Data from public SEC 13F & STOCK Act filings, delayed up to ~45 days, partial holdings only — for research, not investment advice.
WLK
WESTLAKE CORPData as of 2026 Q1 (03-31) · 13F snapshot
Summary
WESTLAKE CORP (WLK) is held by 8 tracked hedge-fund managers, a combined reported value of ~$186.15M; the largest are Ken Griffin, Dan Loeb, Izzy Englander. This quarter: 1 new, 2 added, 1 trimmed. 5 members of Congress have disclosed STOCK Act trades. Data as of 2026 Q1, from public SEC 13F filings, delayed up to ~45 days.
Attention · HighThis quarter · Heating up
Gurus holding8
Congress trades5
Price$88.50vs quarter-end-24.24%
Sectors0
This quarter's moves
Top holderKen GriffinNew1
Added2
Trimmed / sold1
Dan LoebAdd
Value $51.14M1.0% of portfolio700,0002012 Q3
Value $8.59M— of portfolio130,0002017 Q1
Value $8.07M— of portfolio69,1002026 Q1
Value $7.30M— of portfolio62,5002026 Q1
Value $1.85M— of portfolio40,0002016 Q1
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Dan Loeb | $51.14M | 1.0% | Add |
| Izzy EnglanderPUT | $8.59M | — | — |
| Ken GriffinCALL | $8.07M | — | — |
| Ken GriffinPUT | $7.30M | — | — |
| Izzy EnglanderCALL | $1.85M | — | — |