CWT · California Water Service Group · Shareholders & Ownership
Every disclosed holder of CWT in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns CWT
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positions| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 55,264,819 | 89.37% |
| Insiders (Forms 3, 4, 5) | 475,802 | 0.77% |
| 13D/G-only blocks | 0 | 0.00% |
| Remaining | 6,098,480 | 9.86% |
| Registered funds (N-PORT, not summed) | 28,422,869 | 45.96% |
Shares outstanding: 61,839,101, the issuer's latest cover-page count restated onto today's split basis.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of CWT
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
BlackRock, Inc.
13F
CIK 2012383 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,755,498 | ||
| 1.1 |
iShares Core S&P Small-Cap ETF
Fund
S000004313 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
3,606,330 | ||
| 1.2 |
iShares Russell 2000 ETF
Fund
S000004344 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
1,575,925 | ||
| 1.3 |
iShares Russell 2000 Value ETF
Fund
S000004342 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
575,538 | ||
| 1.4 |
iShares S&P Small-Cap 600 Value ETF
Fund
S000004316 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
267,982 | ||
| 1.5 |
iShares S&P Small-Cap 600 Growth ETF
Fund
S000004314 · Registered fund · Jun 30, 2026
iShares Trust, not summed
|
259,310 | ||
| 2 |
VANGUARD PORTFOLIO MANAGEMENT LLC
13F
CIK 2100121 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
4,379,671 | ||
| 3 |
T. Rowe Price Investment Management, Inc.
13F
CIK 1897612 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,517,105 | ||
| 4 |
Amundi
13F
CIK 1330387 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,486,859 | ||
| 4.1 |
Amundi
13G
CIK 1330387 · Holding company · Jun 30, 2026
Rule 13d-1(b), qualified institution, not summed
|
3,489,311 | ||
| 4.2 |
KBI GLOBAL INVESTORS AQUARIUS FUND
Fund
S000063187 · Registered fund · Jul 31, 2026
ADVISORS' INNER CIRCLE III, not summed
|
31,871 | ||
| 5 |
|
3,266,850 | ||
| 5.1 |
State Street(R) SPDR(R) S&P(R) Dividend ETF
Fund
S000006981 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
601,423 | ||
| 5.2 |
State Street(R) SPDR(R) Portfolio S&P 600(TM) Small Cap ETF
Fund
S000041317 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
550,670 | ||
| 5.3 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Growth ETF
Fund
S000006990 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
160,033 | ||
| 5.4 |
State Street(R) SPDR(R) S & P 600(TM) Small Cap Value ETF
Fund
S000006974 · Registered fund · Jun 30, 2026
SPDR SERIES TRUST, not summed
|
159,800 | ||
| 5.5 |
STATE STREET SMALL/MID CAP EQUITY INDEX PORTFOLIO
Fund
S000050332 · Registered fund · Jun 30, 2026
STATE STREET INSTITUTIONAL INVESTMENT TRUST, not summed
|
21,189 | ||
| 6 |
VANGUARD CAPITAL MANAGEMENT LLC
13F
CIK 2100119 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
2,690,663 | ||
| 7 |
ATLAS Infrastructure Partners (UK) Ltd.
