Westlake Chemical Partners LP (WLKP) Ownership
WLKP ownership summary
as of October 18, 2026- Institutions
- 29.2% of shares outstanding
- Insiders
- 44.85% of shares outstanding
- Shares outstanding
- 35.2M
- Float
- 19.4M shares available to trade
- Short interest
- 0.66% 138K shares short
- Days to cover
- 6.64 short interest up 2.7% vs prior month
- Institutions 29.17%
- Insiders 44.85%
- Other investors 25.98%
WLKP top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Amvescap Plc. | 14.11% | 5.0M | $103.4M | — | June 30, 2026 |
| 2 | Energy Income Partners, LLC | 4.51% | 1.6M | $33.1M | +7,559 (+0.5%) | June 30, 2026 |
| 3 | MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2.04% | 720K | $15.0M | +28,057 (+4.1%) | June 30, 2026 |
| 4 | ClearBridge Advisors, LLC | 1.80% | 634K | $13.2M | — | June 30, 2026 |
| 5 | UBS Group AG | 1.25% | 442K | $9.2M | −15,562 (−3.4%) | June 30, 2026 |
| 6 | The Goldman Sachs Group Inc | 0.68% | 238K | $5.0M | +18,705 (+8.5%) | June 30, 2026 |
| 7 | Citigroup Inc | 0.62% | 218K | $4.5M | −10,650 (−4.7%) | June 30, 2026 |
| 8 | Bank of America Corp | 0.49% | 174K | $3.6M | −53,843 (−23.6%) | June 30, 2026 |
| 9 | Morgan Stanley - Brokerage Accounts | 0.48% | 170K | $3.5M | −10,238 (−5.7%) | June 30, 2026 |
| 10 | Gilman Hill Asset Management, LLC | 0.32% | 114K | $2.4M | +26,212 (+29.7%) | September 30, 2026 |
| 11 | Pathway Financial Advisors, LLC | 0.31% | 108K | $2.2M | +1,296 (+1.2%) | June 30, 2026 |
| 12 | JPMorgan Chase & Co | 0.27% | 95K | $2.0M | +1,200 (+1.3%) | June 30, 2026 |
| 13 | ING Groep NV | 0.23% | 82K | $1.7M | — | June 30, 2026 |
| 14 | Fractal Investments LLC | 0.23% | 80K | $1.7M | — | June 30, 2026 |
| 15 | Advisory Services Network, LLC | 0.18% | 64K | $1.3M | +18,700 (+41.6%) | June 30, 2026 |
| 16 | LPL Financial Corp | 0.13% | 47K | $968,115 | +312 (+0.7%) | June 30, 2026 |
| 17 | Eagle Global Advisors, LLC | 0.12% | 44K | $912,558 | — | June 30, 2026 |
| 18 | Samalin Investment Counsel, LLC | 0.12% | 42K | $878,758 | +358 (+0.9%) | June 30, 2026 |
| 19 | Pinnacle Holdings, LLC | 0.11% | 39K | $809,994 | — | June 30, 2026 |
| 20 | HRT FINANCIAL LLC | 0.11% | 38K | $793,187 | −6,547 (−14.7%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 9 holders added 102K shares and 5 cut 97K.
WLKP top mutual fund and ETF holders
11 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Invesco SteelPath MLP Income Y | 9.38% | 3.3M | $68.7M | — | June 30, 2026 |
| 2 | Invesco SteelPath MLP Select 40 Y | 4.67% | 1.6M | $34.2M | — | June 30, 2026 |
| 3 | First Trust North Amer Engy InfrasETF | 2.99% | 1.1M | $21.9M | — | September 30, 2026 |
| 4 | Global X SuperDividend™ US ETF | 2.09% | 735K | $15.3M | — | September 30, 2026 |
| 5 | LMP Capital & Income | 0.99% | 349K | $7.3M | — | August 31, 2026 |
| 6 | ClearBridge Tactical Dividend Income A | 0.82% | 291K | $6.0M | — | September 30, 2026 |
| 7 | FT Energy Income Ptnrs Enh Inc ETF | 0.69% | 242K | $5.0M | — | September 30, 2026 |
| 8 | Arrow Dow Jones Global Yield ETF | 0.03% | 11K | $221,291 | — | September 30, 2026 |
| 9 | EIP Growth and Income I | 0.03% | 9,497 | $197,538 | −10,814 (−53.2%) | July 31, 2026 |
| 10 | Harbor AlphaEdge Small Cap Value ETF | <0.01% | 960 | $19,968 | — | September 30, 2026 |
| 11 | First Trust Multi Income Allocation I | <0.01% | 595 | $12,376 | −60 (−9.2%) | June 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WLKP insider transactions
latest 6| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2025-08-20 | Jean-Marc Gilson | Buy | $21.86 | 1,250 | $27,325 |
| 2025-08-15 | Jean-Marc Gilson | Buy | $21.84 | 4,700 | $102,648 |
| 2025-05-29 | James Chao | Sell | $22.10 | 3,700 | $81,770 |
| 2025-05-29 | Jean-Marc Gilson | Buy | $22.20 | 94 | $2,087 |
| 2025-05-28 | James Chao | Sell | $22.10 | 4,600 | $101,660 |
| 2025-05-27 | James Chao | Sell | $22.17 | 5,608 | $124,329 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
WLKP shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WLKP
Institutional investors own 29.2% of Westlake Chemical Partners's shares and insiders 44.85%. The largest holder is Amvescap Plc. with 14.11% of the shares (5.0M), as of June 30, 2026. Among the top 20 institutions, 9 added shares and 5 reduced their stake in the latest filings. Short interest is 0.66% of the float, or 6.64 days of average trading volume. The share count rose 30.2% since 2014.
Related: WLKP analyst forecast, WLKP key metrics, WLKP dividend history. See the WLKP stock overview for the latest quote and news.
WLKP ownership FAQ
Who owns the most Westlake Chemical Partners stock?
The largest shareholders of Westlake Chemical Partners are Amvescap Plc. (14.11%), Energy Income Partners, LLC (4.51%), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (2.04%), ClearBridge Advisors, LLC (1.80%), UBS Group AG (1.25%).
What percentage of Westlake Chemical Partners is owned by institutions?
Institutions hold 29.2% of Westlake Chemical Partners's shares outstanding; insiders hold 44.85%.
Which funds own Westlake Chemical Partners?
The largest fund holders of Westlake Chemical Partners are Invesco SteelPath MLP Income Y (9.38%), Invesco SteelPath MLP Select 40 Y (4.67%), First Trust North Amer Engy InfrasETF (2.99%), Global X SuperDividend™ US ETF (2.09%), LMP Capital & Income (0.99%).
What is Westlake Chemical Partners's short interest?
138K shares of Westlake Chemical Partners were sold short, 0.66% of the float; at the average daily volume it would take 6.64 days to cover.
Are insiders buying or selling Westlake Chemical Partners?
Of the latest 6 reported insider transactions in Westlake Chemical Partners (since May 27, 2025), 3 were purchases and 3 were sales.
How many shares of Westlake Chemical Partners are outstanding?
Westlake Chemical Partners has 35.2M shares outstanding, of which 19.4M are in the public float.