Also trades as: 0LVK.L (LSE) · $vol 0M
WLK Institutional Ownership
Westlake Corporation
1W: +5.6%
1M: -1.0%
3M: -8.4%
YTD: -10.8%
1Y: -15.7%
3Y: -40.1%
5Y: -29.6%
$66.17
+0.86 (+1.32%)
Weekly Expected Move ±5.1%
$58
$61
$65
$68
$71
Credit Risk of going bust: higher than 59% of companies Debt: 40.5% of company value Bonds: $136.9M held by 178 funds, 125 bp over Treasuries → details ▾
Of US companies ranked in the middle of the pack, about 1 in 580 filed for bankruptcy within a year (2020-2025).
If the stock fell to about $3.01 (down 95%), Westlake Corporation would be worth roughly what it owes.
Total debt $5.75B against a stock market value of $8.46B.
Distance to default 4.32 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $2.53B (short-term plus half of long-term), stock volatility 43.0%; Altman Z 1.69. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
If the stock fell to about $3.01 (down 95%), Westlake Corporation would be worth roughly what it owes.
Total debt $5.75B against a stock market value of $8.46B.
Distance to default 4.32 (Merton model): prices to 2026-10-27, balance sheet 2026-06-30, debt counted $2.53B (short-term plus half of long-term), stock volatility 43.0%; Altman Z 1.69. A ranking and a back-test, not a forecast.
Bond figures are fund-reported marks (SEC N-PORT) as of Jul 2026. How these are computed.
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Institutional Ownership — WLK
423
Institutional Holders
+36 vs prior quarter
0.0%
Ownership
+0.00pp
$3B
Total Invested
87
New Positions
110
Increased
181
Reduced
62
Closed
1.33
Put/Call Ratio
Ownership Trends
Top Institutional Holders (458 total)
| # | Holder | Shares | Value | Change | Change % | Holding Period | Filing |
|---|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 3,294,162 | $218M | +215,075 | +7.0% | 8Q | SEC ↗ |
| 2 | Capital World Investors | 2,842,348 | $188M | -1,368,658 | -32.5% | 3Q | SEC ↗ |
| 3 | PRICE T ROWE ASSOCIATES INC /MD | 2,206,676 | $146M | -200,781 | -8.3% | 16Q | SEC ↗ |
| 4 | Orbis Allan Gray Ltd | 2,084,364 | $138M | -3,209,155 | -60.6% | 4Q | SEC ↗ |
| 5 | DIMENSIONAL FUND ADVISORS LP | 2,051,554 | $136M | +585,534 | +39.9% | 83Q | SEC ↗ |
| 6 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1,752,627 | $116M | -17,181 | -1.0% | 2Q | SEC ↗ |
| 7 | BRANDES INVESTMENT PARTNERS, LP | 1,572,939 | $104M | -269,711 | -14.6% | 6Q | SEC ↗ |
| 8 | AQR CAPITAL MANAGEMENT LLC | 1,570,453 | $104M | +1,310,383 | +503.9% | 57Q | SEC ↗ |
| 9 | VANGUARD CAPITAL MANAGEMENT LLC | 1,464,223 | $97M | +8,629 | +0.6% | 2Q | SEC ↗ |
| 10 | STATE STREET CORP | 1,453,407 | $96M | +72,914 | +5.3% | 46Q | SEC ↗ |
