Skip to content

CWT CALIFORNIA WTR SVC GROUP

Follow

COM (common), issuer CIK 1035201

332 managers (339 13F filers) reported a position in CWT shares at 2026-03-31, 51,267,516 shares in all. 40 filers opened a position and 32 filers sold out during the quarter.

Managers
332
13F filers
339
New
40
Added
140
Reduced
88
Sold out
32
Shares held by filers
51,267,516

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.10,308,555$467M0.01%-372,79613F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding7,474,597$339MnewTimeline
Amundiin group Amundi3,470,997$157M0.04%+732,00413F-HRTimelineGroup
T. Rowe Price Investment Management, In…3,418,294$155M0.11%+81,08913F-HRTimeline
STATE STREET CORPin group STATE STREET CORP3,102,659$141M<0.01%+72,70913F-HRTimelineGroup
NUANCE INVESTMENTS, LLC1,603,748$72.7M10.14%-221,64213F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC1,475,405$66.9M<0.01%+54,45513F-HRTimelineGroup
FMR LLCin group FMR LLC1,390,014$63M<0.01%-406,13413F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP1,354,165$61.4M0.04%-13,81313F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP1,158,359$52.5M0.01%+4,42813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,118,705$50.7M<0.01%+351,67113F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.1,002,232$45.4M<0.01%+47,99813F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc777,542$35.3M0.01%+13,69513F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co728,456$33M0.01%+17,78813F-HRTimelineGroup
CBRE INVESTMENT MANAGEMENT LISTED REAL …647,515$29.4M0.44%-74,83013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP637,303$28.9M<0.01%+25,75113F-HRTimelineGroup
KBC Group NVin group KBC Group NV577,247$26.2M0.07%+130,62013F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp506,702$23M<0.01%+1,86613F-HRTimelineGroup
Nuveen, LLCin group TIAA425,114$19.3M0.01%-14,96013F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding420,559$19.1M-28,363Timeline
Triodos Investment Management BV414,000$18.8M1.42%013F-HRTimeline
Beck Bode, LLC411,714$18.7M3.16%+23,29613F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC321,315$14.6M0.01%+5,85013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC294,518$13.4M<0.01%+12,63013F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC289,623$13.1M0.01%+5,60013F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC283,976$12.9M<0.01%+57,68613F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC261,258$11.8M0.01%+133,24213F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …257,970$11.7M0.01%+208,06113F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP256,767$11.6M0.01%new13F-HRTimelineGroup
Public Sector Pension Investment Board213,166$9.66M0.03%+6,96913F-HRTimeline
Qube Research & Technologies Ltd186,926$8.48M0.01%+176,83513F-HRTimeline
RHUMBLINE ADVISERS174,397$7.91M0.01%+73213F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC169,731$7.7M<0.01%+108,59213F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO151,087$6.96M<0.01%-74,79913F-HR/ATimelineGroup
ProShare Advisors LLC152,050$6.89M0.01%+1,42313F-HRTimeline
Mariner, LLCin group Mariner, LLC138,231$6.27M0.01%+51,13413F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC136,151$6.17M<0.01%-10,95913F-HR/ATimelineGroup
Meiji Yasuda Asset Management Co Ltd.in group Meiji Yasuda Life Insurance Co134,116$6.08M0.3%+49,31713F-HRTimelineGroup
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.129,191$5.86M0.01%+7,17113F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC123,278$5.59M0.01%+79,89413F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/121,899$5.53M<0.01%+22,82513F-HRTimelineGroup
Swiss National Bank117,500$5.33M<0.01%013F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…105,960$4.8M0.02%-6,19213F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P103,980$4.71M0.12%+22,53313F-HRTimeline
