WLK

WESTLAKE CORP
USCUSIP 960413102
Institutional Owners
124
+32 QoQ
13F Value Held
$1.7B
Insider Net · 180d
$0
0↑ 0↓
Recent Filings
0
Smart-money sentimentBullish
BearishBullish
13F funds (latest Q)68 adding · 25 trimming
Insider net (180d)+$0
Price history not yet available for WLK.

Top institutional holders

124 13F filers
#FundPosition valueSharesLast moveAs of
1Orbis Allan Gray Ltd
$617.4M
5.28MAddedQ1 2026
2VANGUARD PORTFOLIO MANAGEMENT LLC
$206.7M
1.77MNewQ1 2026
3VANGUARD CAPITAL MANAGEMENT LLC
$170.0M
1.46MNewQ1 2026
4STATE STREET CORP
$161.3M
1.38MReducedQ1 2026
5Holocene Advisors, LP
$85.3M
730.0KReducedQ1 2026
6Erste Asset Management GmbH
$45.8M
395.0KReducedQ1 2026
7JACOBS LEVY EQUITY MANAGEMENT, INC
$40.8M
349.0KReducedQ1 2026
8Woodline Partners LP
$39.4M
337.1KNewQ1 2026
9Allspring Global Investments Holdings, LLC
$33.2M
284.8KReducedQ1 2026
10Merewether Investment Management, LP
$25.7M
219.9KReducedQ1 2026
11VANGUARD FIDUCIARY TRUST CO
$24.0M
205.7KNewQ1 2026
12DEPRINCE RACE & ZOLLO INC
$23.8M
203.4KReducedQ1 2026
13Man Group plc
$18.7M
160.3KNewQ1 2026
14Ceredex Value Advisors LLC
$18.4M
157.2KAddedQ1 2026
15BRANDES INVESTMENT PARTNERS, LP
$17.3M
148.0KReducedQ1 2026
16CAPSTONE INVESTMENT ADVISORS, LLC
$15.9M
135.8KAddedQ1 2026
17SPROTT INC.
$15.5M
132.6KReducedQ1 2026
18Recurrent Investment Advisors LLC
$13.2M
112.8KAddedQ1 2026
19Yaupon Capital Management LP
$12.5M
107.0KNewQ1 2026
20CITADEL ADVISORS LLC
$8.1M
69.1KAddedQ1 2026
21Rokos Capital Management LLP
$7.1M
60.8KNewQ1 2026
22STOREBRAND ASSET MANAGEMENT AS
$6.5M
86.2KNewQ2 2025
23Point72 Asset Management, L.P.
$6.5M
84.9KNewQ3 2025
24Tidal Investments LLC
$5.5M
47.8KNewQ1 2026
25Trek Financial, LLC
$5.3M
45.3KNewQ1 2026

Fund activity — latest quarter

Opened (NEW)
39
funds
Added
29
funds
Reduced
25
funds
Exited
0
funds

Insider activity (Form 4)

No Form 4 insider transactions on file yet.

Institutional ownership over time

116 funds+113 since Q2 2022
058116Q2 2022Q1 2023Q4 2023Q3 2024Q2 2025Q1 2026
funds holding aggregate valuelatest $1.7B

Funds that own WLK also own

CompanyCo-held byCombined value
Microsoft Corp.MSFT109 funds$164.6B
Nvidia Corp. (US)NVDA107 funds$244.3B
Meta Platforms, Inc. (Cl A)META107 funds$75.0B
Amazon.com, Inc.AMZN106 funds$121.1B
GOOGLE INCGOOGL105 funds$97.7B
Citigroup, Inc.C105 funds$13.5B
Tesla Inc (US)TSLA104 funds$58.6B
Exxon Mobil CorpXOM104 funds$46.3B
Chevron Corp.CVX104 funds$37.7B
Broadcom LtdAVGO103 funds$83.3B
LPHABET INCGOOG103 funds$77.1B
Jpmorgan Chase & CoJPM103 funds$52.1B

Ranked by how many of WLK's institutional holders also hold each name — a cross-fund conviction signal. Via the MCP server (ticker.co_held).

Recent filings

0 shown

No filings captured for this ticker in the live stream yet.

13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for WLK. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes. Every panel above is one call to the Arkolith API & MCP server.