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WESTLAKE CHEMICAL (WLKP)
NYSE
$21.54+$0.02 (+0.09%)
Price as of Sep 11, 2026 7:30 PM EDT- $758.5MMarket Cap
- 8.70%1-Year Change
- ChemicalsIndustry
WESTLAKE CHEMICAL (WLKP)
$21.54+$0.02 (+0.09%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
OPPENHEIMERFUNDS, INC. | 16.88% | 6.0M | -97,792 (-1.64%) | Mar 31, 2019 |
INVESCO LTD. | 14.11% | 5.0M | 0 (0.00%) | Jun 30, 2026 |
ENERGY INCOME PARTNERS, LLC | 4.51% | 1.6M | +7,559 (+0.48%) | Jun 30, 2026 |
MIRAE ASSET GLOBAL ETFS HOLDINGS LTD. | 2.04% | 719,852 | +28,057 (+3.90%) | Jun 30, 2026 |
CLEARBRIDGE INVESTMENTS, LLC | 1.80% | 633,569 | 0 (0.00%) | Jun 30, 2026 |
UBS GROUP AG | 1.25% | 442,165 | -15,562 (-3.52%) | Jun 30, 2026 |
GOLDMAN SACHS GROUP INC | 0.68% | 238,363 | +18,705 (+7.85%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
AIM INVESTMENT FUNDS (INVESCO INVESTMENT FUNDS) | 14.05% | 5.0M | 0 (0.00%) | May 31, 2026 |
FIRST TRUST EXCHANGE-TRADED FUND IV | 2.85% | 1.0M | +11,340 (+1.13%) | Apr 30, 2026 |
Global X Funds | 2.00% | 706,515 | +111,397 (+15.77%) | Apr 30, 2026 |
FIRST TRUST ENERGY INCOME & GROWTH FUND | 1.14% | 401,079 | -5,619 (-1.40%) | Feb 29, 2024 |
FIRST TRUST EXCHANGE-TRADED FUND VIII | 0.87% | 307,966 | +4,480 (+1.45%) | May 31, 2026 |
LMP CAPITAL & INCOME FUND INC. | 0.86% | 302,583 | 0 (0.00%) | Nov 28, 2025 |
LEGG MASON PARTNERS INVESTMENT TRUST | 0.81% | 284,742 | 0 (0.00%) | Apr 30, 2026 |
Current Ownership Distribution
- Institutions212.3M (63.71%)
- Mutual Funds119.0M (35.69%)
- Insiders2.0M (0.60%)
- Other0 (0.00%)
Insider Transactions
- 0.60% (2.0M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 0Number of InsiderSelling (last 12 months)
- $0.00Amount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
WOELFEL RANDY | Award | Aug 12, 2026 | $0.00 | 5,044 | $0.00 | 0 |
FINLEY G STEPHEN | Award | Aug 12, 2026 | $0.00 | 5,044 | $0.00 | 0 |
Gilson Jean-Marc President and CEO | Buy | Aug 27, 2025 | $2,024.91 | 95 | $21.25 | 11,803 |
Gilson Jean-Marc President and CEO | Buy | Aug 21, 2025 | $27,530.00 | 1,250 | $22.02 | 11,708 |
Gilson Jean-Marc President and CEO | Buy | Aug 20, 2025 | $27,328.75 | 1,250 | $21.86 | 10,458 |
Gilson Jean-Marc President and CEO | Buy | Aug 15, 2025 | $102,652.70 | 4,700 | $21.84 | 9,208 |
FINLEY G STEPHEN | Exempt | Aug 07, 2025 | $0.00 | 4,882 | $0.00 | 0 |
FINLEY G STEPHEN | Exempt | Aug 07, 2025 | $0.00 | 4,882 | $0.00 | 31,930 |
FINLEY G STEPHEN | Award | Aug 06, 2025 | $0.00 | 5,005 | $0.00 | 0 |
Chao James Senior Chairman | Sell | May 29, 2025 | $81,770.00 | 3,700 | $22.10 | 0 |
Gilson Jean-Marc President and CEO | Buy | May 29, 2025 | $2,080.95 | 94 | $22.20 | 4,508 |
Gilson Jean-Marc President and CEO | Buy | Feb 25, 2025 | $2,042.05 | 83 | $24.75 | 4,414 |
Gilson Jean-Marc President and CEO | Buy | Nov 27, 2024 | $2,002.08 | 85 | $23.57 | 4,332 |