WestlakeWLK
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 298 institutions reported holding Westlake Corp. (WLK) in their 13F filings, down 7 from Q3 2025. 51 opened new positions and 64 sold out. The largest holders were Orbis Allan Gray Ltd ($324.3M), Wellington Management Group LLP ($312.1M) and Vanguard Group Inc. ($289.6M). 6 famous investors held it, including David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio), Israel Englander (0.0% of Millennium Management's portfolio) and Ken Griffin (0.0% of Citadel Advisors's portfolio).
- Company
- Westlake Corp.
- CUSIP
- 960413102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 51 | $259.9M |
| Exits | 64 | $221.9M |
All 13F filers, Q3 2025 → Q4 2025: 12,546,722 shares bought and 7,954,847 shares sold, net +4,591,875 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 298 holders
| Orbis Allan Gray Ltd | 1.36% | Add +12.1% | 4,386,635 | $324.3M |
| Wellington Management Group LLP | 0.05% | Add +7239.1% | 4,220,717 | $312.1M |
| Vanguard Group Inc. | 0.00% | Add +13.9% | 3,917,329 | $289.6M |
| BlackRock, Inc. | 0.00% | Add +2.4% | 3,261,433 | $241.2M |
| T. Rowe Price Associates Inc. | 0.02% | Add +0.0% | 2,208,715 | $163.3M |
| Capital World Investors | 0.02% | New | 2,171,324 | $160.5M |
| Dimensional Fund Advisors LP | 0.03% | Add +45.0% | 1,885,678 | $139.4M |
| Brandes Investment Partners, LP | 0.94% | Add +7.8% | 1,670,327 | $123.5M |
| State Street Corp. | 0.00% | Add +7.8% | 1,396,633 | $103.3M |
| Holocene Advisors, LP | 0.19% | Add +42.9% | 1,220,622 | $90.3M |
| Victory Capital Management Inc. | 0.05% | Reduce -61.1% | 1,113,819 | $82.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.01% | Add +0.8% | 924,704 | $68.4M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.10% | Add +2.4% | 876,885 | $64.8M |
| Morgan Stanley | 0.00% | Reduce -6.9% | 759,623 | $56.2M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -28.3% | 753,953 | $55.7M |
| Jacobs Levy Equity Management, Inc. | 0.19% | Reduce -22.3% | 668,405 | $49.4M |
| Nuveen, LLC | 0.01% | Reduce -4.9% | 652,909 | $48.3M |
| UBS Group AG | 0.01% | Add +15.6% | 648,012 | $47.9M |
| Woodline Partners LP | 0.18% | Add +224.2% | 628,159 | $46.4M |
| Geode Capital Management, LLC | 0.00% | Reduce -8.9% | 594,922 | $44.0M |
| Thompson Siegel & Walmsley LLC | 0.67% | Add +21.5% | 536,290 | $39.7M |
| Allspring Global Investments Holdings, LLC | 0.06% | Reduce -7.2% | 506,756 | $37.6M |
| D. E. Shaw & Co. | 0.03% | Add +203.9% | 486,281 | $36.0M |
| ProShare Advisors LLC | 0.06% | Add +3.0% | 435,261 | $32.2M |
| Millennium Management | 0.02% | Add +302.3% | 427,754 | $31.6M |
| Erste Asset Management GmbH | 0.26% | Add +61.5% | 420,000 | $31.1M |
| ANTIPODES PARTNERS Ltd | 0.65% | Reduce -25.1% | 416,520 | $30.8M |
| Merewether Investment Management, LP | 0.66% | Add +44.6% | 388,100 | $28.7M |
| Voloridge Investment Management, LLC | 0.09% | Reduce -11.5% | 348,953 | $25.8M |
