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Westlake Corp

WLK
Exchange
NYSE
Industry
Industrial Organic Chemicals
SEC CIK
0001262823

In the last 90 days, Westlake Corp insiders filed 0 open-market purchases and 1 sale; 360 institutions reported holding it in 13F filings for Q2 2026, worth $2.90B in total; no superinvestor holds it.

Q4 2023 vs. Q3 2023

How the institutions holding Westlake Corp changed between Q3 2023 and Q4 2023.

All holders in Q4 2023All holders in Q3 2023

13F holders of WLK: Q3 2023 compared with Q4 2023
MeasureQ3 2023Of which not filed for Q4 2023Q4 2023Change
Holders3356357+28
Shares37.2M105.7K36.0M−1.11M (−3.0%)
Value$4.64B$13.2M$5.04B+$412.6M (+8.9%)

6 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so the changes leave them out.

New holders (57)

Institutions that held Westlake Corp at the end of Q4 2023 but not at the end of Q3 2023.

Institutions new to WLK in Q4 2023
InstitutionSharesValue% of portfolio
Cerity Partners LLC60,676$8.49M0.03%
Janney Montgomery Scott LLC53,504$7.49M0.02%
Jefferies Financial Group Inc.43,032$6.02M0.09%
Knights of Columbus Asset Advisors LLC40,392$5.65M0.36%
UBS Oconnor LLC35,700$5.00M0.16%
Susquehanna Portfolio Strategies, LLC33,036$4.62M0.08%
Quantbot Technologies LP9,983$1.40M0.08%
B. Metzler seel. Sohn & Co. AG9,000$1.26M0.02%
Inspire Advisors, LLC8,818$1.23M0.19%
PEAK6 Investments LLC6,533$914.4K0.04%
Seven Eight Capital, LP6,103$854.2K0.10%
PAX Financial Group, LLC5,032$718.6K0.15%
Entropy Technologies, LP5,114$715.8K0.13%
FORA Capital, LLC4,582$641.3K0.06%
XTX Topco Ltd3,960$554.2K0.12%
Brevan Howard Capital Management LP3,926$549.5K0.06%
Ethic Inc.3,900$545.8K0.02%
James Investment Research Inc3,683$515.5K0.06%
Tyche Wealth Partners LLC2,683$375.5K0.09%
Stifel Financial Corp2,497$349.5K0.00%
Pathstone Holdings, LLC2,495$349.2K0.00%
Bridgefront Capital, LLC2,348$328.6K0.25%
Canada Pension Plan Investment Board2,300$321.9K0.00%
Royal London Asset Management Ltd2,201$308.1K0.00%
Colony Group, LLC1,941$272.0K0.00%
Inceptionr LLC1,883$263.5K0.19%
Bank of Nova Scotia1,825$255.4K0.00%
Franklin Resources Inc1,823$255.1K0.00%
L2 Asset Management, LLC1,750$245.0K0.10%
CBOE Vest Financial, LLC1,682$235.4K0.01%
Park Avenue Securities LLC1,648$231.0K0.00%
Grey Fox Wealth Advisors, LLC1,570$219.8K0.10%
FourThought Financial Partners, LLC1,552$217.2K0.03%
M&T Bank Corp1,526$213.6K0.00%
Peterson Wealth Services1,516$212.2K0.09%
Wetherby Asset Management Inc1,504$210.5K0.01%
Clarius Group, LLC1,476$206.6K0.02%
Astoria Portfolio Advisors LLC.1,449$202.0K0.08%
Degroof Petercam Asset Management1,200$168.0K0.00%
Advisory Services Network, LLC676$94.7K0.00%
Planned Solutions, Inc.625$87.5K0.04%
GAMMA Investing LLC269$37.2K0.01%
CVA Family Office, LLC180$25.2K0.00%
Desjardins Global Asset Management Inc.115$16.1K0.00%
Private Wealth Management Group, LLC51$7.14K0.00%
Smartleaf Asset Management LLC41$5.77K0.00%
Cetera Trust Company, N.A40$5.60K0.00%
Bruce G. Allen Investments, LLC31$4.34K0.00%
Principal Securities, Inc.25$3.50K0.00%
Valley National Advisers Inc20$2.00K0.00%
Allworth Financial LP10$1.40K0.00%
DiNuzzo Private Wealth, Inc.9$1.26K0.00%
Winthrop Capital Management, LLC8$1.12K0.00%
First Horizon Advisors, Inc.7$9800.00%
Raleigh Capital Management Inc.5$7000.00%
Group One Trading, L.P.4$5600.00%
Sachetta, LLC4$5600.00%

Sold out (29)

Institutions that held Westlake Corp at the end of Q3 2023 and filed for Q4 2023 without it.

Not filed for Q4 2023 yet (6)

Institutions that held Westlake Corp at the end of Q3 2023 and haven't filed a 13F for Q4 2023. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding WLK in Q3 2023 that haven't filed for Q4 2023
InstitutionShares, Q3 2023Value, Q3 2023
Virginia Retirement Systems Et Al94,961$11.8M
Quantamental Technologies LLC3,994$497.9K
BTC Capital Management, Inc.3,099$386.4K
Colony Group LLC1,939$242.0K
Pathstone Family Office, LLC1,668$207.9K
Steward Financial Group LLC63$7.00K