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 Shares Held, Excluding Options
Total Filers

13D/G Filers

Each filer's latest filing for 960417103 since 12/18/2024, largest first.

Filer % of Class Filed
Under 5%, checked the "5 percent or less" box, or amended by a later filing (1)
Energy Income Partners, LLC 13G
4.4% 2/17/2026
Event 12/31/2025

13F Holders by Quarter

Period Filers Shares, Excl. Options Value, Excl. Options
2026 Q3 16 678 k $14.4 M
2026 Q2 57 10.2 M $228 M
2026 Q1 58 10.3 M $227 M
2025 Q4 60 10.3 M $195 M
2025 Q3 58 10.2 M $214 M
2025 Q2 61 10.3 M $228 M
2025 Q1 54 10.2 M $236 M
2024 Q4 53 10.5 M $242 M
2024 Q3 57 12.6 M $232 M
2024 Q2 59 10.6 M $239 M
2024 Q1 62 10.9 M $242 M
2023 Q4 62 10.9 M $236 M
2023 Q3 56 10.5 M $229 M
2023 Q2 54 10.6 M $230 M
2023 Q1 57 10.8 M $239 M
2022 Q4 54 11.2 M $262 M
2022 Q3 53 11.0 M $236 M
2022 Q2 58 11.2 M $279 M
2022 Q1 65 11.7 M $316 M
2021 Q4 65 11.5 M $308 M
2021 Q3 60 11.3 M $276 M
2021 Q2 62 11.7 M $316 M
2021 Q1 55 11.9 M $287 M
2020 Q4 50 14.0 M $333 M
2020 Q3 47 14.6 M $274 M
2020 Q2 49 15.0 M $284 M
2020 Q1 49 15.8 M $235 M
2019 Q4 49 16.0 M $423 M
2019 Q3 55 15.7 M $365 M
2019 Q2 48 15.8 M $389 M
2019 Q1 50 16.4 M $372 M
2018 Q4 46 14.7 M $356 M
2018 Q3 46 15.0 M $374 M
2018 Q2 44 15.0 M $368 M
2018 Q1 47 15.1 M $337 M
2017 Q4 58 15.5 M $384 M
2017 Q3 58 14.9 M $339 M
2017 Q2 48 10.5 M $261 M
2017 Q1 51 11.5 M $288 M
2016 Q4 49 11.9 M $257 M
2016 Q3 52 11.0 M $251 M
2016 Q2 47 11.0 M $219 M
2016 Q1 42 11.1 M $218 M
2015 Q4 46 13.1 M $290 M
2015 Q3 51 11.3 M $198 M
2015 Q2 46 11.7 M $255 M
2015 Q1 51 11.6 M $311 M
2014 Q4 54 11.8 M $343 M
2014 Q3 48 11.4 M $331 M