| Janus Henderson Group PLC | 0.01% | Reduce -8.6% | 334,593 | $24.7M |
| New York State Common Retirement Fund | 0.03% | No change | 309,626 | $22.9M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +8.9% | 297,248 | $22.0M |
| Engineers Gate Manager LP | 0.25% | New | 289,255 | $21.4M |
| Northern Trust Corp. | 0.00% | Add +12.8% | 268,634 | $19.9M |
| Robotti Robert | 3.40% | Add +40.9% | 256,244 | $18.9M |
| Van Lanschot Kempen Investment Management N.V. | 0.15% | Add +20.3% | 235,919 | $17.4M |
| Ceredex Value Advisors LLC | 0.52% | New | 235,618 | $17.4M |
| FMR LLC | 0.00% | Reduce -27.2% | 228,843 | $16.9M |
| Invesco Ltd. | 0.00% | Add +58.3% | 213,157 | $15.8M |
| Deprince Race & Zollo Inc. | 0.29% | Add +8.1% | 204,226 | $15.1M |
| Citadel Advisors | 0.01% | Reduce -83.1% | 203,303 | $15.0M |
| Two Sigma Investments, LP | 0.02% | Add +92.7% | 198,379 | $14.7M |
| Diamond Hill Capital Management, LLC (Investment Advisor) | 0.07% | New | 190,180 | $14.1M |
| Bank of America Corp. | 0.00% | Reduce -11.7% | 184,435 | $13.6M |
| Norges Bank | 0.00% | — | 181,328 | $13.4M |
| Bank of New York Mellon Corp | 0.00% | Reduce -2.1% | 174,318 | $12.9M |
| Teachers Retirement System of the State of Kentucky | 0.09% | No change | 165,315 | $12.2M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -14.3% | 158,321 | $11.7M |
| ExodusPoint Capital Management, LP | 0.13% | New | 154,391 | $11.4M |
| First Trust Advisors LP | 0.01% | Reduce -11.2% | 146,411 | $10.8M |
| Two Sigma Advisers, LP | 0.02% | Add +96.3% | 144,700 | $10.7M |
| Sprott Inc. | 0.37% | Add +7.7% | 140,000 | $10.4M |
| Cerity Partners LLC | 0.01% | Add +53.0% | 127,095 | $9.4M |
| Quantinno Capital Management LP | 0.02% | Add +78.4% | 116,366 | $8.6M |
| Thomist Capital Management, LP | 2.28% | Add +142.2% | 111,900 | $8.4M |
| Federated Hermes, Inc. | 0.01% | Add +3456.6% | 107,730 | $8.0M |
| Alyeska Investment Group, L.P. | 0.02% | Reduce -14.1% | 103,041 | $7.6M |
| BNP Paribas Financial Markets | 0.00% | Reduce -51.7% | 92,223 | $6.8M |
| Wells Fargo & Company | 0.00% | Reduce -5.4% | 91,879 | $6.8M |
| Natixis | 0.03% | New | 87,872 | $6.5M |
| Rhumbline Advisers | 0.01% | Reduce -3.9% | 85,432 | $6.3M |
| Royal Bank of Canada | 0.00% | Reduce -77.7% | 85,270 | $6.3M |
| Swiss National Bank | 0.00% | New | 75,900 | $5.6M |
| Recurrent Investment Advisors LLC | 0.41% | Add +317.7% | 75,633 | $5.6M |
| Select Equity Group, L.P. | 0.03% | New | 74,997 | $5.5M |
| Lazard Asset Management LLC | 0.01% | Add +2.5% | 74,428 | $5.5M |
| Agman Capital LLC | 4.55% | — | 72,283 | $5.3M |
| Principal Financial Group Inc. | 0.00% | Reduce -3.2% | 71,719 | $5.3M |
| Alliancebernstein L.P. | 0.00% | Add +2.5% | 68,448 | $5.1M |
| JPMorgan Chase & Co. | 0.00% | Reduce -57.3% | 67,320 | $5.0M |
| Barclays PLC | 0.00% | Reduce -34.5% | 66,613 | $4.9M |
| PDT Partners, LLC | 0.31% | Add +232.9% | 64,977 | $4.8M |
| Jain Global LLC | 0.05% | Add +399.7% | 62,043 | $4.6M |
