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Westlake Chemical Partners LP

WLKP
Exchange
NYSE
Industry
Industrial Organic Chemicals
SEC CIK
0001604665

No open-market purchases or sales by Westlake Chemical Partners LP insiders were filed in the last 90 days; 56 institutions reported holding it in 13F filings for Q2 2026, worth $228.0M in total; no superinvestor holds it.

Q4 2025 vs. Q3 2025

How the institutions holding Westlake Chemical Partners LP changed between Q3 2025 and Q4 2025.

All holders in Q4 2025All holders in Q3 2025

13F holders of WLKP: Q3 2025 compared with Q4 2025
MeasureQ3 2025Of which not filed for Q4 2025Q4 2025Change
Holders58160+3
Shares10.1M41.8K10.3M+206.9K (+2.1%)
Value$212.2M$876.9K$195.2M−$16.1M (−7.6%)

1 institution that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (8)

Institutions that held Westlake Chemical Partners LP at the end of Q4 2025 but not at the end of Q3 2025.

Institutions new to WLKP in Q4 2025
InstitutionSharesValue% of portfolio
Susquehanna International Group, LLP66,576$1.26M0.00%
Glenmede Trust Co NA26,278$499.3K0.00%
Virtu Financial LLC16,109$306.0K0.01%
Susquehanna Portfolio Strategies, LLC11,787$224.0K0.00%
Centennial Bank9,120$173.3K0.07%
Kestra Advisory Services, LLC1,059$20.1K0.00%
Simplex Trading, LLC995$18.9K0.00%
McGuire Capital Advisors Inc55$1.04K0.00%

Sold out (5)

Institutions that held Westlake Chemical Partners LP at the end of Q3 2025 and filed for Q4 2025 without it.

Institutions that sold out of WLKP in Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Alpine Woods Capital Investors, LLC21,390$449.0K
Future Financial Wealth Managment LLC2,500$52.5K
US Bancorp431$9.05K
Barclays PLC101$2.12K
Harbour Investments, Inc.17$357

Not filed for Q4 2025 yet (1)

Institutions that held Westlake Chemical Partners LP at the end of Q3 2025 and haven't filed a 13F for Q4 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding WLKP in Q3 2025 that haven't filed for Q4 2025
InstitutionShares, Q3 2025Value, Q3 2025
Glenmede Investment Management, LP41,778$876.9K