Aperio Group, LLC reports 8.34% increase in ownership of CWT / California Water Service Group

加州供水服務集團

US ˙ NYSE ˙ US1307881029

Security	CWT / California Water Service Group
Institution	Aperio Group, LLC
Latest Disclosed Ownership	43,293 shares
Latest Disclosed Value	$ 2,339,000

On February 5, 2021 - Aperio Group, LLC filed a 13F-HR form disclosing ownership of 43,293 shares of California Water Service Group (US:CWT) valued at $2,339,121 USD as of December 31, 2020. The entity filed a previous 13F-HR on November 6, 2020 disclosing 39,959 shares of California Water Service Group. This represents a change in shares of 8.34% during the quarter. The current value of the position is $1,983,685 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)

File Date	Effective Date	Form	Security	Class	ID	Reported Shares	ΔShares	ΔShares (%)	Reported Value (x1000)	ΔValue (%)	Alloc (%)
2021-02-05	2020-12-31	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	43,293	3,334	8.34	2,339	34.74	0.0069
2020-11-06	2020-09-30	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	39,959	4,028	11.21	1,736	1.28	0.0059
2020-08-13	2020-06-30	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	35,931	4,508	14.35	1,714	8.41	0.0063
2020-05-05	2020-03-31	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	31,423	1,357	4.51	1,581	2.00	0.0070
2020-02-13	2019-12-31	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	30,066	-4,045	-11.86	1,550	-14.17	0.0056
2019-11-06	2019-09-30	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	34,111	-56	-0.16	1,806	4.39	0.0071
2019-07-30	2019-06-30	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	34,167	-2,343	-6.42	1,730	-12.71	0.0071
2019-05-13	2019-03-31	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	36,510	4,455	13.90	1,982	29.71	0.0086
2019-05-06	2018-12-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	32,055	3,010	10.36	1,528	22.63	0.0077
2019-02-14	2018-12-31	13F	CALIFORNIA WTR SVC GROUP	COM	130788102	32,055	3,010		1,528
2019-05-06	2018-09-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	29,045	652	2.30	1,246	12.66	0.0055
2018-10-17	2018-09-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	29,045	652		1,246
2019-05-06	2018-06-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	28,393	-5,224	-15.54	1,106	-11.66	0.0053
2018-07-30	2018-06-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	28,393	-5,224		1,106
2019-05-01	2018-03-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	33,617	-2,632	-7.26	1,252	-23.84	0.0062
2018-05-08	2018-03-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	33,617	-2,632		1,252
2019-05-01	2017-12-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	36,249	-2,073	-5.41	1,644	12.45	0.0085
2018-02-02	2017-12-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	36,249	-2,073		1,644
2019-05-01	2017-09-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	38,322	-2,195	-5.42	1,462	-1.95	0.0083
2017-10-25	2017-09-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	38,322	-2,195		1,462
2019-04-22	2017-06-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	40,517	-14,840	-26.81	1,491	-24.89	0.0091
2017-07-18	2017-06-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	40,517	-14,840		1,491
2019-04-22	2017-03-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	55,357	5,518	11.07	1,985	17.46	0.0136
2017-05-05	2017-03-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	55,357	5,518		1,985
2019-04-22	2016-12-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	49,839	7,497	17.71	1,690	24.36	0.0129
2017-02-14	2016-12-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	49,839	7,497		1,690
2019-04-12	2016-09-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	42,342	8,541	25.27	1,359	15.07	0.0098
2016-11-01	2016-09-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	42,342	8,541		1,359
2019-04-12	2016-06-30	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	33,801	22,456	197.94	1,181	289.77	0.0092
2016-08-12	2016-06-30	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	33,801	22,456		1,181
2019-04-12	2016-03-31	13F/A-1	CALIFORNIA WTR SVC GROUP	COM	130788102	11,345	2,536	28.79	303	47.80	0.0026
2016-04-28	2016-03-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	11,345	2,536		303
2016-01-21	2015-12-31	13F	CALIFORNIA WTR SVC GR	COMMON	130788102	8,809			205

Legend

Shares: The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value: The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price: The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class: This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred

Allocation (%): The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation: The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%): The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis: The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss: This is the market value of the position as of the effective date minus the cost basis.