On this page, we present all of the funds holding WLK from our database of 13F filers, detailed in the table below. The first column indicates the name of each of the funds holding WLK, with a link to that fund's top holdings. The next columns indicate the amount of WLK stock held by each of the funds holding WLK, followed by the WLK position size held by the fund, and lastly the date of the quarterly filing period the data represents. In total, we count 326 funds holding WLK within the last two filing periods in our coverage universe of 13F filers, with the largest position size having been reported by FMR LLC. For more details on the positions held by FMR LLC (or by any of the other funds holding WLK), click the fund name in the "Holder" column of the funds-holding-WLK table below.

Holder	Amount	Position Size ($ in 1000's)	As of
FMR LLC	3,568,885	$310,065	09/30/2022
WLK	3,568,885	$310,065	09/30/2022
Vanguard Group Inc.	3,342,875	$290,429	09/30/2022
WLK	3,342,875	$290,429	09/30/2022
Victory Capital Management Inc.	3,018,650	$262,260	09/30/2022
WLK	3,018,650	$262,260	09/30/2022
BlackRock Inc.	2,221,783	$193,029	09/30/2022
WLK	2,221,783	$193,029	09/30/2022
Dimensional Fund Advisors LP	2,138,368	$185,776	09/30/2022
WLK	2,138,368	$185,776	09/30/2022
Soroban Capital Partners LP	2,021,674	$175,643	09/30/2022
WLK	2,021,674	$175,643	09/30/2022
Bank of America Corp DE	967,207	$84,030	09/30/2022
WLK	967,207	$84,030	09/30/2022
First Trust Advisors LP	821,828	$71,400	09/30/2022
WLK	821,828	$71,400	09/30/2022
Goldman Sachs Group Inc.	801,683	$69,651	09/30/2022
WLK	801,683	$69,651	09/30/2022
State Street Corp	745,738	$64,790	09/30/2022
WLK	745,738	$64,790	09/30/2022
Pacer Advisors Inc.	670,282	$58,234	09/30/2022
WLK	670,282	$58,234	09/30/2022
Arrowstreet Capital Limited Partnership	654,871	$56,895	09/30/2022
WLK	654,871	$56,895	09/30/2022
AQR Capital Management LLC	661,263	$56,604	09/30/2022
WLK	661,263	$56,604	09/30/2022
Nuveen Asset Management LLC	623,237	$54,147	09/30/2022
WLK	623,237	$54,147	09/30/2022
Morgan Stanley	596,187	$51,795	09/30/2022
WLK	596,187	$51,795	09/30/2022
Federated Hermes Inc.	554,019	$48,133	09/30/2022
WLK	554,019	$48,133	09/30/2022
Mirae Asset Global Investments Co. Ltd.	536,716	$46,630	09/30/2022
WLK	536,716	$46,630	09/30/2022
Geode Capital Management LLC	436,377	$37,878	09/30/2022
WLK	436,377	$37,878	09/30/2022
Allspring Global Investments Holdings LLC	365,948	$37,524	12/31/2022
WLK	365,948	$37,524	12/31/2022
Acadian Asset Management LLC	421,516	$36,613	09/30/2022
WLK	421,516	$36,613	09/30/2022
Charles Schwab Investment Management Inc.	334,621	$29,072	09/30/2022
WLK	334,621	$29,072	09/30/2022
Janus Henderson Group PLC	299,623	$26,031	09/30/2022
WLK	299,623	$26,031	09/30/2022
Bank of New York Mellon Corp	265,321	$23,051	09/30/2022
WLK	265,321	$23,051	09/30/2022
Marshall Wace LLP	253,380	$22,014	09/30/2022
WLK	253,380	$22,014	09/30/2022
Barclays PLC	244,766	$21,266	09/30/2022
WLK	244,766	$21,266	09/30/2022
Verition Fund Management LLC	237,787	$20,659	09/30/2022
WLK	237,787	$20,659	09/30/2022
Robotti Robert	229,966	$19,979	09/30/2022
WLK	229,966	$19,979	09/30/2022
Northern Trust Corp	209,074	$18,164	09/30/2022
WLK	209,074	$18,164	09/30/2022
