Ticker · CUSIP 130788102

CWT

CALIFORNIA WTR SVC GROUP

Utilities·Utilities - Regulated Water

···Share

Holders (tracked)

Combined shares

661,879

Combined value

$28.68M

Last close

$44.96

Quarter

2025Q4

Price is +3.8% vs the avg quarter-end implied price across tracked holders.

Price · 1Y$44.96-4.59 (-9.27%)H $50.01 · L $41.99 · Avg Vol 385K

Tracked holders · last 8 quarters

+2 vs previous quarter over the last 8.

SEC event timeline

18 events

Ken Griffin (Citadel Advisors) added2026-02-17
+158,843 shares · 2025Q4
Position
D.E. Shaw & Co. added2026-02-17
+29,833 shares · 2025Q4
Position
Two Sigma Investments added2026-02-17
+2,700 shares · 2025Q4
Position
Izzy Englander (Millennium Mgmt) trimmed2026-02-17
−277,917 shares · 2025Q4
Position
Steve Cohen (Point72) opened position2026-02-17
+40,192 shares · 2025Q4
Position
T. Rowe Price trimmed2026-02-17
−77,021 shares · 2025Q4
Position
AQR Capital Management trimmed2026-02-17
−53,015 shares · 2025Q4
Position
Renaissance Technologies trimmed2026-02-12
−189,216 shares · 2025Q4
Position
Norges Bank (Norway SWF) opened position2026-02-10
+22,114 shares · 2025Q4
Position
Paul Tudor Jones (Tudor Investment) exited2025-12-09
−4,914 shares · 2025Q3
Position
D.E. Shaw & Co. added2025-11-14
+30,212 shares · 2025Q3
Position
Izzy Englander (Millennium Mgmt) added2025-11-14
+361,339 shares · 2025Q3
Position
AQR Capital Management added2025-11-14
+40,562 shares · 2025Q3
Position
Two Sigma Investments added2025-11-14
+12,900 shares · 2025Q3
Position
T. Rowe Price added2025-11-14
+3,247 shares · 2025Q3
Position
Renaissance Technologies added2025-11-13
+20,116 shares · 2025Q3
Position
Norges Bank (Norway SWF) exited2025-11-13
−676,286 shares · 2025Q3
Position
Norges Bank (Norway SWF) trimmed2025-11-12
−37,200 shares · 2024Q3
Position

Insider activity

No insider transactions in the last 30 days.

View full insider history for CWT →

Follow-the-investor returns

If you'd copied each holder of CWT…

Cost basis inferred from each manager's quarter-over-quarter position changes. Sorted by % return on the position they're still holding.

Investor	First in	Cost basis	Return	Position value today
T. Rowe Price	2016Q1	$43.21	+4.0%	$3.3M
Ken Griffin (Citadel Advisors)	2019Q1	$43.54	+3.3%	$7.8M
Two Sigma Investments	2018Q1	$44.75	+0.5%	$1.0M
D.E. Shaw & Co.	2016Q1	$44.95	+0.0%	$3.0M
Steve Cohen (Point72)	2023Q1	$45.18	-0.5%	$1.8M
Izzy Englander (Millennium Mgmt)	2016Q4	$46.02	-2.3%	$4.1M
Renaissance Technologies	2016Q1	$47.49	-5.3%	$5.0M
AQR Capital Management	2016Q1	$48.66	-7.6%	$2.7M
Norges Bank (Norway SWF)	2016Q1	$2312.54	-98.1%	$994K

Who moved on this name in 2025Q4

Position changes reported for the latest quarter, grouped by direction.

New positions2

Steve Cohen (Point72)
+40,192
$1.7M
Norges Bank (Norway SWF)
+22,114
$958K

Added to3

Ken Griffin (Citadel Advisors)
+158,843
$6.9M
D.E. Shaw & Co.
+29,833
$1.3M
Two Sigma Investments
+2,700
$117K

Trimmed4

Izzy Englander (Millennium Mgmt)
−277,917
$12.0M
Renaissance Technologies
−189,216
$8.2M
AQR Capital Management
−53,015
$2.3M
T. Rowe Price
−77,021
$3K

Exited0

—

Institutional ownership over time

Distinct super-investors holding this ticker · combined dollar value, by quarter.

