WestlakeWLK

13F holders, Q1 2025 (March 31)
361holders −17
39new positions
60sold out
6famous investors
$99.99avg. 13F price*

At the end of Q1 2025, 361 institutions reported holding Westlake Corp. (WLK) in their 13F filings, down 17 from Q4 2024. 39 opened new positions and 60 sold out. The largest holders were Victory Capital Management Inc. ($390.1M), BlackRock, Inc. ($366.2M) and Vanguard Group Inc. ($355.1M). 6 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio).

Company
Westlake Corp.
CUSIP
960413102
Latest filing quarter
Q2 2026

History

Number of 13F holders

0100200300400500 Q1 2024: 347Q1 2024Q2 2024: 382Q2 2024Q3 2024: 403Q3 2024Q4 2024: 378Q4 2024Q1 2025: 361Q1 2025Q2 2025: 305Q2 2025Q3 2025: 305Q3 2025Q4 2025: 298Q4 2025Q1 2026: 339Q1 2026Q2 2026: 360Q2 2026

Total Exit/New Position Q4 2024 → Q1 2025

InstitutionsTotal Value
New Positions39$73.7M
Exits60$122.7M

All 13F filers, Q4 2024 → Q1 2025: 5,199,849 shares bought and 3,833,550 shares sold, net +1,366,299 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 361 holders

Victory Capital Management Inc. 0.41% Add +17.7% 3,900,025 $390.1M
BlackRock, Inc. 0.01% Add +0.1% 3,660,406 $366.2M
Vanguard Group Inc. 0.01% Reduce -8.4% 3,550,310 $355.1M
State Street Corp. 0.01% Add +36.5% 1,630,106 $163.1M
FMR LLC 0.01% Add +7.7% 1,548,866 $154.9M
Capital World Investors 0.02% Add +0.2% 1,290,128 $129.1M
Goldman Sachs Group Inc. 0.02% Add +10.9% 1,041,190 $104.2M
Dimensional Fund Advisors LP 0.02% Add +0.6% 939,669 $94.0M
Millennium Management 0.09% Add +366.8% 901,229 $90.1M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.18% Reduce -3.3% 853,831 $85.4M
Citadel Advisors 0.08% Add +25.4% 852,856 $85.3M
Jacobs Levy Equity Management, Inc. 0.31% Reduce -2.9% 775,801 $77.6M
Nuveen, LLC 0.02% — 729,521 $73.0M
Ilex Capital Partners (UK) LLP 2.86% Add +359.8% 699,007 $69.9M
UBS Group AG 0.01% Add +9.2% 609,078 $60.9M
Geode Capital Management, LLC 0.00% Add +3.4% 576,779 $57.6M
Allspring Global Investments Holdings, LLC 0.10% Add +46.6% 551,766 $55.2M
Balyasny Asset Management L.P. 0.13% Reduce -47.5% 521,876 $52.2M
Brandes Investment Partners, LP 0.43% New 421,020 $42.1M
ExodusPoint Capital Management, LP 0.55% Add +21.2% 417,760 $41.8M
Janus Henderson Group PLC 0.02% Add +6.0% 394,521 $39.1M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% Add +7.0% 371,175 $37.1M
Norges Bank 0.01% Reduce -9.3% 368,875 $36.9M
Voloridge Investment Management, LLC 0.13% Add +58.4% 346,970 $34.7M
Northern Trust Corp. 0.00% Add +2.9% 314,618 $31.5M
Renaissance Technologies 0.04% Reduce -20.1% 280,100 $28.0M
Two Sigma Investments, LP 0.06% Add +155.1% 266,071 $26.6M
Morgan Stanley 0.00% Reduce -12.9% 262,556 $26.3M