Legal & General Group Plc	205,216	$17,829	09/30/2022
WLK	205,216	$17,829	09/30/2022
Wells Fargo & Company MN	180,038	$15,642	09/30/2022
WLK	180,038	$15,642	09/30/2022
Scout Investments Inc.	144,866	$14,855	12/31/2022
WLK	144,866	$14,855	12/31/2022
Swiss National Bank	166,500	$14,466	09/30/2022
WLK	166,500	$14,466	09/30/2022
Amundi	153,775	$13,979	09/30/2022
WLK	153,775	$13,979	09/30/2022
Jacobs Levy Equity Management Inc.	146,956	$12,768	09/30/2022
WLK	146,956	$12,768	09/30/2022
Man Group plc	140,068	$12,169	09/30/2022
WLK	140,068	$12,169	09/30/2022
Guggenheim Capital LLC	138,134	$12,001	09/30/2022
WLK	138,134	$12,001	09/30/2022
Panagora Asset Management Inc.	137,237	$11,923	09/30/2022
WLK	137,237	$11,923	09/30/2022
Credit Suisse AG	135,685	$11,788	09/30/2022
WLK	135,685	$11,788	09/30/2022
Fort Pitt Capital Group LLC	130,983	$11,380	09/30/2022
WLK	130,983	$11,380	09/30/2022
Sumitomo Mitsui Trust Holdings Inc.	109,891	$11,268	12/31/2022
WLK	109,891	$11,268	12/31/2022
Millennium Management LLC	129,586	$11,258	09/30/2022
WLK	129,586	$11,258	09/30/2022
Glenmede Trust Co. NA	127,043	$11,037	09/30/2022
WLK	127,043	$11,037	09/30/2022
Grantham Mayo Van Otterloo & Co. LLC	124,700	$10,834	09/30/2022
WLK	124,700	$10,834	09/30/2022
Schonfeld Strategic Advisors LLC	123,816	$10,757	09/30/2022
WLK	123,816	$10,757	09/30/2022
Citadel Advisors LLC		$10,450	09/30/2022
Call	119,800	$10,408	09/30/2022
WLK	30,585	$2,657	09/30/2022
Put	30,100	$2,615	09/30/2022
BNP Paribas Arbitrage SA	119,359	$10,370	09/30/2022
WLK	119,359	$10,370	09/30/2022
JPMorgan Chase & Co.	119,308	$10,367	09/30/2022
WLK	119,308	$10,367	09/30/2022
Susquehanna Fundamental Investments LLC	116,127	$10,089	09/30/2022
WLK	116,127	$10,089	09/30/2022
Prudential Financial Inc.	100,733	$9,869	09/30/2022
WLK	100,733	$9,869	09/30/2022
Sprott Inc.	105,000	$9,122	09/30/2022
WLK	105,000	$9,122	09/30/2022
Cubist Systematic Strategies LLC		$9,096	09/30/2022
WLK	82,197	$7,141	09/30/2022
Call	31,400	$2,728	09/30/2022
Put	8,900	$773	09/30/2022
Invesco Ltd.	102,193	$8,880	09/30/2022
WLK	102,193	$8,880	09/30/2022
Ameriprise Financial Inc.	91,874	$7,988	09/30/2022
WLK	91,874	$7,988	09/30/2022
ExodusPoint Capital Management LP	90,329	$7,848	09/30/2022
WLK	90,329	$7,848	09/30/2022
Balyasny Asset Management LLC	87,533	$7,605	09/30/2022
WLK	87,533	$7,605	09/30/2022
Wedge Capital Management L L P NC	66,045	$6,772	12/31/2022
WLK	66,045	$6,772	12/31/2022
Contravisory Investment Management Inc.	65,760	$6,743	12/31/2022
WLK	65,760	$6,743	12/31/2022
Renaissance Technologies LLC	77,500	$6,733	09/30/2022
WLK	77,500	$6,733	09/30/2022
Squarepoint Ops LLC	76,946	$6,685	09/30/2022
WLK	76,946	$6,685	09/30/2022
Qube Research & Technologies Ltd	75,826	$6,588	09/30/2022
WLK	75,826	$6,588	09/30/2022
Thrivent Financial for Lutherans	75,242	$6,537	09/30/2022
WLK	75,242	$6,537	09/30/2022
Russell Investments Group Ltd.	73,318	$6,355	09/30/2022
WLK	73,318	$6,355	09/30/2022
Winmill & CO. Inc.	70,000	$6,082	09/30/2022
WLK	70,000	$6,082	09/30/2022
Hsbc Holdings PLC	69,433	$6,018	09/30/2022
WLK	69,433	$6,018	09/30/2022
D. E. Shaw & Co. Inc.		$5,854	09/30/2022
Call	53,500	$4,648	09/30/2022
WLK	52,582	$4,568	09/30/2022
Put	38,700	$3,362	09/30/2022
Vident Investment Advisory LLC	67,408	$5,850	09/30/2022
