WestlakeWLK
13F holders, Q3 2025 (September 30)At the end of Q3 2025, 305 institutions reported holding Westlake Corp. (WLK) in their 13F filings, unchanged from Q2 2025. 57 opened new positions and 53 sold out. The largest holders were Orbis Allan Gray Ltd ($301.6M), Vanguard Group Inc. ($265.1M) and BlackRock, Inc. ($245.5M). 9 famous investors held it, including Ken Griffin (0.1% of Citadel Advisors's portfolio), Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Westlake Corp.
- CUSIP
- 960413102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $475.0M |
| Exits | 53 | $85.0M |
All 13F filers, Q2 2025 → Q3 2025: 10,694,091 shares bought and 7,095,052 shares sold, net +3,599,039 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 305 holders
| Orbis Allan Gray Ltd | 1.29% | New | 3,914,411 | $301.6M |
| Vanguard Group Inc. | 0.00% | Reduce -2.4% | 3,439,631 | $265.1M |
| BlackRock, Inc. | 0.00% | Reduce -4.3% | 3,185,736 | $245.5M |
| Victory Capital Management Inc. | 0.13% | Reduce -23.0% | 2,866,360 | $220.9M |
| T. Rowe Price Associates Inc. | 0.02% | Add +7.3% | 2,208,143 | $170.2M |
| Brandes Investment Partners, LP | 0.96% | Add +6.3% | 1,548,694 | $119.3M |
| Dimensional Fund Advisors LP | 0.02% | Add +2.0% | 1,300,240 | $100.2M |
| State Street Corp. | 0.00% | Reduce -7.0% | 1,295,242 | $99.8M |
| Citadel Advisors | 0.08% | Add +9658.3% | 1,200,851 | $92.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -0.7% | 1,051,397 | $81.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.02% | Add +40.7% | 917,273 | $70.7M |
| Jacobs Levy Equity Management, Inc. | 0.26% | Reduce -12.6% | 860,723 | $66.3M |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.11% | Add +1.4% | 855,976 | $66.0M |
| Holocene Advisors, LP | 0.15% | Add +440.1% | 854,184 | $65.8M |
| Morgan Stanley | 0.00% | Add +76.4% | 815,629 | $62.9M |
| Nuveen, LLC | 0.01% | Reduce -22.5% | 686,539 | $52.9M |
| Geode Capital Management, LLC | 0.00% | Add +13.7% | 653,086 | $50.3M |
| UBS Group AG | 0.01% | Add +26.4% | 560,480 | $43.2M |
| ANTIPODES PARTNERS Ltd | 0.96% | Reduce -32.5% | 555,904 | $42.8M |
| Allspring Global Investments Holdings, LLC | 0.07% | Add +4.9% | 546,151 | $41.9M |
| Balyasny Asset Management L.P. | 0.08% | Add +495.8% | 475,743 | $36.7M |
| Thompson Siegel & Walmsley LLC | 0.55% | New | 441,340 | $34.0M |
| ProShare Advisors LLC | 0.07% | Add +19.0% | 422,640 | $32.6M |
| Voloridge Investment Management, LLC | 0.10% | Reduce -24.2% | 394,307 | $30.4M |
| Royal Bank of Canada | 0.01% | Add +74.7% | 381,586 | $29.4M |
| Caisse de depot et placement du Quebec | 0.05% | New | 368,318 | $28.4M |
| Janus Henderson Group PLC | 0.01% | Add +70.8% | 365,984 | $28.2M |
| FMR LLC | 0.00% | Reduce -80.5% | 314,350 | $24.2M |
| New York State Common Retirement Fund | 0.03% | Add +1.0% | 309,626 | $23.9M |
| Arrowstreet Capital, Limited Partnership | 0.01% | Add +3.3% | 299,728 | $23.1M |
| Charles Schwab Investment Management Inc. | 0.00% | Add +6.3% | 272,962 | $21.0M |
| Merewether Investment Management, LP | 0.49% | New | 268,400 | $20.7M |