13F
CIK 1924953 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,984,605 | ||
| 8 |
VANGUARD TOTAL STOCK MARKET INDEX FUND
Fund
S000002848 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,899,285 | ||
| 9 |
GEODE CAPITAL MANAGEMENT, LLC
13F
CIK 1214717 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,555,391 | ||
| 10 |
VANGUARD SMALL-CAP INDEX FUND
Fund
S000002845 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
1,372,578 | ||
| 11 |
FIRST TRUST ADVISORS LP
13F
CIK 1125816 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,300,055 | ||
| 11.1 |
First Trust Value Line Dividend Index Fund
Fund
S000013817 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
693,425 | ||
| 11.2 |
First Trust Water ETF
Fund
S000017178 · Registered fund · Jun 30, 2026
First Trust Exchange-Traded Fund, not summed
|
533,228 | ||
| 11.3 |
First Trust Small Cap Core AlphaDEX Fund
Fund
S000017339 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
53,792 | ||
| 11.4 |
First Trust Small Cap Value AlphaDEX Fund
Fund
S000031807 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
9,825 | ||
| 11.5 |
First Trust Multi Cap Value AlphaDEX Fund
Fund
S000017342 · Registered fund · Jul 31, 2026
First Trust Exchange-Traded AlphaDEX Fund, not summed
|
1,699 | ||
| 12 |
FMR LLC
13F
CIK 315066 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,281,406 | ||
| 12.1 |
Fidelity Small Cap Value Fund
Fund
S000007194 · Registered fund · Jul 31, 2026
Fidelity Securities Fund, not summed
|
1,281,035 | ||
| 12.2 |
Fidelity Small Cap Index Fund
Fund
S000033638 · Registered fund · Jul 31, 2026
Fidelity Salem Street Trust, not summed
|
665,710 | ||
| 12.3 |
Fidelity Extended Market Index Fund
Fund
S000006021 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
310,986 | ||
| 12.4 |
Fidelity Total Market Index Fund
Fund
S000006026 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
115,626 | ||
| 12.5 |
Fidelity Series Total Market Index Fund
Fund
S000065248 · Registered fund · May 31, 2026
Fidelity Concord Street Trust, not summed
|
90,709 | ||
| 13 |
DIMENSIONAL FUND ADVISORS LP
13F
CIK 354204 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,174,914 | ||
| 13.1 |
U.S. SMALL CAP PORTFOLIO
Fund
S000000971 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
263,158 | ||
| 13.2 |
U.S. MICRO CAP PORTFOLIO
Fund
S000000948 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
220,728 | ||
| 13.3 |
Dimensional U.S. Small Cap ETF
Fund
S000070906 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
193,433 | ||
| 13.4 |
Dimensional U.S. Core Equity 2 ETF
Fund
S000070903 · Registered fund · Jul 31, 2026
Dimensional ETF Trust, not summed
|
81,365 | ||
| 13.5 |
U.S. CORE EQUITY 2 PORTFOLIO
Fund
S000000980 · Registered fund · Jul 31, 2026
DFA INVESTMENT DIMENSIONS GROUP INC, not summed
|
66,493 | ||
| 14 |
NUANCE INVESTMENTS, LLC
13F
CIK 1473182 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,096,077 | ||
| 14.1 |
Nuance Mid Cap Value Fund
Fund
S000043170 · Registered fund · Jul 31, 2026
Managed Portfolio Series, not summed
|
342,360 | ||
| 14.2 |
Nuance Concentrated Value Fund
Fund
S000031968 · Registered fund · Jul 31, 2026
Managed Portfolio Series, not summed
|
48,092 | ||
| 15 |
Invesco Ltd.
13F
CIK 914208 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
974,775 | ||
| 15.1 |
Invesco S&P Global Water Index ETF
Fund
S000060819 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
423,968 | ||
| 15.2 |
Invesco Water Resources ETF
Fund
S000003048 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
224,667 | ||
| 15.3 |
Invesco RAFI US 1500 Small-Mid ETF
Fund
S000013120 · Registered fund · Jul 31, 2026
Invesco Exchange-Traded Fund Trust, not summed
|
51,080 | ||
| 15.4 |
Invesco S&P SmallCap Low Volatility ETF
Fund
S000030965 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
45,007 | ||
| 15.5 |
Invesco S&P SmallCap 600 Revenue ETF
Fund
S000064596 · Registered fund · May 31, 2026
Invesco Exchange-Traded Fund Trust II, not summed
|
25,253 | ||
| 16 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
948,112 | ||
| 16.1 |
E*TRADE No Fee Total Market Index Fund
Fund
S000090722 · Registered fund · Jul 31, 2026
E Trade Trust, not summed
|
48 | ||
| 17 |
Legal & General Group Plc
13F
CIK 764068 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
807,510 | ||
| 18 |
VANGUARD SMALL-CAP GROWTH INDEX FUND
Fund
S000002846 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
792,932 | ||
| 19 |
ANTIPODES PARTNERS Ltd
13F
CIK 1652442 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
753,386 | ||
| 20 |
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.