WLK	67,408	$5,850	09/30/2022
Distillate Capital Partners LLC	67,249	$5,768	09/30/2022
WLK	67,249	$5,768	09/30/2022
California State Teachers Retirement System	62,966	$5,470	09/30/2022
WLK	62,966	$5,470	09/30/2022
UBS Asset Management Americas Inc.	61,089	$5,307	09/30/2022
WLK	61,089	$5,307	09/30/2022
Strs Ohio	50,904	$5,219	12/31/2022
WLK	50,904	$5,219	12/31/2022
Jane Street Group LLC		$5,216	09/30/2022
WLK	66,140	$5,746	09/30/2022
Put	11,400	$990	09/30/2022
Call	5,300	$460	09/30/2022
Worldquant Millennium Advisors LLC	59,962	$5,209	09/30/2022
WLK	59,962	$5,209	09/30/2022
Canada Pension Plan Investment Board	59,369	$5,158	09/30/2022
WLK	59,369	$5,158	09/30/2022
Citigroup Inc.	59,037	$5,130	09/30/2022
WLK	59,037	$5,130	09/30/2022
Ensign Peak Advisors Inc	50,875	$4,419	09/30/2022
WLK	50,875	$4,419	09/30/2022
Empowered Funds LLC	41,075	$4,212	12/31/2022
WLK	41,075	$4,212	12/31/2022
Envestnet Asset Management Inc.	48,087	$4,178	09/30/2022
WLK	48,087	$4,178	09/30/2022
Wellington Management Group LLP	47,993	$4,170	09/30/2022
WLK	47,993	$4,170	09/30/2022
Alliancebernstein L.P.	47,145	$4,096	09/30/2022
WLK	47,145	$4,096	09/30/2022
Sei Investments Co.	46,759	$4,063	09/30/2022
WLK	46,759	$4,063	09/30/2022
Smith Graham & Co. Investment Advisors LP	36,919	$3,786	12/31/2022
WLK	36,919	$3,786	12/31/2022
Deutsche Bank AG	43,469	$3,777	09/30/2022
WLK	43,469	$3,777	09/30/2022
New York State Common Retirement Fund	36,303	$3,723	12/31/2022
WLK	36,303	$3,723	12/31/2022
Ambassador Advisors LLC	41,743	$3,627	09/30/2022
WLK	41,743	$3,627	09/30/2022
Rhumbline Advisers	38,308	$3,328	09/30/2022
WLK	38,308	$3,328	09/30/2022
Covalis Capital LLP	38,095	$3,310	09/30/2022
WLK	38,095	$3,310	09/30/2022
Skandinaviska Enskilda Banken AB publ	37,847	$3,288	09/30/2022
WLK	37,847	$3,288	09/30/2022
State of Tennessee Treasury Department	37,266	$3,238	09/30/2022
WLK	37,266	$3,238	09/30/2022
State Board of Administration of Florida Retirement System	35,793	$3,110	09/30/2022
WLK	35,793	$3,110	09/30/2022
Clark Estates Inc. NY	34,600	$3,006	09/30/2022
WLK	34,600	$3,006	09/30/2022
State of Alaska Department of Revenue	28,734	$2,946	12/31/2022
WLK	28,734	$2,946	12/31/2022
Healthcare of Ontario Pension Plan Trust Fund	31,797	$2,763	09/30/2022
WLK	31,797	$2,763	09/30/2022
Hussman Strategic Advisors Inc.	31,000	$2,693	09/30/2022
WLK	31,000	$2,693	09/30/2022
Franklin Resources Inc.	29,350	$2,549	09/30/2022
WLK	29,350	$2,549	09/30/2022
Thompson Siegel & Walmsley LLC	27,857	$2,420	09/30/2022
WLK	27,857	$2,420	09/30/2022
Royal Bank of Canada	27,643	$2,401	09/30/2022
WLK	27,643	$2,401	09/30/2022
Price T Rowe Associates Inc. MD	27,309	$2,373	09/30/2022
WLK	27,309	$2,373	09/30/2022
State of New Jersey Common Pension Fund D	22,995	$2,358	12/31/2022
WLK	22,995	$2,358	12/31/2022
LPL Financial LLC	26,179	$2,274	09/30/2022
WLK	26,179	$2,274	09/30/2022
Royal London Asset Management Ltd.	25,723	$2,236	09/30/2022
WLK	25,723	$2,236	09/30/2022
Advisors Asset Management Inc.	25,656	$2,229	09/30/2022
WLK	25,656	$2,229	09/30/2022
Teacher Retirement System of Texas	25,374	$2,204	09/30/2022
WLK	25,374	$2,204	09/30/2022
Mercer Global Advisors Inc. ADV	25,117	$2,182	09/30/2022
WLK	25,117	$2,182	09/30/2022