| 11 | GOLDMAN SACHS GROUP INC | 1,280,873 | $85M | -112,454 | -8.1% | 15Q | SEC ↗ |
| 12 | CITADEL ADVISORS LLC | 1,054,868 | $70M | +339,282 | +47.4% | 67Q | SEC ↗ |
| 13 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 1,023,403 | $68M | +79,428 | +8.4% | 9Q | SEC ↗ |
| 14 | UBS AM, a distinct business unit of UB | 817,207 | $54M | -164,198 | -16.7% | 50Q | SEC ↗ |
| 15 | GEODE CAPITAL MANAGEMENT, LLC | 718,597 | $48M | +104,263 | +17.0% | 87Q | SEC ↗ |
| 16 | JACOBS LEVY EQUITY MANAGEMENT, INC | 709,355 | $47M | +360,320 | +103.2% | 9Q | SEC ↗ |
| 17 | Balyasny Asset Management L.P. | 625,859 | $41M | +256,187 | +69.3% | 2Q | SEC ↗ |
| 18 | Woodline Partners LP | 451,986 | $30M | +114,911 | +34.1% | 5Q | SEC ↗ |
| 19 | Nuveen, LLC | 446,479 | $30M | -118,265 | -20.9% | 6Q | SEC ↗ |
| 20 | MORGAN STANLEY | 437,571 | $29M | -48,937 | -10.1% | 60Q | SEC ↗ |
| 21 | UBS Group AG | 431,633 | $29M | -379,633 | -46.8% | 47Q | SEC ↗ |
| 22 | SCHRODER INVESTMENT MANAGEMENT GROUP | 375,889 | $25M | +1,381 | +0.4% | 2Q | SEC ↗ |
| 23 | MILLENNIUM MANAGEMENT LLC | 366,074 | $24M | +281,077 | +330.7% | 38Q | SEC ↗ |
| 24 | FMR LLC | 361,243 | $24M | -951,230 | -72.5% | 41Q | SEC ↗ |
| 25 | ExodusPoint Capital Management, LP NEW | 327,195 | $22M | — | +0.0% | 1Q | SEC ↗ |
| 26 | Qube Research & Technologies Ltd NEW | 321,718 | $21M | — | +0.0% | 1Q | SEC ↗ |
| 27 | Sixth Street Partners Management Compa NEW | 318,823 | $21M | — | +0.0% | 1Q | SEC ↗ |
| 28 | CHARLES SCHWAB INVESTMENT MANAGEMENT I | 318,823 | $21M | +7,061 | +2.3% | 15Q | SEC ↗ |
| 29 | Erste Asset Management GmbH | 305,000 | $20M | -90,000 | -22.8% | 27Q | SEC ↗ |
| 30 | JANUS HENDERSON GROUP PLC | 269,783 | $18M | -64,810 | -19.4% | 36Q | SEC ↗ |
| 31 | VAN LANSCHOT KEMPEN INVESTMENT MANAGEM | 268,434 | $18M | +24,126 | +9.9% | 5Q | SEC ↗ |
| 32 | Jupiter Topco LLC NEW | 267,748 | $18M | — | +0.0% | 1Q | SEC ↗ |
| 33 | NORTHERN TRUST CORP | 262,926 | $17M | -6,223 | -2.3% | 87Q | SEC ↗ |
| 34 | ROBOTTI ROBERT | 235,379 | $16M | +90,375 | +62.3% | 43Q | SEC ↗ |
| 35 | BANK OF AMERICA CORP /DE | 232,213 | $15M | -4,773 | -2.0% | 15Q | SEC ↗ |
| 36 | Susquehanna Portfolio Strategies, LLC | 230,396 | $15M | +212,024 | +1154.1% | 2Q | SEC ↗ |
| 37 | ProShare Advisors LLC | 228,319 | $15M | -67,492 | -22.8% | 15Q | SEC ↗ |
| 38 | NORGES BANK NEW | 214,101 | $14M | — | +0.0% | 1Q | SEC ↗ |
| 39 | Jump Financial, LLC NEW | 209,861 | $14M | — | +0.0% | 1Q | SEC ↗ |
| 40 | VANGUARD FIDUCIARY TRUST CO | 209,650 | $14M | +3,966 | +1.9% | 2Q | SEC ↗ |
| 41 | D. E. Shaw & Co., Inc. | 200,534 | $13M | -32,649 | -14.0% | 8Q | SEC ↗ |
