CALIFORNIA WATER SERVICE GRP (CWT) Institutional Ownership Changes & 13F Activity

CALIFORNIA WATER SERVICE GRP (CWT). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q2 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Atlas Infrastructure Partners (Uk) Ltd., Invesco Ltd., Nomura Asset Management International Inc., Aqr Capital Management Llc, and Citadel Advisors Llc.

InstitutionTypeChange in sharesChange Position %SharesReported stock balancePortfolio quarterFiling date
Anchor Investment Management, LlcBuy+356356$17.32KQ2 2026Sep 15, 2026
Manufacturers Life Insurance Company, TheBuy+2,546+9.7%28,929$1.41MQ2 2026Sep 09, 2026
Integrated Wealth Concepts LlcBuy+455+8.0%6,123$297.87KQ2 2026Sep 09, 2026
Citadel Advisors LlcBuy+161,696+466.0%196,394$9.55MQ2 2026Sep 02, 2026
Brown, Lisle/Cummings, Inc.Buy+750750$36.49KQ2 2026Sep 02, 2026
Corient Private Wealth LlcBuy+5,1255,125$249.37KQ2 2026Aug 27, 2026
California State Teachers Retirement SystemBuy+9,658+17.2%65,931$3.21MQ2 2026Aug 24, 2026
Assenagon Asset Management S.A.Buy+42,37142,371$2.06MQ2 2026Aug 21, 2026
Mercer Global Advisors IncBuy+11,688+92.3%24,355$1.18MQ2 2026Aug 19, 2026
Fulcrum Asset Management LlpBuy+1010$489.00Q2 2026Aug 18, 2026
Public Employees Retirement System Of OhioBuy+97+0.8%12,018$584.68KQ2 2026Aug 17, 2026
Atlas Infrastructure Partners (Uk) Ltd.Buy+1,984,6051,984,605$96.55MQ2 2026Aug 14, 2026
Invesco Ltd.Buy+974,775974,775$47.42MQ2 2026Aug 14, 2026
Nomura Asset Management International Inc.Buy+747,216747,216$36.35MQ2 2026Aug 14, 2026
Aqr Capital Management LlcBuy+512,060+301.7%681,791$33.17MQ2 2026Aug 14, 2026
Ameriprise Financial IncBuy+130,513130,513$6.35MQ2 2026Aug 14, 2026
D. E. Shaw & Co., Inc.Buy+109,722+132.5%192,514$9.37MQ2 2026Aug 14, 2026
T. Rowe Price Investment Management, Inc.Buy+98,811+2.9%3,517,105$171.11MQ2 2026Aug 14, 2026
Goldman Sachs Group IncSell-86,851-30.6%197,125$9.59MQ2 2026Aug 14, 2026
Sagefield Capital LpBuy+86,24386,243$4.20MQ2 2026Aug 14, 2026
Two Sigma Investments, LpSell-68,367-88.8%8,609$418.83KQ2 2026Aug 14, 2026
Millennium Management LlcBuy+49,071+80.1%110,352$5.37MQ2 2026Aug 14, 2026
Ilex Capital Partners (Uk) LlpBuy+44,89844,898$2.18MQ2 2026Aug 14, 2026
Xtx Topco LtdBuy+43,269+223.3%62,648$3.05MQ2 2026Aug 14, 2026
Squarepoint Ops LlcSell-40,489-82.6%8,527$414.84KQ2 2026Aug 14, 2026
Barclays PlcSell-38,440-77.5%11,133$541.62KQ2 2026Aug 14, 2026
Trexquant Investment LpBuy+32,880+38.0%119,479$5.81MQ2 2026Aug 14, 2026
Wells Fargo & Company/MnBuy+30,652+58.0%83,459$4.06MQ2 2026Aug 14, 2026
Legal & General Group PlcBuy+29,968+3.9%807,510$39.29MQ2 2026Aug 14, 2026
Canada Pension Plan Investment BoardSell-25,800-78.9%6,900$335.69KQ2 2026Aug 14, 2026
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Frequently asked questions about CWT activity

  • Which institutional owners are buying CWT?

    Institutional owners buying CWT include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in CWT activity?

    "Buy" means an investor increased their reported position in CWT compared to the prior reporting period. This reflects growing exposure to CALIFORNIA WATER SERVICE GRP (CWT) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in CWT increasing?

    Institutional interest in CWT can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.