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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 2024

Institutional positions in Middlesex Water Co as of Dec 31, 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
210
+12 vs. Q3 2024
Shares held
13.6M
−255.7K (−1.9%) vs. Q3 2024
Total value
$713.2M
−$187.4M (−20.8%) vs. Q3 2024
New holders
29
70 more added
Sold out
17
59 more reduced

1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 210 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 2024: $713.2M
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 2024

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q3 2024.

Institutions holding MSEX in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Centiva Capital, LP6,502$342.2K0.01%+6,502New
Royal Bank of Canada6,618$349.0K0.00%−1,920−22.5%Reduced
Blackhill Capital Inc6,666$350.8K0.02%00.0%Unchanged
Yousif Capital Management, LLC6,693$352.3K0.00%−168−2.4%Reduced
Tower Research Capital LLC (TRC)6,758$355.7K0.01%+5,150+320.3%Added
Clean Yield Group6,925$364.5K0.12%00.0%Unchanged
KLP Kapitalforvaltning AS7,200$378.9K0.00%+7,200New
Balyasny Asset Management LLC7,332$385.9K0.00%+4,002+120.2%Added
Intech Investment Management LLC7,364$387.6K0.00%+3,203+77.0%Added
Bank of Montreal7,474$393.4K0.00%+250+3.5%Added
Comerica Bank7,537$396.7K0.00%−340−4.3%Reduced
CWM Advisors, LLC7,633$401.7K0.04%+1,315+20.8%Added
Creative Planning7,720$406.3K0.00%−90−1.2%Reduced
Russell Investments Group, Ltd.7,991$420.6K0.00%+813+11.3%Added
Parcion Private Wealth LLC8,000$421.0K0.03%00.0%Unchanged
Aquatic Capital Management LLC8,130$427.9K0.01%+8,130New
Daiwa Securities Group Inc.8,313$438.0K0.00%+1,186+16.6%Added
Manufacturers Life Insurance Company, The8,419$443.1K0.00%−386−4.4%Reduced
Mariner, LLC8,545$449.7K0.00%−86−1.0%Reduced
Commonwealth Equity Services, LLC8,579$452.0K0.00%−7−0.1%Reduced
Susquehanna International Group, LLP8,597$452.5K0.00%+3,271+61.4%Added
Louisiana State Employees Retirement System8,600$452.6K0.01%00.0%Unchanged
New York State Teachers Retirement System8,911$469.0K0.00%00.0%Unchanged
Janus Henderson Group PLC8,972$471.5K0.00%00.0%Unchanged
Corebridge Financial, Inc.9,411$495.3K0.00%−735−7.2%Reduced
SG Americas Securities, LLC9,595$505.0K0.00%−13,771−58.9%Reduced
Raymond James Financial Inc9,919$522.0K0.00%+9,919New
State of Alaska, Department of Revenue10,115$532.0K0.01%−63−0.6%Reduced
Main Street Financial Solutions, LLC10,447$549.8K0.05%00.0%Unchanged
Illinois Municipal Retirement Fund10,513$553.3K0.01%+1,009+10.6%Added
Advisor Group Holdings, Inc.10,529$554.2K0.00%+3,249+44.6%Added
MetLife Investment Management10,601$557.9K0.00%+602+6.0%Added
FMR LLC10,654$560.7K0.00%+3,636+51.8%Added
Private Advisor Group, LLC10,964$577.0K0.00%−24−0.2%Reduced
State of Wisconsin Investment Board11,628$612.0K0.00%−238−2.0%Reduced
Toroso Investments, LLC11,663$613.8K0.01%−495−4.1%Reduced
DRW Securities, LLC12,199$642.0K0.04%+12,199New
Magellan Asset Management Ltd12,288$646.7K0.01%−5,312−30.2%Reduced
Wells Fargo & Company12,613$663.8K0.00%+1,522+13.7%Added
Walleye Capital LLC12,831$675.3K0.01%+12,831New
Mirae Asset Global ETFs Holdings Ltd.12,863$677.0K0.00%+702+5.8%Added
Franklin Resources Inc13,111$690.0K0.00%+13,111New
Cubist Systematic Strategies, LLC13,730$722.6K0.01%+13,730New
