13F

Stock

Westlake Corp

WLK · held by 295 managers

Reported value

$3.2B

Holders

295

+2 new · −4 exited

Holders’ est. mark

−$7.91M

Price effect on 9 books still in the name

Largest holder

$324.3M

Orbis Allan Gray Ltd

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Orbis Allan Gray Ltd4.39M$324.3M—Held
WELLINGTON MANAGEMENT GROUP LLP4.22M$312.1M—Held
Vanguard3.92M$289.6M—Held
BlackRock, Inc.3.26M$241.2M—Held
Capital World Investors2.17M$160.5M—Held
DIMENSIONAL FUND ADVISORS LP1.89M$139.4M—Held
BRANDES INVESTMENT PARTNERS, LP1.67M$123.5M—Held
State Street1.4M$103.3M—Held
Holocene Advisors, LP1.22M$90.3M—Held
VICTORY CAPITAL MANAGEMENT INC1.11M$82.4M—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC924.7K$68.4M—Held
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.876.9K$64.8M—Held
MORGAN STANLEY759.6K$56.2M−$2.37MCut−$6.69M
GOLDMAN SACHS GROUP INC754K$55.7M—Held
JACOBS LEVY EQUITY MANAGEMENT, INC668.4K$49.4M—Held
Nuveen, LLC652.9K$48.3M—Held
UBS Group AG648K$47.9M—Held
Woodline Partners LP628.2K$46.4M—Held
GEODE CAPITAL MANAGEMENT, LLC594.9K$44M—Held
Allspring Global Investments Holdings, LLC506.8K$37.6M—Held
D. E. Shaw & Co., Inc.486.3K$36M—Held
ProShare Advisors LLC435.3K$32.2M—Held
MILLENNIUM MANAGEMENT LLC427.8K$31.6M—Held
Erste Asset Management GmbH420K$31.1M—Held
ANTIPODES PARTNERS Ltd416.5K$30.8M—Held
Merewether Investment Management, LP388.1K$28.7M—Held
VOLORIDGE INVESTMENT MANAGEMENT, LLC349K$25.8M—Held
JANUS HENDERSON GROUP PLC334.6K$24.7M—Held
NEW YORK STATE COMMON RETIREMENT FUND309.6K$22.9M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC297.2K$22M—Held
Engineers Gate Manager LP289.3K$21.4M—Held
NORTHERN TRUST CORP268.6K$19.9M—Held
ROBOTTI ROBERT256.2K$18.9M—Held
VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V.235.9K$17.4M—Held
Ceredex Value Advisors LLC235.6K$17.4M—Held
Fidelity228.8K$16.9M—Held
Invesco Ltd.213.2K$15.8M—Held
DEPRINCE RACE & ZOLLO INC204.2K$15.1M—Held
Citadel203.3K$15M—Held
TWO SIGMA INVESTMENTS, LP198.4K$14.7M—Held
DIAMOND HILL CAPITAL MANAGEMENT INC190.2K$14.1M—Held
BANK OF AMERICA CORP /DE/184.4K$13.6M−$575.4KCut−$2.46M
NORGES BANK181.3K$13.4M−$4.73MCut−$23.5M
Bank of New York Mellon Corp174.3K$12.9M—Held
Russell Investments Group, Ltd.158.3K$11.7M—Held
ExodusPoint Capital Management, LP154.4K$11.4M—Held
FIRST TRUST ADVISORS LP146.4K$10.8M—Held
TWO SIGMA ADVISERS, LP144.7K$10.7M—Held
SPROTT INC.140K$10.4M—Held
Cerity Partners LLC127.1K$9.4M—Held
Quantinno Capital Management LP116.4K$8.6M—Held
Thomist Capital Management, LP111.9K$8.36M—Held
FEDERATED HERMES, INC.107.7K$7.97M—Held
Alyeska Investment Group, L.P.103K$7.62M—Held
BNP PARIBAS FINANCIAL MARKETS92.2K$6.82M—Held
WELLS FARGO & COMPANY/MN91.9K$6.79M—Held
NATIXIS87.9K$6.5M—Held
RHUMBLINE ADVISERS85.4K$6.32M—Held
ROYAL BANK OF CANADA85.3K$6.3M—Held
