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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, Q4 2023

Institutional positions in Middlesex Water Co as of Dec 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
191
+7 vs. Q3 2023
Shares held
13.0M
+511.5K (+4.1%) vs. Q3 2023
Total value
$854.4M
+$25.5M (+3.1%) vs. Q3 2023
New holders
25
69 more added
Sold out
18
59 more reduced

2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2023: 191 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 heldQ4 2023: $854.4M
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, Q4 2023

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q3 2023.

Institutions holding MSEX in Q4 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Maryland State Retirement & Pension System6,537$429.0K0.01%00.0%Unchanged
Blackhill Capital Inc6,666$437.4K0.04%00.0%Unchanged
Affinity Wealth Management LLC7,000$459.3K0.09%−1,000−12.5%Reduced
Clean Yield Group7,225$474.1K0.20%−560−7.2%Reduced
Voya Investment Management LLC7,248$475.6K0.00%+83+1.2%Added
New York State Common Retirement Fund7,253$475.9K0.00%−32−0.4%Reduced
Ethic Inc.7,289$478.3K0.01%+3,670+101.4%Added
Exchange Traded Concepts, LLC7,492$491.6K0.01%00.0%Unchanged
Amalgamated Bank7,647$502.0K0.00%−177−2.3%Reduced
Raymond James Financial Services Advisors, Inc.7,999$524.9K0.00%−1,156−12.6%Reduced
Parcion Private Wealth LLC8,000$525.0K0.05%00.0%Unchanged
Tower Research Capital LLC (TRC)8,197$537.9K0.01%+7,617+1,313.3%Added
Occudo Quantitative Strategies LP8,320$546.0K0.07%+2,330+38.9%Added
Wells Fargo & Company8,566$562.1K0.00%+918+12.0%Added
Manufacturers Life Insurance Company, The8,566$562.1K0.00%−170−1.9%Reduced
Yousif Capital Management, LLC8,818$578.6K0.01%+20+0.2%Added
Louisiana State Employees Retirement System8,900$584.0K0.01%−100−1.1%Reduced
Royal Bank of Canada9,068$595.0K0.00%+606+7.2%Added
Janus Henderson Group PLC9,061$595.2K0.00%−2,315−20.3%Reduced
New York State Teachers Retirement System9,111$598.0K0.00%00.0%Unchanged
Victory Capital Management Inc9,183$602.6K0.00%−161−1.7%Reduced
MetLife Investment Management9,267$608.1K0.00%00.0%Unchanged
American International Group, Inc.9,553$626.9K0.00%−78−0.8%Reduced
Illinois Municipal Retirement Fund9,852$646.0K0.01%−822−7.7%Reduced
Comerica Bank10,159$666.6K0.00%−1,279−11.2%Reduced
Private Advisor Group, LLC10,183$668.2K0.01%+342+3.5%Added
Advisor Group Holdings, Inc.10,225$671.0K0.00%−7,723−43.0%Reduced
Main Street Financial Solutions, LLC10,447$685.5K0.09%+200+2.0%Added
Susquehanna International Group, LLP10,553$692.5K0.00%+4,107+63.7%Added
Deutsche Bank AG10,774$707.0K0.00%−165−1.5%Reduced
State of Alaska, Department of Revenue10,955$718.0K0.01%−96−0.9%Reduced
Citigroup Inc11,177$733.4K0.00%+3,623+48.0%Added
Two Sigma Advisers, LP12,200$800.6K0.00%+2,400+24.5%Added
BNP Paribas Arbitrage, SA13,659$896.3K0.00%−7,752−36.2%Reduced
The PNC Financial Services Group, Inc.13,936$914.5K0.00%+15+0.1%Added
Voloridge Investment Management, LLC14,559$955.4K0.00%−4,134−22.1%Reduced
CI Private Wealth, LLC14,756$968.3K0.00%+638+4.5%Added
Price T Rowe Associates Inc14,784$971.0K0.00%+2,455+19.9%Added
Magellan Asset Management Ltd14,898$977.6K0.01%−1,815−10.9%Reduced
Texas Permanent School Fund15,376$1.01M0.01%+310+2.1%Added
Thrivent Financial for Lutherans15,867$1.04M0.00%−369−2.3%Reduced
Cerity Partners LLC16,055$1.05M0.00%+433+2.8%Added
