Stock Ownership/MSEX

MIDDLESEX WTR CO (MSEX): Ownership & Insider Activity

Hedge funds and institutional managers reporting a position in MSEX · Utilities. Based on the most recent 13F filing from each holder, sourced from SEC EDGAR.

Reported Holders
8
13F filers
Aggregate Value
$25.1M
Across holders
Last Price
$59.47
2026-08-24
Sector
Utilities
GICS
Quarterly fund activity5 increased3 reduced3 exited
Full exits: Point72 Asset Management, L.P., MILLENNIUM MANAGEMENT LLC, Squarepoint Ops LLC
Institutional Holders of MSEX
↗
8 holders
Manager⇅Type⇅Shares⇅Market Value▼% of Total⇅% of Portfolio⇅Action⇅QoQ Change⇅Quarter⇅
TWO SIGMA INVESTMENTS, LP
CIK 0001179392
Hedge Fund163K$9.2M36.5%0.0%Added+$5.5MQ2 2026
RENAISSANCE TECHNOLOGIES LLC
CIK 0001037389
Hedge Fund111K$6.2M24.8%0.0%Reduced$-2.0MQ2 2026
AQR CAPITAL MANAGEMENT LLC
CIK 0001167557
Hedge Fund84K$4.7M18.7%0.0%Added+$4.7MQ2 2026
SHAW D E & CO INC
CIK 0001009207
Hedge Fund36K$2.0M8.1%0.0%Added+$550KQ2 2026
CITADEL ADVISORS LLC
CIK 0001423053
Hedge Fund30K$1.7M6.7%0.0%Reduced$-452KQ2 2026
Brevan Howard Capital Management LP
CIK 0001512857
Hedge Fund11K$629K2.5%0.0%Added—Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
Hedge Fund11K$614K2.4%0.0%Added—Q2 2026
Rockefeller Capital Management L.P.
CIK 0001739439
Hedge Fund1K$58K0.2%0.0%Reduced$-131KQ2 2026
TWO SIGMA INVESTMENTS, LPAdded
Hedge Fund
$9.2M· 36.5% of total· 0.0% port· 163K sh· +$5.5M QoQ· Q2 2026
RENAISSANCE TECHNOLOGIES LLCReduced
Hedge Fund
$6.2M· 24.8% of total· 0.0% port· 111K sh· $-2.0M QoQ· Q2 2026
AQR CAPITAL MANAGEMENT LLCAdded
Hedge Fund
$4.7M· 18.7% of total· 0.0% port· 84K sh· +$4.7M QoQ· Q2 2026
SHAW D E & CO INCAdded
Hedge Fund
$2.0M· 8.1% of total· 0.0% port· 36K sh· +$550K QoQ· Q2 2026
CITADEL ADVISORS LLCReduced
Hedge Fund
$1.7M· 6.7% of total· 0.0% port· 30K sh· $-452K QoQ· Q2 2026
Brevan Howard Capital Management LPAdded
Hedge Fund
$629K· 2.5% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPAdded
Hedge Fund
$614K· 2.4% of total· 0.0% port· 11K sh· — QoQ· Q2 2026
Rockefeller Capital Management L.P.Reduced
Hedge Fund
$58K· 0.2% of total· 0.0% port· 1K sh· $-131K QoQ· Q2 2026
Loading recent insider activity…
← Stock ownership