| Legal & General Group Plc | 0.00% | Add +56.3% | 57,251 | $4.2M |
| HITE Hedge Asset Management LLC | 0.25% | Reduce -47.9% | 52,153 | $3.9M |
| Corient Private Wealth LP | 0.01% | Add +53.6% | 50,715 | $3.7M |
| Ameriprise Financial Inc. | 0.00% | Reduce -41.8% | 49,117 | $3.6M |
| Walleye Capital LLC | 0.02% | Reduce -67.9% | 47,657 | $3.5M |
| California Public Employees Retirement System | 0.00% | Reduce -0.1% | 46,760 | $3.5M |
| Wedge Capital Management L L P | 0.06% | Add +8.8% | 42,841 | $3.2M |
| Retirement Systems of Alabama | 0.01% | Reduce -0.7% | 40,027 | $3.0M |
| Quantbot Technologies LP | 0.10% | Reduce -30.3% | 39,607 | $2.9M |
| SG Americas Securities, LLC | 0.00% | Add +433.4% | 37,011 | $2.7M |
| California State Teachers Retirement System | 0.00% | Add +1628.0% | 36,098 | $2.7M |
| VARCOV Co. | 1.04% | — | 35,597 | $2.6M |
| Luminus Management LLC | 2.40% | New | 35,189 | $2.6M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +19.1% | 33,451 | $2.5M |
| Hudson Bay Capital Management LP | 0.01% | Add +770.8% | 30,443 | $2.3M |
| Comerica Bank | 0.01% | Add +0.8% | 28,483 | $2.1M |
| Sei Investments Co. | 0.00% | Add +92.6% | 28,442 | $2.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +1.5% | 27,870 | $2.1M |
| Aventail Capital Group, LP | 0.12% | Reduce -64.6% | 27,764 | $2.1M |
| Citigroup Inc. | 0.00% | Reduce -76.7% | 27,337 | $2.0M |
| Bank of Montreal | 0.00% | Reduce -40.4% | 26,923 | $2.0M |
| Verition Fund Management LLC | 0.01% | Reduce -4.0% | 26,078 | $1.9M |
| State of Wisconsin Investment Board | 0.00% | New | 25,711 | $1.9M |
| Occudo Quantitative Strategies LP | 0.12% | Reduce -8.1% | 25,180 | $1.9M |
| State Board of Administration of Florida Retirement System | 0.00% | No change | 24,115 | $1.8M |
| Susquehanna International Group, LLP | 0.00% | Add +169.1% | 23,801 | $1.8M |
| AMG National Trust Bank | 0.04% | New | 23,330 | $1.7M |
| KBC Group NV | 0.00% | Reduce -19.4% | 22,222 | $1.6M |
| AQR Capital Management | 0.00% | Reduce -60.9% | 20,535 | $1.5M |
| South Dakota Investment Council | 0.03% | Reduce -9.8% | 20,235 | $1.5M |
| Entropy Technologies, LP | 0.08% | Add +246.2% | 20,137 | $1.5M |
| Ameritas Investment Partners, Inc. | 0.05% | Add +7.7% | 20,082 | $1.5M |
| Mackenzie Financial Corp. | 0.00% | Reduce -21.7% | 19,833 | $1.5M |
| Alberta Investment Management Corp | 0.01% | New | 19,700 | $1.5M |
| CANADA LIFE ASSURANCE Co | 0.00% | Add +27.1% | 19,331 | $1.4M |
| Dana Investment Advisors, Inc. | 0.04% | Reduce -0.2% | 19,164 | $1.4M |
| Stifel Financial Corp. | 0.00% | Add +12.9% | 18,921 | $1.4M |
| American Century Companies Inc. | 0.00% | Add +1.1% | 18,301 | $1.4M |
| Jump Financial, LLC | 0.02% | Reduce -77.4% | 17,600 | $1.3M |
| MetLife Investment Management, LLC | 0.01% | Reduce -4.9% | 16,295 | $1.2M |
| Sciencast Management LP | 0.16% | New | 15,619 | $1.2M |
| Summit Trail Advisors, LLC | 0.02% | Add +18.1% | 15,561 | $1.2M |
| Storebrand Asset Management As | 0.00% | Reduce -72.5% | 15,405 | $1.1M |