ProShare Advisors LLC 0.06% Add +4.5% 260,323 $26.0M
Schroder Investment Management Group 0.03% Reduce -31.5% 249,546 $24.7M
Charles Schwab Investment Management Inc. 0.00% Add +3.5% 244,497 $24.5M
Squarepoint Ops LLC 0.06% Add +30.1% 232,058 $23.2M
Deprince Race & Zollo Inc. 0.48% Add +5.6% 230,488 $23.1M
D. E. Shaw & Co. 0.03% Reduce -9.7% 228,357 $22.8M
Bank of America Corp. 0.00% Add +341.2% 221,443 $22.2M
Bank of New York Mellon Corp 0.00% Reduce -2.8% 219,679 $22.0M
Bank of Montreal 0.01% Add +40.5% 210,224 $21.0M
Alyeska Investment Group, L.P. 0.08% Add +83.3% 192,876 $19.3M
First Trust Advisors LP 0.01% Reduce -79.9% 166,559 $16.7M
Two Sigma Advisers, LP 0.04% Add +61.3% 166,100 $16.6M
Robotti Robert 3.30% Add +0.2% 164,696 $16.5M
1832 Asset Management L.P. 0.03% Reduce -59.1% 153,740 $15.4M
Erste Asset Management GmbH 0.20% Add +8.5% 153,201 $15.3M
Legal & General Group Plc 0.00% Reduce -8.0% 144,995 $14.5M
Man Group plc 0.04% Add +263.1% 140,891 $14.1M
Invesco Ltd. 0.00% Reduce -9.2% 134,380 $13.4M
JPMorgan Chase & Co. 0.00% Add +16.0% 129,035 $12.9M
Quantinno Capital Management LP 0.08% Add +43.9% 127,513 $12.8M
Ameriprise Financial Inc. 0.00% Add +10.7% 118,923 $11.9M
Drummond Knight Asset Management Pty Ltd 5.89% Add +37.9% 117,231 $11.7M
Russell Investments Group, Ltd. 0.02% Reduce -10.1% 116,603 $11.7M
Qube Research & Technologies Ltd 0.02% Reduce -2.5% 115,800 $11.6M
Raymond James Financial Inc. 0.00% Reduce -3.4% 112,945 $11.3M
Lazard Asset Management LLC 0.02% Add +12.2% 111,513 $11.2M
Swiss National Bank 0.01% No change 109,000 $10.9M
Barclays PLC 0.00% Reduce -19.5% 106,820 $10.7M
Storebrand Asset Management As 0.03% Reduce -5.1% 106,745 $10.7M
Rhumbline Advisers 0.01% Add +2.4% 100,439 $10.0M
Holocene Advisors, LP 0.03% Add +100.9% 99,073 $9.9M
Wedge Capital Management L L P 0.18% Add +19.5% 94,638 $9.5M
Walnut Level Capital LLC 7.39% Add +28.0% 92,500 $9.3M
Sprott Inc. 0.53% Add +38.5% 90,000 $9.0M
Jane Street Group, LLC 0.02% Add +1018.4% 85,940 $8.6M
Sumitomo Mitsui Trust Group, Inc. 0.01% Reduce -0.5% 79,089 $7.9M
Principal Financial Group Inc. 0.00% Add +0.4% 76,996 $7.7M
Cerity Partners LLC 0.02% Reduce -9.3% 74,928 $7.5M
HITE Hedge Asset Management LLC 0.44% Add +17.9% 71,475 $7.1M
Alliancebernstein L.P. 0.00% Add +7.5% 68,469 $6.8M
HRT Financial LP 0.04% New 68,304 $6.8M
Wells Fargo & Company 0.00% Add +16.1% 61,206 $6.1M
Janney Montgomery Scott LLC 0.02% Add +2.8% 61,134 $6.1M
California Public Employees Retirement System 0.00% Reduce -1.2% 58,830 $5.9M
SG Americas Securities, LLC 0.02% Reduce -42.5% 57,560 $5.8M
Verition Fund Management LLC 0.03% Reduce -15.8% 51,511 $5.2M
Amundi 0.00% Reduce -81.8% 50,770 $4.8M
