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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 2024

Institutional positions in Middlesex Water Co as of Jun 30, 2024. 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
197
+7 vs. Q1 2024
Shares held
13.0M
+129.9K (+1.0%) vs. Q1 2024
Total value
$678.3M
+$4.28M (+0.6%) vs. Q1 2024
New holders
26
68 more added
Sold out
19
68 more reduced

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2024: 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 2024: 197 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 2024: $678.3M
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 2024

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q1 2024.

Institutions holding MSEX in Q2 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,360,935$175.6M0.00%−43,275−1.3%Reduced
Vanguard Group Inc1,388,155$72.5M0.00%−42,022−2.9%Reduced
T. Rowe Price Investment Management, Inc.1,259,640$65.8M0.04%+221,429+21.3%Added
State Street Corp760,357$39.7M0.00%+29,484+4.0%Added
Morgan Stanley540,284$28.2M0.00%−61,274−10.2%Reduced
Dimensional Fund Advisors LP452,326$23.6M0.01%−1,851−0.4%Reduced
Geode Capital Management, LLC431,129$22.5M0.00%+30,875+7.7%Added
Invesco Ltd.276,782$14.5M0.00%−133,523−32.5%Reduced
Renaissance Technologies LLC262,700$13.7M0.02%−22,000−7.7%Reduced
KBC Group NV255,015$13.3M0.04%00.0%Unchanged
Legal & General Group Plc228,054$11.9M0.00%+12,772+5.9%Added
Ledgewood Wealth Advisors, LLC225,852$11.8M10.17%+857+0.4%Added
Bank of New York Mellon Corp219,119$11.5M0.00%+24,400+12.5%Added
Northern Trust Corp202,199$10.6M0.00%−667−0.3%Reduced
First Manhattan Co187,758$9.81M0.03%−5,130−2.7%Reduced
Thematics Asset Management171,000$8.94M0.36%+46,000+36.8%Added
Charles Schwab Investment Management Inc160,437$8.38M0.00%+12,031+8.1%Added
Cramer Rosenthal McGlynn LLC136,476$7.13M0.42%+136,476New
ProShare Advisors LLC127,628$6.67M0.02%−23,193−15.4%Reduced
Goldman Sachs Group Inc125,355$6.55M0.00%+59,651+90.8%Added
Amundi120,493$6.35M0.00%−10,537−8.0%Reduced
TSP Capital Management Group, LLC109,635$5.73M1.80%−2,997−2.7%Reduced
Principal Financial Group Inc88,014$4.60M0.00%−4,756−5.1%Reduced
Penn Capital Management Co Inc84,500$4.42M0.42%+23,026+37.5%Added
Qube Research & Technologies Ltd69,635$3.64M0.01%−49,584−41.6%Reduced
Jane Street Group, LLC66,335$3.47M0.00%+35,227+113.2%Added
Rhumbline Advisers62,060$3.24M0.00%+1,288+2.1%Added
Ameriprise Financial Inc61,674$3.22M0.00%−1,408−2.2%Reduced
UBS Asset Management Americas Inc51,713$2.70M0.00%+19,037+58.3%Added
Nuveen Asset Management, LLC49,599$2.59M0.00%00.0%Unchanged
JPMorgan Chase & Co47,533$2.48M0.00%−7,306−13.3%Reduced
Walleye Capital LLC44,792$2.34M0.02%+23,622+111.6%Added
Bank of America Corp40,879$2.14M0.00%+10,688+35.4%Added
Assenagon Asset Management S.A.39,664$2.07M0.01%−43,852−52.5%Reduced
Public Sector Pension Investment Board39,184$2.05M0.01%+2,227+6.0%Added
Duff & Phelps Investment Management Co38,570$2.02M0.03%+38,570New
Citadel Advisors LLC38,561$2.02M0.00%+2,273+6.3%Added
Zimmer Partners, LP37,738$1.97M0.04%+37,738New
D. E. Shaw & Co., Inc.37,003$1.93M0.00%+13,364+56.5%Added
Swiss National Bank34,962$1.83M0.00%00.0%Unchanged
UBS Group AG33,809$1.77M0.00%−9,987−22.8%Reduced
Marshall Wace, LLP24,685$1.29M0.00%+580+2.4%Added
LPL Financial LLC21,867$1.14M0.00%+17,594+411.7%Added
Voloridge Investment Management, LLC21,360$1.12M0.00%−17,604−45.2%Reduced