| Amalgamated Bank | 0.01% | Reduce -1.7% | 15,045 | $1.1M |
| Treasurer of the State of North Carolina | 0.00% | Reduce -6.8% | 13,998 | $1.0M |
| State of Tennessee, Department of Treasury | 0.00% | Add +158.3% | 12,946 | $1.0M |
| Mutual of America Capital Management LLC | 0.01% | Reduce -9.9% | 13,880 | $1.0M |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | New | 13,367 | $988K |
| LPL Financial LLC | 0.00% | Add +2.3% | 12,648 | $935K |
| Yousif Capital Management, LLC | 0.01% | Reduce -1.4% | 11,055 | $928K |
| Marnell Management LLC | 0.66% | — | 11,700 | $865K |
| Walnut Level Capital LLC | 0.67% | Reduce -80.2% | 11,404 | $843K |
| Arizona State Retirement System | 0.00% | New | 10,794 | $798K |
| Public Employees Retirement System of Ohio | 0.00% | Reduce -3.7% | 10,056 | $744K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Add +57.1% | 9,980 | $740K |
| Weiss Asset Management LP | 0.01% | New | 9,928 | $734K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Add +4.4% | 9,755 | $721K |
| Brevan Howard Capital Management LP | 0.01% | Add +27.8% | 9,468 | $700K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -1.1% | 9,200 | $680K |
| Gotham Asset Management | 0.00% | Reduce -58.3% | 9,199 | $680K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Reduce -3.1% | 9,182 | $679K |
| Alpine Woods Capital Investors, LLC | 0.16% | New | 8,989 | $665K |
| Handelsbanken Fonder AB | 0.00% | Add +4.7% | 8,900 | $658K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -2.5% | 8,346 | $617K |
| KLP Kapitalforvaltning As | 0.00% | New | 8,200 | $606K |
| Canada Pension Plan Investment Board | 0.00% | Add +52.2% | 7,931 | $586K |
| State of Michigan Retirement System | 0.00% | No change | 7,900 | $584K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 3,540 | $583K |
| State of Wyoming | 0.06% | New | 7,824 | $579K |
| Creative Planning | 0.00% | Reduce -42.3% | 7,685 | $568K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.0% | 7,510 | $555K |
| Northwestern Mutual Investment Management Company, LLC | 0.01% | Add +0.4% | 7,462 | $552K |
| Oak Thistle LLC | 0.07% | New | 7,170 | $530K |
| Edgestream Partners, L.P. | 0.01% | New | 7,095 | $525K |
| BI Asset Management Fondsmaeglerselskab A/S | 0.00% | Add +90.2% | 7,037 | $520K |
| New Mexico Educational Retirement Board | 0.02% | No change | 7,000 | $518K |
| Pettee Investors, Inc. | 0.28% | No change | 6,711 | $496K |
| Oregon Public Employees Retirement Fund | 0.01% | No change | 6,668 | $493K |
| Polymer Capital Management (US) LLC | 0.06% | Reduce -59.9% | 6,500 | $481K |
| RiverFront Investment Group, LLC | 0.01% | Reduce -6.8% | 6,497 | $480K |
| Advisors Asset Management, Inc. | 0.01% | Reduce -20.6% | 6,047 | $447K |
| Pictet Asset Management Holding SA | 0.00% | New | 6,025 | $445K |
| Schonfeld Strategic Advisors LLC | 0.00% | Reduce -86.9% | 6,012 | $445K |
| Numerai GP LLC | 0.05% | New | 5,792 | $428K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,684 | $420K |
