WESTLAKE CORPORATION

$WLK
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Smart money positioned

8 of the Top-200 alpha managers hold $WLK as of the latest 13F snapshot.

13F holders
320
Insider buys · 90d
0
Congress · 90d
0

Smart Money · top-200 alpha cohort

8 holders · Q1 2026

$WLK is held by 8 managers from the Top-Performer cohort as of Q1 2026. Position weights range from 0.00% to 0.42%, with an average of 0.08% of portfolio. Largest holder: Erste Asset Management GmbH at 0.42%. A weekly Smart-Money commentary for this ticker has not been generated yet this batch — the table below shows the full cohort positioning.

01
Erste Asset Management GmbH
0.42% NEW
α +33.4pts
02
Duquesne Family Office LLC Stanley Druckenmiller
0.07% held
α +25.4pts
03
Rokos Capital Management LLP
0.06% held
α +12.2pts
04
Wellington Management Group LLP
0.04% held
α +10.5pts
05
WINTON GROUP Ltd
0.03% held
α +27.0pts

Smart Money shows holdings from our Top-Performer cohort — the 200 highest-alpha manager_13f funds in our universe. Position weight (current quarter) and QoQ delta versus prior quarter. α is the manager's annual alpha vs benchmark.

Institutional holders

Top 10 of 320 · Source: 13F-HR
01
Cooper/Haims Advisors, LLC
2.61% of portfolio
10,569,424 sh
02
Edgar Lomax CO
1.52% of portfolio
4,992,056 sh
03
State Street
—
1,396,633 sh
04
Axa S.a.
0.01% of portfolio
1,380,493 sh
05
Atlantic Edge Private Wealth Management, LLC
0.01% of portfolio
1,108,035 sh
06
Bahl & Gaynor Inc.
—
1,029,602 sh
07
Pier 88 Investment Partners LLC
0.21% of portfolio
730,035 sh
08
Marshall & Sullivan Inc.
0.17% of portfolio
698,070 sh
09
Strategic Planning Group, LLC
0.06% of portfolio
569,554 sh
10
Nomura Asset Management Co. Ltd.
0.05% of portfolio
528,000 sh
See all 320 13F holders · Pro →

Insider activity · last 90 days

No insider activity

No Form 4 filings on record for $WLK in the recent window.

Congress trades · last 90 days

No Congress trades

No STOCK Act filings reference $WLK in the recent window.

Source data: SEC EDGAR · 13F-HR · Form 4 · U.S. House Clerk PTR (disclosures-clerk.house.gov) · Senate eFD (senate.gov) · Last refreshed 13:15 UTC.