WESTLAKE CHEM CORP

Ticker: WLK CUSIP: 960413102 Class: Common Stock

Note: Option positions (PUT/CALL) are excluded.

InstitutionSharesValue ($000)
Orbis Allan Gray Ltd4,386,635$324,348
WELLINGTON MANAGEMENT GROUP LLP4,220,717$312,080
VANGUARD GROUP INC3,917,329$289,647
BlackRock, Inc.3,261,433$241,150
PRICE T ROWE ASSOCIATES INC /MD/2,208,715$163
Capital World Investors2,171,324$160,548
DIMENSIONAL FUND ADVISORS LP1,885,678$139,431
BRANDES INVESTMENT PARTNERS, LP1,670,327$123,505
STATE STREET CORP1,396,633$103,267
Holocene Advisors, LP1,220,622$90,253
VICTORY CAPITAL MANAGEMENT INC1,113,819$82,356
UBS ASSET MANAGEMENT AMERICAS INC924,704$68,373
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.876,885$64,838
MORGAN STANLEY759,623$56,167
GOLDMAN SACHS GROUP INC753,953$55,747
JACOBS LEVY EQUITY MANAGEMENT, INC668,405$49,422
Nuveen, LLC652,909$48,276
UBS Group AG648,012$47,914
Woodline Partners LP628,159$46,446
GEODE CAPITAL MANAGEMENT, LLC594,922$43,997
THOMPSON SIEGEL & WALMSLEY LLC536,290$40
Allspring Global Investments Holdings, LLC506,756$37,576
D. E. Shaw & Co., Inc.486,281$35,956
ProShare Advisors LLC435,261$32,183
MILLENNIUM MANAGEMENT LLC427,754$31,628
Erste Asset Management GmbH420,000$31,055
ANTIPODES PARTNERS Ltd416,520$30,800
Merewether Investment Management, LP388,100$28,696
VOLORIDGE INVESTMENT MANAGEMENT, LLC348,953$25,802
JANUS HENDERSON GROUP PLC334,593$24,741
NEW YORK STATE COMMON RETIREMENT FUND309,626$22,894
CHARLES SCHWAB INVESTMENT MANAGEMENT INC297,248$21,979
Engineers Gate Manager LP289,255$21,388
NORTHERN TRUST CORP268,634$19,863
ROBOTTI ROBERT256,244$18,947
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.235,919$17,444
Ceredex Value Advisors LLC235,618$17,422
FMR LLC228,843$16,921
Invesco Ltd.213,157$15,761
DEPRINCE RACE & ZOLLO INC204,226$15,100
CITADEL ADVISORS LLC203,303$15,032
TWO SIGMA INVESTMENTS, LP198,379$14,668
DIAMOND HILL CAPITAL MANAGEMENT INC190,180$14,062
BANK OF AMERICA CORP /DE/184,435$13,637
NORGES BANK181,328$13,407
Bank of New York Mellon Corp174,318$12,889
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY165,315$12
Russell Investments Group, Ltd.158,321$11,706
ExodusPoint Capital Management, LP154,391$11,416
FIRST TRUST ADVISORS LP146,411$10,826
TWO SIGMA ADVISERS, LP144,700$10,699
SPROTT INC.140,000$10,352
Cerity Partners LLC127,095$9,397
Quantinno Capital Management LP116,366$8,604
Thomist Capital Management, LP111,900$8,365
FEDERATED HERMES, INC.107,730$7,966
Alyeska Investment Group, L.P.103,041$7,619
BNP PARIBAS ARBITRAGE, SA92,223$6,819
WELLS FARGO & COMPANY/MN91,879$6,794
NATIXIS87,872$6,497
RHUMBLINE ADVISERS85,432$6,317
ROYAL BANK OF CANADA85,270$6,305
Swiss National Bank75,900$5,612
Recurrent Investment Advisors LLC75,633$5,592
Select Equity Group, L.P.74,997$5,545
LAZARD ASSET MANAGEMENT LLC74,428$5,503
AGMAN CAPITAL LLC72,283$5,345
PRINCIPAL FINANCIAL GROUP INC71,719$5,303
ALLIANCEBERNSTEIN L.P.68,448$5,061
JPMORGAN CHASE & CO67,320$4,978
BARCLAYS PLC66,613$4,925
PDT Partners, LLC64,977$4,804
Jain Global LLC62,043$4,587
Legal & General Group Plc57,251$4,233
HITE Hedge Asset Management LLC52,153$3,856
Corient Private Wealth LLC50,715$3,750
AMERIPRISE FINANCIAL INC49,117$3,632
Walleye Capital LLC47,657$3,524
CALIFORNIA PUBLIC EMPLOYEES RETIREMENT SYSTEM46,760$3,457
WEDGE CAPITAL MANAGEMENT L L P/NC42,841$3,168
Retirement Systems of Alabama40,027$2,960
Quantbot Technologies LP39,607$2,929
SG Americas Securities, LLC37,011$3
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM36,098$2,669
VARCOV Co.35,597$2,632
LUMINUS MANAGEMENT LLC35,189$2,602
MANUFACTURERS LIFE INSURANCE COMPANY, THE33,451$2,473
Hudson Bay Capital Management LP30,443$2,251
COMERICA BANK28,483$2,106
SEI INVESTMENTS CO28,442$2,103
ENVESTNET ASSET MANAGEMENT INC27,870$2,061
Aventail Capital Group, LP27,764$2,053
CITIGROUP INC27,337$2,021
BANK OF MONTREAL /CAN/26,923$1,991
Verition Fund Management LLC26,078$1,928
STATE OF WISCONSIN INVESTMENT BOARD25,711$1,901
OCCUDO QUANTITATIVE STRATEGIES LP25,180$1,862
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM24,115$1,783
SUSQUEHANNA INTERNATIONAL GROUP, LLP23,801$1,760
AMG National Trust Bank23,330$1,725
194 other institutions809,430$49,256
Total (294 institutions)46,382,713$3,201,453