| Schroder Investment Management Group | 0.02% | Add +5.0% | 261,562 | $20.1M |
| Erste Asset Management GmbH | 0.19% | Add +51.6% | 260,000 | $20.0M |
| Northern Trust Corp. | 0.00% | Add +2.2% | 238,139 | $18.4M |
| Bank of America Corp. | 0.00% | Add +50.7% | 208,897 | $16.1M |
| Van Lanschot Kempen Investment Management N.V. | 0.13% | Add +7.2% | 196,043 | $15.1M |
| Woodline Partners LP | 0.07% | Reduce -40.8% | 193,786 | $14.9M |
| BNP Paribas Financial Markets | 0.01% | Add +3.0% | 190,966 | $14.7M |
| Deprince Race & Zollo Inc. | 0.29% | Reduce -25.4% | 189,009 | $14.6M |
| Russell Investments Group, Ltd. | 0.02% | Add +42.9% | 184,631 | $14.2M |
| Robotti Robert | 2.43% | Reduce -0.5% | 181,851 | $14.0M |
| Bank of New York Mellon Corp | 0.00% | Reduce -3.4% | 177,982 | $13.7M |
| Teachers Retirement System of the State of Kentucky | 0.10% | Add +57.4% | 165,315 | $12.7M |
| First Trust Advisors LP | 0.01% | Add +28.9% | 164,936 | $12.7M |
| D. E. Shaw & Co. | 0.01% | Reduce -53.3% | 160,009 | $12.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -5.8% | 157,794 | $12.2M |
| Walleye Capital LLC | 0.10% | Add +32.2% | 148,317 | $11.4M |
| 1832 Asset Management L.P. | 0.02% | No change | 138,920 | $10.7M |
| Invesco Ltd. | 0.00% | Add +8.1% | 134,699 | $10.4M |
| Sprott Inc. | 0.38% | Add +4.0% | 130,000 | $10.0M |
| Alyeska Investment Group, L.P. | 0.03% | Reduce -49.6% | 119,986 | $9.2M |
| Citigroup Inc. | 0.01% | Add +61.3% | 117,151 | $9.0M |
| Impala Asset Management LLC | 5.50% | New | 115,000 | $8.9M |
| Ilex Capital Partners (UK) LLP | 0.27% | Reduce -59.5% | 110,691 | $8.5M |
| Lloyd Harbor Capital Management, LLC | 4.07% | New | 110,000 | $8.5M |
| Millennium Management | 0.01% | Reduce -86.5% | 106,320 | $8.2M |
| Two Sigma Investments, LP | 0.01% | Reduce -15.7% | 102,965 | $7.9M |
| Barclays PLC | 0.00% | Add +43.1% | 101,662 | $7.8M |
| Janney Montgomery Scott LLC | 0.02% | Add +0.0% | 100,998 | $7.8M |
| Squarepoint Ops LLC | 0.02% | Add +6.3% | 100,391 | $7.7M |
| HITE Hedge Asset Management LLC | 0.42% | Reduce -12.7% | 100,000 | $7.7M |
| Wells Fargo & Company | 0.00% | Add +13.7% | 97,129 | $7.5M |
| Zimmer Partners, LP | 0.17% | New | 90,000 | $6.9M |
| Rhumbline Advisers | 0.01% | Reduce -1.9% | 88,859 | $6.8M |
| Point72 Asset Management | 0.02% | New | 84,884 | $6.5M |
| Ameriprise Financial Inc. | 0.00% | Reduce -15.2% | 84,437 | $6.5M |
| Cerity Partners LLC | 0.01% | Reduce -4.3% | 83,079 | $6.4M |
| Aventail Capital Group, LP | 0.29% | New | 78,340 | $6.0M |
| Jump Financial, LLC | 0.08% | New | 77,894 | $6.0M |
| Principal Financial Group Inc. | 0.00% | Reduce -2.0% | 74,113 | $5.7M |
| Two Sigma Advisers, LP | 0.01% | Reduce -53.5% | 73,700 | $5.7M |
| Lazard Asset Management LLC | 0.01% | Reduce -2.0% | 72,622 | $5.6M |
| Nomura Holdings Inc. | 0.03% | New | 69,220 | $5.3M |
| Alliancebernstein L.P. | 0.00% | Reduce -2.7% | 66,762 | $5.1M |
| Quantinno Capital Management LP | 0.01% | Add +115.8% | 65,235 | $5.0M |
| Concentric Capital Strategies, LP | 0.24% | Add +21.3% | 64,158 | $4.9M |
