WLK — WESTLAKE CHEM PARTNERS LP
Public company
InvestorLens aggregates public filing data to show which tracked investors reported holdings in this stock. Dollar values represent reported position values, not market capitalization, and may be delayed up to 45 days. Not a recommendation.
Sourced from SEC EDGAR public filings
Why are billionaires buying WLK?
Built from public SEC filings and public economic data. Not a recommendation.
Why? — Evidence & Confidence ▾
Of 1 tracked investors who changed their WLK position last quarter, 0 bought and 1 sold (0% buy-side). Macro conditions are mixed for this sector (Macro Tailwind 56/100 in a Overheat regime).
- +4 tracked investors reported holding WLK at their latest filing
- +Macro Health is 56/100 in a Overheat regime — historically acceptable for this sectorsource
- −1 tracked investor reduced or exited last quarter (0 reduced, 1 sold out)
- −13F data is disclosed up to 45 days after quarter end — positions may have changed since
- · 13F disclosure lag (up to 45 days)
- · Tracked investors are a sample, not the whole market
- · Sector regime fit is a historical average, not a guarantee
Every InvestorLens score shows its evidence — including what argues against it. Model conviction-v1 · generated 9/18/2026.
About WESTLAKE CHEM PARTNERS LP (WLK)
WESTLAKE CHEM PARTNERS LP (WLK) appears in the most recent 13F filings of 4 tracked institutional investors. The largest disclosed position is held by Ken Griffin (Citadel Advisors), valued at $99M. Across recent filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 2 exited. All data sourced from SEC 13F filings.
Based on recent institutional activity in WLK
How many top investors track WLK
A small number of top investors own this.
WLK Ownership Composition
How WESTLAKE CHEM PARTNERS LP is held across tracked investor types, based on reported 13F positions.
- Multi-Strategy / Quant93.6%
- Macro6.4%
Tracked investors currently reporting WLK
2 tracked investors have since exited this position — listed separately below.
- Ken GriffinJun 30, 2026Citadel AdvisorsShares1.2MValue$84.1M% Portfolio0.01%
- Izzy EnglanderJun 30, 2026Millennium ManagementShares366.1KValue$26.7M% Portfolio0.01%
- Steve CohenJun 30, 2026Point72 Asset ManagementShares89.7KValue$6.6M% Portfolio0.01%
- Paul Tudor JonesJun 30, 2026Tudor Investment CorpShares110.7KValue$8.1M% Portfolio0.01%
Previously held WLK
These investors reported WLK in an earlier quarter but not in their most recent 13F. Figures below are their last reported position, not a current holding.
| Investor | Firm | Last reported shares | Value then | Last held |
|---|---|---|---|---|
| Stanley Druckenmiller | Duquesne Family Office | 21.2K | $2.5M | Mar 31, 2026 |
| Ray Dalio | Bridgewater Associates | 4.3K | $621K | Jun 30, 2024 |
Recent activity
- New$621KAug 14, 2024
- Sold$0(-100.00%)Nov 13, 2024
- $2.5MMay 15, 2026
- $0(-100.00%)Aug 14, 2026
Frequently asked questions
- How many institutional investors hold WLK?
- 4 tracked institutional investors disclosed a position in WLK (WESTLAKE CHEM PARTNERS LP) in their most recent 13F filing.
- Who is the largest institutional holder of WLK?
- Ken Griffin, Citadel Advisors, holds the largest disclosed position in WLK, valued at $99M.
- Did institutional ownership of WLK increase or decrease?
- Across recent 13F filings, tracked investors recorded 2 new positions, 0 increased, 0 reduced, and 2 fully exited WLK.
- Where does this WLK ownership data come from?
- SEC Form 13F-HR filings, accessed via EDGAR. 13F filings are disclosed quarterly with a 45-day reporting delay and cover U.S.-listed long equity positions only. This is not investment advice.