Swiss National Bank75.9K$5.61M—Held
Recurrent Investment Advisors LLC75.6K$5.59M—Held
Select Equity Group, L.P.75K$5.55M—Held
LAZARD ASSET MANAGEMENT LLC74.4K$5.5M—Held
AGMAN CAPITAL LLC72.3K$5.34M—Held
PRINCIPAL FINANCIAL GROUP INC71.7K$5.3M—Held
ALLIANCEBERNSTEIN L.P.68.4K$5.06M—Held
JPMORGAN CHASE & CO67.3K$4.98M—Held
BARCLAYS PLC66.6K$4.93M−$207.8KCut−$2.91M
PDT Partners, LLC65K$4.8M—Held
Jain Global LLC62K$4.59M—Held
Legal & General Group Plc57.3K$4.23M—Held
HITE Hedge Asset Management LLC52.2K$3.86M—Held
Corient Private Wealth LLC50.7K$3.75M—Held
AMERIPRISE FINANCIAL INC49.1K$3.63M—Held
Walleye Capital LLC47.7K$3.52M—Held
California Public Employees Retirement System46.8K$3.46M—Held
WEDGE CAPITAL MANAGEMENT L L P/NC42.8K$3.17M—Held
Retirement Systems of Alabama40K$2.96M—Held
Quantbot Technologies LP39.6K$2.93M—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM36.1K$2.67M—Held
VARCOV Co.35.6K$2.63M—Held
LUMINUS MANAGEMENT LLC35.2K$2.6M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE33.5K$2.47M—Held
Hudson Bay Capital Management LP30.4K$2.25M−$10.9KAdded$1.98M
COMERICA BANK28.5K$2.11M—Held
SEI INVESTMENTS CO28.4K$2.1M—Held
ENVESTNET ASSET MANAGEMENT INC27.9K$2.06M—Held
Aventail Capital Group, LP27.8K$2.05M—Held
CITIGROUP INC27.3K$2.02M—Held
BANK OF MONTREAL /CAN/26.9K$1.99M—Held
Verition Fund Management LLC26.1K$1.93M—Held
STATE OF WISCONSIN INVESTMENT BOARD25.7K$1.9M—Held
OCCUDO QUANTITATIVE STRATEGIES LP25.2K$1.86M—Held
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM24.1K$1.78M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP23.8K$1.76M—Held
AMG National Trust Bank23.3K$1.73M—Held
Icahn Capital20.5K$1.52M—Held
Entropy Technologies, LP20.1K$1.49M—Held
Ameritas Investment Partners, Inc.20.1K$1.48M—Held
MACKENZIE FINANCIAL CORP19.8K$1.48M—Held
Alberta Investment Management Corp19.7K$1.46M—New
Dana Investment Advisors, Inc.19.2K$1.42M—Held
STIFEL FINANCIAL CORP18.9K$1.4M—Held
AMERICAN CENTURY COMPANIES INC18.3K$1.35M—Held
Jump Financial, LLC17.6K$1.3M—Held
MetLife Investment Management, LLC16.3K$1.2M—Held
Sciencast Management LP15.6K$1.15M—Held
Summit Trail Advisors, LLC15.6K$1.15M—Held
STOREBRAND ASSET MANAGEMENT AS15.4K$1.14M—Held
State of Tennessee, Department of Treasury12.9K$1.03M—Held
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLC13.9K$1.03M—Held
Zurcher Kantonalbank (Zurich Cantonalbank)13.4K$988.4K—Held
LPL Financial LLC12.6K$935.2K—Held
YOUSIF CAPITAL MANAGEMENT, LLC11.1K$927.7K—Held
Marnell Management LLC11.7K$865.1K—Held
Walnut Level Capital LLC11.4K$843.2K—Held
ARIZONA STATE RETIREMENT SYSTEM10.8K$798.1K—Held
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO10.1K$743.5K—Held
Mitsubishi UFJ Asset Management Co., Ltd.9.98K$740K—Held
Weiss Asset Management LP9.93K$734.1K—New
Vanguard Personalized Indexing Management, LLC9.76K$721.3K—Held