| Storgate, LLC | 0.33% | — | 5,380 | $398K |
| New York State Teachers Retirement System | 0.00% | No change | 5,225 | $386K |
| Unison Advisors LLC | 0.03% | Add +0.7% | 5,215 | $386K |
| AlphaQuest LLC | 0.02% | Add +706.2% | 5,192 | $384K |
| Pathstone Holdings, LLC | 0.00% | Reduce -48.4% | 4,649 | $344K |
| Caxton Associates LLP | 0.01% | New | 4,615 | $341K |
| Inspire Investing, LLC | 0.03% | Add +10.3% | 4,404 | $326K |
| Guggenheim Capital LLC | 0.00% | New | 4,174 | $309K |
| CI Investments Inc. | 0.00% | Reduce -1.3% | 4,128 | $305K |
| Daiwa Securities Group Inc. | 0.00% | Add +2.9% | 4,108 | $304K |
| Atria Investments, Inc | 0.00% | Add +6.2% | 4,072 | $301K |
| Pacer Advisors, Inc. | 0.00% | Reduce -33.6% | 3,988 | $295K |
| CIBC Asset Management Inc | 0.00% | Reduce -9.2% | 3,977 | $294K |
| GAMCO Investors | 0.00% | Reduce -4.8% | 3,941 | $291K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -7.5% | 3,923 | $290K |
| Assenagon Asset Management S.A. | 0.00% | New | 3,790 | $280K |
| Dark Forest Capital Management LP | 0.01% | Reduce -93.5% | 3,750 | $277K |
| AlphaGrep UK Ltd | 0.09% | — | 3,471 | $257K |
| Sanctuary Advisors, LLC | 0.00% | Reduce -3.0% | 3,441 | $254K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -9.3% | 3,309 | $244K |
| Cetera Investment Advisers | 0.00% | Reduce -32.6% | 3,154 | $233K |
| Raymond James Financial Inc. | 0.00% | Reduce -34.4% | 3,121 | $231K |
| Capstone Investment Advisors, LLC | 0.00% | New | 3,119 | $231K |
| Xponance LLC | 0.00% | Reduce -17.1% | 3,101 | $229K |
| Claret Asset Management Corp | 0.03% | Reduce -0.2% | 3,007 | $222K |
| Total Wealth Planning & Management, Inc. | 0.17% | — | 2,955 | $218K |
| Odyssean, LLC | 0.15% | — | 2,903 | $215K |
| iSAM Funds (UK) Ltd | 0.08% | New | 2,828 | $209K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +17.0% | 2,559 | $189K |
| Lloyd Advisory Services, LLC. | 0.07% | New | 2,445 | $181K |
| Securian Asset Management, Inc. | 0.01% | No change | 2,403 | $178K |
| CoreFirst Bank & Trust | 0.09% | Reduce -1.3% | 2,220 | $164K |
| Virtus Investment Advisers, LLC | 0.04% | New | 2,186 | $162K |
| US Bancorp \de | 0.00% | Reduce -17.4% | 2,010 | $149K |
| Simplex Trading, LLC | 0.00% | New | 1,981 | $146K |
| Sterling Capital Management LLC | 0.00% | Reduce -4.3% | 1,977 | $146K |
| Manning & Napier Advisors LLC | 0.00% | Reduce -58.3% | 1,745 | $131K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 1,704 | $126K |
| Covestor Ltd | 0.06% | Reduce -6.6% | 1,662 | $123K |
| Hantz Financial Services, Inc. | 0.00% | Add +109.9% | 1,553 | $115K |
| Kimelman & Baird, LLC | 0.01% | No change | 1,500 | $111K |
| Allworth Financial LP | 0.00% | Reduce -0.3% | 1,438 | $106K |
| Wexford Capital LP | 0.03% | New | 1,344 | $99K |
| PNC Financial Services Group, Inc. | 0.00% | Reduce -13.5% | 1,335 | $99K |
| MAI Capital Management | 0.00% | Add +0.5% | 1,316 | $97K |
