Westlake Corporation
GB ˙ LSE ˙ US9604131022
US$ 83,18 ↓ -1.86 (-2.19%)
2026-06-05
PREÇO DA AÇÃO
SecurityGB:0LVK / Westlake Corporation
InstitutionCreative Planning
Latest Disclosed Ownership11,961 shares
Latest Disclosed Value $ 1,397,284
Creative Planning reports 55.64% increase in ownership of 0LVK / Westlake Corporation

On May 12, 2026 - Creative Planning filed a 13F-HR form disclosing ownership of 11,961 shares of Westlake Corporation (GB:0LVK) valued at $1,398,480 USD as of March 31, 2026. The entity filed a previous 13F-HR on February 17, 2026 disclosing 7,685 shares of Westlake Corporation. This represents a change in shares of 55.64% during the quarter. The current value of the position is $994,916 USD.

Institutional Ownership: 13F and NPORT Filings

The Security and Class in the table below are shown exactly as filed by the investor. We do our best to track continuity of investments through acquisitions, and this will be reflected in the table as changes in names. In addition to descriptive data, performance of the investment is shown over time. To calculate quarterly performance, we first calculate cost basis of the shares purchased during the quarter, then use that to calculate gross profit. Quarterly return is Gross Profit / Starting Portfolio value.

Note that cost basis is calculated and stored in thousands, so small quarterly changes in shares frequently result in a cost basis of zero.

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Disclosed Equity Positions (from 13F/NPORT Filings)
File
Date
Effective
Date
Form Security Class ID Avg Price
Paid (Est)
Reported
Shares
ΔShares ΔShares
(%)
Reported
Value
(x1000)
ΔValue
(%)
Alloc
(%)
ΔAlloc ΔAlloc (%) Cost Basis
(x1000)
Unrealized
Gain/Loss
(x1000)
2026-05-12 2026-03-31 13F WESTLAKE COM 960413102 11,961 4,276 55.64 1,397 145.95 0.0009
2026-02-17 2025-12-31 13F WESTLAKE COM 960413102 7,685 -5,644 -42.34 568 -44.69 0.0004
2025-11-14 2025-09-30 13F WESTLAKE COM 960413102 13,329 2,164 19.38 1,027 21.25 0.0008
2025-08-08 2025-06-30 13F WESTLAKE COM 960413102 11,165 3,147 39.25 848 5.74 0.0007
2025-05-15 2025-03-31 13F WESTLAKE COM 960413102 8,018 1,246 18.40 802 3.22 0.0008
2025-02-14 2024-12-31 13F WESTLAKE COM 960413102 6,772 1,130 20.03 776 -8.38 0.0008
2024-10-11 2024-09-30 13F WESTLAKE COM 960413102 5,642 -95 -1.66 848 2.05 0.0008
2024-08-15 2024-06-30 13F WESTLAKE COM 960413102 5,737 250 4.56 831 -0.95 0.0009
2024-05-13 2024-03-31 13F WESTLAKE COM 960413102 5,487 1,022 22.89 838 34.29 0.0009
2024-02-14 2023-12-31 13F WESTLAKE COM 960413102 4,465 1,276 40.01 625 57.18 0.0012
2023-11-16 2023-09-30 13F WESTLAKE COM 960413102 3,189 3,189 398 0.0005
2023-05-15 2023-03-31 13F WESTLAKE COM 960413102 0 -26 -100.00 0 -100.00
2023-02-10 2022-12-31 13F WESTLAKE COM 960413102 26 26 3 0.0000
2019-02-12 2018-12-31 13F/A-1 WESTLAKE CHEM COM 960413102 0 -2,739 -100.00 0 -100.00
2018-10-25 2018-09-30 13F WESTLAKE CHEM COM 960413102 2,739 737 36.81 228 6.05 0.0008
2018-07-20 2018-06-30 13F WESTLAKE CHEM COM 960413102 2,002 79 4.11 215 0.47 0.0008
2018-04-18 2018-03-31 13F WESTLAKE CHEM COM 960413102 1,923 1,923 214 0.0009
2017-10-17 2017-09-30 13F WESTLAKE CHEM COM 960413102 0 -100 -100.00 0 -100.00
2017-07-12 2017-06-30 13F WESTLAKE CHEM COM 960413102 100 0 0.00 7 0.00 0.0000
2017-04-07 2017-03-31 13F WESTLAKE CHEM COM 960413102 100 0 0.00 7 16.67 0.0000
2017-01-09 2016-12-31 13F WESTLAKE CHEM COM 960413102 100 0 0.00 6 20.00 0.0000
2016-10-12 2016-09-30 13F WESTLAKE CHEM COM 960413102 100 0 0.00 5 25.00 0.0000
2016-07-12 2016-06-30 13F WESTLAKE CHEM COM 960413102 100 0 0.00 4 -20.00 0.0000
2016-04-08 2016-03-31 13F WESTLAKE CHEM COM 960413102 100 0 0.00 5 0.00 0.0000
2016-01-11 2015-12-31 13F WESTLAKE CHEM COM 960413102 100 -15 -13.04 5 -16.67 0.0000
2015-10-09 2015-09-30 13F WESTLAKE CHEM COM 960413102 115 115 0.00 6 0.0001
2015-07-09 2015-06-30 13F WESTLAKE CHEM COM 960413102 0 -15 -100.00 0 -100.00
2015-04-13 2015-03-31 13F WESTLAKE CHEM COM 960413102 15 15 0.00 1 0.0000
2015-01-29 2014-12-31 13F WESTLAKE CHEM COM 960413102 0 -50 -100.00 0 -100.00
2014-10-10 2014-09-30 13F WESTLAKE CHEM COM 960413102 50 -150 -75.00 4 -69.23 0.0000
2014-04-11 2014-03-31 13F WESTLAKE CHEM COM 960413102 200 170 566.67 13 225.00 0.0002
2014-01-06 2013-12-31 13F WESTLAKE CHEM COM 960413102 30 30 4 0.0001
Legend
Shares
The total number of shares held by the institution at the end of the reporting period (the effective date). This is provided in the filing.
Value
The total value of the shares as of the effective date. This is provided in the filing.
Avg. Share Price
The weighted average share price of the shares held by the institution. We use FIFO accounting to determine this price
Class
This is the security class as indicated by the filer. There are a variety of values for this field. Common values include "EC" = equity common, "EP" - equity preferred
Allocation (%)
The percent of the institution's portfolio that this position represents. This is provided in NPORT filings. For 13F filings, we calculate it.
Change in Allocation
The change in allocation from the prior reporting period. This is calculated as current allocation - prior allocation.
Change in Allocation (%)
The percent change in allocation from the prior reporting period. This is calculated as (current allocation - prior allocation) / prior allocation.
Cost Basis
The total cost of the shares held. This is calculated as reported shares * avg. share price
Unrealized Gain/Loss
This is the market value of the position as of the effective date minus the cost basis.