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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, Q1 2024

Institutional positions in Middlesex Water Co as of Mar 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
191
+1 vs. Q4 2023
Shares held
12.9M
−151.7K (−1.2%) vs. Q4 2023
Total value
$675.4M
−$179.0M (−20.9%) vs. Q4 2023
New holders
26
85 more added
Sold out
25
41 more reduced

1 institution that held it in Q4 2023 haven't filed for Q1 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2024: 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 heldQ1 2024: $675.4M
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, Q1 2024

Shares, value and share of portfolio for each institution holding Middlesex Water Co; share changes are against Q4 2023.

Institutions holding MSEX in Q1 2024
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.3,404,210$178.7M0.00%+131,691+4.0%Added
Vanguard Group Inc1,430,177$75.1M0.00%+3,020+0.2%Added
T. Rowe Price Investment Management, Inc.1,038,211$54.5M0.03%+628,605+153.5%Added
State Street Corp730,873$38.4M0.00%+24,275+3.4%Added
Morgan Stanley601,558$31.6M0.00%+167,241+38.5%Added
Dimensional Fund Advisors LP454,177$23.8M0.01%−12,855−2.8%Reduced
Invesco Ltd.410,305$21.5M0.00%+126,375+44.5%Added
Geode Capital Management, LLC400,254$21.0M0.00%+9,712+2.5%Added
Renaissance Technologies LLC284,700$14.9M0.02%+78,300+37.9%Added
KBC Group NV255,015$13.4M0.04%00.0%Unchanged
Ledgewood Wealth Advisors, LLC224,995$11.8M10.97%00.0%Unchanged
Legal & General Group Plc215,282$11.3M0.00%+45,346+26.7%Added
Northern Trust Corp202,866$10.7M0.00%−4,186−2.0%Reduced
Bank of New York Mellon Corp194,719$10.2M0.00%+23,886+14.0%Added
First Manhattan Co192,888$10.1M0.03%−100−0.1%Reduced
ProShare Advisors LLC150,821$7.92M0.02%+31,607+26.5%Added
Charles Schwab Investment Management Inc148,406$7.79M0.00%+2,365+1.6%Added
Thematics Asset Management125,000$6.56M0.27%+30,000+31.6%Added
Qube Research & Technologies Ltd119,219$6.26M0.01%+119,219New
Amundi131,030$6.11M0.00%+2,071+1.6%Added
TSP Capital Management Group, LLC112,632$5.91M1.90%−852−0.8%Reduced
Principal Financial Group Inc92,770$4.87M0.00%+205+0.2%Added
Assenagon Asset Management S.A.83,516$4.38M0.01%+32,379+63.3%Added
Goldman Sachs Group Inc65,704$3.45M0.00%+36,684+126.4%Added
Ameriprise Financial Inc63,082$3.31M0.00%+2,929+4.9%Added
Penn Capital Management Co Inc61,474$3.23M0.29%+9,558+18.4%Added
Rhumbline Advisers60,772$3.19M0.00%+2,277+3.9%Added
Foundry Partners, LLC56,400$2.96M0.16%+10,315+22.4%Added
State of New Jersey Common Pension Fund D55,079$2.89M0.01%+15,849+40.4%Added
JPMorgan Chase & Co54,839$2.88M0.00%−5,479−9.1%Reduced
Susquehanna International Group, LLP51,018$2.68M0.00%+40,465+383.4%Added
Nuveen Asset Management, LLC49,599$2.60M0.00%00.0%Unchanged
UBS Group AG43,796$2.30M0.00%+5,304+13.8%Added
Voloridge Investment Management, LLC38,964$2.05M0.01%+24,405+167.6%Added
Public Sector Pension Investment Board36,957$1.94M0.01%00.0%Unchanged
Citadel Advisors LLC36,288$1.91M0.00%+13,279+57.7%Added
Swiss National Bank34,962$1.84M0.00%00.0%Unchanged
SG Americas Securities, LLC34,206$1.80M0.01%+34,206New
UBS Asset Management Americas Inc32,676$1.72M0.00%+6,118+23.0%Added
Jane Street Group, LLC31,108$1.63M0.00%+6,308+25.4%Added
Bank of America Corp30,191$1.59M0.00%+3,091+11.4%Added
Credit Suisse AG25,619$1.34M0.00%+419+1.7%Added
CenterBook Partners LP24,152$1.27M0.09%+24,152New