Brevan Howard Capital Management LP9.47K$700.1K—Held
Louisiana State Employees Retirement System9.2K$680.2K—Held
Gotham Asset Management, LLC9.2K$680.2K—Held
Universal- Beteiligungs- und Servicegesellschaft mbH9.18K$678.9K—Held
ALPINE WOODS CAPITAL INVESTORS, LLC8.99K$664.6K—Held
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS8.35K$617.1K—Held
KLP KAPITALFORVALTNING AS8.2K$606.3K—Held
CANADA PENSION PLAN INVESTMENT BOARD7.93K$586.4K—Held
STATE OF MICHIGAN RETIREMENT SYSTEM7.9K$584.1K—Held
State of Wyoming7.82K$578.5K—Held
Creative Planning7.68K$568.2K—Held
NORTHWESTERN MUTUAL INVESTMENT MANAGEMENT COMPANY, LLC7.46K$551.7K—Held
Oak Thistle LLC7.17K$530.1K—Held
Edgestream Partners, L.P.7.09K$524.6K—Held
Pettee Investors, Inc.6.71K$496.2K—Held
OREGON PUBLIC EMPLOYEES RETIREMENT FUND6.67K$493K—Held
Polymer Capital Management (US) LLC6.5K$480.6K—Held
RiverFront Investment Group, LLC6.5K$480.4K—Held
Advisors Asset Management, Inc.6.05K$447.1K—Held
Pictet Asset Management Holding SA6.03K$445.5K—Held
Schonfeld Strategic Advisors LLC6.01K$444.5K—Held
Numerai GP LLC5.79K$428.3K—Held
Police & Firemen's Retirement System of New Jersey5.68K$420.3K—Held
Storgate, LLC5.38K$397.8K—Held
Unison Advisors LLC5.21K$385.6K—Held
AlphaQuest LLC5.19K$383.9K—Held
Pathstone Holdings, LLC4.65K$343.7K—Held
CAXTON ASSOCIATES LLP4.62K$341.2K—Held
Inspire Investing, LLC4.4K$325.6K—Held
GUGGENHEIM CAPITAL LLC4.17K$308.6K—Held
CI INVESTMENTS INC.4.13K$305.2K—Held
Atria Investments, Inc4.07K$301.1K—Held
Pacer Advisors, Inc.3.99K$294.9K—Held
CIBC Asset Management Inc3.98K$294.1K—Held
GAMCO INVESTORS, INC. ET AL3.94K$291.4K—Held
MERCER GLOBAL ADVISORS INC /ADV3.92K$290.1K—Held
Assenagon Asset Management S.A.3.79K$280.2K—Held
DARK FOREST CAPITAL MANAGEMENT LP3.75K$277.3K—Held
Sanctuary Advisors, LLC3.44K$254.4K−$10.7KCut−$19.1K
Cetera Investment Advisers3.15K$233.2K—Held
RAYMOND JAMES FINANCIAL INC3.12K$230.8K—Held
CAPSTONE INVESTMENT ADVISORS, LLC3.12K$230.6K—Held
XPONANCE LLC3.1K$229.3K—Held
Total Wealth Planning & Management, Inc.2.96K$218.5K—Held
Odyssean, LLC2.9K$214.6K—Held
iSAM Funds (UK) Ltd2.83K$209.1K—Held
Federation des caisses Desjardins du Quebec2.56K$189.2K—Held
Lloyd Advisory Services, LLC.2.44K$180.8K—Held
SECURIAN ASSET MANAGEMENT, INC2.4K$177.7K—Held
CoreFirst Bank & Trust2.22K$164.1K—Held
PRICE T ROWE ASSOCIATES INC /MD/2.21M$163.3K—Held
Virtus Investment Advisers, LLC2.19K$161.6K—Held
US BANCORP \DE\2.01K$148.6K—Held
SIMPLEX TRADING, LLC1.98K$146.5K—Held
Sterling Capital Management LLC1.98K$146.2K—Held
MANNING & NAPIER ADVISORS LLC1.75K$130.7K—Held
Kimelman & Baird, LLC1.5K$110.9K—Held
Allworth Financial LP1.44K$106.3K−$4.49KCut−$4.79K
WEXFORD CAPITAL LP1.34K$99.4K—Held
PNC Financial Services Group, Inc.1.33K$98.7K—Held
MAI Capital Management1.32K$97.3K—Held
Kestra Advisory Services, LLC1.14K$84.2K—Held
