Westlake Chemical Partners LP (WLKP) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

35,556,627Shares Outstanding

431,265Shares held by institutions

$9,138,505Value of institutional holdings

31.88%Institutional ownership %

1.50%Shares Changed QoQ

64No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

According to SEC filings for the period ending December 2025, Westlake Chemical Partners LP (NYSE:WLKP) is held by 56 institutional firms.

The collective stake of institutional investors in Westlake Chemical Partners moved to 14.9% in December 2025, a shift down from the 28.6% reported for September 2025.
Institutional share ownership changed by 5.57% QoQ, while the number of institutional owners saw an increase of 7.69% YoY.
Among the 56 institutional holders of Westlake Chemical Partners, 32 added to their stakes while 9 trimmed their positions and 15 held steady.
This class of investors increased its holdings in Westlake Chemical Partners to 5.27Mn shares for the 13F-cycle ending December 2025, up by 278.03K shares quarter on quarter, and down 5.27Mn shares year over year.
As of December 31, 2025, Energy Income Partners, LLC held Westlake Chemical Partners's largest shareholding position with over 1.56Mn shares, representing 4.42% of total outstanding shares.
Among the most significant buyers of Westlake Chemical Partners during December 2025 were Clearbridge Investments, LLC (147.69K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (66.58K), UBS Group AG (57.62K), CITADEL ADVISORS LLC (43.49K), MORGAN STANLEY (30.67K).
Leading sellers of Westlake Chemical Partners stock in December 2025 included Energy Income Partners, LLC (212.11K), GOLDMAN SACHS GROUP INC (21.86K), HRT FINANCIAL LP (14.02K), Pathway Financial Advisers, LLC (3.80K), Tower Research Capital LLC (TRC) (541).
The top 10 institutional holders of Westlake Chemical Partners for the quarter ending December 2025 included Energy Income Partners, LLC (1.56Mn), Clearbridge Investments, LLC (633.57K), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (586.88K), UBS Group AG (520.39K), BANK OF AMERICA CORP /DE/ (256.95K), CITIGROUP INC (215.96K), GOLDMAN SACHS GROUP INC (206.31K), MORGAN STANLEY (193.14K), Pathway Financial Advisers, LLC (103.38K), JPMORGAN CHASE & CO (94.45K).

56 Institutional Holders

431,265 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Energy Income Partners, LLC	31 Dec, 2025	1,564,489	-212,108	-11.94%	$29,725,291.00
Clearbridge Investments, LLC	31 Dec, 2025	633,569	147,687	30.40%	$12,037,811.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	586,880	9,596	1.66%	$11,150,720.00
UBS Group AG	31 Dec, 2025	520,388	57,624	12.45%	$9,887,372.00
BANK OF AMERICA CORP /DE/	31 Dec, 2025	256,953	1,678	0.66%	$4,882,107.00
CITIGROUP INC	31 Dec, 2025	215,959	30,400	16.38%	$4,103,221.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	206,306	-21,856	-9.58%	$3,919,814.00
MORGAN STANLEY	31 Dec, 2025	193,138	30,668	18.88%	$3,669,623.00
Pathway Financial Advisers, LLC	31 Dec, 2025	103,377	-3,800	-3.55%	$1,964,154.00
JPMORGAN CHASE & CO	31 Dec, 2025	94,455	173	0.18%	$1,794,645.00
Gilman Hill Asset Management, LLC	31 Dec, 2025	84,442	7,000	9.04%	$1,604,398.00
ING GROEP NV	31 Dec, 2025	82,000	29,000	54.72%	$1,558,000.00
Fractal Investments LLC	31 Dec, 2025	80,400	0	0.00%	$1,527,600.00
CITADEL ADVISORS LLC	31 Dec, 2025	74,482	43,491	140.33%	$1,415,158.00
SUSQUEHANNA INTERNATIONAL GROUP, LLP	31 Dec, 2025	66,576	66,576	0.00%	$1,264,944.00
Advisory Services Network, LLC	31 Dec, 2025	48,000	7,000	17.07%	$912,000.00
Samalin Investment Counsel, LLC	31 Dec, 2025	44,326	15,520	53.88%	$842,188.00
EAGLE GLOBAL ADVISORS LLC	31 Dec, 2025	43,873	0	0.00%	$833,587.00
Pinnacle Holdings, LLC	31 Dec, 2025	38,942	-225	-0.57%	$739,898.00
GSA CAPITAL PARTNERS LLP	31 Dec, 2025	38,504	5,224	15.70%	$732.00

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