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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.

13F holders, Q1 2026

Institutional positions in Westlake Chemical Partners LP as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
57
−1 vs. Q4 2025
Shares held
10.3M
−15.8K (−0.2%) vs. Q4 2025
Total value
$226.6M
+$31.4M (+16.1%) vs. Q4 2025
New holders
7
14 more added
Sold out
8
17 more reduced

2 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting WLKP on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 57 institutions
Q1 2021: 53 institutionsQ2 2021: 60 institutionsQ3 2021: 60 institutionsQ4 2021: 64 institutionsQ1 2022: 64 institutionsQ2 2022: 58 institutionsQ3 2022: 53 institutionsQ4 2022: 53 institutionsQ1 2023: 55 institutionsQ2 2023: 54 institutionsQ3 2023: 56 institutionsQ4 2023: 62 institutionsQ1 2024: 61 institutionsQ2 2024: 58 institutionsQ3 2024: 56 institutionsQ4 2024: 52 institutionsQ1 2025: 53 institutionsQ2 2025: 59 institutionsQ3 2025: 58 institutionsQ4 2025: 60 institutionsQ1 2026: 57 institutionsQ2 2026: 56 institutions
Value heldQ1 2026: $226.6M
Q1 2021: $287.0MQ2 2021: $315.9MQ3 2021: $275.9MQ4 2021: $307.9MQ1 2022: $302.1MQ2 2022: $279.3MQ3 2022: $235.7MQ4 2022: $262.3MQ1 2023: $238.6MQ2 2023: $230.4MQ3 2023: $229.1MQ4 2023: $228.5MQ1 2024: $233.4MQ2 2024: $232.7MQ3 2024: $229.9MQ4 2024: $242.1MQ1 2025: $235.9MQ2 2025: $227.9MQ3 2025: $212.2MQ4 2025: $195.2MQ1 2026: $226.6MQ2 2026: $228.0M
Institutions holding WLKP and their total value by quarter
QuarterHoldersValue
Q2 202656$228.0M
Q1 202657$226.6M
Q4 202560$195.2M
Q3 202558$212.2M
Q2 202559$227.9M
Q1 202553$235.9M
Q4 202452$242.1M
Q3 202456$229.9M
Q2 202458$232.7M
Q1 202461$233.4M
Q4 202362$228.5M
Q3 202356$229.1M
Q2 202354$230.4M
Q1 202355$238.6M
Q4 202253$262.3M
Q3 202253$235.7M
Q2 202258$279.3M
Q1 202264$302.1M
Q4 202164$307.9M
Q3 202160$275.9M
Q2 202160$315.9M
Q1 202153$287.0M

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Westlake Chemical Partners LP; share changes are against Q4 2025.