CRAWFORD INVESTMENT COUNSEL INC102,989$4.67M0.08%+11,00013F-HRTimeline
RENAISSANCE TECHNOLOGIES LLC100,400$4.55M0.01%-11,50013F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\95,417$4.33M<0.01%+8,42713F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co94,557$4.3M0.01%-2,62413F-HRTimelineGroup
Trexquant Investment LP86,599$3.93M0.03%-48,99313F-HRTimeline
DUFF & PHELPS INVESTMENT MANAGEMENT CO85,115$3.86M0.04%new13F-HR/ATimeline
PRICE T ROWE ASSOCIATES INC /MD/83,413$3.78M<0.01%+9,03313F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.82,792$3.75M<0.01%+16,60113F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP76,976$3.49M<0.01%+53,90013F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources67,573$3.06M<0.01%+17,18013F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC66,489$3.01M0.01%-14,43013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…63,026$2.86M0.01%+2413F-HRTimeline
ALLIANCEBERNSTEIN L.P.65,816$2.85M<0.01%-17,43813F-HRTimeline
Maryland State Retirement & Pension Sys…61,780$2.8M0.06%-2,71713F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC61,553$2.79M<0.01%-8,28013F-HRTimelineGroup
Magellan Asset Management Ltdin group Magellan Asset Management Ltd61,416$2.78M0.04%+12,68213F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC61,281$2.78M<0.01%-28,87613F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…60,360$2.74M0.01%+17,75313F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …60,272$2.73M<0.01%+24,64113F-HRTimelineGroup
NORTHSTAR ASSET MANAGEMENT INC59,981$2.72M0.83%-22,88013F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE58,862$2.67M<0.01%+5,31813F-HRTimelineGroup
TD Asset Management Inc58,038$2.63M<0.01%013F-HRTimeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…56,273$2.55M<0.01%-44513F-HRTimeline
MACQUARIE GROUP LTDin group MACQUARIE GROUP LTD53,445$2.42M0.01%+19,81313F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO52,883$2.4M<0.01%+29,79713F-HRTimelineGroup
Midwest Trust Co52,833$2.4M0.03%-1,59513F-HRTimeline
EXCHANGE TRADED CONCEPTS, LLC52,812$2.39M0.02%+1,43713F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN52,807$2.39M<0.01%-45,79513F-HR/ATimelineGroup
FIDEURAM - INTESA SANPAOLO PRIVATE BANK…51,806$2.35M0.08%-2,60113F-HRTimeline
Rodgers Brothers Inc.50,025$2.27M0.26%-2,15013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC49,573$2.25M<0.01%-72,94813F-HRTimelineGroup
Clear Harbor Asset Management, LLC49,311$2.24M0.15%-34913F-HRTimeline
STOREBRAND ASSET MANAGEMENT AS49,165$2.23M0.01%-8,38413F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC49,016$2.22M<0.01%new13F-HRTimelineGroup
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…48,678$2.21M0.01%+74813F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…47,167$2.14M<0.01%+4,03713F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…46,984$2.13M<0.01%+9,66013F-HRTimeline
WEDGE CAPITAL MANAGEMENT L L P/NC44,565$2.02M0.04%new13F-HRTimeline
SG Americas Securities, LLC44,335$2.01M<0.01%+4,51513F-HRTimeline
HRT FINANCIAL LP43,235$1.96M<0.01%+9,03413F-HRTimeline
GABELLI FUNDS LLCin group GAMCO Investors (Gabelli)43,200$1.96M0.01%013F-HRTimelineGroup
KORNITZER CAPITAL MANAGEMENT INC /KS42,500$1.93M0.04%new13F-HRTimeline
MACKENZIE FINANCIAL CORP41,040$1.86M<0.01%+25,40613F-HRTimeline
Vontobel Holding Ltd.in group Vontobel Holding Ltd.40,145$1.82M0.01%+6,52913F-HRTimelineGroup
Bridge City Capital, LLC38,292$1.74M0.48%-28413F-HRTimeline
CAPITAL FUND MANAGEMENT S.A.37,327$1.69M0.02%+13,05013F-HRTimeline
NIA IMPACT ADVISORS, LLC35,916$1.63M0.72%-1,30013F-HRTimeline
South Dakota Investment Council34,715$1.57M0.03%+4,80013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC34,698$1.57M<0.01%-138,03213F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC33,422$1.52M<0.01%+9,71813F-HRTimelineGroup
