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Equibles

WLKP

Westlake Chemical Partners LP

Company with tickers: WLKP

CIK
1604665
CUSIP
960417103
Shares Outstanding
35,245,879
13F Activity (30d)
44 filings 42 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 58
Total Value: $227,861,991
Total Shares: 10,315,166

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 58 13F filers · Δ vs Dec 31, 2025
Top Holder
48.2%
Jun 2023 → Mar 2026 · range 42.2% – 51.0%
−0.1 pts
Top 5
80.8%
Jun 2023 → Mar 2026 · range 80.5% – 85.7%
+0.4 pts
Top 10
90.2%
Jun 2023 → Mar 2026 · range 89.9% – 92.7%
+0.2 pts
HHI
2,685
Jun 2023 → Mar 2026 · range 2,372 – 3,098
Highly concentrated −3

Quarterly Activity

vs Dec 31, 2025
New
8
Increased
14
Decreased
17
Sold Out
10
Unchanged
19
Holder count: -2
Institutional value: +16.6%
Shares held: +0.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. +104,915 691,795
Large HRT FINANCIAL LP +26,293 44,681
Mid Energy Income Partners, LLC +17,518 1,582,007
Mega GOLDMAN SACHS GROUP INC +13,352 219,658
Mega CITIGROUP INC +12,796 228,755

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega UBS Group AG −62,661 457,727
Mega CITADEL ADVISORS LLC −30,057 44,425
Mega BANK OF AMERICA CORP /DE/ −28,801 228,152
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP −14,456 65,320
Mid Jump Financial, LLC −12,700 12,200

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large ACADIAN ASSET MANAGEMENT LLC 11,798 $260,617
Small Inspire Advisors, LLC 11,514 $254,344
Mid MGO ONE SEVEN LLC 10,949 $241,863
Mega JANE STREET GROUP, LLC 10,900 $240,781
Mid HARBOUR INVESTMENTS, INC. 1,600 $35,344

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Mid Virtu Financial LLC 16,109 $306,071
Mid Private Advisor Group, LLC 11,700 $222,300
Micro Centennial Bank/AR/ 9,120 $173,280
Large Kestra Advisory Services, LLC 1,059 $20,121
Large CIBC Private Wealth Group LLC 1,000 $19,000
Filter: New 8 Increased 14 Reduced 17 Sold out 10 Unchanged 19
Showing 60 of 60
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega Invesco Ltd. $109,849,417 48.21% 4,972,812
Mid Energy Income Partners, LLC $34,946,533 15.34% 1,582,007
Large MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. Mutual Fund $15,281,751 6.71% 691,795
Mega Clearbridge Investments, LLC $13,995,539 6.14% 633,569
Mega UBS Group AG $10,111,188 4.44% 457,727
Mega CITIGROUP INC $5,053,197 2.22% 228,755
Mega BANK OF AMERICA CORP /DE/ Bank $5,039,877 2.21% 228,152
Mega GOLDMAN SACHS GROUP INC $4,852,245 2.13% 219,658
Mega MORGAN STANLEY $3,988,813 1.75% 180,571
Small Pathway Financial Advisers, LLC $2,354,749 1.03% 106,598
Mega JPMORGAN CHASE & CO $2,078,779 0.91% 94,105
Small Gilman Hill Asset Management, LLC $1,926,292 0.85% 87,202
Large ING GROEP NV $1,811,380 0.79% 82,000
Small Fractal Investments LLC $1,776,036 0.78% 80,400
Mega LPL Financial LLC $1,021,264 0.45% 46,232
Mid Advisory Services Network, LLC $994,050 0.44% 45,000
Large HRT FINANCIAL LP $987,003 0.43% 44,681
Mid EAGLE GLOBAL ADVISORS LLC $969,154 0.43% 43,873
Small Samalin Investment Counsel, LLC $925,350 0.41% 41,890
Small Pinnacle Holdings, LLC $860,228 0.38% 38,942
Mid GSA CAPITAL PARTNERS LLP $785,719 0.34% 35,569
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $780,217 0.34% 35,320
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $662,700 0.29% 30,000
Mega CITADEL ADVISORS LLC $623,490 0.27% 28,225
Large GLENMEDE TRUST CO NA Bank $580,481 0.25% 26,278
Small Hilltop Holdings Inc. $526,404 0.23% 23,830
Mid Apollon Wealth Management, LLC $465,745 0.20% 21,084
Mega ENVESTNET ASSET MANAGEMENT INC $451,166 0.20% 20,424
Mega CITADEL ADVISORS LLC $357,858 0.16% 16,200
Large OSAIC HOLDINGS, INC. $336,055 0.15% 15,213
Mega RAYMOND JAMES FINANCIAL INC $307,691 0.14% 13,929
Mega WELLS FARGO & COMPANY/MN $296,314 0.13% 13,414
Mid U.S. Capital Wealth Advisors, LLC $276,125 0.12% 12,500
Mid Jump Financial, LLC $269,498 0.12% 12,200
Large Mariner, LLC $261,545 0.11% 11,840
Large ACADIAN ASSET MANAGEMENT LLC $260,617 0.11% 11,798
Mid Susquehanna Portfolio Strategies, LLC $260,374 0.11% 11,787
Small Inspire Advisors, LLC $254,344 0.11% 11,514
Large Fayez Sarofim & Co $254,035 0.11% 11,500
Mid MGO ONE SEVEN LLC $241,863 0.11% 10,949
Mega JANE STREET GROUP, LLC $240,781 0.11% 10,900
Mega ROYAL BANK OF CANADA Bank $233,756 0.10% 10,582
Mid Geneos Wealth Management Inc. $151,846 0.07% 6,874
Mid HARBOUR INVESTMENTS, INC. $35,344 0.02% 1,600
Mid Sound Income Strategies, LLC $32,295 0.01% 1,462
Small Quent Capital, LLC $22,090 0.01% 1,000
Small Financial Management Professionals, Inc. $11,045 0.00% 500
Mid MAI Capital Management $11,045 0.00% 500
Mid Atlantic Union Bankshares Corp $10,271 0.00% 465
Large JONES FINANCIAL COMPANIES LLLP $9,454 0.00% 428
Mid HM PAYSON & CO $9,078 0.00% 411
Small Archer Investment Corp $5,191 0.00% 235
Small Indiana Trust & Investment Management Co $4,418 0.00% 200
Large Rockefeller Capital Management L.P. $2,540 0.00% 115
Mid Allworth Financial LP $2,209 0.00% 100
Mega BNP PARIBAS ARBITRAGE, SA $2,209 0.00% 100
Large CWM, LLC $1,435 0.00% 65
Mid Larson Financial Group LLC $1,237 0.00% 56
Small MCGUIRE CAPITAL ADVISORS INC $441 0.00% 20
Large NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO $220 0.00% 10

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