Price T Rowe Associates Inc20,733$1.08M0.00%+116+0.6%Added
Great West Life Assurance Co20,171$1.05M0.00%+2,372+13.3%Added
TD Asset Management Inc20,128$1.05M0.00%+4,684+30.3%Added
Oppenheimer & Co Inc19,856$1.04M0.02%+1,273+6.9%Added
Alliancebernstein L.P.19,533$1.02M0.00%−3,060−13.5%Reduced
HighTower Advisors, LLC19,600$1.02M0.00%−1,739−8.1%Reduced
Gabelli Funds LLC19,450$1.02M0.01%00.0%Unchanged
Prudential Financial Inc19,114$998.9K0.00%−935−4.7%Reduced
CI Private Wealth, LLC18,749$979.8K0.00%+2,499+15.4%Added
Cerity Partners LLC17,816$931.1K0.00%−1,074−5.7%Reduced
Magellan Asset Management Ltd17,600$919.8K0.01%+2,702+18.1%Added
California State Teachers Retirement System17,369$907.7K0.00%−411−2.3%Reduced
Storebrand Asset Management AS17,040$890.5K0.00%−5,520−24.5%Reduced
The PNC Financial Services Group, Inc.16,941$885.3K0.00%+1,905+12.7%Added
Ethic Inc.16,715$873.5K0.02%+6,274+60.1%Added
Jump Financial, LLC15,561$813.2K0.02%+5,792+59.3%Added
Thrivent Financial for Lutherans14,801$774.0K0.00%−647−4.2%Reduced
BNP Paribas Arbitrage, SA14,351$750.0K0.00%−4,328−23.2%Reduced
Citigroup Inc14,082$735.9K0.00%+1,775+14.4%Added
Two Sigma Investments, LP12,303$643.0K0.00%+12,303New
Toroso Investments, LLC12,158$635.4K0.01%+12,158New
Wells Fargo & Company11,940$624.0K0.00%+3,228+37.1%Added
CenterBook Partners LP11,900$621.9K0.04%−12,252−50.7%Reduced
State of Wisconsin Investment Board11,866$620.1K0.00%−1,211−9.3%Reduced
Private Advisor Group, LLC11,055$577.7K0.00%+868+8.5%Added
Bank of Montreal10,751$576.7K0.00%+10,751New
Mirae Asset Global ETFs Holdings Ltd.10,658$557.0K0.00%+10,658New
Ieq Capital, LLC10,613$554.6K0.01%00.0%Unchanged
State of Alaska, Department of Revenue10,468$547.0K0.01%−380−3.5%Reduced
Main Street Financial Solutions, LLC10,447$546.0K0.05%00.0%Unchanged
MetLife Investment Management10,388$542.9K0.00%+1,121+12.1%Added
Illinois Municipal Retirement Fund10,292$537.9K0.01%+153+1.5%Added
Deutsche Bank AG10,264$536.4K0.00%−1,838−15.2%Reduced
Advisor Group Holdings, Inc.10,262$536.4K0.00%+519+5.3%Added
Corebridge Financial, Inc.10,253$535.8K0.00%+10,253New
Tower Research Capital LLC (TRC)9,562$499.7K0.01%+9,485+12,318.2%Added
Squarepoint Ops LLC9,462$494.5K0.00%+421+4.7%Added
Manufacturers Life Insurance Company, The9,280$485.0K0.00%+767+9.0%Added
New York State Teachers Retirement System9,111$476.0K0.00%00.0%Unchanged
Louisiana State Employees Retirement System9,000$470.3K0.01%+200+2.3%Added
Janus Henderson Group PLC8,972$468.5K0.00%−90−1.0%Reduced
UniSuper Management Pty Ltd8,642$451.6K0.00%+1,000+13.1%Added
Commonwealth Equity Services, LLC8,568$448.0K0.00%+2,149+33.5%Added
Mariner, LLC8,518$445.4K0.00%+4,596+117.2%Added
Millennium Management LLC8,349$436.3K0.00%−2,655−24.1%Reduced
First Trust Advisors LP8,251$431.2K0.00%+8,251New
State of Tennessee, Treasury Department8,223$429.7K0.00%00.0%Unchanged
Comerica Bank8,095$423.0K0.00%−593−6.8%Reduced
Raymond James Financial Services Advisors, Inc.8,065$421.5K0.00%+181+2.3%Added
Parcion Private Wealth LLC8,000$418.1K0.04%00.0%Unchanged
Susquehanna International Group, LLP7,904$413.1K0.00%−43,114−84.5%Reduced
Quantbot Technologies LP7,877$411.7K0.02%+264+3.5%Added
Creative Planning7,765$405.8K0.00%−819−9.5%Reduced
Guyasuta Investment Advisors Inc6,000$393.7K0.03%00.0%Unchanged
Russell Investments Group, Ltd.7,287$380.8K0.00%−2,335−24.3%Reduced
New York State Common Retirement Fund7,248$378.8K0.00%00.0%Unchanged