Latest Period
Q1 2026
Security Snapshot
Westlake Chemical Partners LP - Com Unit RP LP (WLKP) Institutional Ownership
CUSIP: 960417103
13F Institutional Holders and Ownership History from Q3 2014 to Q2 2026
Institutions Reporting
57
Shares (Excl. Options)
10,258,066
Price
$22.09
Save this security page for your next review
Keep this CUSIP in your watchlists so you can revisit quarter changes from one place. If you create an account from here, we will bring you back after verification.
- Security type / class
- Equity / Com Unit RP LP
- Symbol
- WLKP on NYSE
- All holders as of 31 Mar 2026
- Q1 2026
- Total 13F shares
- 10,258,066
- Total 13F value
- $226,565,951
- Portfolio coverage rank
- 0%
- Share change
- -15,910
- Value change
- -$227,565
- Number of holders
- 57
- Shares outstanding
- 35,236,239
- SEC-reported price per share
- $22.26
Latest holder snapshot
5 signals
Issuer context
Names, identifiers, and filing context for this profile.
2 identity fields
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors
Key facts
- WLKP - Westlake Chemical Partners LP - Com Unit RP LP is tracked under CUSIP 960417103.
- 57 institutions reported positions in Q1 2026.
- 1 significant owner is listed from Schedule 13D/13G reporting.
Change
- Holder count moved from 57 to 2 between Q1 2026 and Q2 2026.
- SEC-reported value moved from $226,565,951 to $1,976,221.
Research use
- You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
- 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.
Evidence
Source: SEC Form 13F
Open SEC evidence
Latest holder context comes from 57 institutions filings for Q1 2026.
Security key
960417103
Latest holder period
Q1 2026
13F holders
57
13D/G owners
1
CIK / CUSIP context first
Open Q1 2026 holders
WLKP full holder history
Westlake Chemical Partners LP SEC filings
Westlake Chemical Partners LP company facts
Westlake Chemical Partners LP insider transactions
Broader feeds
Recent Quarterly Holder Reports
Open recent reporting periods for CUSIP 960417103:
13D/G owners
Significant owners
Large-stake holder rows connected to Schedule 13D/G evidence.
Rows
1
Security
WLKP
| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Energy Income Partners, LLC | 4.4% | -12% | $29,647,067 | -$3,980,542 | 1,564,489 | -12% | Energy Income Partners, LLC | 31 Dec 2025 |
As of 31 Mar 2026, 57 institutional investors reported holding 10,258,066 shares of Westlake Chemical Partners LP - Com Unit RP LP (WLKP). This represents 29% of the company’s total 35,236,239 outstanding shares.
13F concentration
Top 25 institutional shareholders
Largest 13F positions for this security by reported shares and value.
Top holder share
29%
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| Invesco Ltd. | 14% | 4,972,812 | 0% | 0.02% | $109,849,417 |
| Energy Income Partners, LLC | 4.5% | 1,582,007 | +1.1% | 0.56% | $34,946,535 |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 2% | 691,795 | +18% | 0.02% | $15,281,752 |
| Clearbridge Investments, LLC | 1.8% | 633,569 | 0% | 0.01% | $13,995,539 |
| UBS Group AG | 1.3% | 457,727 | -12% | 0% | $10,111,189 |
| CITIGROUP INC | 0.65% | 228,755 | +5.9% | 0% | $5,053,198 |
| BANK OF AMERICA CORP /DE/ | 0.65% | 228,152 | -11% | 0% | $5,039,878 |