DEUTSCHE BANK AG\1.08K$80.2K—Held
Rockefeller Capital Management L.P.955$70.6K—Held
NOMURA ASSET MANAGEMENT CO LTD896$66.3K—Held
Aster Capital Management (DIFC) Ltd820$60.6K—Held
Transamerica Financial Advisors, LLC805$59.5K—Held
STRS OHIO800$59.2K—Held
Tower Research Capital LLC (TRC)764$56.5K—Held
NewEdge Advisors, LLC745$55.1K—Held
FIFTH THIRD BANCORP562$41.6K—Held
THOMPSON SIEGEL & WALMSLEY LLC536.3K$39.7K—Held
GAMMA Investing LLC464$34.3K—Held
QUADRANT CAPITAL GROUP LLC447$33.1K—Held
Quarry LP426$31.5K—Held
UMB Bank, n.a.393$29.1K—Held
Parallel Advisors, LLC355$26.2K—Held
JONES FINANCIAL COMPANIES LLLP306$22.6K—Held
Spire Wealth Management306$22.6K—Held
Farther Finance Advisors, LLC300$22.2K—Held
DV Trading LLC300$22.2K—Held
OSAIC HOLDINGS, INC.280$20.7K—Held
NATIONAL BANK OF CANADA /FI/275$20.3K—Held
MassMutual Private Wealth & Trust, FSB274$20.3K—Held
Parkside Financial Bank & Trust268$19.8K—Held
Quent Capital, LLC232$17.2K—Held
NBC SECURITIES, INC.204$15.1K—Held
CIBC Private Wealth Group LLC191$14.1K—Held
Blue Trust, Inc.186$13.8K—Held
EverSource Wealth Advisors, LLC170$12.6K—Held
TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY165.3K$12.2K—Held
Cullen/Frost Bankers, Inc.164$12.1K—Held
LOS ANGELES CAPITAL MANAGEMENT LLC157$10.7K—Held
SIGNATUREFD, LLC142$10.5K—Held
Deseret Mutual Benefit Administrators133$9.83K—Held
HUNTINGTON NATIONAL BANK119$8.8K—Held
Clearstead Advisors, LLC109$8.06K—Held
Smartleaf Asset Management LLC101$7.56K—Held
Ancora Advisors LLC97$7.17K—Held
PRIVATE TRUST CO NA90$6.66K—Held
Transce3nd, LLC71$5.8K—Held
Pinnacle Bancorp, Inc.58$4.29K—Held
Pinnacle Wealth Planning Services, Inc.58$4.29K—Held
Sachetta, LLC54$3.99K—Held
First Eagle Investment Management, LLC53$3.92K—Held
NISA INVESTMENT ADVISORS, LLC50$3.7K—Held
TRUST CO OF VERMONT50$3.7K—Held
IFP Advisors, Inc40$2.96K−$124Cut−$19.2K
SageView Advisory Group, LLC40$2.96K—Held
TD Waterhouse Canada Inc.40$2.96K—Held
ASSETMARK, INC39$2.88K—Held
SG Americas Securities, LLC37K$2.74K—Held
HARBOUR INVESTMENTS, INC.37$2.74K—Held
Private Wealth Management Group, LLC36$2.66K—Held
Torren Management, LLC34$2.5K—Held
Bruce G. Allen Investments, LLC31$2.29K—Held
FARMERS & MERCHANTS INVESTMENTS INC30$2.22K—Held
CoreCap Advisors, LLC24$1.77K—Held
Steward Partners Investment Advisory, LLC24$1.77K—Held
Root Financial Partners, LLC24$1.77K—Held
FIRST HORIZON CORP24$1.77K—Held
Peterson Wealth Services23$1.7K—Held
Global Wealth Strategies & Associates23$1.7K—Held
Larson Financial Group LLC23$1.7K—Held
KBC Group NV22.2K$1.64K−$69Cut−$480
Global Retirement Partners, LLC21$1.55K—Held
Manchester Capital Management LLC21$1.55K—Held
BROWN BROTHERS HARRIMAN & CO21$1.55K—Held
South Dakota Investment Council20.2K$1.5K—Held

Who left

Positions as of Q4 2025. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.