| 42 | Russell Investments Group, Ltd. | 194,362 | $13M | +105,000 | +117.5% | 39Q | SEC ↗ |
| 43 | Invesco Ltd. | 190,951 | $13M | +11,549 | +6.4% | 72Q | SEC ↗ |
| 44 | Cerity Partners LLC | 166,436 | $11M | +93,757 | +129.0% | 11Q | SEC ↗ |
| 45 | Bank of New York Mellon Corp | 163,455 | $11M | -17,615 | -9.7% | 76Q | SEC ↗ |
| 46 | JPMORGAN CHASE & CO | 163,287 | $11M | +65,548 | +67.1% | 64Q | SEC ↗ |
| 47 | Allspring Global Investments Holdings, | 163,075 | $11M | -122,359 | -42.9% | 19Q | SEC ↗ |
| 48 | SPROTT INC. | 160,110 | $11M | +27,500 | +20.7% | 40Q | SEC ↗ |
| 49 | TEACHERS RETIREMENT SYSTEM OF THE STAT | 156,757 | $10M | -21,403 | -12.0% | 15Q | SEC ↗ |
| 50 | Campbell & CO Investment Adviser LLC NEW | 148,180 | $10M | — | +0.0% | 1Q | SEC ↗ |
Recent Activity
New Positions (20)
| Holder | Shares | Value |
|---|---|---|
| ExodusPoint Capital Management, LP | 327,195 | $22M |
| Qube Research & Technologies Ltd | 321,718 | $21M |
| Sixth Street Partners Management Co | 318,823 | $21M |
| Jupiter Topco LLC | 267,748 | $18M |
| NORGES BANK | 214,101 | $14M |
| Jump Financial, LLC | 209,861 | $14M |
| Campbell & CO Investment Adviser LL | 148,180 | $10M |
| Lighthouse Investment Partners, LLC | 135,361 | $9M |
| HRT FINANCIAL LP | 116,395 | $8M |
| MARSHALL WACE, LLP | 111,574 | $7M |
| TUDOR INVESTMENT CORP ET AL | 110,710 | $7M |
| Point72 Asset Management, L.P. | 89,731 | $6M |
| Alberta Investment Management Corp | 89,200 | $6M |
| NATIXIS | 77,117 | $5M |
| Turas Capital Management LP | 58,800 | $4M |
| Assenagon Asset Management S.A. | 55,289 | $4M |
| AXQ CAPITAL, LP | 51,437 | $3M |
| Mariner, LLC | 47,319 | $3M |
| TWO SIGMA INVESTMENTS, LP | 45,357 | $3M |
| HITE Hedge Asset Management LLC | 34,589 | $2M |
Sold Out (20)
| Holder | Prev Shares | Prev Value |
|---|---|---|
| Holocene Advisors, LP | 730,035 | $48M |
| ANTIPODES PARTNERS Ltd | 416,520 | $28M |
| VOLORIDGE INVESTMENT MANAGEMENT, LL | 348,953 | $23M |
| DEPRINCE RACE & ZOLLO INC | 203,366 | $13M |
| DIAMOND HILL CAPITAL MANAGEMENT INC | 190,180 | $13M |
| Ceredex Value Advisors LLC | 177,900 | $12M |
| Yaupon Capital Management LP | 107,044 | $7M |
| Alyeska Investment Group, L.P. | 103,041 | $7M |
| Select Equity Group, L.P. | 74,997 | $5M |
| LAZARD ASSET MANAGEMENT LLC | 74,428 | $5M |
| Lloyd Harbor Capital Management, LL | 62,000 | $4M |
| Rokos Capital Management LLP | 60,800 | $4M |
| Albar Capital Partners LLP | 48,814 | $3M |
| Trek Financial, LLC | 45,296 | $3M |
| WEDGE CAPITAL MANAGEMENT L L P/NC | 42,841 | $3M |
| Twin Tree Management, LP | 35,977 | $2M |
| VARCOV Co. | 35,597 | $2M |
| LUMINUS MANAGEMENT LLC | 35,189 | $2M |
