Vault-13

WESTLAKE CORPORATION WLK

COM · Common Stock · CUSIP 960413102 · ISIN US9604131022

American petrochemical company

403 institutional holders +21 vs Q2 2024
33,719,34733.7m shares reported held*
26.2% of all shares outstanding*
$5.1bnreported value*
63 new 147 added 124 reduced 46 sold out net sold ≈ $52.0m (-357.8k shares)

* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($27.5m this quarter). Holder counts are more reliable. Shares outstanding: 128.7m as of 2024-10-30, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $150.24. Options: 9 managers hold calls ($25.3m notional), 15 hold puts ($97.7m).

Trends to Q3 2024

Institutional holders

Managers reporting a position, each quarter

0200400600Q3 22: 321Q4 22: 343Q1 23: 342Q2 23: 340Q3 23: 335Q4 23: 357Q1 24: 347Q2 24: 382Q3 24: 403403Q3 22Q1 23Q3 23Q1 24Q3 24
Numbers
QuarterHolders
Q3 2022321
Q4 2022343
Q1 2023342
Q2 2023340
Q3 2023335
Q4 2023357
Q1 2024347
Q2 2024382
Q3 2024403

Buyers vs sellers

Managers adding to or starting a position, vs cutting or selling out

Bought or addedCut or sold out
4000400Q4 22: 167 bought or addedQ4 22: 159 cut or sold outQ1 23: 156 bought or addedQ1 23: 165 cut or sold outQ1 23Q2 23: 143 bought or addedQ2 23: 176 cut or sold outQ3 23: 124 bought or addedQ3 23: 182 cut or sold outQ3 23Q4 23: 145 bought or addedQ4 23: 165 cut or sold outQ1 24: 159 bought or addedQ1 24: 170 cut or sold outQ1 24Q2 24: 187 bought or addedQ2 24: 164 cut or sold outQ3 24: 210 bought or addedQ3 24: 170 cut or sold outQ3 24
Numbers
QuarterBought or addedCut or sold out
Q4 2022167159
Q1 2023156165
Q2 2023143176
Q3 2023124182
Q4 2023145165
Q1 2024159170
Q2 2024187164
Q3 2024210170

Calls vs puts

Options held, notional value, last 4 quarters. P/C = puts ÷ calls

CallsPuts
$0$50m$100m$150mQ4 23 calls: $9.1mQ4 23 puts: $5.9mQ4 23P/C 0.65Q1 24 calls: $17.0mQ1 24 puts: $118.8mQ1 24P/C 6.98Q2 24 calls: $49.8mQ2 24 puts: $23.7mQ2 24P/C 0.48Q3 24 calls: $25.3mQ3 24 puts: $97.7mQ3 24P/C 3.86
Numbers
QuarterCallsPutsP/C
Q4 2023$9.1m$5.9m0.65
Q1 2024$17.0m$118.8m6.98
Q2 2024$49.8m$23.7m0.48
Q3 2024$25.3m$97.7m3.86

Biggest buyers

JACOBS LEVY EQUITY MANAGEMENT, INC Added +520,669+520.7k
Ilex Capital Partners (UK) LLP New +369,564+369.6k
ProShare Advisors LLC Added +245,812+245.8k
Allspring Global Investments Holdings, LLC Added +183,666+183.7k
Balyasny Asset Management L.P. New +119,262+119.3k
TWO SIGMA INVESTMENTS, LP Added +115,521+115.5k
RENAISSANCE TECHNOLOGIES LLC Added +109,000+109.0k
Assenagon Asset Management S.A. New +101,770+101.8k
JANUS HENDERSON GROUP PLC Added +91,973+92.0k
SCOPUS ASSET MANAGEMENT, L.P. Added +90,000+90.0k

Biggest sellers

FMR LLC Reduced -1,382,920-1.4m
Orbis Allan Gray Ltd Reduced -1,008,528-1.0m
JANE STREET GROUP, LLC Reduced -179,174-179.2k
VICTORY CAPITAL MANAGEMENT INC Reduced -103,506-103.5k
MOORE CAPITAL MANAGEMENT, LP Sold out -98,852-98.9k
BARCLAYS PLC Reduced -68,734-68.7k
HRT FINANCIAL LP Reduced -59,853-59.9k
CITADEL ADVISORS LLC Reduced -53,630-53.6k
AQR CAPITAL MANAGEMENT LLC Reduced -52,618-52.6k
Concentric Capital Strategies, LP Sold out -51,127-51.1k

