Westlake Corp
305 hedge funds and large institutions have $2.99B invested in Westlake Corp in 2025 Q2 according to their latest regulatory filings, with 46 funds opening new positions, 125 increasing their positions, 104 reducing their positions, and 97 closing their positions.
20% more repeat investments, than reductions
Existing positions increased: 125 | Existing positions reduced: 104
2.32% more ownership
Funds ownership: 28.38% → 30.7% (+2.3%)
16% less funds holding
Funds holding: 361 → 305 (-56)
18% less capital invested
Capital invested by funds: $3.64B → $2.99B (-$647M)
33% less funds holding in top 10
Funds holding in top 10: 3 → 2 (-1)
53% less first-time investments, than exits
New positions opened: 46 | Existing positions closed: 97
66% less call options, than puts
Call options by funds: $19.5M | Put options by funds: $58.1M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
+$167M |
| 2 |
BIP
Brandes Investment Partners
La Jolla,
California
|
+$84.8M |
| 3 |
Norges Bank
Oslo,
Norway
|
+$82.2M |
| 4 |
AP
Antipodes Partners
Royal Exchange,
Australia
|
+$67.4M |
| 5 |
EGM
Engineers Gate Manager
New York
|
+$28.5M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Capital World Investors
Los Angeles,
California
|
-$129M |
| 2 |
Citadel Advisors
Miami,
Florida
|
-$68.8M |
| 3 |
Balyasny Asset Management
Chicago,
Illinois
|
-$36.2M |
| 4 |
ICP
Ilex Capital Partners
London,
United Kingdom
|
-$34.8M |
| 5 |
BlackRock
New York
|
-$27.1M |
WLK Hedge Fund Activity: Q2 2025 in Review
305 of the 7,613 institutional investors tracked by Wall St. Rank reported a position in Westlake Corp (WLK) for Q2 2025, worth a combined $2.99B — down 18% from $3.64B a quarter earlier.
Sellers outnumbered buyers: 97 funds closed out of WLK and 46 opened new positions — a net loss of 51 holders — while 104 trimmed existing stakes and 125 added.
The largest buyer was T. Rowe Price Associates, adding an estimated $167M. The largest seller was Capital World Investors, exiting entirely with an estimated $129M sold.
- 305 institutional investors held Westlake Corp (WLK) as of Q2 2025, down from 361 in Q1 2025.
- Funds reported $2.99B of Westlake Corp stock for Q2 2025, down 18% quarter-over-quarter.
- 46 funds opened new Westlake Corp positions in Q2 2025 and 97 closed out, a net change of -51 holders.
- The largest Westlake Corp buyer in Q2 2025 was T. Rowe Price Associates, an estimated $167M added.
- The largest Westlake Corp seller in Q2 2025 was Capital World Investors, an estimated $129M sold.
Based on aggregated 13F filings for Q2 2025.