Thomist Capital Management, LP 1.92% New 46,100 $4.6M
California State Teachers Retirement System 0.01% Add +0.2% 45,195 $4.5M
Retirement Systems of Alabama 0.02% Add +0.1% 40,729 $4.1M
Canada Pension Plan Investment Board 0.00% Reduce -36.4% 39,364 $3.9M
Royal Bank of Canada 0.00% Add +90.0% 38,687 $3.9M
Corebridge Financial, Inc. 0.02% Reduce -2.4% 36,963 $3.7M
Graham Capital Management, L.P. 0.17% Add +105.9% 36,754 $3.7M
Walleye Capital LLC 0.04% Add +412.7% 34,377 $3.4M
Deutsche Bank AG 0.00% Reduce -13.9% 33,230 $3.3M
Weiss Asset Management LP 0.12% New 31,702 $3.2M
Healthcare of Ontario Pension Plan Trust Fund 0.01% Add +52.2% 30,900 $3.1M
Comerica Bank 0.01% Add +3.5% 30,638 $3.1M
LPL Financial LLC 0.00% Add +17.3% 30,421 $3.0M
Mitsubishi UFJ Asset Management Co., Ltd. 0.00% Add +1.0% 29,692 $3.0M
ING Groep NV 0.02% Add +32.7% 29,600 $3.0M
Danske Bank A/S 0.01% Reduce -7.7% 28,712 $2.9M
Citigroup Inc. 0.00% Reduce -14.7% 28,252 $2.8M
State Board of Administration of Florida Retirement System 0.01% No change 27,975 $2.8M
Manufacturers Life Insurance Company, The 0.00% Add +21.0% 27,969 $2.8M
State of Alaska, Department of Revenue 0.03% Add +0.4% 27,858 $2.8M
Magnetar Financial LLC 0.04% New 27,277 $2.7M
National Bank of Canada 0.00% Reduce -0.0% 26,974 $2.7M
KBC Group NV 0.01% Reduce -2.0% 26,695 $2.7M
Envestnet Asset Management Inc. 0.00% Add +45.2% 26,535 $2.7M
BNP Paribas Financial Markets 0.00% Reduce -64.9% 26,356 $2.6M
Manning & Napier Advisors LLC 0.03% Add +39.3% 26,171 $2.6M
CANADA LIFE ASSURANCE Co 0.00% Reduce -5.3% 26,059 $2.6M
State of Wisconsin Investment Board 0.01% Add +15.3% 25,647 $2.6M
Wealthfront Advisers LLC 0.01% Add +61.6% 24,498 $2.5M
Worldquant Millennium Advisors LLC 0.01% No change 22,720 $2.3M
American Century Companies Inc. 0.00% Reduce -46.9% 22,644 $2.3M
Knights of Columbus Asset Advisors LLC 0.15% Reduce -47.8% 22,364 $2.2M
South Dakota Investment Council 0.05% No change 22,135 $2.2M
T. Rowe Price Associates Inc. 0.00% Reduce -4.3% 21,183 $2.1M
Dana Investment Advisors, Inc. 0.07% Reduce -1.2% 19,966 $2.0M
Schonfeld Strategic Advisors LLC 0.01% Reduce -47.1% 19,234 $1.9M
AQR Capital Management 0.00% Add +9.6% 19,094 $1.9M
MetLife Investment Management, LLC 0.01% Reduce -1.5% 18,583 $1.9M
Recurrent Investment Advisors LLC 0.15% Add +19.7% 18,098 $1.8M
APG Asset Management N.V. 0.01% Reduce -2.5% 19,400 $1.8M
State of New Jersey Common Pension Fund D 0.01% Add +6.8% 17,662 $1.8M
Centiva Capital, LP 0.10% Add +156.1% 17,505 $1.8M
Mutual of America Capital Management LLC 0.02% Reduce -2.6% 17,222 $1.7M
Mitsubishi UFJ Trust & Banking Corp 0.00% Reduce -4.2% 17,052 $1.7M
Brevan Howard Capital Management LP 0.05% New 16,207 $1.6M