| Boston Partners | 31,696 | $2M |
| Hudson Bay Capital Management LP | 30,443 | $2M |
Biggest Increases (20)
| Holder | Added | Change % | Total Shares |
|---|---|---|---|
| AQR CAPITAL MANAGEMENT LLC | +1,310,383 | +503.9% | 1,570,453 |
| DIMENSIONAL FUND ADVISORS LP | +585,534 | +39.9% | 2,051,554 |
| JACOBS LEVY EQUITY MANAGEMENT, INC | +360,320 | +103.2% | 709,355 |
| CITADEL ADVISORS LLC | +339,282 | +47.4% | 1,054,868 |
| MILLENNIUM MANAGEMENT LLC | +281,077 | +330.7% | 366,074 |
| Balyasny Asset Management L.P. | +256,187 | +69.3% | 625,859 |
| BlackRock, Inc. | +215,075 | +7.0% | 3,294,162 |
| Susquehanna Portfolio Strategies, L | +212,024 | +1154.1% | 230,396 |
| Woodline Partners LP | +114,911 | +34.1% | 451,986 |
| Russell Investments Group, Ltd. | +105,000 | +117.5% | 194,362 |
| GEODE CAPITAL MANAGEMENT, LLC | +104,263 | +17.0% | 718,597 |
| Cerity Partners LLC | +93,757 | +129.0% | 166,436 |
| ROBOTTI ROBERT | +90,375 | +62.3% | 235,379 |
| BNP PARIBAS FINANCIAL MARKETS | +87,710 | +1311.1% | 94,400 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Lt | +79,428 | +8.4% | 1,023,403 |
| STATE STREET CORP | +72,914 | +5.3% | 1,453,407 |
| JPMORGAN CHASE & CO | +65,548 | +67.1% | 163,287 |
| Squarepoint Ops LLC | +41,435 | +107.5% | 79,967 |
| SG Americas Securities, LLC | +34,540 | +140.5% | 59,116 |
| MACKENZIE FINANCIAL CORP | +32,935 | +45.8% | 104,903 |
Biggest Decreases (20)
| Holder | Reduced | Change % | Total Shares |
|---|---|---|---|
| Orbis Allan Gray Ltd | -3,209,155 | -60.6% | 2,084,364 |
| WELLINGTON MANAGEMENT GROUP LLP | -1,651,701 | -92.1% | 141,816 |
| Capital World Investors | -1,368,658 | -32.5% | 2,842,348 |
| FMR LLC | -951,230 | -72.5% | 361,243 |
| UBS Group AG | -379,633 | -46.8% | 431,633 |
| BRANDES INVESTMENT PARTNERS, LP | -269,711 | -14.6% | 1,572,939 |
| NEW YORK STATE COMMON RETIREMENT FU | -268,700 | -86.8% | 40,926 |
| FEDERATED HERMES, INC. | -264,077 | -99.0% | 2,574 |
| PRICE T ROWE ASSOCIATES INC /MD | -200,781 | -8.3% | 2,206,676 |
| Merewether Investment Management, L | -166,461 | -75.7% | 53,439 |
| UBS AM, a distinct business unit of | -164,198 | -16.7% | 817,207 |
| Man Group plc | -134,581 | -84.0% | 25,705 |
| CAPSTONE INVESTMENT ADVISORS, LLC | -131,087 | -96.5% | 4,721 |
| Allspring Global Investments Holdin | -122,359 | -42.9% | 163,075 |
| Nuveen, LLC | -118,265 | -20.9% | 446,479 |
| GOLDMAN SACHS GROUP INC | -112,454 | -8.1% | 1,280,873 |
| Erste Asset Management GmbH | -90,000 | -22.8% | 305,000 |
| JANE STREET GROUP, LLC | -83,924 | -79.4% | 21,762 |
| FIRST TRUST ADVISORS LP | -74,803 | -73.1% | 27,496 |
| ProShare Advisors LLC | -67,492 | -22.8% | 228,319 |