Institutional Ownership
Westlake Corporation
CUSIP 960413102COMWLKQ1 2026
Institutional Holders
327
13F filers
Shares Held
40.61M
Aggregate institutional
Institutional Value
$4.41B
Q1 2026
Net New Holders
+43
86 new · 43 closed
Institutional Ownership Trend
Aggregate 13F value by quarter
Multi-quarter trend — upgrade to see history
UpgradePosition Activity
Q1 2026
New positions86
Increased115
Decreased84
Sold out43
Institutional Holders
327 funds hold this security · Q1 2026
| # | Fund | Shares | Value | Δ Shares | Activity |
|---|---|---|---|---|---|
| 1 | Orbis Allan Gray Ltd | 5.29M | $618.39M | +906.9K | Added |
| 2 | Capital World Investors | 4.21M | $491.93M | +2.04M | Added |
| 3 | Blackrock, Inc. | 3.08M | $359.70M | −182.3K | Reduced |
| 4 | Brandes Investment Partners, LP | 1.84M | $215.26M | +172.3K | Added |
| 5 | Wellington Management Group LLP | 1.79M | $209.52M | −2.43M | Reduced |
| 6 | Dimensional Fund Advisors LP | 1.47M | $171.26M | −419.7K | Reduced |
| 7 | Goldman Sachs Group Inc | 1.39M | $162.77M | +639.4K | Added |
| 8 | State Street Corp | 1.38M | $161.27M | −16.1K | Reduced |
| 9 | Fmr LLC | 1.31M | $153.32M | +1.08M | Added |
| 10 | Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas LLC | 981.4K | $114.65M | +56.7K | Added |
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