Cresset Asset Management, LLC 0.01% Reduce -8.0% 16,127 $1.6M
Royal London Asset Management Ltd. 0.00% Add +0.5% 15,982 $1.6M
Ensign Peak Advisors, Inc 0.00% Reduce -37.1% 15,899 $1.6M
Amalgamated Bank 0.01% Reduce -0.7% 15,575 $1.6M
Treasurer of the State of North Carolina 0.01% Add +4.1% 15,342 $1.5M
XTX Topco Ltd 0.08% New 14,995 $1.5M
Pictet Asset Management Holding SA 0.00% Reduce -32.6% 14,897 $1.5M
NorthCoast Asset Management LLC 0.01% Reduce -8.5% 14,664 $1.5M
Aquatic Capital Management LLC 0.04% New 14,126 $1.4M
New York State Common Retirement Fund 0.00% No change 13,975 $1.4M
Oliver Luxxe Assets LLC 0.26% Add +8.8% 13,885 $1.4M
Mn Services Vermogensbeheer B.V. 0.01% Reduce -12.2% 13,700 $1.4M
Gries Financial LLC 0.26% New 13,512 $1.4M
Faithward Advisors, LLC 0.23% Reduce -1.4% 13,234 $1.3M
Korea Investment CORP 0.00% Reduce -7.5% 12,611 $1.3M
Asset Management One Co., Ltd. 0.00% Add +4.6% 12,253 $1.2M
Yousif Capital Management, LLC 0.01% Reduce -0.3% 12,146 $1.2M
KLP Kapitalforvaltning As 0.01% No change 11,900 $1.2M
Resona Asset Management Co.,Ltd. 0.01% No change 11,719 $1.2M
Teachers Retirement System of the State of Kentucky 0.01% No change 11,715 $1.2M
Ameritas Investment Partners, Inc. 0.04% Reduce -1.0% 11,684 $1.2M
Corient Private Wealth LP 0.00% Add +10.6% 11,684 $1.2M
Keeley-Teton Advisors, LLC 0.14% Reduce -14.9% 11,566 $1.2M
Arizona State Retirement System 0.01% Reduce -0.3% 11,166 $1.1M
Susquehanna International Group, LLP 0.00% Add +157.2% 11,084 $1.1M
Nomura Asset Management Co. Ltd. 0.00% Add +1.7% 10,636 $1.1M
HSBC Holdings PLC 0.00% Reduce -59.7% 10,640 $1.1M
Aigen Investment Management, LP 0.17% Add +101.3% 10,572 $1.1M
Public Employees Retirement System of Ohio 0.00% Reduce -10.4% 10,324 $1.0M
iSAM Funds (UK) Ltd 0.51% New 10,300 $1.0M
Axq Capital, LP 0.41% Reduce -16.2% 10,139 $1.0M
Aberdeen Group plc 0.00% New 10,001 $1.0M
Vident Advisory, LLC 0.01% Add +426.3% 9,863 $987K
Louisiana State Employees Retirement System 0.02% Add +1.1% 9,400 $940K
DNB Asset Management AS 0.00% Reduce -70.7% 9,129 $913K
Jefferies Financial Group Inc. 0.02% Add +336.0% 9,108 $911K
Skandinaviska Enskilda Banken AB (publ) 0.00% No change 9,101 $910K
Mercer Global Advisors Inc. 0.00% Reduce -22.5% 9,035 $904K
State of Michigan Retirement System 0.01% Add +1.1% 9,000 $900K
Dark Forest Capital Management LP 0.04% Add +94.2% 8,988 $899K
Sterling Capital Management LLC 0.01% Reduce -7.9% 8,742 $874K
Sei Investments Co. 0.00% Add +11.0% 8,691 $869K
QRG Capital Management, Inc. 0.01% Reduce -15.5% 8,680 $868K
Handelsbanken Fonder AB 0.00% No change 8,600 $860K
Vanguard Personalized Indexing Management, LLC 0.01% Add +19.4% 8,265 $827K
