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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
Manufacturers Life Insurance Company, The8,513$446.9K0.00%−53−0.6%Reduced
Creative Planning8,584$450.7K0.00%+4,818+127.9%Added
Comerica Bank8,688$456.1K0.00%−1,471−14.5%Reduced
Wells Fargo & Company8,712$457.4K0.00%+146+1.7%Added
Louisiana State Employees Retirement System8,800$462.0K0.01%−100−1.1%Reduced
Squarepoint Ops LLC9,041$474.7K0.00%+3,168+53.9%Added
Janus Henderson Group PLC9,062$476.0K0.00%+10.0%Added
New York State Teachers Retirement System9,111$478.0K0.00%00.0%Unchanged
MetLife Investment Management9,267$486.5K0.00%00.0%Unchanged
American International Group, Inc.9,469$497.1K0.00%−84−0.9%Reduced
Russell Investments Group, Ltd.9,622$505.2K0.00%+4,503+88.0%Added
Advisor Group Holdings, Inc.9,743$511.5K0.00%−482−4.7%Reduced
Jump Financial, LLC9,769$512.9K0.01%+9,769New
State Board of Administration of Florida Retirement System6,791$530.5K0.00%+1,790+35.8%Added
Illinois Municipal Retirement Fund10,139$532.0K0.01%+287+2.9%Added
Private Advisor Group, LLC10,187$534.8K0.00%+40.0%Added
Ethic Inc.10,441$548.2K0.01%+3,152+43.2%Added
Main Street Financial Solutions, LLC10,447$548.5K0.06%00.0%Unchanged
Ieq Capital, LLC10,613$557.2K0.01%+10,613New
State of Alaska, Department of Revenue10,848$569.0K0.01%−107−1.0%Reduced
Millennium Management LLC11,004$577.7K0.00%+5,361+95.0%Added
HRT Financial LP11,118$583.0K0.00%+7,233+186.2%Added
Deutsche Bank AG12,102$635.4K0.00%+1,328+12.3%Added
Citigroup Inc12,307$646.1K0.00%+1,130+10.1%Added
State of Wisconsin Investment Board13,077$686.5K0.00%+7,395+130.1%Added
Magellan Asset Management Ltd14,898$782.1K0.01%00.0%Unchanged
The PNC Financial Services Group, Inc.15,036$789.4K0.00%+1,100+7.9%Added
Tudor Investment Corp Et Al15,082$791.8K0.01%+15,082New
TD Asset Management Inc15,444$810.8K0.00%+15,444New
Thrivent Financial for Lutherans15,448$811.0K0.00%−419−2.6%Reduced
Texas Permanent School Fund15,584$818.2K0.01%+208+1.4%Added
Barclays PLC15,874$833.4K0.00%−13,975−46.8%Reduced
CI Private Wealth, LLC16,250$853.1K0.00%+1,494+10.1%Added
California State Teachers Retirement System17,780$933.5K0.00%−918−4.9%Reduced
Great West Life Assurance Co17,799$935.0K0.00%+56+0.3%Added
Oppenheimer & Co Inc18,583$975.6K0.02%+1,120+6.4%Added
BNP Paribas Arbitrage, SA18,679$980.6K0.00%+5,020+36.8%Added
Cerity Partners LLC18,890$991.6K0.00%+2,835+17.7%Added
Gabelli Funds LLC19,450$1.02M0.01%00.0%Unchanged
Prudential Financial Inc20,049$1.05M0.00%−545−2.6%Reduced
Price T Rowe Associates Inc20,617$1.08M0.00%+5,833+39.5%Added
Walleye Capital LLC21,170$1.11M0.01%+21,170New
Jacobs Levy Equity Management, Inc21,203$1.11M0.00%+21,203New
HighTower Advisors, LLC21,339$1.13M0.00%−790−3.6%Reduced
Storebrand Asset Management AS22,560$1.18M0.00%+264+1.2%Added
Alliancebernstein L.P.22,593$1.19M0.00%−2,947−11.5%Reduced
D. E. Shaw & Co., Inc.23,639$1.24M0.00%+23,639New
Marshall Wace, LLP24,105$1.27M0.00%+24,105New
CenterBook Partners LP24,152$1.27M0.09%+24,152New
