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

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.