Yaupon Capital Management LP	24,639	$2,141	09/30/2022
WLK	24,639	$2,141	09/30/2022
Comerica Bank	18,671	$2,096	12/31/2022
WLK	18,671	$2,096	12/31/2022
Twin Capital Management Inc.	19,108	$1,959	12/31/2022
WLK	19,108	$1,959	12/31/2022
Wilen Investment Management CORP.	22,183	$1,908	09/30/2022
WLK	22,183	$1,908	09/30/2022
Yousif Capital Management LLC	18,467	$1,894	12/31/2022
WLK	18,467	$1,894	12/31/2022
Truist Financial Corp	21,661	$1,881	09/30/2022
WLK	21,661	$1,881	09/30/2022
Pinebridge Investments L.P.	21,648	$1,881	09/30/2022
WLK	21,648	$1,881	09/30/2022
State of Wisconsin Investment Board	21,582	$1,875	09/30/2022
WLK	21,582	$1,875	09/30/2022
ProShare Advisors LLC	17,691	$1,814	12/31/2022
WLK	17,691	$1,814	12/31/2022
Mitsubishi UFJ Trust & Banking Corp	20,533	$1,784	09/30/2022
WLK	20,533	$1,784	09/30/2022
Navellier & Associates Inc	16,817	$1,724	12/31/2022
WLK	16,817	$1,724	12/31/2022
Oregon Public Employees Retirement Fund	16,471	$1,689	12/31/2022
WLK	16,471	$1,689	12/31/2022
Alaska Permanent Fund Corp	19,300	$1,677	09/30/2022
WLK	19,300	$1,677	09/30/2022
Quantinno Capital Management LP	19,122	$1,661	09/30/2022
WLK	19,122	$1,661	09/30/2022
Public Employees Retirement System of Ohio	18,579	$1,614	09/30/2022
WLK	18,579	$1,614	09/30/2022
AGF Investments Inc.	18,435	$1,602	09/30/2022
WLK	18,435	$1,602	09/30/2022
Aquatic Capital Management LLC	17,700	$1,538	09/30/2022
WLK	17,700	$1,538	09/30/2022
Sagefield Capital LP	17,134	$1,489	09/30/2022
WLK	17,134	$1,489	09/30/2022
CWM Advisors LLC	14,493	$1,486	12/31/2022
WLK	14,493	$1,486	12/31/2022
Diametric Capital LP	17,029	$1,479	09/30/2022
WLK	17,029	$1,479	09/30/2022
Livforsakringsbolaget Skandia Omsesidigt	16,950	$1,473	09/30/2022
WLK	16,950	$1,473	09/30/2022
Allianz Asset Management GmbH	16,598	$1,442	09/30/2022
WLK	16,598	$1,442	09/30/2022
ClariVest Asset Management LLC	16,062	$1,396	09/30/2022
WLK	16,062	$1,396	09/30/2022
American Century Companies Inc.	16,038	$1,393	09/30/2022
WLK	16,038	$1,393	09/30/2022
Asset Management One Co. Ltd.	15,818	$1,374	09/30/2022
WLK	15,818	$1,374	09/30/2022
PDT Partners LLC	15,236	$1,324	09/30/2022
WLK	15,236	$1,324	09/30/2022
Korea Investment CORP	15,050	$1,308	09/30/2022
WLK	15,050	$1,308	09/30/2022
New York State Teachers Retirement System	12,701	$1,302	12/31/2022
WLK	12,701	$1,302	12/31/2022
Gotham Asset Management LLC	14,947	$1,299	09/30/2022
WLK	14,947	$1,299	09/30/2022
Treasurer of the State of North Carolina	14,140	$1,228	09/30/2022
WLK	14,140	$1,228	09/30/2022
Lazard Asset Management LLC	14,111	$1,225	09/30/2022
WLK	14,111	$1,225	09/30/2022
DNB Asset Management AS	11,811	$1,211	12/31/2022
WLK	11,811	$1,211	12/31/2022
Larson Financial Group LLC	11,803	$1,210	12/31/2022
WLK	11,803	$1,210	12/31/2022
Paradigm Capital Management Inc. NY	11,600	$1,189	12/31/2022
WLK	11,600	$1,189	12/31/2022
Cambria Investment Management L.P.	13,504	$1,173	09/30/2022
WLK	13,504	$1,173	09/30/2022
Pictet Asset Management SA	12,716	$1,105	09/30/2022
WLK	12,716	$1,105	09/30/2022
KBC Group NV	12,418	$1,079	09/30/2022
WLK	12,418	$1,079	09/30/2022
Zurcher Kantonalbank Zurich Cantonalbank	10,462	$1,073	12/31/2022
WLK	10,462	$1,073	12/31/2022
Neuberger Berman Group LLC	12,347	$1,072	09/30/2022
WLK	12,347	$1,072	09/30/2022