| Kestra Advisory Services, LLC | 0.00% | New | 1,138 | $84K |
| Deutsche Bank AG | 0.00% | New | 1,084 | $80K |
| Rockefeller Capital Management L.P. | 0.00% | Add +219.4% | 955 | $71K |
| Nomura Asset Management Co. Ltd. | 0.00% | No change | 896 | $66K |
| Aster Capital Management (DIFC) Ltd | 0.03% | New | 820 | $61K |
| Transamerica Financial Advisors, LLC | 0.01% | Add +37.4% | 805 | $59K |
| STRS Ohio | 0.00% | Add +0.1% | 800 | $59K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -50.1% | 764 | $56K |
| NewEdge Advisors, LLC | 0.00% | No change | 745 | $55K |
| Fifth Third Bancorp | 0.00% | Add +71.3% | 562 | $42K |
| GAMMA Investing LLC | 0.00% | Add +5.2% | 464 | $34K |
| Quadrant Capital Group LLC | 0.00% | Reduce -94.3% | 447 | $33K |
| Quarry LP | 0.01% | New | 426 | $31K |
| UMB Bank, n.a. | 0.00% | Reduce -32.0% | 393 | $29K |
| Parallel Advisors, LLC | 0.00% | Reduce -54.4% | 355 | $26K |
| Cwm, LLC | 0.00% | Reduce -49.3% | 346 | $26K |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.00% | New | 338 | $25K |
| Jones Financial Companies LLLP | 0.00% | Reduce -24.6% | 306 | $23K |
| Spire Wealth Management | 0.00% | Add +12.5% | 306 | $23K |
| DV Trading LLC | 0.00% | — | 300 | $22K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -40.4% | 300 | $22K |
| Osaic Holdings, Inc. | 0.00% | Reduce -91.4% | 280 | $21K |
| National Bank of Canada | 0.00% | Reduce -4.2% | 275 | $20K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +18.6% | 274 | $20K |
| Parkside Financial Bank & Trust | 0.00% | Add +470.2% | 268 | $20K |
| Quent Capital, LLC | 0.00% | Add +14.3% | 232 | $17K |
| Lanark Financial, Inc. | 0.00% | No change | 204 | $15K |
| CIBC Private Wealth Group LLC | 0.00% | Reduce -72.2% | 191 | $14K |
| Blue Trust, Inc. | 0.00% | Add +1140.0% | 186 | $14K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -13.7% | 170 | $13K |
| Cullen/Frost Bankers, Inc. | 0.00% | Add +23.3% | 164 | $12K |
| Los Angeles Capital Management LLC | 0.00% | New | 157 | $11K |
| Signaturefd, LLC | 0.00% | Reduce -68.7% | 142 | $10K |
| Deseret Mutual Benefit Administrators | 0.00% | Add +114.5% | 133 | $10K |
| Huntington National Bank | 0.00% | Reduce -66.0% | 119 | $9K |
| Clearstead Advisors, LLC | 0.00% | Add +336.0% | 109 | $8K |
| Smartleaf Asset Management LLC | 0.00% | Reduce -15.8% | 101 | $8K |
| Ancora Advisors LLC | 0.00% | New | 97 | $7K |
| Private Trust Co. NA | 0.00% | No change | 90 | $7K |
| Transce3nd, LLC | 0.05% | No change | 71 | $6K |
| Pinnacle Bancorp, Inc. | 0.00% | Add +34.9% | 58 | $4K |
| Pinnacle Wealth Planning Services, Inc. | 0.00% | New | 58 | $4K |
| Sachetta, LLC | 0.00% | Add +107.7% | 54 | $4K |
| First Eagle Investment Management, LLC | 0.00% | New | 53 | $4K |
| Trust Co. of Vermont | 0.00% | No change | 50 | $4K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -84.9% | 50 | $4K |
| Basecamp Wealth Advisors LLC | 0.00% | — | 40 | $3K |
| IFP Advisors, Inc | 0.00% | Reduce -86.1% | 40 | $3K |