Creative Planning 0.00% Add +18.4% 8,018 $802K
Commonwealth of Pennsylvania Public School Empls Retrmt SYS 0.00% Add +8.2% 7,999 $800K
New York State Teachers Retirement System 0.00% Reduce -2.5% 7,902 $790K
Kestra Investment Management, LLC 0.02% Add +77.3% 7,883 $789K
Thrivent Financial for Lutherans 0.00% Reduce -0.4% 7,846 $785K
Advisors Asset Management, Inc. 0.01% Add +5.8% 7,622 $762K
Northwestern Mutual Investment Management Company, LLC 0.01% Add +0.0% 7,440 $744K
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp 0.00% Reduce -0.0% 7,390 $739K
Stifel Financial Corp. 0.00% Add +259.8% 7,178 $718K
Appian Way Asset Management LP 0.17% Reduce -52.8% 7,165 $717K
Illinois Municipal Retirement Fund 0.01% No change 7,075 $708K
Ashton Thomas Private Wealth, LLC 0.03% New 7,059 $706K
New Mexico Educational Retirement Board 0.03% No change 7,000 $700K
RiverFront Investment Group, LLC 0.02% No change 6,972 $697K
Pathstone Holdings, LLC 0.00% Reduce -1.4% 6,890 $689K
Oregon Public Employees Retirement Fund 0.01% Add +1.5% 6,868 $687K
Xponance LLC 0.01% Reduce -1.5% 6,776 $678K
Pettee Investors, Inc. 0.40% No change 6,711 $671K
Petrus Trust Company, LTA 0.06% Add +4.5% 6,709 $671K
Peterson Wealth Services 0.21% Add +2.8% 6,578 $658K
Caprock Group, LLC 0.02% New 6,551 $655K
Lighthouse Investment Partners, LLC 0.03% New 6,105 $611K
First Eagle Investment Management, LLC 0.00% Add +1.7% 6,088 $609K
Adage Capital Partners Gp, L.L.C. 0.00% Reduce -80.0% 5,988 $599K
O'shaughnessy Asset Management, LLC 0.00% Add +167.3% 5,831 $583K
Allstate Corp. 0.02% New 5,807 $581K
Toronto Dominion Bank 0.00% Add +11.6% 5,791 $579K
Teacher Retirement System of Texas 0.00% New 5,644 $565K
Gotham Asset Management 0.00% Add +33.3% 5,431 $543K
Denali Advisors LLC 0.06% Reduce -1.8% 5,322 $532K
State of Tennessee, Department of Treasury 0.00% Reduce -28.5% 5,213 $521K
Unison Advisors LLC 0.07% Add +0.4% 5,116 $512K
Ostrum Asset Management 0.03% Add +2424.1% 5,023 $502K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% No change 5,018 $502K
Sequent Planning LLC 0.18% Reduce -0.3% 4,980 $498K
Transce3nd, LLC 0.22% Add +13.3% 4,991 $498K
Nissay Asset Management Corp. /Japan 0.00% Add +1.3% 4,940 $494K
Police & Firemen's Retirement System of New Jersey 0.00% No change 4,822 $482K
Wellington Management Group LLP 0.00% Reduce -89.1% 4,674 $468K
IFM Investors Pty Ltd 0.01% No change 4,629 $463K
Truist Financial Corp. 0.00% New 4,581 $458K
Sumitomo Mitsui DS Asset Management Company, Ltd 0.00% Reduce -0.8% 4,512 $451K
Quantbot Technologies LP 0.01% Reduce -83.1% 4,451 $445K
CIBC Asset Management Inc 0.00% Add +3.0% 4,362 $436K
Entropy Technologies, LP 0.04% Reduce -48.7% 4,331 $433K