| Tudor Investment Corporation | 0.03% | New | 62,600 | $4.8M |
| Walnut Level Capital LLC | 3.15% | New | 57,679 | $4.4M |
| Wellington Management Group LLP | 0.00% | New | 57,510 | $4.4M |
| Dark Forest Capital Management LP | 0.17% | Reduce -37.8% | 57,492 | $4.4M |
| Quantbot Technologies LP | 0.12% | New | 56,785 | $4.4M |
| Marshall Wace, LLP | 0.00% | Add +596.1% | 56,461 | $4.4M |
| Storebrand Asset Management As | 0.01% | Reduce -34.9% | 56,129 | $4.3M |
| AQR Capital Management | 0.00% | Reduce -60.6% | 52,522 | $4.0M |
| HRT Financial LP | 0.01% | New | 47,624 | $3.7M |
| California Public Employees Retirement System | 0.00% | Reduce -21.9% | 46,784 | $3.6M |
| Thomist Capital Management, LP | 1.11% | Reduce -35.5% | 46,200 | $3.6M |
| Schonfeld Strategic Advisors LLC | 0.02% | Add +322.4% | 45,990 | $3.5M |
| Bank of Montreal | 0.00% | Reduce -80.5% | 45,165 | $3.5M |
| Journey Advisory Group, LLC | 0.26% | Add +0.5% | 45,072 | $3.5M |
| Retirement Systems of Alabama | 0.01% | Reduce -1.1% | 40,315 | $3.1M |
| Wedge Capital Management L L P | 0.05% | Reduce -70.3% | 39,375 | $3.0M |
| Legal & General Group Plc | 0.00% | Reduce -51.2% | 36,632 | $2.8M |
| Corient Private Wealth LP | 0.00% | Add +268.4% | 33,026 | $2.5M |
| Cubist Systematic Strategies, LLC | 0.03% | New | 31,396 | $2.4M |
| Aquatic Capital Management LLC | 0.04% | New | 29,130 | $2.2M |
| Amundi | 0.00% | Reduce -61.6% | 26,773 | $2.2M |
| Comerica Bank | 0.01% | Reduce -17.7% | 28,262 | $2.2M |
| Manufacturers Life Insurance Company, The | 0.00% | Reduce -0.2% | 28,080 | $2.2M |
| KBC Group NV | 0.01% | Reduce -42.6% | 27,556 | $2.1M |
| Envestnet Asset Management Inc. | 0.00% | Add +34.6% | 27,446 | $2.1M |
| Occudo Quantitative Strategies LP | 0.26% | Add +81.2% | 27,412 | $2.1M |
| Verition Fund Management LLC | 0.01% | Reduce -35.2% | 27,155 | $2.1M |
| Renaissance Technologies | 0.00% | Reduce -82.0% | 25,900 | $2.0M |
| Mackenzie Financial Corp. | 0.00% | New | 25,320 | $2.0M |
| Point72 Hong Kong Ltd | 0.09% | New | 24,871 | $1.9M |
| State Board of Administration of Florida Retirement System | 0.00% | Reduce -2.2% | 24,115 | $1.9M |
| South Dakota Investment Council | 0.03% | Add +1.4% | 22,435 | $1.7M |
| Knights of Columbus Asset Advisors LLC | 0.10% | No change | 22,364 | $1.7M |
| Gotham Asset Management | 0.01% | Add +82.7% | 22,065 | $1.7M |
| PDT Partners, LLC | 0.09% | New | 19,520 | $1.5M |
| Dana Investment Advisors, Inc. | 0.04% | Reduce -3.0% | 19,197 | $1.5M |
| Ameritas Investment Partners, Inc. | 0.04% | Add +61.0% | 18,640 | $1.4M |
| American Century Companies Inc. | 0.00% | Add +0.3% | 18,111 | $1.4M |
| Recurrent Investment Advisors LLC | 0.11% | Add +0.0% | 18,106 | $1.4M |
| APG Asset Management N.V. | 0.00% | No change | 21,100 | $1.4M |
| MetLife Investment Management, LLC | 0.01% | Reduce -4.5% | 17,138 | $1.3M |
| Stifel Financial Corp. | 0.00% | Add +35.7% | 16,763 | $1.3M |
| Polymer Capital Management (US) LLC | 0.17% | Add +15.2% | 16,200 | $1.2M |
| Twin Tree Management, LP | 0.06% | Reduce -45.4% | 16,037 | $1.2M |
