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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.

Q1 2025 vs. Q4 2024

How the institutions holding Westlake Corp changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of WLK: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders3783361−14
Shares35.3M983.1K36.4M+2.10M (+6.1%)
Value$4.04B$112.7M$3.64B−$292.4M (−7.4%)

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (47)

Institutions that held Westlake Corp at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to WLK in Q1 2025
InstitutionSharesValue% of portfolio
Nuveen, LLC729,521$73.0M0.02%
Brandes Investment Partners, LP421,020$42.1M0.43%
HRT Financial LP68,304$6.83M0.04%
Thomist Capital Management, LP46,100$4.57M1.92%
Weiss Asset Management LP31,702$3.17M0.08%
Magnetar Financial LLC27,277$2.73M0.04%
Brevan Howard Capital Management LP16,207$1.62M0.05%
XTX Topco Ltd14,995$1.50M0.08%
Aquatic Capital Management LLC14,126$1.41M0.04%
Gries Financial LLC13,512$1.35M0.26%
ISAM Funds (UK) Ltd10,300$1.03M0.51%
Standard Life Aberdeen plc10,001$1.00M0.00%
Ashton Thomas Private Wealth, LLC7,059$706.1K0.03%
CAPROCK Group, Inc.6,551$655.3K0.02%
Lighthouse Investment Partners, LLC6,105$610.7K0.03%
Allstate Corp5,807$580.9K0.02%
Teacher Retirement System of Texas5,644$564.6K0.00%
Truist Financial Corp4,581$458.2K0.00%
OP Asset Management Ltd4,172$417.3K0.01%
Oxford Asset Management LLP3,948$394.9K0.18%
SummitTX Capital, L.P.3,352$335.3K0.01%
Bayesian Capital Management, LP2,841$284.2K0.05%
Universal- Beteiligungs- und Servicegesellschaft mbH2,816$281.7K0.00%
111 Capital2,670$267.1K0.05%
Catalyst Funds Management Pty Ltd2,600$260.1K0.07%
Swiss Life Asset Management Ltd2,583$258.4K0.00%
ASR Vermogensbeheer N.V.2,490$249.1K0.00%
Jump Financial, LLC2,322$232.3K0.00%
Kentucky Retirement Systems2,289$229.0K0.01%
McMahon Financial Advisors, LLC2,171$217.2K0.05%
United Services Automobile Association2,133$211.4K0.01%
Rakuten Investment Management, Inc.1,065$105.6K0.00%
Siemens Fonds Invest GmbH413$41.3K0.00%
Coldstream Capital Management Inc289$28.9K0.00%
CIBC Private Wealth Group, LLC287$23.8K0.00%
Mirae Asset Global Investments Co., Ltd.185$18.3K0.00%
Binnacle Investments Inc150$15.0K0.01%
MV Capital Management, Inc.16$1.60K0.00%
Saudi Central Bank15$1.50K0.01%
Zions Bancorporation, National Association14$1.40K0.00%
South State Corp.11$1.10K0.00%
Ogorek Anthony Joseph18$1.00K0.00%
Hantz Financial Services, Inc.6$1.00K0.00%
WealthTrak Capital Management LLC5$5010.00%
Bay Harbor Wealth Management, LLC2$2000.00%
HFM Investment Advisors, LLC1$1010.00%
Avion Wealth3$00.00%

Sold out (61)

Institutions that held Westlake Corp at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of WLK in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Orbis Allan Gray Ltd299,802$34.4M
Merewether Investment Management, LP273,637$31.4M
Readystate Asset Management LP115,728$13.3M
Moran Wealth Management, LLC68,539$7.86M
Jain Global LLC48,285$5.54M
Assenagon Asset Management S.A.35,046$4.02M
Bank of Nova Scotia25,296$2.90M
Hudson Bay Capital Management LP25,000$2.87M
CBOE Vest Financial, LLC21,501$2.47M
Marshall Wace, LLP15,914$1.82M
Group One Trading, L.P.13,618$1.56M
Old Mission Capital LLC9,165$1.05M
AustralianSuper Pty Ltd8,380$960.8K
Custom Index Systems, LLC7,059$809.3K
B. Metzler seel. Sohn & Co. AG6,900$787.1K
LMCG Investments, LLC6,751$774.0K
Concentric Capital Strategies, LP5,889$675.2K
Farringdon Capital, Ltd.5,596$641.6K
Versor Investments LP5,016$575.1K
Pacer Advisors, Inc.4,988$571.9K
Wealthcare Advisory Partners LLC4,954$568.0K
Nomura Holdings Inc4,440$509.0K
Intech Investment Management LLC3,960$454.0K
Fieldview Capital Management, LLC3,929$450.5K
Crestline Management, LP3,648$418.2K
Campbell & CO Investment Adviser LLC3,549$406.9K
James Investment Research Inc3,418$391.9K
Acadian Asset Management LLC3,201$366.0K
Union Bancaire Privee, UBP SA3,346$361.1K
Wisconsin Wealth Advisors, LLC2,933$336.3K
Lindenwold Advisors2,683$307.6K
Westover Capital Advisors, LLC2,555$292.9K
Sigma Planning Corp2,531$290.2K
Forum Financial Management, LP2,393$274.4K
Keybank National Association2,022$231.8K
Cercano Management LLC1,978$226.8K
Tyche Wealth Partners LLC1,933$221.6K
Net Worth Advisory Group1,927$220.9K
Maryland State Retirement & Pension System1,915$219.6K
RSM US Wealth Management LLC1,896$215.1K
Prudential PLC1,866$213.9K
Utah Retirement Systems1,800$206.4K
Optas, LLC1,799$206.3K
CIBC World Markets Corp1,746$200.2K
Venturi Wealth Management, LLC789$90.5K
Aster Capital Management (DIFC) Ltd603$69.1K
Pathway Financial Advisers, LLC284$32.5K
Silicon Valley Capital Partners245$28.1K
Proequities, Inc.210$24.7K
Elequin Capital LP87$9.97K
Twin Tree Management, LP73$8.37K
Centerpoint Advisors, LLC50$6.00K
Rothschild Investment LLC45$5.16K
Huntington National Bank40$4.59K
CoreFirst Bank & Trust20$2.29K
Coppell Advisory Solutions LLC19$2.16K
Continuum Advisory, LLC12$1.38K
Hexagon Capital Partners LLC10$1.15K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC8$917
Raleigh Capital Management Inc.6$688
AdvisorNet Financial, Inc1$115

Not filed for Q1 2025 yet (3)

Institutions that held Westlake Corp at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding WLK in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC983,090$112.7M
Zions Bancorporation, N.A.34$3.90K
Cassady Schiller Wealth Management, LLC1$115