Biggest calls

CITADEL ADVISORS LLC Added $9.3m61.8k shares
SIMPLEX TRADING, LLC Added $7.6m50.6k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $6.5m43.2k shares
WOLVERINE TRADING, LLC Added $600.4k4.0k shares
JANE STREET GROUP, LLC New $571.1k3.8k shares
GTS SECURITIES LLC Added $480.9k3.2k shares
PEAK6 Investments LLC Unchanged $150.3k1.0k shares
Walleye Capital LLC Reduced $150.3k1.0k shares
CONCOURSE FINANCIAL GROUP SECURITIES, INC. Unchanged $00 shares

Biggest puts

BARCLAYS PLC New $50.3m335.0k shares
JANE STREET GROUP, LLC Added $9.8m65.3k shares
UBS Group AG New $9.0m59.9k shares
BANK OF AMERICA CORP /DE/ New $7.5m49.7k shares
CITADEL ADVISORS LLC Reduced $5.9m39.5k shares
SUSQUEHANNA INTERNATIONAL GROUP, LLP Added $5.4m36.1k shares
Twin Tree Management, LP Unchanged $3.8m25.4k shares
WOLVERINE TRADING, LLC Reduced $2.0m13.3k shares
GROUP ONE TRADING LLC Added $1.5m10.1k shares
GTS SECURITIES LLC Added $796.5k5.3k shares

Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.

Insider purchases and sales in Q3 2024

Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.

Officers and directors buying vs selling

Number of people, by quarter (10% owners not included)

BuyingSelling
202Q4 22: 0 buyingQ4 22: 0 sellingQ1 23: 0 buyingQ1 23: 0 sellingQ1 23Q2 23: 0 buyingQ2 23: 0 sellingQ3 23: 0 buyingQ3 23: 1 sellingQ3 23Q4 23: 0 buyingQ4 23: 1 sellingQ1 24: 0 buyingQ1 24: 2 sellingQ1 24Q2 24: 0 buyingQ2 24: 2 sellingQ3 24: 0 buyingQ3 24: 0 sellingQ3 24
Numbers
QuarterBuyingBoughtSellingSoldSold under a plan
Q4 20220—0——
Q1 20230—0——
Q2 20230—0——
Q3 20230—1$131.0k—
Q4 20230—1$550.1k—
Q1 20240—2$1.9m—
Q2 20240—2$1.3m—
Q3 20240—0——

None reported in Q3 2024.

