Westlake Ownership | Who Owns Westlake?
Westlake Ownership Summary
Westlake is owned by 27.94% institutional investors, 74.23% insiders. Vanguard group is the largest institutional shareholder, holding 3.01% of WLK shares. Sycamore Mid Cap Value Comp is the top mutual fund, with 2.20% of its assets in Westlake shares.
WLK Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | Westlake | 27.94% | 74.23% | -2.17% |
| Sector | Basic Materials Stocks | 35.30% | 11.52% | 53.19% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Vanguard group | 3.88M | 3.01% | $444.61M |
| Blackrock funding, inc. /de | 3.66M | 2.84% | $419.38M |
| Blackrock | 3.41M | 2.65% | $493.55M |
| Victory capital management | 3.31M | 2.58% | $379.93M |
| Fmr | 1.44M | 1.12% | $164.94M |
| Capital world investors | 1.29M | 1.00% | $147.61M |
| State street | 1.19M | 0.93% | $172.17M |
| Balyasny asset management | 993.15K | 0.77% | $113.86M |
| Nuveen asset management | 983.09K | 0.76% | $112.71M |
| Goldman sachs group | 938.92K | 0.73% | $107.65M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Robotti robert | 164.30K | 3.31% | $18.84M |
| Ilex capital partners (uk) llp | 152.02K | 1.12% | $17.43M |
| Axq capital, lp | 12.10K | 0.62% | $1.39M |
| Hite hedge asset management | 60.65K | 0.51% | $6.95M |
| Deprince race & zollo | 218.28K | 0.50% | $25.03M |
| Yorktown management & research | 3.05K | 0.47% | $441.70K |
| Sprott | 65.00K | 0.44% | $7.45M |
| Pettee investors | 6.71K | 0.39% | $769.42K |
| Victory capital management | 3.31M | 0.37% | $379.93M |
| Scout investments | 95.09K | 0.37% | $13.77M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Balyasny asset management | 993.15K | 0.17% | 873.89K |
| Victory capital management | 3.31M | 0.37% | 574.07K |
| Ubs group | 557.56K | 0.01% | 516.95K |
| Norges bank | 406.71K | 0.01% | 406.71K |
| First trust advisors lp | 827.52K | 0.08% | 299.60K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Fmr | 1.44M | 0.01% | -1.29M |
| Bank of america corp /de/ | - | - | -403.20K |
| Orbis allan gray | - | - | -299.80K |
| Scopus asset management | - | - | -276.75K |
| Merewether investment management, lp | - | - | -273.64K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Norges bank | 406.71K | 0.01% | 406.71K | $46.63M |
| Deprince race & zollo | 218.28K | 0.50% | 218.28K | $25.03M |
| 1832 asset management | 187.67K | 0.02% | 187.67K | $27.18M |
| Raymond james financial | 116.97K | 0.01% | 116.97K | $13.41M |
| Jacobs levy equity management | 74.48K | 0.04% | 74.48K | $10.79M |
Sold Out
| Holder | Change |
|---|---|
| Abound wealth management | -1.00 |
| Global retirement partners | -1.00 |
| Tfc financial management | -1.00 |
| Advisornet financial | -1.00 |
| Tfo-tdc | -2.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Mar 31, 2025 | 360 | -6.98% | 35,844,546 | 1.79% | 27 | 3.73% | 191 | -0.52% | 113 | -12.40% |
| Dec 31, 2024 | 190 | -54.33% | 15,823,842 | -52.43% | 12 | 1.84% | 85 | -60.65% | 66 | -45.45% |
| Sep 30, 2024 | 412 | 5.10% | 33,223,108 | -1.86% | 25 | 3.71% | 213 | 11.52% | 120 | -9.77% |
| Jun 30, 2024 | 389 | 10.83% | 33,851,369 | -0.84% | 26 | 3.73% | 189 | 13.17% | 132 | 15.79% |
| Mar 31, 2024 | 351 | -1.96% | 34,136,899 | -4.49% | 26 | 3.40% | 167 | 5.03% | 114 | -14.93% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| Sycamore Mid Cap Value Comp | 2.83M | 2.20% | 2.75M |
| Victory Sycamore Established Value R | 2.83M | 2.20% | 418.00K |
| Capital Group Fundamental Invtrs Comp | 1.27M | 0.99% | -3.48K |
| American Funds Fundamental Invs A | 1.27M | 0.99% | -3.48K |
| Vanguard US Total Market Shares ETF | 1.23M | 0.96% | 1.02K |
| iShares Core S&P Mid-Cap ETF | 1.09M | 0.85% | 720.00 |
| Vanguard Total Stock Mkt Idx Inv | 1.01M | 0.79% | 10.51K |
| Vanguard Small Cap Index | 804.88K | 0.63% | 4.21K |
| Global X US Infrastructure Dev ETF | 779.36K | 0.61% | -2.07K |
| First Trust SMID Cp Rising Div Achv ETF | 777.20K | 0.61% | 1.66K |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| May 27, 2025 | Buesinger Robert F. | EVP, PEM Segment Head | Sell | $6.03K |
| Apr 22, 2025 | Buesinger Robert F. | EVP, PEM Segment Head | Buy | $7.75K |
| Nov 29, 2024 | Chao David Tsung-Hung | - | Sell | $225.89K |
| Nov 22, 2024 | Chao David Tsung-Hung | - | Sell | $227.50K |
| May 09, 2024 | Buesinger Robert F. | EVP, HIP, IT & Digital | Sell | $554.75K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q1 | - | - |
| 2024 Q4 | - | 2 |
| 2024 Q3 | - | - |
| 2024 Q2 | - | 2 |
| 2024 Q1 | - | 4 |
WLK Ownership FAQ
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