| GOLDMAN SACHS GROUP INC | 0.62% | 219,658 | +6.5% | 0% | $4,852,245 |
| MORGAN STANLEY | 0.51% | 180,571 | -6.6% | 0% | $3,988,817 |
| Pathway Financial Advisers, LLC | 0.3% | 106,598 | +3.1% | 0.67% | $2,354,760 |
| JPMORGAN CHASE & CO | 0.27% | 94,105 | -0.37% | 0% | $2,045,843 |
| Gilman Hill Asset Management, LLC | 0.25% | 87,202 | +3.3% | 0.29% | $1,926,292 |
| ING GROEP NV | 0.23% | 82,000 | 0% | 0.01% | $1,811,380 |
| Fractal Investments LLC | 0.23% | 80,400 | 0% | 0.21% | $1,776,036 |
| LPL Financial LLC | 0.13% | 46,232 | +37% | 0% | $1,021,263 |
| Advisory Services Network, LLC | 0.13% | 45,000 | -6.2% | 0.01% | $994,050 |
| HRT FINANCIAL LP | 0.13% | 44,681 | +143% | 0% | $987,000 |
| EAGLE GLOBAL ADVISORS LLC | 0.12% | 43,873 | 0% | 0.03% | $969,155 |
| Samalin Investment Counsel, LLC | 0.12% | 41,890 | -5.5% | 0.33% | $925,343 |
| Pinnacle Holdings, LLC | 0.11% | 38,942 | 0% | 0.28% | $860,229 |
| GSA CAPITAL PARTNERS LLP | 0.1% | 35,569 | -7.6% | 0.05% | $786,000 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.1% | 35,320 | -47% | 0% | $780,219 |
| CITADEL ADVISORS LLC | 0.08% | 28,225 | -62% | 0% | $623,490 |
| GLENMEDE TRUST CO NA | 0.07% | 26,278 | 0% | 0% | $580,481 |
| Hilltop Holdings Inc. | 0.07% | 23,830 | -2% | 0.05% | $526,405 |
Quarter history
Institutional holders across reporting periods
Holder count, reported shares/value, and median price by quarter.
Periods
48
Latest
Q1 2026
Rows shown
1-25 of 48
| Period | 13F Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2026 Q2 | 88,779 | $1,976,221 | +$23,974 | $22.26 | 2 |
| 2026 Q1 | 10,258,066 | $226,565,951 | -$227,565 | $22.09 | 57 |
| 2025 Q4 | 10,275,151 | $195,229,947 | +$3,390,424 | $19.00 | 60 |
| 2025 Q3 | 10,109,606 | $212,216,915 | -$4,555,794 | $20.99 | 58 |
| 2025 Q2 | 10,316,397 | $227,886,152 | +$2,363,949 | $22.09 | 59 |
| 2025 Q1 | 10,217,090 | $235,909,213 | -$5,691,151 | $23.09 | 53 |
| 2024 Q4 | 10,463,357 | $242,123,924 | +$4,066,179 | $23.14 | 51 |
| 2024 Q3 | 10,188,783 | $228,347,640 | -$444,844 | $22.41 | 54 |
| 2024 Q2 | 10,307,669 | $232,743,867 | -$15,695,554 | $22.58 | 58 |
| 2024 Q1 | 10,515,147 | $233,443,946 | -$763,406 | $22.20 | 61 |
| 2023 Q4 | 10,552,023 | $228,453,024 | +$717,688 | $21.65 | 61 |
| 2023 Q3 | 10,534,891 | $229,130,285 | -$3,230,139 | $21.75 | 56 |
| 2023 Q2 | 10,623,578 | $230,438,623 | -$4,879,056 | $21.69 | 54 |
| 2023 Q1 | 10,840,173 | $238,585,837 | -$6,795,499 | $22.01 | 55 |
| 2022 Q4 | 11,160,671 | $262,284,902 | +$2,582,745 | $23.50 | 53 |
| 2022 Q3 | 10,958,677 | $235,655,110 | -$4,112,196 | $21.50 | 51 |
| 2022 Q2 | 11,166,096 | $278,144,141 | +$515,727 | $24.91 | 57 |
| 2022 Q1 | 11,152,909 | $302,079,641 | -$8,457,651 | $27.08 | 64 |
| 2021 Q4 | 11,464,299 | $307,851,626 | +$4,082,957 | $26.86 | 61 |
| 2021 Q3 | 11,327,849 | $275,865,986 | -$10,002,059 | $24.34 | 58 |
| 2021 Q2 | 11,718,499 | $315,465,268 | -$5,401,807 | $26.92 | 59 |
| 2021 Q1 | 11,940,505 | $286,996,574 | -$49,229,643 | $24.02 | 53 |
| 2020 Q4 | 13,958,375 | $332,759,536 | -$15,291,018 | $23.84 | 47 |
| 2020 Q3 | 14,621,902 | $274,160,406 | -$6,631,307 | $18.75 | 42 |
| 2020 Q2 | 14,974,788 | $283,621,280 | -$15,670,742 | $18.94 | 46 |