Holders, Q3 2024

#ManagerLocationShares Value% of their portfolioChangeShares change
1 VANGUARD GROUP INC 0.01% of their portfolio Valley Forge, PA 3,856,6803.9m $579.6m $579.6m 0.01% Added +14.8k +14,772
2 BlackRock, Inc. 0.01% of their portfolio New York, NY 3,497,8563.5m $525.7m $525.7m 0.01% First filing
3 VICTORY CAPITAL MANAGEMENT INC 0.40% of their portfolio San Antonio, TX 2,739,7792.7m $411.8m $411.8m 0.40% Reduced -103.5k -103,506
4 FMR LLC 0.02% of their portfolio BOSTON, MA 2,730,0062.7m $410.3m $410.3m 0.02% Reduced -1.4m -1,382,920
5 Orbis Allan Gray Ltd 1.41% of their portfolio HamiltoN, D0 1,770,6721.8m $266.1m $266.1m 1.41% Reduced -1.0m -1,008,528
6 Capital World Investors 0.03% of their portfolio LOS ANGELES, CA 1,286,0111.3m $193.3m $193.3m 0.03% Reduced -48.6k -48,585
7 STATE STREET CORP 0.01% of their portfolio BOSTON, MA 1,198,7101.2m $180.2m $180.2m 0.01% Added +9.8k +9,838
8 Nuveen Asset Management, LLC 0.04% of their portfolio CHICAGO, IL 924,997925.0k $139.0m $139.0m 0.04% Reduced -17.3k -17,328
9 DIMENSIONAL FUND ADVISORS LP 0.03% of their portfolio AUSTIN, TX 890,578890.6k $133.8m $133.8m 0.03% Reduced -36.4k -36,374
10 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.28% of their portfolio CAUSEWAY BAY, K3 834,742834.7k $125.5m $125.5m 0.28% Added +18.6k +18,594
11 GOLDMAN SACHS GROUP INC 0.02% of their portfolio NEW YORK, NY 667,485667.5k $100.3m $100.3m 0.02% Added +9.1k +9,099
12 JACOBS LEVY EQUITY MANAGEMENT, INC 0.34% of their portfolio FLORHAM PARK, NJ 595,149595.1k $89.4m $89.4m 0.34% Added +520.7k +520,669
13 GEODE CAPITAL MANAGEMENT, LLC 0.01% of their portfolio BOSTON, MA 552,646552.6k $82.8m $82.8m 0.01% Added +23.6k +23,558
14 FIRST TRUST ADVISORS LP 0.08% of their portfolio Wheaton, IL 527,919527.9k $79.3m $79.3m 0.08% Added +83.9k +83,873
15 CITADEL ADVISORS LLC 0.08% of their portfolio MIAMI, FL 524,353524.4k $78.8m $78.8m 0.08% Reduced -53.6k -53,630
16 ProShare Advisors LLC 0.17% of their portfolio BETHESDA, MD 454,896454.9k $68.4m $68.4m 0.17% Added +245.8k +245,812
17 NORGES BANK 0.01% of their portfolio OSLO, Q8 402,268402.3k $60.5m $60.5m 0.01% Added +6.9k +6,931
18 Allspring Global Investments Holdings, LLC 0.09% of their portfolio CHARLOTTE, NC 386,480386.5k $58.1m $58.1m 0.09% Added +183.7k +183,666
19 Ilex Capital Partners (UK) LLP 3.74% of their portfolio London, X0 369,564369.6k $55.5m $55.5m 3.74% New
20 MORGAN STANLEY 0.00% of their portfolio NEW YORK, NY 325,462325.5k $48.9m $48.9m 0.00% Added +1.2k +1,245
21 Bank of New York Mellon Corp 0.01% of their portfolio NEW YORK, NY 320,781320.8k $48.2m $48.2m 0.01% Reduced -17.8k -17,769
22 UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.01% of their portfolio NEW YORK, NY 318,284318.3k $47.8m $47.8m 0.01% Added +82.6k +82,617
23 SCOPUS ASSET MANAGEMENT, L.P. 1.23% of their portfolio NEW YORK, NY 276,755276.8k $41.6m $41.6m 1.23% Added +90.0k +90,000
24 NORTHERN TRUST CORP 0.01% of their portfolio CHICAGO, IL 271,182271.2k $40.8m $40.8m 0.01% Reduced -2.8k -2,790
