# WESTLAKE CORPORATION COM

WESTLAKE CORPORATION COM is a security (CUSIP 960413102) tracked across SEC portfolio filings. 361 institutional managers reported $4.7B on Form 13F as of 2026-06-30; 35 registered fund positions totaling $820.8M via N-PORT as of 2026-05-31.

## Summary

- Issuer: WESTLAKE CORPORATION
- Class: COM
- CUSIP: 960413102
- Asset category: EC
- 13F holders: 361
- 13F value: $4.7B
- 13F period: 2026-06-30
- N-PORT fund positions: 35
- N-PORT value: $820.8M
- N-PORT report: 2026-05-31

## Top institutional holders (Form 13F)

_Showing 15 of 361 managers by value._

| Manager | Location | Value | Shares |
| --- | --- | --- | --- |
| Orbis Allan Gray Ltd | HamiltoN, D0 | $618.4M | 5,293,519 |
| Capital World Investors | LOS ANGELES, CA | $491.9M | 4,211,006 |
| BlackRock, Inc. | New York, NY | $359.7M | 3,079,087 |
| [VANGUARD GROUP INC](https://search.stillhousedata.com/firm/105958) | Valley Forge, PA | $289.6M | 3,917,329 |
| BRANDES INVESTMENT PARTNERS, LP | LA JOLLA, CA | $215.3M | 1,842,650 |
| WELLINGTON MANAGEMENT GROUP LLP | BOSTON, MA | $209.5M | 1,793,517 |
| DIMENSIONAL FUND ADVISORS LP | AUSTIN, TX | $171.3M | 1,466,020 |
| GOLDMAN SACHS GROUP INC | NEW YORK, NY | $162.8M | 1,393,327 |
| STATE STREET CORP | BOSTON, MA | $161.3M | 1,380,493 |
| FMR LLC | BOSTON, MA | $153.3M | 1,312,473 |
| UBS ASSET MANAGEMENT AMERICAS INC | CHICAGO, IL | $114.6M | 981,405 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | CENTRAL, K3 | $110.3M | 943,975 |
| [CITADEL ADVISORS LLC](https://search.stillhousedata.com/firm/148826) | MIAMI, FL | $99.0M | 715,586 |
| UBS Group AG | Zurich, V8 | $94.8M | 811,266 |
| [Holocene Advisors, LP](https://search.stillhousedata.com/firm/287999) | New York, NY | $85.3M | 730,035 |

## Top fund holders (N-PORT)

_Showing 15 of 35 fund positions by value._

| Fund | Registrant | Value | % of fund |
| --- | --- | --- | --- |
| [Income Fund of America](https://search.stillhousedata.com/fund/S000008814) | Income Fund of America | $283.3M | 19.33% |
| [T. Rowe Price Mid-Cap Value Fund, Inc.](https://search.stillhousedata.com/fund/S000002103) | T. ROWE PRICE MID-CAP VALUE FUND, INC. | $149.5M | 101.16% |
| [New Perspective Fund](https://search.stillhousedata.com/fund/S000009613) | New Perspective Fund | $143.6M | 9.40% |
| State Street SPDR S&P MidCap 400SM ETF Trust | SPDR S&P MIDCAP 400 ETF TRUST | $117.5M | 48.50% |
| [VANGUARD EXTENDED MARKET INDEX FUND](https://search.stillhousedata.com/fund/S000002841) | VANGUARD INDEX FUNDS | $43.5M | 5.34% |
| SPROTT FOCUS TRUST INC. | SPROTT FOCUS TRUST INC. | $31.5M | 989.29% |
| [American Beacon GLG Natural Resources ETF](https://search.stillhousedata.com/fund/S000083896) | AMERICAN BEACON SELECT FUNDS | $15.1M | 189.25% |
| [Fidelity Advisor Stock Selector Mid Cap Fund](https://search.stillhousedata.com/fund/S000005114) | Fidelity Advisor Series I | $8.3M | 32.52% |
| [Select Chemicals Portfolio](https://search.stillhousedata.com/fund/S000007492) | Fidelity Select Portfolios | $4.5M | 103.74% |
| [Victory RS Value Fund](https://search.stillhousedata.com/fund/S000053562) | Victory Portfolios | $3.5M | 143.86% |
| [UBS U.S. EQUITY ALPHA RELATIONSHIP FUND](https://search.stillhousedata.com/fund/S000003186) | UBS RELATIONSHIP FUNDS | $3.3M | 108.61% |
| [Large Cap Index Master Portfolio](https://search.stillhousedata.com/fund/S000033023) | Master Investment Portfolio | $2.6M | 0.71% |
| [Nuveen Small/Mid Cap Value Fund](https://search.stillhousedata.com/fund/S000014609) | Nuveen Investment Trust | $2.4M | 213.12% |
| [VANGUARD BALANCED INDEX FUND](https://search.stillhousedata.com/fund/S000002560) | VANGUARD VALLEY FORGE FUNDS | $2.1M | 0.36% |
| [Columbia Mid Cap Index Fund](https://search.stillhousedata.com/fund/S000010826) | COLUMBIA FUNDS SERIES TRUST | $2.1M | 8.14% |

## More

- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/security/960413102.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.