Polymer Capital Management (US) LLC 0.13% Reduce -51.9% 4,235 $424K
Voya Investment Management LLC 0.00% Add +2.9% 4,190 $419K
OP Asset Management Ltd 0.01% — 4,172 $417K
Twinbeech Capital LP 0.01% Add +76.1% 4,036 $404K
Total Wealth Planning & Management, Inc. 0.41% Add +51.3% 3,965 $397K
Oxford Asset Management LLP 0.18% New 3,948 $395K
Commonwealth Equity Services, LLC 0.00% Add +13.7% 3,835 $384K
Occudo Quantitative Strategies LP 0.05% Add +109.0% 3,777 $374K
TD Asset Management Inc 0.00% Reduce -7.8% 3,688 $369K
Public Employees Retirement Association of Colorado 0.00% No change 3,650 $365K
DekaBank Deutsche Girozentrale 0.00% Reduce -0.6% 3,518 $344K
SummitTX Capital, L.P. 0.01% — 3,352 $335K
Applied Finance Capital Management, LLC 0.02% Add +3.3% 3,232 $323K
Captrust Financial Advisors 0.00% Add +0.3% 3,226 $323K
Prudential Financial Inc. 0.00% Reduce -22.5% 3,206 $321K
Federated Hermes, Inc. 0.00% Reduce -9.7% 3,169 $317K
Inspire Investing, LLC 0.04% Add +39.8% 3,140 $314K
Gulf International Bank (UK) Ltd 0.01% No change 3,068 $306K
Yorktown Management & Research Co Inc 0.33% No change 3,050 $305K
Cetera Investment Advisers 0.00% Add +0.8% 3,030 $303K
Daiwa Securities Group Inc. 0.00% No change 3,024 $302K
Bayesian Capital Management, LP 0.05% New 2,841 $284K
Universal- Beteiligungs- und Servicegesellschaft mbH 0.00% New 2,816 $282K
Neuberger Berman Group LLC 0.00% Reduce -6.0% 2,775 $278K
Engineers Gate Manager LP 0.00% Add +5.3% 2,737 $274K
Avanza Fonder AB 0.01% No change 2,680 $273K
Crossmark Global Holdings, Inc. 0.00% Add +0.8% 2,731 $273K
Versant Capital Management, Inc 0.04% Add +404.1% 2,677 $268K
111 Capital 0.05% New 2,670 $267K
PGGM Investments 0.00% No change 2,668 $267K
Quadrant Capital Group LLC 0.01% Add +267.4% 2,660 $266K
Catalyst Funds Management Pty Ltd 0.07% New 2,600 $260K
Swiss Life Asset Management Ltd 0.00% New 2,583 $258K
HighTower Advisors, LLC 0.00% Reduce -5.8% 2,548 $255K
Nordea Investment Management AB 0.00% Reduce -41.9% 2,560 $252K
Brown Advisory Inc. 0.00% Reduce -1.0% 2,504 $250K
Securian Asset Management, Inc. 0.01% No change 2,503 $250K
Osaic Holdings, Inc. 0.00% Add +12.4% 2,499 $250K
ASR Vermogensbeheer N.V. 0.00% — 2,490 $249K
Oppenheimer & Co. Inc. 0.00% Reduce -2.8% 2,415 $242K
Allianz Asset Management GmbH 0.00% Reduce -26.1% 2,410 $241K
Jump Financial, LLC 0.00% New 2,322 $232K
Quadrature Capital Ltd 0.01% Reduce -43.3% 2,298 $230K
US Bancorp \de 0.00% Add +13.2% 2,295 $230K
Kentucky Retirement Systems 0.01% New 2,289 $229K
Mfa Wealth Advisors, LLC 0.05% New 2,171 $217K
United Services Automobile Association 0.01% New 2,133 $211K
Franklin Resources Inc. 0.00% Reduce -93.5% 2,071 $207K
Eagle Global Advisors LLC 0.01% No change 2,066 $207K