25 Merewether Investment Management, LP 1.86% of their portfolio DALLAS, TX 269,167269.2k $40.5m $40.5m 1.86% Added +45.8k +45,801
26 JPMORGAN CHASE & CO 0.00% of their portfolio NEW YORK, NY 227,106227.1k $34.1m $34.1m 0.00% Reduced -3.8k -3,818
27 CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.01% of their portfolio SAN FRANCISCO, CA 224,362224.4k $33.7m $33.7m 0.01% Reduced -13.7k -13,736
28 JANUS HENDERSON GROUP PLC 0.02% of their portfolio LONDON, X0 201,405201.4k $30.3m $30.3m 0.02% Added +92.0k +91,973
29 ExodusPoint Capital Management, LP 0.29% of their portfolio NEW YORK, NY 189,172189.2k $28.4m $28.4m 0.29% Added +16.8k +16,761
30 1832 Asset Management L.P. 0.05% of their portfolio TORONTO, A6 187,672187.7k $28.2m $28.2m 0.05% Unchanged
31 Invesco Ltd. 0.01% of their portfolio ATLANTA, GA 177,290177.3k $26.6m $26.6m 0.01% Reduced -21.9k -21,941
32 Legal & General Group Plc 0.01% of their portfolio London, X0 173,573173.6k $26.1m $26.1m 0.01% Added +4.8k +4,788
33 RENAISSANCE TECHNOLOGIES LLC 0.04% of their portfolio NEW YORK, NY 168,100168.1k $25.3m $25.3m 0.04% Added +109.0k +109,000
34 ROBOTTI ROBERT 3.75% of their portfolio NEW YORK, NY 164,083164.1k $24.7m $24.7m 3.75% Reduced -215 -215
35 Point72 Asset Management, L.P. 0.08% of their portfolio STAMFORD, CT 155,703155.7k $23.4m $23.4m 0.08% Added +84.6k +84,563
36 Cerity Partners LLC 0.05% of their portfolio NEW YORK, NY 141,951142.0k $21.3m $21.3m 0.05% Added +79.8k +79,815
37 TWO SIGMA INVESTMENTS, LP 0.05% of their portfolio NEW YORK, NY 141,609141.6k $21.3m $21.3m 0.05% Added +115.5k +115,521
38 STOREBRAND ASSET MANAGEMENT AS 0.07% of their portfolio LYSAKER, Q8 141,068141.1k $21.2m $21.2m 0.07% Reduced -148 -148
39 BANK OF MONTREAL /CAN/ 0.01% of their portfolio TORONTO, A6 136,987137.0k $20.6m $20.6m 0.01% Reduced -13.1k -13,060
40 Erste Asset Management GmbH 0.24% of their portfolio VIENNA, C4 131,201131.2k $19.7m $19.7m 0.24% Added +13.4k +13,450
41 Balyasny Asset Management L.P. 0.05% of their portfolio Chicago, IL 119,262119.3k $17.9m $17.9m 0.05% New
42 Swiss National Bank 0.01% of their portfolio ZURICH, V8 113,800113.8k $17.1m $17.1m 0.01% Unchanged
43 SCOUT INVESTMENTS, INC. 0.41% of their portfolio KANSAS CITY, MO 109,123109.1k $15.7m $15.7m 0.41% Added +14.0k +14,037
44 AMERIPRISE FINANCIAL INC 0.00% of their portfolio MINNEAPOLIS, MN 103,808103.8k $15.6m $15.6m 0.00% Reduced -1.9k -1,891
45 Assenagon Asset Management S.A. 0.03% of their portfolio SENNINGERBERG, N4 101,770101.8k $15.3m $15.3m 0.03% New
46 BARCLAYS PLC 0.01% of their portfolio LONDON, X0 96,65196.7k $14.5m $14.5m 0.01% Reduced -68.7k -68,734
47 LAZARD ASSET MANAGEMENT LLC 0.02% of their portfolio NEW YORK, NY 96,51696.5k $14.5m $14.5m 0.02% Added +29.7k +29,725
48 RHUMBLINE ADVISERS 0.01% of their portfolio BOSTON, MA 93,96894.0k $14.1m $14.1m 0.01% Reduced -18.4k -18,420
49 Russell Investments Group, Ltd. 0.02% of their portfolio Seattle, WA 90,68190.7k $13.6m $13.6m 0.02% Added +62.8k +62,759