Natixis	11,800	$1,025	09/30/2022
WLK	11,800	$1,025	09/30/2022
BOKF NA	11,766	$1,022	09/30/2022
WLK	11,766	$1,022	09/30/2022
State of Michigan Retirement System	9,900	$1,015	12/31/2022
WLK	9,900	$1,015	12/31/2022
Illinois Municipal Retirement Fund	9,846	$1,010	12/31/2022
WLK	9,846	$1,010	12/31/2022
L2 Asset Management LLC	11,366	$988	09/30/2022
WLK	11,366	$988	09/30/2022
V Wealth Advisors LLC	9,566	$981	12/31/2022
WLK	9,566	$981	12/31/2022
Mitsubishi UFJ Kokusai Asset Management Co. Ltd.	11,162	$970	09/30/2022
WLK	11,162	$970	09/30/2022
Louisiana State Employees Retirement System	9,200	$943	12/31/2022
WLK	9,200	$943	12/31/2022
Valeo Financial Advisors LLC	10,768	$936	09/30/2022
WLK	10,768	$936	09/30/2022
Arizona State Retirement System	10,571	$918	09/30/2022
WLK	10,571	$918	09/30/2022
Martingale Asset Management L P	10,510	$914	09/30/2022
WLK	10,510	$914	09/30/2022
Advisor Group Holdings Inc.	9,840	$855	09/30/2022
WLK	9,840	$855	09/30/2022
M&G Investment Management Ltd.	8,282	$853	12/31/2022
WLK	8,282	$853	12/31/2022
Centaurus Financial Inc.	9,731	$845	09/30/2022
WLK	9,731	$845	09/30/2022
Great West Life Assurance Co. Can	9,648	$838	09/30/2022
WLK	9,648	$838	09/30/2022
Recurrent Investment Advisors LLC	9,631	$837	09/30/2022
WLK	9,631	$837	09/30/2022
Graham Capital Management L.P.	9,503	$825	09/30/2022
WLK	9,503	$825	09/30/2022
Empirical Finance LLC	7,950	$815	12/31/2022
WLK	7,950	$815	12/31/2022
Nisa Investment Advisors LLC	7,861	$806	12/31/2022
WLK	7,861	$806	12/31/2022
Prelude Capital Management LLC	9,159	$796	09/30/2022
WLK	9,159	$796	09/30/2022
Bowling Portfolio Management LLC	9,030	$785	09/30/2022
WLK	9,030	$785	09/30/2022
Cetera Advisor Networks LLC	8,700	$756	09/30/2022
WLK	8,700	$756	09/30/2022
Nomura Asset Management Co. Ltd.	8,403	$730	09/30/2022
WLK	8,403	$730	09/30/2022
Toronto Dominion Bank	8,296	$721	09/30/2022
WLK	8,296	$721	09/30/2022
APG Asset Management N.V.	8,000	$709	09/30/2022
WLK	8,000	$709	09/30/2022
Pettee Investors Inc.	6,711	$688	12/31/2022
WLK	6,711	$688	12/31/2022
	6,486	$665	12/31/2022
WLK	6,486	$665	12/31/2022
CFO4Life Group LLC	6,486	$665	12/31/2022
WLK	6,486	$665	12/31/2022
JustInvest LLC	7,571	$658	09/30/2022
WLK	7,571	$658	09/30/2022
IFM Investors Pty Ltd	6,698	$582	09/30/2022
WLK	6,698	$582	09/30/2022
New Mexico Educational Retirement Board	5,400	$554	12/31/2022
WLK	5,400	$554	12/31/2022
Denali Advisors LLC	6,300	$547	09/30/2022
WLK	6,300	$547	09/30/2022
Handelsbanken Fonder AB	6,200	$539	09/30/2022
WLK	6,200	$539	09/30/2022
CIBC Asset Management Inc	6,093	$529	09/30/2022
WLK	6,093	$529	09/30/2022
Utah Retirement Systems	5,988	$521	09/30/2022
WLK	5,988	$521	09/30/2022
Vestcor Inc	5,987	$520	09/30/2022
WLK	5,987	$520	09/30/2022
Unison Advisors LLC	4,958	$508	12/31/2022
WLK	4,958	$508	12/31/2022
Achmea Investment Management B.V.	5,840	$507	09/30/2022
WLK	5,840	$507	09/30/2022
Bank of Montreal Can	4,910	$505	12/31/2022
WLK	4,910	$505	12/31/2022
Occudo Quantitative Strategies LP	5,582	$485	09/30/2022
WLK	5,582	$485	09/30/2022
Robeco Institutional Asset Management B.V.	5,576	$484	09/30/2022
WLK	5,576	$484	09/30/2022
Susquehanna International Group LLP		$484	09/30/2022
Put	41,700	$3,623	09/30/2022
WLK	26,572	$2,309	09/30/2022
Call	20,700	$1,798	09/30/2022
