Westlake Chemical Partners LP

Historical 13F Holders

Symbol
WLKP
CUSIP
960417103
All holders as of
Q2 2026
Type
Equity
Class
COM UNIT RP LP
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Every filing for 960417103 since 12/18/2024, newest first.

Filer % of Class Filed
Energy Income Partners, LLC 13G
4.4% 2/17/2026
Event 12/31/2025
Energy Income Partners, LLC 13G
5.0% 8/14/2025
Event 6/30/2025
Energy Income Partners, LLC 13G/A Amendment 5
4.96% 5/15/2025
Event 3/31/2025

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 3 115 k $2.43 M
2026 Q2 60 10.2 M $228 M
2026 Q1 60 10.3 M $227 M
2025 Q4 61 10.3 M $195 M
2025 Q3 61 10.2 M $214 M
2025 Q2 63 10.3 M $228 M
2025 Q1 57 10.2 M $236 M
2024 Q4 55 10.5 M $242 M
2024 Q3 60 12.6 M $232 M
2024 Q2 63 10.6 M $239 M
2024 Q1 67 10.9 M $242 M
2023 Q4 68 10.9 M $236 M
2023 Q3 58 10.5 M $229 M
2023 Q2 57 10.6 M $230 M
2023 Q1 59 10.8 M $239 M
2022 Q4 57 11.2 M $262 M
2022 Q3 57 11.0 M $236 M
2022 Q2 61 11.2 M $279 M
2022 Q1 68 11.7 M $316 M
2021 Q4 68 11.5 M $308 M
2021 Q3 64 11.3 M $276 M
2021 Q2 65 11.7 M $316 M
2021 Q1 59 11.9 M $287 M
2020 Q4 55 14.0 M $333 M
2020 Q3 49 14.6 M $274 M
2020 Q2 53 15.0 M $284 M
2020 Q1 55 15.8 M $235 M
2019 Q4 55 16.0 M $423 M
2019 Q3 61 15.7 M $365 M
2019 Q2 58 15.8 M $389 M
2019 Q1 57 16.4 M $372 M
2018 Q4 49 14.7 M $356 M
2018 Q3 48 15.0 M $374 M
2018 Q2 48 15.0 M $368 M
2018 Q1 51 15.1 M $337 M
2017 Q4 62 15.5 M $384 M
2017 Q3 63 14.9 M $339 M
2017 Q2 52 10.5 M $261 M
2017 Q1 59 11.5 M $288 M
2016 Q4 53 11.9 M $257 M
2016 Q3 57 11.0 M $251 M
2016 Q2 52 11.0 M $219 M
2016 Q1 48 11.1 M $218 M
2015 Q4 53 13.1 M $290 M
2015 Q3 57 11.3 M $198 M
2015 Q2 47 11.7 M $255 M
2015 Q1 52 11.6 M $311 M
2014 Q4 56 11.8 M $343 M
2014 Q3 48 11.4 M $331 M