50 AQR CAPITAL MANAGEMENT LLC 0.02% of their portfolio Greenwich, CT 90,25390.3k $13.5m $13.5m 0.02% Reduced -52.6k -52,618
51 Man Group plc 0.04% of their portfolio LONDON, X0 87,00587.0k $13.1m $13.1m 0.04% Added +7.5k +7,477
52 Qube Research & Technologies Ltd 0.02% of their portfolio LONDON, X0 86,97987.0k $13.1m $13.1m 0.02% Added +38.3k +38,326
53 MILLENNIUM MANAGEMENT LLC 0.01% of their portfolio NEW YORK, NY 86,75886.8k $13.0m $13.0m 0.01% Reduced -44.9k -44,858
54 SCHRODER INVESTMENT MANAGEMENT GROUP 0.01% of their portfolio London, X0 81,17481.2k $12.2m $12.2m 0.01% New
55 Sumitomo Mitsui Trust Group, Inc. 0.01% of their portfolio CHIYODA-KU, TOKYO, M0 80,56880.6k $12.1m $12.1m 0.01% Added +1.5k +1,491
56 BANK OF AMERICA CORP /DE/ 0.00% of their portfolio CHARLOTTE, NC 79,04279.0k $11.9m $11.9m 0.00% Reduced -11.0k -11,021
57 PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio DES MOINES, IA 77,48377.5k $11.6m $11.6m 0.01% Reduced -29.7k -29,726
58 Squarepoint Ops LLC 0.04% of their portfolio NEW YORK, NY 76,58476.6k $11.5m $11.5m 0.04% Added +13.7k +13,673
59 GUGGENHEIM CAPITAL LLC 0.08% of their portfolio CHICAGO, IL 74,24374.2k $11.2m $11.2m 0.08% Reduced -850 -850
60 WEDGE CAPITAL MANAGEMENT L L P/NC 0.19% of their portfolio CHARLOTTE, NC 73,66673.7k $11.1m $11.1m 0.19% Added +6.8k +6,838
61 Moran Wealth Management, LLC 0.34% of their portfolio NAPLES, FL 72,62172.6k $10.9m $10.9m 0.34% Reduced -1.3k -1,342
62 ALLIANCEBERNSTEIN L.P. 0.00% of their portfolio NASHVILLE, TN 70,14370.1k $10.5m $10.5m 0.00% Reduced -300 -300
63 Quantinno Capital Management LP 0.13% of their portfolio NEW YORK, NY 66,31766.3k $10.0m $10.0m 0.13% Added +6.4k +6,392
64 Appian Way Asset Management LP 2.22% of their portfolio NEW YORK, NY 65,61865.6k $9.9m $9.9m 2.22% Added +16.8k +16,778
65 SPROTT INC. 0.62% of their portfolio TORONTO, A6 65,00065.0k $9.8m $9.8m 0.62% Unchanged
66 California Public Employees Retirement System 0.01% of their portfolio Sacramento, CA 63,57863.6k $9.6m $9.6m 0.01% Reduced -4.5k -4,473
67 D. E. Shaw & Co., Inc. 0.01% of their portfolio New York, NY 62,35862.4k $9.4m $9.4m 0.01% New
68 CANADA PENSION PLAN INVESTMENT BOARD 0.01% of their portfolio TORONTO ONTARIO, A6 61,84161.8k $9.3m $9.3m 0.01% New
69 CONTRAVISORY INVESTMENT MANAGEMENT, INC. 1.95% of their portfolio Norwell, MA 60,78360.8k $9.1m $9.1m 1.95% Reduced -107 -107
70 WELLS FARGO & COMPANY/MN 0.00% of their portfolio SAN FRANCISCO, CA 58,80158.8k $8.8m $8.8m 0.00% Reduced -13.8k -13,757
71 Walleye Capital LLC 0.09% of their portfolio NEW YORK, NY 57,49557.5k $8.6m $8.6m 0.09% Added +35.7k +35,683
72 Cubist Systematic Strategies, LLC 0.12% of their portfolio STAMFORD, CT 52,12952.1k $7.8m $7.8m 0.12% New
73 AMERICAN CENTURY COMPANIES INC 0.00% of their portfolio KANSAS CITY, MO 49,33849.3k $7.4m $7.4m 0.00% Added +4.3k +4,289
74 Alyeska Investment Group, L.P. 0.04% of their portfolio CHICAGO, IL 49,18449.2k $7.4m $7.4m 0.04% Reduced -13.0k -12,961