Public Employees Retirement Association of Colorado	5,364	$466	09/30/2022
WLK	5,364	$466	09/30/2022
Xponance Inc.	4,527	$464	12/31/2022
WLK	4,527	$464	12/31/2022
Voya Investment Management LLC	5,099	$443	09/30/2022
WLK	5,099	$443	09/30/2022
Seeyond	5,043	$438	09/30/2022
WLK	5,043	$438	09/30/2022
Dark Forest Capital Management LP	5,050	$438	09/30/2022
WLK	5,050	$438	09/30/2022
Westpac Banking Corp	4,824	$419	09/30/2022
WLK	4,824	$419	09/30/2022
Regentatlantic Capital LLC	4,696	$408	09/30/2022
WLK	4,696	$408	09/30/2022
Nissay Asset Management Corp Japan ADV	4,682	$407	09/30/2022
WLK	4,682	$407	09/30/2022
Aviva PLC	4,601	$400	09/30/2022
WLK	4,601	$400	09/30/2022
SG Americas Securities LLC	3,887	$399	12/31/2022
WLK	3,887	$399	12/31/2022
Captrust Financial Advisors	4,547	$395	09/30/2022
WLK	4,547	$395	09/30/2022
Mount Lucas Management LP	4,514	$392	09/30/2022
WLK	4,514	$392	09/30/2022
Engineers Gate Manager LP	4,500	$391	09/30/2022
WLK	4,500	$391	09/30/2022
Kennedy Capital Management Inc.	4,311	$375	09/30/2022
WLK	4,311	$375	09/30/2022
XTX Topco Ltd	4,187	$364	09/30/2022
WLK	4,187	$364	09/30/2022
CI Investments Inc.	4,064	$353	09/30/2022
WLK	4,064	$353	09/30/2022
BTC Capital Management Inc.	3,385	$347	12/31/2022
WLK	3,385	$347	12/31/2022
Raymond James & Associates	3,985	$346	09/30/2022
WLK	3,985	$346	09/30/2022
DekaBank Deutsche Girozentrale	3,293	$339	12/31/2022
WLK	3,293	$339	12/31/2022
Amalgamated Bank	3,888	$338	09/30/2022
WLK	3,888	$338	09/30/2022
Ameritas Investment Partners Inc.	3,900	$338	09/30/2022
WLK	3,900	$338	09/30/2022
Roosevelt Investment Group Inc.	3,866	$336	09/30/2022
WLK	3,866	$336	09/30/2022
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp	3,769	$327	09/30/2022
WLK	3,769	$327	09/30/2022
Bayesian Capital Management LP	3,747	$326	09/30/2022
WLK	3,747	$326	09/30/2022
Securian Asset Management Inc	3,158	$324	12/31/2022
WLK	3,158	$324	12/31/2022
Principal Financial Group Inc.	3,653	$317	09/30/2022
WLK	3,653	$317	09/30/2022
Atria Wealth Solutions Inc.	3,654	$317	09/30/2022
WLK	3,654	$317	09/30/2022
Toroso Investments LLC	3,617	$314	09/30/2022
WLK	3,617	$314	09/30/2022
Yorktown Management & Research Co Inc	3,050	$313	12/31/2022
WLK	3,050	$313	12/31/2022
SevenOneSeven Capital Management	3,567	$310	09/30/2022
WLK	3,567	$310	09/30/2022
Hennion & Walsh Asset Management Inc.	3,008	$308	12/31/2022
WLK	3,008	$308	12/31/2022
NinePointTwo Capital	3,458	$300	09/30/2022
WLK	3,458	$300	09/30/2022
Crossmark Global Holdings Inc.	2,922	$299	12/31/2022
WLK	2,922	$299	12/31/2022
Ontario Teachers Pension Plan Board	3,445	$299	09/30/2022
WLK	3,445	$299	09/30/2022
National Bank of Canada FI	2,867	$294	12/31/2022
WLK	2,867	$294	12/31/2022
Alps Advisors Inc.	3,372	$293	09/30/2022
WLK	3,372	$293	09/30/2022
Maryland State Retirement & Pension System	2,848	$292	12/31/2022
WLK	2,848	$292	12/31/2022
Aigen Investment Management LP	3,347	$291	09/30/2022
WLK	3,347	$291	09/30/2022
Boothbay Fund Management LLC	3,342	$290	09/30/2022
WLK	3,342	$290	09/30/2022
Walleye Trading LLC		$287	09/30/2022
Call	7,000	$608	09/30/2022
Put	3,700	$321	09/30/2022
Standard Life Aberdeen plc	3,048	$264	09/30/2022
WLK	3,048	$264	09/30/2022
CSS LLC IL	3,000	$261	09/30/2022
WLK	3,000	$261	09/30/2022