Credit Suisse AG25,619$1.34M0.00%+419+1.7%Added
Bank of America Corp30,191$1.59M0.00%+3,091+11.4%Added
Jane Street Group, LLC31,108$1.63M0.00%+6,308+25.4%Added
UBS Asset Management Americas Inc32,676$1.72M0.00%+6,118+23.0%Added
SG Americas Securities, LLC34,206$1.80M0.01%+34,206New
Swiss National Bank34,962$1.84M0.00%00.0%Unchanged
Citadel Advisors LLC36,288$1.91M0.00%+13,279+57.7%Added
Public Sector Pension Investment Board36,957$1.94M0.01%00.0%Unchanged
Voloridge Investment Management, LLC38,964$2.05M0.01%+24,405+167.6%Added
UBS Group AG43,796$2.30M0.00%+5,304+13.8%Added
Nuveen Asset Management, LLC49,599$2.60M0.00%00.0%Unchanged
Susquehanna International Group, LLP51,018$2.68M0.00%+40,465+383.4%Added
JPMorgan Chase & Co54,839$2.88M0.00%−5,479−9.1%Reduced
State of New Jersey Common Pension Fund D55,079$2.89M0.01%+15,849+40.4%Added
Foundry Partners, LLC56,400$2.96M0.16%+10,315+22.4%Added
Rhumbline Advisers60,772$3.19M0.00%+2,277+3.9%Added
Penn Capital Management Co Inc61,474$3.23M0.29%+9,558+18.4%Added
Ameriprise Financial Inc63,082$3.31M0.00%+2,929+4.9%Added
Goldman Sachs Group Inc65,704$3.45M0.00%+36,684+126.4%Added
Assenagon Asset Management S.A.83,516$4.38M0.01%+32,379+63.3%Added
Principal Financial Group Inc92,770$4.87M0.00%+205+0.2%Added
TSP Capital Management Group, LLC112,632$5.91M1.90%−852−0.8%Reduced
Amundi131,030$6.11M0.00%+2,071+1.6%Added
Qube Research & Technologies Ltd119,219$6.26M0.01%+119,219New
Thematics Asset Management125,000$6.56M0.27%+30,000+31.6%Added
Charles Schwab Investment Management Inc148,406$7.79M0.00%+2,365+1.6%Added
ProShare Advisors LLC150,821$7.92M0.02%+31,607+26.5%Added
First Manhattan Co192,888$10.1M0.03%−100−0.1%Reduced
Bank of New York Mellon Corp194,719$10.2M0.00%+23,886+14.0%Added
Northern Trust Corp202,866$10.7M0.00%−4,186−2.0%Reduced
Legal & General Group Plc215,282$11.3M0.00%+45,346+26.7%Added
Ledgewood Wealth Advisors, LLC224,995$11.8M10.97%00.0%Unchanged
KBC Group NV255,015$13.4M0.04%00.0%Unchanged
Renaissance Technologies LLC284,700$14.9M0.02%+78,300+37.9%Added
Geode Capital Management, LLC400,254$21.0M0.00%+9,712+2.5%Added
Invesco Ltd.410,305$21.5M0.00%+126,375+44.5%Added
Dimensional Fund Advisors LP454,177$23.8M0.01%−12,855−2.8%Reduced
Morgan Stanley601,558$31.6M0.00%+167,241+38.5%Added
State Street Corp730,873$38.4M0.00%+24,275+3.4%Added
T. Rowe Price Investment Management, Inc.1,038,211$54.5M0.03%+628,605+153.5%Added
Vanguard Group Inc1,430,177$75.1M0.00%+3,020+0.2%Added
BlackRock Inc.3,404,210$178.7M0.00%+131,691+4.0%Added
First Trust Advisors LP0$00.00%−1,214,004−100.0%Sold out
Two Sigma Advisers, LP0$00.00%−12,200−100.0%Sold out
Occudo Quantitative Strategies LP0$00.00%−8,320−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−7,492−100.0%Sold out
Engineers Gate Manager LP0$00.00%−5,375−100.0%Sold out
Bank of Montreal0$00.00%−4,704−100.0%Sold out
Manchester Capital Management LLC0$00.00%−4,675−100.0%Sold out
Two Sigma Investments, LP0$00.00%−4,473−100.0%Sold out
Verition Fund Management LLC0$00.00%−3,914−100.0%Sold out