Quarter	Holders	Shares	Combined value	Δ holders
2022Q1	10	12,370,627	$26.59B	—
2022Q2	8	12,580,782	$27.08B	-2
2022Q3	9	10,501,851	$553.3M	+1
2022Q4	11	11,283,699	$684.2M	+2
2023Q1	12	11,183,936	$650.9M	+1
2023Q2	12	11,533,115	$595.5M	—
2023Q3	11	11,434,111	$540.9M	-1
2023Q4	9	11,434,041	$593.1M	-2
2024Q1	8	11,630,308	$540.6M	-1
2024Q2	10	11,253,855	$545.7M	+2
2024Q3	8	1,242,168	$67.4M	-2
2024Q4	10	1,246,008	$56.5M	+2
2025Q1	8	436,748	$21.2M	-2
2025Q2	9	1,266,266	$57.6M	+1
2025Q3	7	1,005,366	$46.1M	-2
2025Q4	9	661,879	$28.7M	+2

Who owns CWT

9 super-investors · 2025Q4

Tracked stake

661.9K

Combined value

$29M

% of shares outstanding

—

shares-out unknown

Quarter action mix

New2Added3Trim4

#	Manager	Shares	Value	% of book	Last action
1	Ken Griffin Citadel Advisors	172.7K	$7M	0.0%	Added+158.8K
2	Renaissance Technologies	111.9K	$5M	0.0%	Trim−189.2K
3	Izzy Englander Millennium Mgmt	90.2K	$4M	0.0%	Trim−277.9K
4	T. Rowe Price	74.4K	$3M	0.0%	Trim−77.0K
5	D.E. Shaw & Co.	66.2K	$3M	0.0%	Added+29.8K
6	AQR Capital Management	61.1K	$3M	0.0%	Trim−53.0K
7	Steve Cohen Point72	40.2K	$2M	0.0%	New+40.2K
8	Two Sigma Investments	23.1K	$1000K	0.0%	Added+2.7K
9	Norges Bank Norway SWF	22.1K	$958K	0.0%	New+22.1K

Recent moves

20 transactions

ADDKen Griffin (Citadel Advisors)
+158,843 · 2025Q4
ADDD.E. Shaw & Co.
+29,833 · 2025Q4
ADDTwo Sigma Investments
+2,700 · 2025Q4
TRIMAQR Capital Management
−53,015 · 2025Q4
NEWSteve Cohen (Point72)
+40,192 · 2025Q4
TRIMIzzy Englander (Millennium Mgmt)
−277,917 · 2025Q4
TRIMT. Rowe Price
−77,021 · 2025Q4
TRIMRenaissance Technologies
−189,216 · 2025Q4
NEWNorges Bank (Norway SWF)
+22,114 · 2025Q4
SOLDPaul Tudor Jones (Tudor Investment)
−4,914 · 2025Q3
ADDT. Rowe Price
+3,247 · 2025Q3
ADDD.E. Shaw & Co.
+30,212 · 2025Q3
ADDAQR Capital Management
+40,562 · 2025Q3
ADDTwo Sigma Investments
+12,900 · 2025Q3
ADDIzzy Englander (Millennium Mgmt)
+361,339 · 2025Q3
ADDRenaissance Technologies
+20,116 · 2025Q3
SOLDNorges Bank (Norway SWF)
−676,286 · 2025Q3
TRIMNorges Bank (Norway SWF)
−37,200 · 2024Q3
NEWTwo Sigma Investments
+7,476 · 2025Q2
NEWIzzy Englander (Millennium Mgmt)
+6,735 · 2025Q2

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