Institutions holding WLKP in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Northwestern Mutual Wealth Management Co10$2210.00%+10New
McGuire Capital Advisors Inc20$4420.00%−35−63.6%Reduced
Larson Financial Group LLC56$1.23K0.00%+2+3.7%Added
CWM, LLC65$1.44K0.00%00.0%Unchanged
Allworth Financial LP100$2.21K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA100$2.21K0.00%+100New
Rockefeller Capital Management L.P.115$2.55K0.00%−325−73.9%Reduced
Indiana Trust & Investment Management CO200$4.42K0.00%00.0%Unchanged
Archer Investment Corp235$5.19K0.00%00.0%Unchanged
HM Payson & Co411$9.08K0.00%00.0%Unchanged
Jones Financial Companies LLLP428$9.28K0.00%+302+239.7%Added
Atlantic Union Bankshares Corp465$10.3K0.00%00.0%Unchanged
MAI Capital Management500$11.0K0.00%00.0%Unchanged
Financial Management Professionals, Inc.500$11.0K0.00%00.0%Unchanged
Quent Capital, LLC1,000$22.1K0.00%+1,000New
Sound Income Strategies, LLC1,462$32.7K0.00%00.0%Unchanged
Harbour Investments, Inc.1,600$35.3K0.00%+1,600New
Geneos Wealth Management Inc.6,874$151.9K0.00%+572+9.1%Added
Royal Bank of Canada10,582$234.0K0.00%+2,833+36.6%Added
We Are One Seven, LLC10,949$241.9K0.00%+10,949New
Fayez Sarofim & Co11,500$254.0K0.00%00.0%Unchanged
Inspire Advisors, LLC11,514$254.3K0.02%+11,514New
Acadian Asset Management LLC11,798$258.0K0.00%+11,798New
Susquehanna Portfolio Strategies, LLC11,787$260.4K0.00%00.0%Unchanged
Mariner, LLC11,840$261.6K0.00%−248−2.1%Reduced
Jump Financial, LLC12,200$269.5K0.00%−12,700−51.0%Reduced
U.S. Capital Wealth Advisors, LLC12,500$276.1K0.01%00.0%Unchanged
Wells Fargo & Company13,414$296.3K0.00%−986−6.8%Reduced
Raymond James Financial Inc13,929$307.7K0.00%−2,206−13.7%Reduced
Advisor Group Holdings, Inc.15,213$336.1K0.00%+72+0.5%Added
Envestnet Asset Management Inc20,424$451.2K0.00%−2,428−10.6%Reduced
Apollon Wealth Management, LLC21,084$465.7K0.01%+689+3.4%Added
Hilltop Holdings Inc.23,830$526.4K0.05%−485−2.0%Reduced
Glenmede Trust Co NA26,278$580.5K0.00%00.0%Unchanged
Citadel Advisors LLC28,225$623.5K0.00%−46,257−62.1%Reduced
Susquehanna International Group, LLP35,320$780.2K0.00%−31,256−46.9%Reduced
Gsa Capital Partners LLP35,569$786.0K0.05%−2,935−7.6%Reduced
Pinnacle Holdings, LLC38,942$860.2K0.28%00.0%Unchanged
Samalin Investment Counsel, LLC41,890$925.3K0.33%−2,436−5.5%Reduced
Eagle Global Advisors LLC43,873$969.2K0.03%00.0%Unchanged
HRT Financial LP44,681$987.0K0.00%+26,293+143.0%Added
Advisory Services Network, LLC45,000$994.0K0.01%−3,000−6.3%Reduced
LPL Financial LLC46,232$1.02M0.00%+12,524+37.2%Added
Fractal Investments LLC80,400$1.78M0.21%00.0%Unchanged
ING Groep NV82,000$1.81M0.01%00.0%Unchanged
Gilman Hill Asset Management, LLC87,202$1.93M0.29%+2,760+3.3%Added
JPMorgan Chase & Co94,105$2.05M0.00%−350−0.4%Reduced
Pathway Financial Advisers, LLC106,598$2.35M0.67%+3,221+3.1%Added
Morgan Stanley180,571$3.99M0.00%−12,667−6.6%Reduced
Goldman Sachs Group Inc219,658$4.85M0.00%+13,352+6.5%Added
Bank of America Corp228,152$5.04M0.00%−28,801−11.2%Reduced
Citigroup Inc228,755$5.05M0.00%+12,796+5.9%Added
UBS Group AG457,727$10.1M0.00%−62,661−12.0%Reduced
Clearbridge Investments, LLC633,569$14.0M0.01%00.0%Unchanged
Mirae Asset Global ETFs Holdings Ltd.691,795$15.3M0.02%+104,915+17.9%Added
Energy Income Partners, LLC1,582,007$34.9M0.56%+17,518+1.1%Added
Invesco Ltd.4,972,812$109.8M0.01%00.0%Unchanged
Virtu Financial LLC0$00.00%−16,109−100.0%Sold out
Private Advisor Group, LLC0$00.00%−11,700−100.0%Sold out
Centennial Bank0$00.00%−9,120−100.0%Sold out
Kestra Advisory Services, LLC0$00.00%−1,059−100.0%Sold out
Simplex Trading, LLC0$00.00%−995−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−803−100.0%Sold out
Eastern Bank0$00.00%−600−100.0%Sold out
Strategic Advocates LLC0$00.00%−468−100.0%Sold out
CIBC Private Wealth Group, LLC––––Not filed
GPS Wealth Strategies Group, LLC––––Not filed