MetLife Investment Management, LLCin group MetLife Investment Management…33,075$1.5M0.01%-26213F-HRTimelineGroup
CANADA PENSION PLAN INVESTMENT BOARD32,700$1.48M<0.01%013F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC31,770$1.44M0.03%+2,85513F-HRTimeline
State of Alaska, Department of Revenue31,223$1.41M0.02%-94013F-HRTimeline
Illinois Municipal Retirement Fund30,703$1.39M0.02%-3,13213F-HRTimeline
NEW YORK STATE COMMON RETIREMENT FUND30,544$1.38M<0.01%013F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…29,884$1.35M<0.01%+29,55913F-HRTimelineGroup
Arjuna Capital28,638$1.3M0.33%+58613F-HRTimeline
CoreCommodity Management, LLC28,561$1.29M0.24%-3,12313F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…28,312$1.28M<0.01%+23,62813F-HRTimelineGroup
Focus Partners Wealthin group Focus Partners Wealth28,180$1.28M<0.01%+1,81813F-HRTimelineGroup
HighTower Advisors, LLC27,852$1.26M<0.01%+2,55213F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD26,752$1.21M<0.01%-7,14213F-HRTimeline
Louisiana State Employees Retirement Sy…26,400$1.2M0.02%-90013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …26,383$1.2M<0.01%-92413F-HRTimelineGroup
Allworth Financial LP26,265$1.19M<0.01%+32713F-HRTimeline
Elo Mutual Pension Insurance Co26,099$1.18M0.02%new13F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson25,873$1.17M<0.01%013F-HR/ATimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC25,216$1.14M<0.01%new13F-HRTimeline
IQ EQ FUND MANAGEMENT (IRELAND) Ltd24,268$1.1M0.08%+97813F-HRTimeline
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP24,116$1.09M<0.01%+1,01113F-HRTimelineGroup
LPL Financial LLC22,892$1.04M<0.01%+91313F-HRTimeline
Handelsbanken Fonder AB22,716$1.03M<0.01%013F-HRTimeline
Canvas Wealth Advisors, LLC22,624$1.03M0.17%-46013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS22,485$1.02M<0.01%-9,11613F-HRTimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/22,141$1M<0.01%+40213F-HRTimelineGroup
Campbell & CO Investment Adviser LLC21,566$978K0.06%+8,32913F-HRTimeline
CenterBook Partners LP20,763$941K0.05%-13,49813F-HRTimeline
Freestone Grove Partners LP20,524$931K0.01%+1,88213F-HRTimeline
Y-Intercept (Hong Kong) Ltd20,082$911K0.02%+12613F-HRTimeline
Teton Advisors, LLC20,060$910K0.64%013F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …19,360$881K<0.01%+2,00413F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd19,379$879K0.02%-17,44013F-HRTimelineGroup
WULFF, HANSEN & CO.19,375$878K0.9%-25013F-HRTimeline
Cerity Partners LLCin group Cerity Partners LLC19,116$867K<0.01%+1,37913F-HRTimelineGroup
Creative Planningin group Creative Planning18,240$827K<0.01%+5,27813F-HRTimelineGroup
ALPS ADVISORS INCin group ALPS ADVISORS INC18,035$818K<0.01%-87413F-HRTimelineGroup
Virtue Capital Management, LLC17,578$807K0.12%+12,84513F-HRTimeline
AMALGAMATED BANK17,163$778K0.01%-15613F-HRTimeline
Police & Firemen's Retirement System of…16,681$756K0.01%013F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…16,472$747K<0.01%-5,21513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…16,459$746K<0.01%013F-HRTimeline
Abacus Wealth Partners, LLC16,386$743K0.07%+3,86713F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM16,380$743K<0.01%-53113F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC15,881$720K0.01%-23413F-HRTimeline
Quantinno Capital Management LP14,895$675K<0.01%+1,74013F-HRTimeline
Federation des caisses Desjardins du Qu…14,845$673K<0.01%+3,65513F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…14,769$670K0.01%013F-HRTimeline
Ethic Inc.14,472$656K0.01%+4,08113F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC14,345$650K<0.01%+61613F-HRTimeline
KLP KAPITALFORVALTNING AS14,200$644K<0.01%013F-HRTimeline