Oppenheimer & Co Inc17,463$1.15M0.02%+484+2.9%Added
Great West Life Assurance Co17,743$1.16M0.00%+2,451+16.0%Added
California State Teachers Retirement System18,698$1.23M0.00%−801−4.1%Reduced
Gabelli Funds LLC19,450$1.28M0.01%00.0%Unchanged
Prudential Financial Inc20,594$1.35M0.00%−85−0.4%Reduced
HighTower Advisors, LLC22,129$1.45M0.00%−1,517−6.4%Reduced
Storebrand Asset Management AS22,296$1.46M0.01%−2,597−10.4%Reduced
Citadel Advisors LLC23,009$1.51M0.00%+15,734+216.3%Added
Jane Street Group, LLC24,800$1.63M0.00%+24,800New
Credit Suisse AG25,200$1.65M0.00%+2,000+8.6%Added
Alliancebernstein L.P.25,540$1.68M0.00%−356−1.4%Reduced
UBS Asset Management Americas Inc26,558$1.74M0.00%+2,348+9.7%Added
Bank of America Corp27,100$1.78M0.00%+5,375+24.7%Added
Goldman Sachs Group Inc29,020$1.90M0.00%+12,037+70.9%Added
Barclays PLC29,849$1.96M0.00%+19,358+184.5%Added
Swiss National Bank34,962$2.29M0.00%−3,900−10.0%Reduced
Public Sector Pension Investment Board36,957$2.43M0.02%+15,021+68.5%Added
UBS Group AG38,492$2.53M0.00%+9,913+34.7%Added
State of New Jersey Common Pension Fund D39,230$2.57M0.01%+6,391+19.5%Added
Foundry Partners, LLC46,085$3.02M0.18%+46,085New
Nuveen Asset Management, LLC49,599$3.25M0.00%+444+0.9%Added
Assenagon Asset Management S.A.51,137$3.36M0.01%+26,415+106.8%Added
Penn Capital Management Co Inc51,916$3.41M0.31%00.0%Unchanged
Rhumbline Advisers58,495$3.84M0.00%−1,094−1.8%Reduced
Ameriprise Financial Inc60,153$3.95M0.00%−4,562−7.0%Reduced
JPMorgan Chase & Co60,318$3.96M0.00%+18,878+45.6%Added
Principal Financial Group Inc92,565$6.07M0.00%−2,363−2.5%Reduced
Thematics Asset Management95,000$6.23M0.27%00.0%Unchanged
TSP Capital Management Group, LLC113,484$7.45M2.58%−1,972−1.7%Reduced
ProShare Advisors LLC119,214$7.82M0.02%+8,867+8.0%Added
Amundi128,959$8.12M0.00%+4,803+3.9%Added
Charles Schwab Investment Management Inc146,041$9.58M0.00%+7,893+5.7%Added
Legal & General Group Plc169,936$11.2M0.00%−4,528−2.6%Reduced
Bank of New York Mellon Corp170,833$11.2M0.00%−18,103−9.6%Reduced
First Manhattan Co192,988$12.7M0.04%+3,267+1.7%Added
Renaissance Technologies LLC206,400$13.5M0.02%+4,300+2.1%Added
Northern Trust Corp207,052$13.6M0.00%−7,180−3.4%Reduced
Ledgewood Wealth Advisors, LLC224,995$14.8M13.63%+224,995New
KBC Group NV255,015$16.7M0.06%−2,911−1.1%Reduced
Invesco Ltd.283,930$18.6M0.00%−42,113−12.9%Reduced
Geode Capital Management, LLC390,542$25.6M0.00%+22,372+6.1%Added
T. Rowe Price Investment Management, Inc.409,606$26.9M0.02%+156,852+62.1%Added
Morgan Stanley434,317$28.5M0.00%+51,071+13.3%Added
Dimensional Fund Advisors LP467,032$30.6M0.01%+1,546+0.3%Added
State Street Corp706,598$46.4M0.00%+23,493+3.4%Added
Pictet Asset Management Holding SA750,306$49.2M0.05%−97,767−11.5%Reduced
First Trust Advisors LP1,214,004$79.7M0.09%−18,748−1.5%Reduced
Vanguard Group Inc1,427,157$93.7M0.00%+20,712+1.5%Added
BlackRock Inc.3,272,519$214.7M0.01%+51,146+1.6%Added
Proequities, Inc.0$00.00%−150−100.0%Sold out
SG Americas Securities, LLC0$00.00%−32,578−100.0%Sold out
Everence Capital Management Inc0$00.00%−7,570−100.0%Sold out
Quadrature Capital Ltd0$00.00%−7,533−100.0%Sold out
CenterBook Partners LP0$00.00%−5,680−100.0%Sold out
Balyasny Asset Management LLC0$00.00%−4,884−100.0%Sold out
American Century Companies Inc0$00.00%−4,197−100.0%Sold out
Wealth Enhancement Advisory Services, LLC0$00.00%−4,088−100.0%Sold out
Trust Co0$00.00%−3,840−100.0%Sold out