| Mutual of America Capital Management LLC | 0.01% | Reduce -7.1% | 15,400 | $1.2M |
| Amalgamated Bank | 0.01% | Add +0.4% | 15,302 | $1.2M |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 15,207 | $1.2M |
| Treasurer of the State of North Carolina | 0.00% | Reduce -3.8% | 15,022 | $1.2M |
| Sei Investments Co. | 0.00% | Reduce -35.1% | 14,767 | $1.1M |
| Creative Planning | 0.00% | Add +19.4% | 13,329 | $1.0M |
| Summit Trail Advisors, LLC | 0.01% | Add +192.2% | 13,170 | $1.0M |
| Jane Street Group, LLC | 0.00% | Reduce -62.2% | 12,982 | $1.0M |
| Farringdon Capital, Ltd. | 0.25% | New | 12,529 | $965K |
| Jain Global LLC | 0.01% | New | 12,417 | $957K |
| LPL Financial LLC | 0.00% | Reduce -41.9% | 12,369 | $953K |
| Exchange Traded Concepts, LLC | 0.01% | New | 12,241 | $943K |
| Lighthouse Investment Partners, LLC | 0.03% | New | 11,661 | $899K |
| Yousif Capital Management, LLC | 0.01% | Reduce -5.5% | 11,217 | $864K |
| Public Employees Retirement System of Ohio | 0.00% | Add +0.6% | 10,438 | $804K |
| Scientech Research LLC | 0.26% | New | 9,742 | $751K |
| Board of the Pension Protection Fund | 0.72% | New | 9,500 | $732K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | Add +6.5% | 9,473 | $730K |
| Vanguard Personalized Indexing Management, LLC | 0.01% | Reduce -7.0% | 9,344 | $720K |
| Louisiana State Employees Retirement System | 0.01% | Reduce -1.1% | 9,300 | $717K |
| Summit Wealth Group LLC / Co. | 0.08% | New | 9,993 | $713K |
| Bayesian Capital Management, LP | 0.15% | New | 9,241 | $712K |
| Pathstone Holdings, LLC | 0.00% | Add +0.0% | 9,004 | $694K |
| Susquehanna International Group, LLP | 0.00% | Reduce -97.3% | 8,844 | $682K |
| Commonwealth of Pennsylvania Public School Empls Retrmt SYS | 0.00% | Reduce -0.1% | 8,558 | $659K |
| Handelsbanken Fonder AB | 0.00% | No change | 8,500 | $655K |
| State of Michigan Retirement System | 0.00% | Reduce -1.3% | 7,900 | $609K |
| Quadrant Capital Group LLC | 0.02% | Reduce -0.7% | 7,891 | $608K |
| Thrivent Financial for Lutherans | 0.00% | Reduce -2.4% | 7,661 | $590K |
| Advisors Asset Management, Inc. | 0.01% | Reduce -0.3% | 7,621 | $587K |
| Northwestern Mutual Investment Management Company, LLC | 0.01% | Reduce -0.2% | 7,432 | $573K |
| Brevan Howard Capital Management LP | 0.01% | Reduce -72.4% | 7,406 | $571K |
| New Mexico Educational Retirement Board | 0.02% | No change | 7,000 | $539K |
| Arax Advisory Partners | 0.01% | Add +6079.6% | 6,983 | $538K |
| RiverFront Investment Group, LLC | 0.01% | No change | 6,972 | $537K |
| SG Americas Securities, LLC | 0.00% | Reduce -87.3% | 6,939 | $535K |
| Pettee Investors, Inc. | 0.28% | No change | 6,711 | $517K |
| Oregon Public Employees Retirement Fund | 0.01% | Reduce -2.9% | 6,668 | $514K |
| Diametric Capital, LP | 0.18% | New | 6,415 | $494K |
| Mitsubishi UFJ Asset Management Co., Ltd. | 0.00% | Reduce -5.7% | 6,352 | $489K |
| Pacer Advisors, Inc. | 0.00% | New | 6,010 | $463K |
| Entropy Technologies, LP | 0.03% | Reduce -24.0% | 5,817 | $448K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | Add +13.2% | 5,684 | $438K |