NISA INVESTMENT ADVISORS, LLC14,126$640K<0.01%+14813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC13,849$628K<0.01%-38,20213F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC13,840$628K0.01%-10,05413F-HRTimeline
Cetera Investment Advisers13,714$622K<0.01%+76113F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND13,614$617K0.01%013F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC13,423$609K<0.01%+30913F-HRTimelineGroup
Cullen Capital Management, LLC13,079$593K0.01%+5,95413F-HRTimeline
Atria Investments, Inc13,079$593K0.01%+98113F-HRTimeline
FARMERS & MERCHANTS TRUST Co OF LONG BE…13,000$589K0.14%013F-HRTimeline
MERCER GLOBAL ADVISORS INC /ADV12,667$574K<0.01%-42513F-HRTimeline
State of Tennessee, Department of Treas…12,535$568K<0.01%013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF O…11,921$540K<0.01%+4813F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA11,206$508K<0.01%-1,94013F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…11,184$507K<0.01%+1,16513F-HRTimelineGroup
CAPTRUST FINANCIAL ADVISORS11,047$501K<0.01%+1,66813F-HRTimeline
D.A. DAVIDSON & CO.10,894$494K<0.01%+41113F-HRTimeline
CWM, LLCin group CWM, LLC10,873$493K<0.01%+5,04713F-HRTimelineGroup
Perigon Wealth Management, LLC10,692$485K0.01%+48613F-HRTimeline
WEALTH ENHANCEMENT ADVISORY SERVICES, L…10,445$483K<0.01%+49513F-HRTimeline
Daiwa Securities Group Inc.in group Daiwa Securities Group Inc.10,654$483K<0.01%-36113F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd10,524$477K0.01%+2,11113F-HRTimelineGroup
Resona Asset Management Co.,Ltd.in group Resona Asset Management Co.,L…10,359$470K<0.01%013F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers10,135$460K<0.01%new13F-HRTimelineGroup
Clean Yield Group10,135$460K0.13%-80013F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…9,597$435K<0.01%new13F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…9,131$414K0.01%+8,28113F-HRTimelineGroup
Sovereign Financial Group, Inc.8,788$398K0.07%-1213F-HRTimeline
Connor, Clark & Lunn Investment Managem…8,315$377K<0.01%new13F-HRTimeline
Entropy Technologies, LP8,134$369K0.02%-11913F-HRTimeline
WEDBUSH SECURITIES INC8,100$367K0.01%new13F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC8,002$363K<0.01%-1,50113F-HRTimelineGroup
Baird Financial Group, Inc.in group Baird Financial Group, Inc.7,913$359K<0.01%+49013F-HRTimelineGroup
Green Alpha Advisors, LLC7,843$356K0.35%-31013F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…7,737$351K<0.01%013F-HRTimeline
PRAXIS INVESTMENT MANAGEMENT INC7,671$348K0.02%+1,99113F-HRTimeline
BLACKHILL CAPITAL INC7,600$345K0.02%013F-HRTimeline
GLENMEDE TRUST CO NAin group GLENMEDE TRUST CO NA7,546$342K<0.01%-4413F-HRTimelineGroup
Sound Income Strategies, LLC7,210$328K0.02%013F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.7,217$327K<0.01%+1,33713F-HRTimelineGroup
SPIRIT OF AMERICA MANAGEMENT CORP/NY7,150$324K0.06%+65013F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP7,017$318K0.03%new13F-HRTimeline
Ketron Financial6,900$313K0.11%013F-HRTimeline
DZ BANK AG Deutsche Zentral Genossensch…in group DZ BANK AG Deutsche Zentral G…6,830$310K<0.01%013F-HRTimelineGroup
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…6,820$309K<0.01%+913F-HRTimelineGroup
Wealth Architects, LLC6,755$306K0.03%-30613F-HRTimeline
Maple Capital Management, Inc.6,667$302K0.02%013F-HRTimeline
PFG Investments, LLC6,635$301K0.01%+313F-HRTimeline
Ensign Peak Advisors, Inc6,614$300K<0.01%+1,70013F-HR/ATimeline
HUTCHINSON CAPITAL MANAGEMENT/CA6,612$300K0.06%013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC6,573$298K<0.01%new13F-HRTimelineGroup
XPONANCE LLC6,505$295K<0.01%+1,77213F-HRTimeline
ELCO Management Co., LLC6,463$293K0.14%013F-HRTimeline
Holocene Advisors, LP6,376$289K<0.01%-6,67713F-HRTimeline
TRUE Private Wealth Advisors6,200$281K0.03%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\6,133$278K<0.01%+20713F-HRTimelineGroup