75 BNP PARIBAS FINANCIAL MARKETS 0.01% of their portfolio PARIS, I0 49,08549.1k $7.4m $7.4m 0.01% Added +6.5k +6,476
76 CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.01% of their portfolio WEST SACRAMENTO, CA 47,55447.6k $7.1m $7.1m 0.01% Reduced -2.7k -2,733
77 Janney Montgomery Scott LLC 0.02% of their portfolio PHILADELPHIA, PA 46,66646.7k $7.0m $7.0m 0.02% Added +474 +474
78 HSBC HOLDINGS PLC 0.00% of their portfolio LONDON, X0 45,44045.4k $6.8m $6.8m 0.00% Added +34.2k +34,228
79 Walnut Level Capital LLC 4.07% of their portfolio DENVER, CO 45,00045.0k $6.8m $6.8m 4.07% New
80 Amundi 0.00% of their portfolio Paris, I0 44,49144.5k $6.3m $6.3m 0.00% Added +2.8k +2,841
81 MARSHALL WACE, LLP 0.01% of their portfolio LONDON, X0 42,42642.4k $6.4m $6.4m 0.01% New
82 Knights of Columbus Asset Advisors LLC 0.42% of their portfolio NEW HAVEN, CT 41,76641.8k $6.3m $6.3m 0.42% Added +418 +418
83 WELLINGTON MANAGEMENT GROUP LLP 0.00% of their portfolio Boston, MA 40,65340.7k $6.1m $6.1m 0.00% Reduced -7.9k -7,871
84 Retirement Systems of Alabama 0.02% of their portfolio MONTGOMERY, AL 40,61340.6k $6.1m $6.1m 0.02% Added +940 +940
85 UBS Group AG 0.00% of their portfolio ZURICH, V8 40,61240.6k $6.1m $6.1m 0.00% Added +19.9k +19,942
86 JANE STREET GROUP, LLC 0.01% of their portfolio NEW YORK, NY 39,63739.6k $6.0m $6.0m 0.01% Reduced -179.2k -179,174
87 Corebridge Financial, Inc. 0.03% of their portfolio HOUSTON, TX 39,53639.5k $5.9m $5.9m 0.03% Reduced -1.1k -1,131
88 CANADA LIFE ASSURANCE Co 0.01% of their portfolio WINNIPEG, A2 38,30838.3k $5.8m $5.8m 0.01% Added +1.8k +1,837
89 TWO SIGMA ADVISERS, LP 0.01% of their portfolio NEW YORK, NY 35,30035.3k $5.3m $5.3m 0.01% Added +13.4k +13,400
90 DEUTSCHE BANK AG\ 0.00% of their portfolio FRANKFURT AM MAIN, 2M 33,69633.7k $5.1m $5.1m 0.00% Added +3.0k +3,007
91 Susquehanna Portfolio Strategies, LLC 0.33% of their portfolio Bala Cynwyd, PA 32,60632.6k $4.9m $4.9m 0.33% Reduced -430 -430
92 DNB Asset Management AS 0.02% of their portfolio Oslo, Q8 30,91430.9k $4.6m $4.6m 0.02% Added +1.9k +1,885
93 Quantbot Technologies LP 0.18% of their portfolio NEW YORK, NY 30,74230.7k $4.6m $4.6m 0.18% Added +14.3k +14,294
94 LMCG INVESTMENTS, LLC 0.27% of their portfolio BOSTON, MA 29,55929.6k $4.4m $4.4m 0.27% Added +238 +238
95 Mitsubishi UFJ Asset Management Co., Ltd. 0.00% of their portfolio TOKYO, M0 29,24529.2k $4.4m $4.4m 0.00% Added +321 +321
96 Magnetar Financial LLC 0.09% of their portfolio EVANSTON, IL 28,87228.9k $4.3m $4.3m 0.09% New
97 Ensign Peak Advisors, Inc 0.01% of their portfolio SALT LAKE CITY, UT 27,82727.8k $4.2m $4.2m 0.01% Reduced -8.4k -8,400
98 State of Alaska, Department of Revenue 0.04% of their portfolio JUNEAU, AK 27,81327.8k $4.2m $4.2m 0.04% Added +415 +415
99 STRS OHIO 0.02% of their portfolio COLUMBUS, OH 27,36327.4k $4.1m $4.1m 0.02% Added +328 +328
100 Cresset Asset Management, LLC 0.02% of their portfolio Chicago, IL 27,31127.3k $4.1m $4.1m 0.02% Added +2.2k +2,157