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Westlake Corp
304 hedge funds and large institutions have $3.2B invested in Westlake Corp in 2025 Q3 according to their latest regulatory filings, with 58 funds opening new positions, 102 increasing their positions, 106 reducing their positions, and 55 closing their positions.
New
Increased
Maintained
Reduced
Closed
50% more funds holding in top 10
Funds holding in top 10: 2 → 3 (+1)
7% more capital invested
Capital invested by funds: $2.99B → $3.2B (+$210M)
1.7% more ownership
Funds ownership: 30.71% → 32.41% (+1.7%)
5% more first-time investments, than exits
New positions opened: 58 | Existing positions closed: 55
0% less funds holding
Funds holding: 305 → 304 (-1)
4% less repeat investments, than reductions
Existing positions increased: 102 | Existing positions reduced: 106
67% less call options, than puts
Call options by funds: $19.3M | Put options by funds: $57.8M
Holders
304
Holders Change
-1
Holders Change %
-0.33%
% of All Funds
3.99%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
58
Increased
102
Reduced
106
Closed
55
Calls
$19.3M
Puts
$57.8M
Net Calls
-$38.4M
Net Calls Change
+$201K
Top Buyers
| 1 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
+$326M |
| 2 |
Citadel Advisors
Miami,
Florida
|
+$99M |
| 3 |
Holocene Advisors
New York
|
+$58M |
| 4 |
TSW
Thompson Siegel & Walmsley
Richmond,
Virginia
|
+$36.8M |
| 5 |
Balyasny Asset Management
Chicago,
Illinois
|
+$33M |