| Point72 Asia (Singapore) Pte. Ltd. | 0.07% | New | 5,474 | $422K |
| New York State Teachers Retirement System | 0.00% | No change | 5,225 | $403K |
| Canada Pension Plan Investment Board | 0.00% | Reduce -89.4% | 5,210 | $401K |
| Unison Advisors LLC | 0.04% | Add +0.7% | 5,180 | $399K |
| State of Tennessee, Department of Treasury | 0.00% | No change | 5,013 | $386K |
| Sequent Planning LLC | 0.11% | Reduce -1.4% | 4,845 | $373K |
| Raymond James Financial Inc. | 0.00% | Reduce -10.2% | 4,756 | $366K |
| Cetera Investment Advisers | 0.00% | Add +7.6% | 4,681 | $361K |
| CIBC Asset Management Inc | 0.00% | Add +0.2% | 4,379 | $337K |
| Mercer Global Advisors Inc. | 0.00% | Reduce -19.5% | 4,241 | $327K |
| Manning & Napier Advisors LLC | 0.00% | Reduce -79.8% | 4,188 | $323K |
| CI Investments Inc. | 0.00% | Reduce -45.6% | 4,184 | $322K |
| GAMCO Investors | 0.00% | Reduce -64.2% | 4,141 | $319K |
| NorthCoast Asset Management LLC | 0.00% | Reduce -28.9% | 4,105 | $316K |
| Daiwa Securities Group Inc. | 0.00% | New | 3,991 | $308K |
| Inspire Investing, LLC | 0.03% | Add +8.0% | 3,992 | $308K |
| Greenland Capital Management LP | 0.05% | No change | 4,008 | $304K |
| Point72 (DIFC) Ltd | 0.02% | New | 3,935 | $303K |
| LMR Partners LLP | 0.01% | No change | 3,861 | $298K |
| Atria Investments, Inc | 0.00% | Add +27.8% | 3,833 | $295K |
| Xponance LLC | 0.00% | Reduce -22.0% | 3,739 | $288K |
| BI Asset Management Fondsmaeglerselskab A/S | 0.00% | New | 3,699 | $285K |
| Prudential Financial Inc. | 0.00% | Reduce -2.9% | 3,678 | $283K |
| Walleye Trading LLC | 0.00% | New | 3,673 | $283K |
| State of Alaska, Department of Revenue | 0.00% | Reduce -86.8% | 3,649 | $281K |
| Osaic Holdings, Inc. | 0.00% | Reduce -4.7% | 3,258 | $274K |
| Sanctuary Advisors, LLC | 0.00% | New | 3,549 | $273K |
| DekaBank Deutsche Girozentrale | 0.00% | No change | 3,540 | $270K |
| Hudson Bay Capital Management LP | 0.00% | New | 3,496 | $269K |
| Magnetar Financial LLC | 0.00% | Reduce -53.7% | 3,329 | $257K |
| Federated Hermes, Inc. | 0.00% | Add +131.8% | 3,029 | $233K |
| &partners | 0.00% | New | 3,028 | $233K |
| Claret Asset Management Corp | 0.03% | Reduce -1.4% | 3,014 | $232K |
| Mfa Wealth Advisors, LLC | 0.05% | Add +1.0% | 2,916 | $225K |
| Voya Investment Management LLC | 0.00% | Reduce -25.4% | 2,772 | $214K |
| Avanza Fonder AB | 0.01% | No change | 2,680 | $207K |
| ASR Vermogensbeheer N.V. | 0.00% | Reduce -1.1% | 2,449 | $189K |
| US Bancorp \de | 0.00% | Reduce -7.3% | 2,433 | $187K |
| Securian Asset Management, Inc. | 0.00% | Reduce -4.0% | 2,403 | $185K |
| CoreFirst Bank & Trust | 0.09% | Add +58.5% | 2,250 | $173K |
| Federation des caisses Desjardins du Quebec | 0.00% | Add +1051.0% | 2,187 | $169K |
| California State Teachers Retirement System | 0.00% | Add +0.1% | 2,089 | $161K |
| Sterling Capital Management LLC | 0.00% | Reduce -9.2% | 2,066 | $159K |
| Covestor Ltd | 0.08% | Add +134.4% | 1,779 | $137K |