Advisory Services Network LLC	2,881	$250	09/30/2022
WLK	2,881	$250	09/30/2022
UBS Group AG	2,870	$250	09/30/2022
WLK	2,870	$250	09/30/2022
TD Asset Management Inc.	2,920	$249	09/30/2022
WLK	2,920	$249	09/30/2022
Oppenheimer & Co. Inc.	2,857	$248	09/30/2022
WLK	2,857	$248	09/30/2022
Synovus Financial Corp	2,775	$241	09/30/2022
WLK	2,775	$241	09/30/2022
Sumitomo Mitsui DS Asset Management Company Ltd	2,293	$235	12/31/2022
WLK	2,293	$235	12/31/2022
GSA Capital Partners LLP	2,707	$235	09/30/2022
WLK	2,707	$235	09/30/2022
Investors Research Corp	2,550	$222	09/30/2022
WLK	2,550	$222	09/30/2022
The Manufacturers Life Insurance Company	2,526	$219	09/30/2022
WLK	2,526	$219	09/30/2022
Colony Group LLC	2,507	$218	09/30/2022
WLK	2,507	$218	09/30/2022
Nordea Investment Management AB	2,540	$217	09/30/2022
WLK	2,540	$217	09/30/2022
Kistler Tiffany Companies LLC	2,059	$211	12/31/2022
WLK	2,059	$211	12/31/2022
Raymond James Financial Services Advisors Inc.	2,423	$211	09/30/2022
WLK	2,423	$211	09/30/2022
US Bancorp DE	2,395	$208	09/30/2022
WLK	2,395	$208	09/30/2022
Forum Financial Management LP	1,961	$201	12/31/2022
WLK	1,961	$201	12/31/2022
PGGM Investments	2,203	$191	09/30/2022
WLK	2,203	$191	09/30/2022
Daiwa Securities Group Inc.	2,024	$176	09/30/2022
WLK	2,024	$176	09/30/2022
Alpha Paradigm Partners LLC	1,947	$169	09/30/2022
WLK	1,947	$169	09/30/2022
The PNC Financial Services Group Inc.	1,834	$159	09/30/2022
WLK	1,834	$159	09/30/2022
Covestor Ltd	1,566	$136	09/30/2022
WLK	1,566	$136	09/30/2022
Northwestern Mutual Wealth Management Co.	1,458	$126	09/30/2022
WLK	1,458	$126	09/30/2022
Group One Trading L.P.		$111	09/30/2022
WLK	975	$85	09/30/2022
Call	300	$26	09/30/2022
	1,268	$110	09/30/2022
WLK	1,268	$110	09/30/2022
Harel Insurance Investments & Financial Services Ltd.	979	$101	12/31/2022
WLK	979	$101	12/31/2022
Globeflex Capital L P	1,003	$87	09/30/2022
WLK	1,003	$87	09/30/2022
Banque Cantonale Vaudoise	1,000	$87	09/30/2022
WLK	1,000	$87	09/30/2022
AlphaCentric Advisors LLC	714	$62	09/30/2022
WLK	714	$62	09/30/2022
Ossiam	703	$61	09/30/2022
WLK	703	$61	09/30/2022
MetLife Investment Management LLC	678	$59	09/30/2022
WLK	678	$59	09/30/2022
Chiron Investment Management LLC	682	$59	09/30/2022
WLK	682	$59	09/30/2022
Macquarie Group Ltd.	643	$56	09/30/2022
WLK	643	$56	09/30/2022
Wipfli Financial Advisors LLC	570	$50	09/30/2022
WLK	570	$50	09/30/2022
Quadrant Capital Group LLC	567	$49	09/30/2022
WLK	567	$49	09/30/2022
Exchange Traded Concepts LLC	456	$47	12/31/2022
WLK	456	$47	12/31/2022
Rockefeller Capital Management L.P.	516	$44	09/30/2022
WLK	516	$44	09/30/2022
IFP Advisors Inc	356	$42	09/30/2022
WLK	356	$42	09/30/2022
Gulf International Bank UK Ltd	440	$38	09/30/2022
WLK	440	$38	09/30/2022
FourThought Financial LLC	428	$37	09/30/2022
WLK	428	$37	09/30/2022
Parallel Advisors LLC	407	$35	09/30/2022
WLK	407	$35	09/30/2022
Smithfield Trust Co.	379	$33	09/30/2022
WLK	379	$33	09/30/2022
Harvest Fund Management Co. Ltd	378	$33	09/30/2022
WLK	378	$33	09/30/2022
Wahed Invest LLC	383	$33	09/30/2022
WLK	383	$33	09/30/2022
American International Group Inc.	346	$30	09/30/2022
WLK	346	$30	09/30/2022
Arcadia Investment Management Corp MI	350	$30	09/30/2022
WLK	350	$30	09/30/2022
Proequities Inc.		$23	12/31/2022