Thrivent Financial for Lutherans13,801$726.0K0.00%−201−1.4%Reduced
Storebrand Asset Management AS14,400$757.9K0.00%00.0%Unchanged
Two Sigma Investments, LP15,755$829.2K0.00%+15,755New
D. E. Shaw & Co., Inc.15,776$830.3K0.00%+9,013+133.3%Added
California State Teachers Retirement System16,670$877.3K0.00%−174−1.0%Reduced
The PNC Financial Services Group, Inc.16,801$884.2K0.00%+59+0.4%Added
Deutsche Bank AG17,214$906.0K0.00%+5,140+42.6%Added
HighTower Advisors, LLC17,321$911.6K0.00%−974−5.3%Reduced
Prudential Financial Inc17,794$936.5K0.00%−550−3.0%Reduced
Cerity Partners LLC17,716$960.5K0.00%−2,529−12.5%Reduced
Davy Global Fund Management Ltd18,767$987.7K0.12%−2,566−12.0%Reduced
Assenagon Asset Management S.A.19,066$1.00M0.00%−55,880−74.6%Reduced
Gabelli Funds LLC19,450$1.02M0.01%00.0%Unchanged
Winton Group Ltd19,471$1.02M0.07%+19,471New
Oppenheimer & Co Inc19,863$1.05M0.02%+202+1.0%Added
CI Private Wealth, LLC19,942$1.05M0.00%−3,648−15.5%Reduced
Great West Life Assurance Co20,614$1.08M0.00%+443+2.2%Added
Price T Rowe Associates Inc20,713$1.09M0.00%+1,228+6.3%Added
Alliancebernstein L.P.21,443$1.13M0.00%00.0%Unchanged
Ethic Inc.23,667$1.25M0.03%+13,226+126.7%Added
Jackson Creek Investment Advisors LLC23,666$1.25M0.38%+23,666New
Squarepoint Ops LLC25,373$1.34M0.00%+13,786+119.0%Added
TD Asset Management Inc25,588$1.35M0.00%+5,460+27.1%Added
Citigroup Inc25,974$1.37M0.00%+2,345+9.9%Added
LPL Financial LLC26,921$1.42M0.00%+4,415+19.6%Added
Citadel Advisors LLC27,163$1.43M0.00%+4,656+20.7%Added
Duff & Phelps Investment Management Co28,180$1.48M0.02%−7,473−21.0%Reduced
American Century Companies Inc29,538$1.55M0.00%+11,402+62.9%Added
Barclays PLC31,276$1.65M0.00%+1,357+4.5%Added
Qube Research & Technologies Ltd34,107$1.80M0.00%+34,107New
Swiss National Bank34,962$1.84M0.00%00.0%Unchanged
Millennium Management LLC42,260$2.22M0.00%+42,260New
Public Sector Pension Investment Board44,624$2.35M0.01%+6,840+18.1%Added
HRT Financial LP49,292$2.59M0.01%+49,292New
Nuveen Asset Management, LLC49,599$2.61M0.00%00.0%Unchanged
HSBC Holdings PLC50,126$2.62M0.00%+50,126New
UBS Group AG50,165$2.64M0.00%−1,238−2.4%Reduced
Ameriprise Financial Inc51,434$2.71M0.00%−3,635−6.6%Reduced
Rhumbline Advisers54,303$2.86M0.00%−5,919−9.8%Reduced
UBS Asset Management Americas Inc56,873$2.99M0.00%+7,562+15.3%Added
Bank of America Corp57,260$3.01M0.00%+16,665+41.1%Added
Penn Capital Management Co Inc74,082$3.90M0.38%−8,574−10.4%Reduced
Principal Financial Group Inc86,640$4.56M0.00%+2,544+3.0%Added
Jane Street Group, LLC91,530$4.82M0.01%+80,779+751.4%Added
JPMorgan Chase & Co92,560$4.87M0.00%+60,337+187.2%Added
Cramer Rosenthal McGlynn LLC102,385$5.39M0.30%−3,394−3.2%Reduced
TSP Capital Management Group, LLC109,288$5.75M1.95%−350−0.3%Reduced
Amundi128,526$6.47M0.00%+8,848+7.4%Added
ProShare Advisors LLC133,629$7.03M0.02%+15,878+13.5%Added
Goldman Sachs Group Inc154,034$8.11M0.00%+33,275+27.6%Added
Renaissance Technologies LLC161,213$8.48M0.01%−26,387−14.1%Reduced
Charles Schwab Investment Management Inc172,472$9.08M0.00%+5,191+3.1%Added
First Manhattan Co178,175$9.44M0.03%−8,448−4.5%Reduced
Thematics Asset Management181,000$9.53M0.42%00.0%Unchanged
Legal & General Group Plc195,836$10.3M0.00%−215−0.1%Reduced
Bank of New York Mellon Corp214,913$11.3M0.00%+6,983+3.4%Added
Northern Trust Corp223,361$11.8M0.00%+23,289+11.6%Added