel Advisors LLC7,275$482.0K0.00%−33,858−82.3%Reduced
Voya Investment Management LLC7,165$474.7K0.00%+122+1.7%Added
Blackhill Capital Inc6,666$441.6K0.04%00.0%Unchanged
LPL Financial LLC6,647$440.4K0.00%−72−1.1%Reduced
Maryland State Retirement & Pension System6,537$433.1K0.01%−352−5.1%Reduced
Susquehanna International Group, LLP6,446$427.0K0.00%−6,780−51.3%Reduced
Commonwealth Equity Services, LLC6,202$411.0K0.00%−49−0.8%Reduced
Janney Montgomery Scott LLC6,195$410.0K0.00%−190−3.0%Reduced
Guyasuta Investment Advisors Inc6,000$397.5K0.03%00.0%Unchanged
Steward Partners Investment Advisory, LLC5,994$397.1K0.01%00.0%Unchanged
Occudo Quantitative Strategies LP5,990$396.8K0.05%+5,990New
Kestra Advisory Services, LLC5,939$393.5K0.00%+5,939New
Cambridge Investment Research Advisors, Inc.5,763$382.0K0.00%+5+0.1%Added
Armstrong Advisory Group, Inc5,708$378.2K0.04%00.0%Unchanged