| Public Employees Retirement Association of Colorado | 0.00% | No change | 1,704 | $131K |
| PNC Financial Services Group, Inc. | 0.00% | Add +7.8% | 1,544 | $119K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -38.5% | 1,532 | $118K |
| Kimelman & Baird, LLC | 0.01% | No change | 1,500 | $116K |
| Allworth Financial LP | 0.00% | Add +2.3% | 1,442 | $111K |
| MAI Capital Management | 0.00% | Reduce -2.8% | 1,310 | $101K |
| Grey Fox Wealth Advisors, LLC | 0.02% | New | 1,154 | $89K |
| Nomura Asset Management Co. Ltd. | 0.00% | No change | 896 | $69K |
| STRS Ohio | 0.00% | No change | 799 | $62K |
| Parallel Advisors, LLC | 0.00% | Add +58.1% | 778 | $60K |
| NewEdge Advisors, LLC | 0.00% | No change | 745 | $57K |
| Hantz Financial Services, Inc. | 0.00% | Add +180.3% | 740 | $57K |
| Cwm, LLC | 0.00% | Add +20.5% | 683 | $53K |
| CIBC Private Wealth Group LLC | 0.00% | New | 686 | $53K |
| AlphaQuest LLC | 0.00% | Reduce -11.8% | 644 | $50K |
| Transamerica Financial Advisors, LLC | 0.00% | Add +33.8% | 586 | $45K |
| UMB Bank, n.a. | 0.00% | Add +2.3% | 578 | $45K |
| Farther Finance Advisors, LLC | 0.00% | Reduce -73.8% | 503 | $39K |
| Itau Unibanco Holding S.A. | 0.00% | Reduce -50.3% | 497 | $38K |
| Signaturefd, LLC | 0.00% | Reduce -29.1% | 454 | $35K |
| GAMMA Investing LLC | 0.00% | Reduce -0.9% | 441 | $34K |
| Jones Financial Companies LLLP | 0.00% | Add +35.3% | 406 | $32K |
| Point72 Europe (London) LLP | 0.00% | New | 373 | $29K |
| Caitong International Asset Management Co., Ltd | 0.02% | New | 366 | $28K |
| Arcadia Investment Management Corp. | 0.00% | No change | 350 | $27K |
| Huntington National Bank | 0.00% | Add +0.9% | 350 | $27K |
| Nisa Investment Advisors, LLC | 0.00% | Add +11.4% | 332 | $26K |
| Fifth Third Bancorp | 0.00% | Add +13.5% | 328 | $25K |
| Rockefeller Capital Management L.P. | 0.00% | New | 299 | $23K |
| Pathway Financial Advisers, LLC | 0.01% | New | 289 | $22K |
| IFP Advisors, Inc | 0.00% | Add +10.8% | 287 | $22K |
| National Bank of Canada | 0.00% | Add +21.1% | 287 | $22K |
| FNY Investment Advisers, LLC | 0.01% | New | 273 | $21K |
| Spire Wealth Management | 0.00% | Add +87.6% | 272 | $21K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Add +77.7% | 231 | $18K |
| Lanark Financial, Inc. | 0.00% | Add +4.6% | 204 | $16K |
| Quent Capital, LLC | 0.00% | New | 203 | $16K |
| EverSource Wealth Advisors, LLC | 0.00% | Reduce -38.0% | 197 | $15K |
| Private Wealth Management Group, LLC | 0.00% | Add +14.8% | 163 | $13K |
| Cullen/Frost Bankers, Inc. | 0.00% | New | 133 | $10K |
| Transce3nd, LLC | 0.08% | Reduce -97.2% | 71 | $9K |
| Versant Capital Management, Inc | 0.00% | Add +454.6% | 122 | $9K |
| CVA Family Office, LLC | 0.00% | Add +44.6% | 120 | $9K |
| Smartleaf Asset Management LLC | 0.00% | Add +66.7% | 120 | $9K |
| Bessemer Group Inc. | 0.00% | Add +125.6% | 97 | $8K |
| Assetmark, Inc. | 0.00% | Add +25.3% | 94 | $7K |
| Private Trust Co. NA | 0.00% | No change | 90 | $7K |
| Manchester Capital Management LLC | 0.00% | Add +265.2% | 84 | $6K |
| Rise Advisors, LLC | 0.00% | No change | 83 | $6K |