| SageView Advisory Group, LLC | 0.00% | New | 40 | $3K |
| TD Waterhouse Canada Inc. | 0.00% | Reduce -20.0% | 40 | $3K |
| Assetmark, Inc. | 0.00% | Reduce -58.5% | 39 | $3K |
| Harbour Investments, Inc. | 0.00% | Add +428.6% | 37 | $3K |
| Private Wealth Management Group, LLC | 0.00% | Reduce -77.9% | 36 | $3K |
| Torren Management, LLC | 0.00% | — | 34 | $3K |
| Bruce G. Allen Investments, LLC | 0.00% | Reduce -20.5% | 31 | $2K |
| Farmers & Merchants Investments Inc. | 0.00% | No change | 30 | $2K |
| CoreCap Advisors, LLC | 0.00% | Add +380.0% | 24 | $2K |
| Root Financial Partners, LLC | 0.00% | Reduce -35.1% | 24 | $2K |
| Steward Partners Investment Advisory, LLC | 0.00% | Reduce -60.7% | 24 | $2K |
| First Horizon Corp. | 0.00% | Reduce -50.0% | 24 | $2K |
| Peterson Wealth Services | 0.00% | Reduce -98.8% | 23 | $2K |
| Global Wealth Strategies & Associates | 0.00% | New | 23 | $2K |
| Larson Financial Group LLC | 0.00% | No change | 23 | $2K |
| Manchester Capital Management LLC | 0.00% | Reduce -75.0% | 21 | $2K |
| Brown Brothers Harriman & Co. | 0.00% | New | 21 | $2K |
| Global Retirement Partners, LLC | 0.00% | Add +23.5% | 21 | $2K |
| Arax Advisory Partners | 0.00% | Reduce -99.7% | 20 | $1K |
| AdvisorNet Financial, Inc | 0.00% | New | 19 | $1K |
| True Wealth Design, LLC | 0.00% | Add +350.0% | 18 | $1K |
| Versant Capital Management, Inc | 0.00% | Reduce -85.3% | 18 | $1K |
| Rothschild Investment LLC | 0.00% | Reduce -11.8% | 15 | $1K |
| JFS Wealth Advisors, LLC | 0.00% | New | 14 | $1K |
| Ogorek Anthony Joseph /NY/ | 0.00% | No change | 18 | $1K |
| Avion Wealth | 0.00% | Reduce -17.6% | 14 | $1K |
| Fortitude Family Office, LLC | 0.00% | Reduce -28.6% | 10 | $739 |
| Raffa Wealth Management, LLC | 0.00% | No change | 9 | $665 |
| Principia Wealth Advisory, LLC | 0.00% | No change | 8 | $592 |
| SouthState Bank Corp | 0.00% | Reduce -27.3% | 8 | $592 |
| Picton Mahoney Asset Management | 0.00% | No change | 8 | $592 |
| American Capital Advisory, LLC | 0.00% | New | 7 | $518 |
| Rialto Wealth Management, LLC | 0.00% | New | 7 | $518 |
| Rakuten Securities, Inc. | 0.00% | Add +500.0% | 6 | $444 |
| SWAN Capital LLC | 0.00% | No change | 5 | $370 |
| MV Capital Management, Inc. | 0.00% | Reduce -87.8% | 5 | $370 |
| Cromwell Holdings LLC | 0.00% | Add +100.0% | 4 | $296 |
| Optima Capital LLC | 0.00% | New | 3 | $222 |
| DiNuzzo Private Wealth, Inc. | 0.00% | Reduce -50.0% | 2 | $148 |
| Bay Harbor Wealth Management, LLC | 0.00% | Add +100.0% | 2 | $147 |
| Valued Wealth Advisors LLC | 0.00% | No change | 1 | $76 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $74 |
| Hughes Financial Services, LLC | 0.00% | New | 1 | $74 |
| HFM Investment Advisors, LLC | 0.00% | No change | 1 | $74 |
| Keating Financial Advisory Services, Inc. | 0.00% | — | 1 | $74 |
| Dunhill Financial, LLC | 0.00% | New | 1 | $53 |
| Penserra Capital Management LLC | 0.00% | No change | 9 | $0 |
"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.