13F
CIK 921739 · Investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
747,216 | ||
| 20.1 |
Nomura VIP Small Cap Value Series
Fund
S000002475 · Registered fund · Jun 30, 2026
Delaware VIP Trust, not summed
|
241,439 | ||
| 21 |
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
13F
CIK 884546 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
725,290 | ||
| 21.1 |
Schwab U.S. Small-Cap ETF
Fund
S000026636 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
287,018 | ||
| 21.2 |
Schwab Small-Cap Index Fund
Fund
S000005912 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
147,919 | ||
| 21.3 |
Schwab Fundamental U.S. Small Company ETF
Fund
S000040878 · Registered fund · May 31, 2026
SCHWAB STRATEGIC TRUST, not summed
|
126,100 | ||
| 21.4 |
Schwab Fundamental U.S. Small Company Index Fund
Fund
S000016767 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
37,523 | ||
| 21.5 |
Schwab Total Stock Market Index Fund
Fund
S000005913 · Registered fund · Jul 31, 2026
SCHWAB CAPITAL TRUST, not summed
|
36,782 | ||
| 22 |
NORTHERN TRUST CORP
13F
CIK 73124 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
708,763 | ||
| 22.1 |
Small Cap Index Fund
Fund
S000001245 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
30,813 | ||
| 22.2 |
FlexShares STOXX Global Broad Infrastructure Index Fund
Fund
S000042071 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
26,709 | ||
| 22.3 |
Small Cap Core Fund
Fund
S000001244 · Registered fund · Jun 30, 2026
Northern Funds, not summed
|
6,504 | ||
| 22.4 |
FlexShares Morningstar US Market Factor Tilt Index Fund
Fund
S000033312 · Registered fund · Jul 31, 2026
FlexShares Trust, not summed
|
1,620 | ||
| 23 |
VANGUARD EXTENDED MARKET INDEX FUND
Fund
S000002841 · Registered fund · Jun 30, 2026
VANGUARD INDEX FUNDS, not summed
|
686,644 | ||
| 24 |
AQR CAPITAL MANAGEMENT LLC
13F
CIK 1167557 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
681,791 | ||
| 24.1 |
AQR Small Cap Multi-Style Fund
Fund
S000040064 · Registered fund · Jun 30, 2026
AQR Funds, not summed
|
22,210 | ||
| 25 |
KBC Group NV
13F
CIK 1411133 · Unknown · Sep 30, 2026
|
577,510 | ||
| 26 |
Bank of New York Mellon Corp
13F
CIK 1390777 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
527,076 | ||
| 26.1 |
BNY Mellon US Small Cap Core Equity ETF
Fund
S000067262 · Registered fund · Jul 31, 2026
BNY Mellon ETF Trust, not summed
|
2,289 | ||
| 27 |
Triodos Investment Management BV
13F
CIK 1748729 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
493,000 | ||
| 28 |
VANGUARD TAX-MANAGED SMALL-CAP FUND
Fund
S000004387 · Registered fund · Jun 30, 2026
VANGUARD TAX-MANAGED FUNDS, not summed
|
447,840 | ||
| 29 |
Beck Bode, LLC
13F
CIK 1790548 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
426,692 | ||
| 30 |
VANGUARD UTILITIES INDEX FUND
Fund
S000004445 · Registered fund · May 31, 2026
VANGUARD WORLD FUND, not summed
|
414,794 | ||
| 31 |
VANGUARD FIDUCIARY TRUST CO
13F
CIK 933478 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
397,640 | ||
| 32 |
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
13F
CIK 1164508 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
365,464 | ||
| 33 |
VANGUARD DIVIDEND APPRECIATION INDEX FUND
Fund
S000011322 · Registered fund · Jul 31, 2026
VANGUARD SPECIALIZED FUNDS, not summed
|
338,733 | ||
| 34 |
VICTORY CAPITAL MANAGEMENT INC
13F
CIK 1040188 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
331,132 | ||
| 34.1 |
Victory Market Neutral Income Fund
Fund
S000037769 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
223,004 | ||
| 34.2 |
VictoryShares US Small Cap High Div Volatility Wtd ETF
Fund
S000049908 · Registered fund · Jun 30, 2026
Victory Portfolios II, not summed