Credit Agricole S A 0.00% Add +0.1% 1,563 $156K
Northwestern Mutual Wealth Management Co. 0.00% Reduce -0.2% 1,548 $155K
Kimelman & Baird, LLC 0.01% No change 1,500 $150K
Macquarie Group Ltd. 0.00% Reduce -55.7% 1,426 $143K
MAI Capital Management 0.00% No change 1,310 $131K
PNC Financial Services Group, Inc. 0.00% Add +3.6% 1,282 $128K
Tower Research Capital LLC (TRC) 0.00% Reduce -77.0% 1,107 $109K
Rakuten Investment Management, Inc. 0.00% — 1,065 $106K
Vestcor Inc 0.00% Reduce -77.7% 888 $89K
Wahed Invest LLC 0.02% Add +32.0% 879 $88K
Allworth Financial LP 0.00% Add +139.5% 922 $87K
BI Asset Management Fondsmaeglerselskab A/S 0.00% No change 622 $62K
Brooklyn Investment Group 0.01% Add +66.0% 601 $60K
Federation des caisses Desjardins du Quebec 0.00% Add +61.3% 579 $58K
Caitong International Asset Management Co., Ltd 0.04% Add +3005.6% 559 $56K
GAMMA Investing LLC 0.00% Add +2.1% 534 $53K
Itau Unibanco Holding S.A. 0.00% Reduce -0.6% 534 $53K
Parallel Advisors, LLC 0.00% Add +33.9% 525 $53K
Fifth Third Bancorp 0.00% Add +71.9% 514 $51K
NewEdge Advisors, LLC 0.00% Reduce -10.8% 498 $50K
Transamerica Financial Advisors, LLC 0.00% Add +12.8% 439 $44K
Signaturefd, LLC 0.00% Add +127.1% 427 $43K
Siemens Fonds Invest GmbH 0.00% New 413 $41K
Cwm, LLC 0.00% Reduce -20.4% 367 $37K
Arcadia Investment Management Corp. 0.01% No change 350 $35K
Private Trust Co. NA 0.00% Add +251.1% 316 $32K
Coldstream Capital Management Inc. 0.00% New 289 $29K
UMB Bank, n.a. 0.00% Add +37.9% 273 $27K
Jones Financial Companies LLLP 0.00% Add +20.9% 254 $25K
Natixis 0.00% Add +27.2% 248 $25K
CIBC Private Wealth Group LLC 0.00% New 287 $24K
Smartleaf Asset Management LLC 0.00% Reduce -10.3% 226 $22K
Livforsakringsbolaget Skandia, Omsesidigt 0.00% No change 200 $20K
CVA Family Office, LLC 0.00% Reduce -10.1% 195 $20K
Arax Advisory Partners 0.00% Add +2262.5% 189 $19K
Nisa Investment Advisors, LLC 0.00% No change 186 $19K
Mirae Asset Global Investments Co., Ltd. 0.00% New 185 $18K
Quent Capital, LLC 0.00% Add +42.2% 165 $17K
CoreCap Advisors, LLC 0.00% Add +32.5% 163 $16K
CI Investments Inc. 0.00% Reduce -7.3% 164 $16K
Lindbrook Capital, LLC 0.00% Add +125.7% 158 $16K
Binnacle Investments Inc 0.01% — 150 $15K
Bessemer Group Inc. 0.00% Add +29.1% 151 $15K
Simplex Trading, LLC 0.00% Reduce -93.5% 146 $14K
Jackson, Grant Investment Advisers, Inc. 0.00% No change 120 $12K
Covestor Ltd 0.01% No change 107 $11K
Farther Finance Advisors, LLC 0.00% Reduce -16.8% 99 $10K
Rise Advisors, LLC 0.00% Reduce -28.7% 82 $8K
Wilmington Savings Fund Society, FSB 0.00% No change 79 $8K
First Horizon Advisors, Inc. 0.00% Add +105.4% 76 $8K
EverSource Wealth Advisors, LLC 0.00% Add +33.9% 75 $8K
