Westlake Corp
361 hedge funds and large institutions have $3.64B invested in Westlake Corp in 2025 Q1 according to their latest regulatory filings, with 46 funds opening new positions, 147 increasing their positions, 116 reducing their positions, and 61 closing their positions.
27% more repeat investments, than reductions
Existing positions increased: 147 | Existing positions reduced: 116
0.98% more ownership
Funds ownership: 27.41% → 28.38% (+0.98%)
0% more funds holding in top 10
Funds holding in top 10: 3 → 3 (0)
4% less funds holding
Funds holding: 378 → 361 (-17)
10% less capital invested
Capital invested by funds: $4.04B → $3.64B (-$405M)
25% less first-time investments, than exits
New positions opened: 46 | Existing positions closed: 61
96% less call options, than puts
Call options by funds: $2.95M | Put options by funds: $68.4M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Millennium Management
New York
|
+$78.4M |
| 2 |
Victory Capital Management
San Antonio,
Texas
|
+$64.9M |
| 3 |
ICP
Ilex Capital Partners
London,
United Kingdom
|
+$60.6M |
| 4 |
State Street
Boston,
Massachusetts
|
+$48.3M |
| 5 |
BIP
Brandes Investment Partners
La Jolla,
California
|
+$46.6M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
First Trust Advisors
Wheaton,
Illinois
|
-$73.2M |
| 2 |
Balyasny Asset Management
Chicago,
Illinois
|
-$52.2M |
| 3 |
Vanguard Group
Malvern,
Pennsylvania
|
-$36.3M |
| 4 |
OAG
Orbis Allan Gray
Hamilton,
Bermuda
|
-$34.4M |
| 5 |
MIM
Merewether Investment Management
Dallas,
Texas
|
-$31.4M |
WLK Hedge Fund Activity: Q1 2025 in Review
361 of the 7,472 institutional investors tracked by Wall St. Rank reported a position in Westlake Corp (WLK) for Q1 2025, worth a combined $3.64B — down 10% from $4.04B a quarter earlier.
Sellers outnumbered buyers: 61 funds closed out of WLK and 46 opened new positions — a net loss of 15 holders — while 116 trimmed existing stakes and 147 added.
The largest buyer was Millennium Management, adding an estimated $78.4M. The largest seller was First Trust Advisors, cutting an estimated $73.2M.
- 361 institutional investors held Westlake Corp (WLK) as of Q1 2025, down from 378 in Q4 2024.
- Funds reported $3.64B of Westlake Corp stock for Q1 2025, down 10% quarter-over-quarter.
- 46 funds opened new Westlake Corp positions in Q1 2025 and 61 closed out, a net change of -15 holders.
- The largest Westlake Corp buyer in Q1 2025 was Millennium Management, an estimated $78.4M added.
- The largest Westlake Corp seller in Q1 2025 was First Trust Advisors, an estimated $73.2M sold.
Based on aggregated 13F filings for Q1 2025.