MSEXMiddlesex Water Company

$53.42+3.3% 1Y
Latest close: back above its 200-day averageOct 9, 2026what changed →

Who owns MSEX

224 institutions reported holding MSEX for 2026Q2, together 84% of the company, more than the 217 a quarter earlier.

224

Institutions reporting a position · as of 2026Q2 · up from 217 the quarter before

Shares held by institutions
15.7M

Shares held by institutions · 84% of the company · long US equity positions only, as reported on Form 13F

Reported value
$879M

Reported value · at Jun 30, 2026 prices, not today's

Top 5 holders
49%

Top 5 holders · of the whole company, between five filers

Details›
Reporting quarter2026-06-30
2026Q2
Quarters on record
53
New positions
31
Positions exited
24
Added to
80
Reduced
52
Top 10 holdersof the company
61%
Shares sold shortsettled Sep 15, 2026
0.9M
Short interestof shares outstanding
4.6%
Days to coverat the average daily volume
8.1
Change in the short positionsince the Aug 31, 2026 count
+10%
Institutional ownership by quarter, 2013Q2 to 2026Q2
QuarterFilersSharesReported value
2026Q222415.7M$879M
2026Q121715.0M$782M
2025Q420015.0M$755M
2025Q321114.3M$775M
2025Q221413.5M$733M
2025Q121413.8M$887M
2024Q421013.6M$713M
2024Q319913.8M$901M
2024Q219613.0M$678M
2024Q119112.9M$675M
2023Q419113.0M$854M
2023Q318612.5M$829M
2023Q218412.5M$1.01B
2023Q120011.8M$922M
2022Q420012.4M$977M
2022Q319911.9M$917M
Largest reported holders, 2026Q2
HolderShares% of companyValue
BlackRock Inc.3.1M17%$176M
T. Rowe Price Investment Management, Inc.1.7M9.4%$98M
Neuberger Berman Group LLC1.6M8.6%$90M
VANGUARD GROUP INC1.5M7.9%$82M
MORGAN STANLEY1.1M5.9%$62M
STATE STREET CORP0.8M4.3%$45M
GEODE CAPITAL MANAGEMENT LLC0.5M2.7%$28M
Legal & General Group Plc0.4M2.4%$25M
DIMENSIONAL FUND ADVISORS LP0.3M1.9%$20M
Invesco Ltd.0.3M1.5%$16M
Short interest by settlement date, Aug 29, 2025 to Sep 15, 2026
SettlementShares shortOf shares outstandingDays to cover
Sep 15, 20260.9M4.6%8.1
Aug 31, 20260.8M4.2%6.0
Aug 14, 20260.8M4.5%6.3
Jul 31, 20260.8M4.5%6.0
Jul 15, 20260.9M4.9%3.4
Jun 30, 20260.9M4.6%4.1
Jun 15, 20260.8M4.4%6.9
May 29, 20260.8M4.2%6.9
May 15, 20260.8M4.4%7.4
Apr 30, 20260.8M4.3%3.6
Apr 15, 20260.8M4.2%5.0
Mar 31, 20260.7M3.7%3.6

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold. The short position is FINRA's consolidated count for each twice-monthly settlement date, as a share of shares outstanding.

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