|
74,375 | ||
| 34.3 |
Victory Extended Market Index Fund
Fund
S000012941 · Registered fund · Jul 31, 2026
Victory Portfolios III, not summed
|
6,865 | ||
| 34.4 |
VictoryShares Hedged Equity Income ETF
Fund
S000085473 · Registered fund · Dec 31, 2025
Victory Portfolios II, not summed
|
761 | ||
| 35 |
VANGUARD RUSSELL 2000 INDEX FUND
Fund
S000030003 · Registered fund · May 31, 2026
VANGUARD SCOTTSDALE FUNDS, not summed
|
307,291 | ||
| 36 |
PRINCIPAL FINANCIAL GROUP INC
13F
CIK 1126328 · Insurance company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
289,290 | ||
| 36.1 |
SmallCap S&P 600 Index Fund
Fund
S000007203 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
44,099 | ||
| 36.2 |
SmallCap Value Fund II
Fund
S000007169 · Registered fund · Jul 31, 2026
Principal Funds, Inc, not summed
|
4,036 | ||
| 37 |
RAYMOND JAMES FINANCIAL INC
13F
CIK 720005 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
283,593 | ||
| 38 |
|
274,427 | ||
| 38.1 |
Nuveen Quant Small Cap Equity Fund
Fund
S000005386 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
99,010 | ||
| 38.2 |
Nuveen Small Cap Blend Index Fund
Fund
S000005367 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
80,404 | ||
| 38.3 |
Nuveen Equity Index Fund
Fund
S000005360 · Registered fund · Jul 31, 2026
TIAA-CREF Funds, not summed
|
53,961 | ||
| 38.4 |
Nuveen Life Small Cap Equity Fund
Fund
S000005093 · Registered fund · Jun 30, 2026
TIAA-CREF Life Funds, not summed
|
2,059 | ||
| 38.5 |
TIAA Separate Account VA-1 - Stock Index Account
Fund
S000005098 · Registered fund · Jun 30, 2026
TIAA Separate Account VA-1, not summed
|
1,192 | ||
| 39 |
AMERICAN CENTURY COMPANIES INC
13F
CIK 748054 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
245,038 | ||
| 39.1 |
Utilities Fund
Fund
S000005982 · Registered fund · Jun 30, 2026
American Century Quantitative Equity Funds, Inc., not summed
|
104,728 | ||
| 40 |
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
13F
CIK 861177 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
244,401 | ||
| 41 |
VANGUARD HIGH DIVIDEND YIELD INDEX FUND
Fund
S000014011 · Registered fund · Jul 31, 2026
VANGUARD WHITEHALL FUNDS, not summed
|
237,643 | ||
| 42 |
VANGUARD S&P SMALL-CAP 600 INDEX FUND
Fund
S000030017 · Registered fund · May 31, 2026
VANGUARD ADMIRAL FUNDS, not summed
|
206,222 | ||
| 43 |
Public Sector Pension Investment Board
13F
CIK 1396318 · Non-US institution · Jun 30, 2026
carried, not yet filed for the newest quarter
|
205,645 | ||
| 44 |
GOLDMAN SACHS GROUP INC
13F
CIK 886982 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
197,125 | ||
| 44.1 |
Goldman Sachs ActiveBeta(R) U.S. Small Cap Equity ETF
Fund
S000048296 · Registered fund · May 31, 2026
Goldman Sachs ETF Trust, not summed
|
7,001 | ||
| 44.2 |
Goldman Sachs Absolute Return Tracker Fund
Fund
S000020314 · Registered fund · Jun 30, 2026
GOLDMAN SACHS TRUST, not summed
|
5,748 | ||
| 45 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
196,394 | ||
| 46 |
D. E. Shaw & Co., Inc.
13F
CIK 1009207 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
192,514 | ||
| 47 |
DUFF & PHELPS INVESTMENT MANAGEMENT CO
13F
CIK 765443 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
183,197 | ||
| 48 |
Virtus Duff & Phelps Water Fund
Fund
S000021463 · Registered fund · Jun 30, 2026
Virtus Strategy Trust, not summed
|
183,168 | ||
| 49 |
|
172,659 | ||
| 50 |
Calvert Global Water Fund
Fund
S000024182 · Registered fund · Jun 30, 2026
Calvert Impact Fund, Inc., not summed
|
163,054 |
47 more nested rows are not shown here; Every filing lists them all.
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.
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