Hemington Wealth Management 0.00% Add +42.3% 74 $7K
AlphaQuest LLC 0.00% Add +39.6% 67 $7K
Private Wealth Management Group, LLC 0.00% Reduce -29.2% 63 $6K
Deseret Mutual Benefit Administrators 0.00% No change 62 $6K
Assetmark, Inc. 0.00% Add +1400.0% 60 $6K
True Wealth Design, LLC 0.00% Add +1200.0% 52 $5K
JFS Wealth Advisors, LLC 0.00% Reduce -30.6% 50 $5K
Trust Co. of Vermont 0.00% No change 50 $5K
MassMutual Private Wealth & Trust, FSB 0.00% Add +512.5% 49 $5K
Cetera Trust Company, N.A 0.00% No change 40 $4K
Steward Partners Investment Advisory, LLC 0.00% Reduce -36.1% 39 $4K
Parkside Financial Bank & Trust 0.00% Add +32.1% 37 $4K
Thurston, Springer, Miller, Herd & Titak, Inc. 0.00% Add +227.3% 36 $4K
Bruce G. Allen Investments, LLC 0.00% No change 31 $3K
IFP Advisors, Inc 0.00% Reduce -87.5% 1 $3K
Park Square Financial Group, LLC 0.00% Reduce -3.6% 27 $3K
Harbour Investments, Inc. 0.00% No change 26 $3K
Sierra Ocean, LLC 0.00% Reduce -22.6% 24 $2K
Farmers & Merchants Investments Inc. 0.00% Add +76.9% 23 $2K
Larson Financial Group LLC 0.00% No change 23 $2K
Principal Securities, Inc. 0.00% No change 15 $2K
MV Capital Management, Inc. 0.00% New 16 $2K
Saudi Central Bank 0.01% New 15 $2K
Activest Wealth Management 0.00% Add +1400.0% 15 $2K
Sound Income Strategies, LLC 0.00% No change 15 $2K
Zions Bancorporation, National Association 0.00% — 14 $1K
Bellwether Advisors, LLC 0.00% No change 13 $1K
Bell Investment Advisors, Inc 0.00% Reduce -25.0% 12 $1K
Sachetta, LLC 0.00% Reduce -26.7% 11 $1K
SouthState Bank Corp 0.00% New 11 $1K
DiNuzzo Private Wealth, Inc. 0.00% No change 10 $1K
Ogorek Anthony Joseph /NY/ 0.00% New 18 $1K
Capital Advisors, Ltd. LLC 0.00% Reduce -88.3% 7 $1K
Hantz Financial Services, Inc. 0.00% New 6 $1K
Picton Mahoney Asset Management 0.00% No change 8 $1K
Penserra Capital Management LLC 0.00% No change 12 $1K
SJS Investment Consulting Inc. 0.00% Reduce -25.0% 9 $901
Global Financial Private Client, LLC 0.00% Add +125.0% 9 $900
Raffa Wealth Management, LLC 0.00% No change 9 $900
Core Alternative Capital 0.00% No change 7 $700
Principia Wealth Advisory, LLC 0.00% Add +133.3% 7 $656
WealthTrak Capital Management LLC 0.00% New 5 $501
SWAN Capital LLC 0.00% No change 5 $500
Valued Wealth Advisors LLC 0.00% No change 4 $401
Parkworth Wealth Management, Inc. 0.00% No change 2 $200
Bay Harbor Wealth Management, LLC 0.00% New 2 $200
Financial Management Professionals, Inc. 0.00% No change 2 $200
Cornerstone Planning Group LLC 0.00% Reduce -33.3% 2 $185
HFM Investment Advisors, LLC 0.00% — 1 $101
SBI Securities Co., Ltd. 0.00% Reduce -50.0% 1 $100
Avion Wealth 0.00% New 3 $0

"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.