Marshall Wace, LLP24,105$1.27M0.00%+24,105New
D. E. Shaw & Co., Inc.23,639$1.24M0.00%+23,639New
Alliancebernstein L.P.22,593$1.19M0.00%−2,947−11.5%Reduced
Storebrand Asset Management AS22,560$1.18M0.00%+264+1.2%Added
HighTower Advisors, LLC21,339$1.13M0.00%−790−3.6%Reduced
Jacobs Levy Equity Management, Inc21,203$1.11M0.00%+21,203New
Walleye Capital LLC21,170$1.11M0.01%+21,170New
Price T Rowe Associates Inc20,617$1.08M0.00%+5,833+39.5%Added
Prudential Financial Inc20,049$1.05M0.00%−545−2.6%Reduced
Gabelli Funds LLC19,450$1.02M0.01%00.0%Unchanged
Cerity Partners LLC18,890$991.6K0.00%+2,835+17.7%Added
BNP Paribas Arbitrage, SA18,679$980.6K0.00%+5,020+36.8%Added
Oppenheimer & Co Inc18,583$975.6K0.02%+1,120+6.4%Added
Great West Life Assurance Co17,799$935.0K0.00%+56+0.3%Added
California State Teachers Retirement System17,780$933.5K0.00%−918−4.9%Reduced
CI Private Wealth, LLC16,250$853.1K0.00%+1,494+10.1%Added
Barclays PLC15,874$833.4K0.00%−13,975−46.8%Reduced
Texas Permanent School Fund15,584$818.2K0.01%+208+1.4%Added
Thrivent Financial for Lutherans15,448$811.0K0.00%−419−2.6%Reduced
TD Asset Management Inc15,444$810.8K0.00%+15,444New
Tudor Investment Corp Et Al15,082$791.8K0.01%+15,082New
The PNC Financial Services Group, Inc.15,036$789.4K0.00%+1,100+7.9%Added
Magellan Asset Management Ltd14,898$782.1K0.01%00.0%Unchanged
State of Wisconsin Investment Board13,077$686.5K0.00%+7,395+130.1%Added
Citigroup Inc12,307$646.1K0.00%+1,130+10.1%Added
Deutsche Bank AG12,102$635.4K0.00%+1,328+12.3%Added
HRT Financial LP11,118$583.0K0.00%+7,233+186.2%Added
Millennium Management LLC11,004$577.7K0.00%+5,361+95.0%Added
State of Alaska, Department of Revenue10,848$569.0K0.01%−107−1.0%Reduced
Ieq Capital, LLC10,613$557.2K0.01%+10,613New
Main Street Financial Solutions, LLC10,447$548.5K0.06%00.0%Unchanged
Ethic Inc.10,441$548.2K0.01%+3,152+43.2%Added
Private Advisor Group, LLC10,187$534.8K0.00%+40.0%Added
Illinois Municipal Retirement Fund10,139$532.0K0.01%+287+2.9%Added
State Board of Administration of Florida Retirement System6,791$530.5K0.00%+1,790+35.8%Added
Jump Financial, LLC9,769$512.9K0.01%+9,769New
Advisor Group Holdings, Inc.9,743$511.5K0.00%−482−4.7%Reduced
Russell Investments Group, Ltd.9,622$505.2K0.00%+4,503+88.0%Added
American International Group, Inc.9,469$497.1K0.00%−84−0.9%Reduced
MetLife Investment Management9,267$486.5K0.00%00.0%Unchanged
New York State Teachers Retirement System9,111$478.0K0.00%00.0%Unchanged
Janus Henderson Group PLC9,062$476.0K0.00%+10.0%Added
Squarepoint Ops LLC9,041$474.7K0.00%+3,168+53.9%Added
Louisiana State Employees Retirement System8,800$462.0K0.01%−100−1.1%Reduced
Wells Fargo & Company8,712$457.4K0.00%+146+1.7%Added
Comerica Bank8,688$456.1K0.00%−1,471−14.5%Reduced
Creative Planning8,584$450.7K0.00%+4,818+127.9%Added
Manufacturers Life Insurance Company, The8,513$446.9K0.00%−53−0.6%Reduced
State of Tennessee, Treasury Department8,223$431.7K0.00%+2,230+37.2%Added
Victory Capital Management Inc8,196$430.3K0.00%−987−10.7%Reduced
Yousif Capital Management, LLC8,038$422.0K0.00%−780−8.8%Reduced
Parcion Private Wealth LLC8,000$420.0K0.04%00.0%Unchanged
Raymond James Financial Services Advisors, Inc.7,884$413.9K0.00%−115−1.4%Reduced
UniSuper Management Pty Ltd7,642$401.2K0.00%+7,642New
Quantbot Technologies LP7,613$399.7K0.02%+7,613New
Guyasuta Investment Advisors Inc6,000$393.7K0.03%00.0%Unchanged
New York State Common Retirement Fund7,248$380.5K0.00%−5−0.1%Reduced