| Optiver Holding B.V. | 0.00% | Reduce -13.5% | 83 | $6K |
| Ameritas Advisory Services, LLC | 0.00% | No change | 78 | $6K |
| Deseret Mutual Benefit Administrators | 0.00% | No change | 62 | $5K |
| Steward Partners Investment Advisory, LLC | 0.00% | Add +56.4% | 61 | $5K |
| Trust Co. of Vermont | 0.00% | No change | 50 | $4K |
| TD Waterhouse Canada Inc. | 0.00% | Add +25.0% | 50 | $4K |
| First Horizon Corp. | 0.00% | — | 48 | $4K |
| Parkside Financial Bank & Trust | 0.00% | Reduce -36.5% | 47 | $4K |
| Pinnacle Bancorp, Inc. | 0.00% | New | 43 | $3K |
| MV Capital Management, Inc. | 0.00% | Add +7.9% | 41 | $3K |
| Principal Securities, Inc. | 0.00% | Add +73.9% | 40 | $3K |
| Bruce G. Allen Investments, LLC | 0.00% | Reduce -9.3% | 39 | $3K |
| Root Financial Partners, LLC | 0.00% | New | 37 | $3K |
| Wealthspire Advisors, LLC | 0.00% | New | 37 | $3K |
| Farmers & Merchants Investments Inc. | 0.00% | Add +11.1% | 30 | $2K |
| Sachetta, LLC | 0.00% | Add +36.8% | 26 | $2K |
| Hemington Wealth Management | 0.00% | Add +7.4% | 29 | $2K |
| Clearstead Advisors, LLC | 0.00% | No change | 25 | $2K |
| Peterson Wealth Services | 0.00% | Add +7878.3% | 1,835 | $2K |
| Larson Financial Group LLC | 0.00% | Reduce -4.2% | 23 | $2K |
| Bell Investment Advisors, Inc | 0.00% | Add +50.0% | 18 | $1K |
| Rothschild Investment LLC | 0.00% | Add +13.3% | 17 | $1K |
| Global Retirement Partners, LLC | 0.00% | No change | 17 | $1K |
| Blue Trust, Inc. | 0.00% | Reduce -69.4% | 15 | $1K |
| Advisory Services Network, LLC | 0.00% | New | 15 | $1K |
| Fortitude Family Office, LLC | 0.00% | Reduce -30.0% | 14 | $1K |
| Ogorek Anthony Joseph /NY/ | 0.00% | No change | 18 | $1K |
| Avion Wealth | 0.00% | No change | 17 | $1K |
| Picton Mahoney Asset Management | 0.00% | No change | 8 | $1K |
| Jackson, Grant Investment Advisers, Inc. | 0.00% | No change | 11 | $848 |
| SouthState Bank Corp | 0.00% | Reduce -8.3% | 11 | $848 |
| Raffa Wealth Management, LLC | 0.00% | No change | 9 | $694 |
| Principia Wealth Advisory, LLC | 0.00% | No change | 8 | $616 |
| Harbour Investments, Inc. | 0.00% | New | 7 | $539 |
| SWAN Capital LLC | 0.00% | No change | 5 | $385 |
| CoreCap Advisors, LLC | 0.00% | No change | 5 | $385 |
| DiNuzzo Private Wealth, Inc. | 0.00% | No change | 4 | $352 |
| True Wealth Design, LLC | 0.00% | Reduce -33.3% | 4 | $309 |
| Core Alternative Capital | 0.00% | Reduce -42.9% | 4 | $308 |
| Cromwell Holdings LLC | 0.00% | New | 2 | $155 |
| New Millennium Group LLC | 0.00% | New | 2 | $154 |
| Valued Wealth Advisors LLC | 0.00% | No change | 1 | $79 |
| Bay Harbor Wealth Management, LLC | 0.00% | New | 1 | $77 |
| SBI Securities Co., Ltd. | 0.00% | No change | 1 | $77 |
| Rakuten Securities, Inc. | 0.00% | Reduce -90.9% | 1 | $77 |
| HFM Investment Advisors, LLC | 0.00% | No change | 1 | $77 |
| Penserra Capital Management LLC | 0.00% | Reduce -25.0% | 9 | $0 |
| Cloud Capital Management, LLC | 0.00% | New | 2 | $0 |
"% of holder's portfolio" is WLK's weight in each manager's 13F, not the share of Westlake Corp. the manager owns.