WLK	225	$23	12/31/2022
Put	0	$0	12/31/2022
Call	0	$0	12/31/2022
Huntington National Bank	260	$23	09/30/2022
WLK	260	$23	09/30/2022
Tower Research Capital LLC TRC	244	$21	09/30/2022
WLK	244	$21	09/30/2022
Accurate Wealth Management LLC	175	$19	12/31/2022
WLK	175	$19	12/31/2022
Private Trust Co. NA	170	$17	12/31/2022
WLK	170	$17	12/31/2022
Altshuler Shaham Ltd	202	$17	09/30/2022
WLK	202	$17	09/30/2022
TCI Wealth Advisors Inc.	194	$17	09/30/2022
WLK	194	$17	09/30/2022
Steward Partners Investment Advisory LLC	195	$17	09/30/2022
WLK	195	$17	09/30/2022
Deseret Mutual Benefit Administrators	199	$17	09/30/2022
WLK	199	$17	09/30/2022
Beacon Capital Management LLC	155	$16	12/31/2022
WLK	155	$16	12/31/2022
CVA Family Office LLC	170	$15	09/30/2022
WLK	170	$15	09/30/2022
Signaturefd LLC	139	$14	12/31/2022
WLK	139	$14	12/31/2022
Fred Alger Management LLC	158	$14	09/30/2022
WLK	158	$14	09/30/2022
CWM LLC	129	$13	12/31/2022
WLK	129	$13	12/31/2022
Jackson Grant Investment Advisers Inc.	109	$11	12/31/2022
WLK	109	$11	12/31/2022
Worth Asset Management LLC	101	$10	12/31/2022
WLK	101	$10	12/31/2022
Crewe Advisors LLC	113	$10	09/30/2022
WLK	113	$10	09/30/2022
Core Alternative Capital	86	$9	12/31/2022
WLK	86	$9	12/31/2022
First Eagle Investment Management LLC	106	$9	09/30/2022
WLK	106	$9	09/30/2022
Carmichael Hill & Associates Inc.	100	$9	09/30/2022
WLK	100	$9	09/30/2022
Massmutual Trust Co. FSB ADV	81	$8	12/31/2022
WLK	81	$8	12/31/2022
Harbour Investments Inc.	69	$7	09/30/2022
WLK	69	$7	09/30/2022
Quent Capital LLC	47	$5	12/31/2022
WLK	47	$5	12/31/2022
Meeder Asset Management Inc.	57	$5	09/30/2022
WLK	57	$5	09/30/2022
Bell Investment Advisors Inc	61	$5	09/30/2022
WLK	61	$5	09/30/2022
Fifth Third Bancorp	41	$4	12/31/2022
WLK	41	$4	12/31/2022
Parkside Financial Bank & Trust	31	$3	09/30/2022
WLK	31	$3	09/30/2022
JFS Wealth Advisors LLC	32	$3	09/30/2022
WLK	32	$3	09/30/2022
Farmers & Merchants Investments Inc.	15	$2	12/31/2022
WLK	15	$2	12/31/2022
AdvisorNet Financial Inc	17	$2	12/31/2022
WLK	17	$2	12/31/2022
Sound Income Strategies LLC	15	$2	12/31/2022
WLK	15	$2	12/31/2022
Lindbrook Capital LLC	23	$2	12/31/2022
WLK	23	$2	12/31/2022
SJS Investment Consulting Inc.	16	$2	12/31/2022
WLK	16	$2	12/31/2022
Schubert & Co	24	$2	12/31/2022
WLK	24	$2	12/31/2022
RFP Financial Group LLC	21	$2	12/31/2022
WLK	21	$2	12/31/2022
Plante Moran Financial Advisors LLC	25	$2	09/30/2022
WLK	25	$2	09/30/2022
Glassman Wealth Services	22	$2	09/30/2022
WLK	22	$2	09/30/2022
Heritage Wealth Management LLC	25	$2	09/30/2022
WLK	25	$2	09/30/2022
American National Bank	12	$1	12/31/2022
WLK	12	$1	12/31/2022
Your Advocates Ltd. LLP	5	$1	12/31/2022
WLK	5	$1	12/31/2022
Disciplined Investments LLC	11	$1	12/31/2022
WLK	11	$1	12/31/2022
McElhenny Sheffield Capital Management LLC	11	$1	12/31/2022
WLK	11	$1	12/31/2022
My Personal CFO LLC	12	$1	12/31/2022
WLK	12	$1	12/31/2022
Loomis Sayles & Co. L P	15	$1	09/30/2022
WLK	15	$1	09/30/2022
Covington Capital Management	7	$1	09/30/2022
WLK	7	$1	09/30/2022
NewSquare Capital LLC	17	$1	09/30/2022
WLK	17	$1	09/30/2022
SRS Capital Advisors Inc.	7	$1	09/30/2022
WLK	7	$1	09/30/2022
Capital Advisors Ltd. LLC	11	$1	09/30/2022
WLK	11	$1	09/30/2022
EverSource Wealth Advisors LLC	10	$1	09/30/2022
WLK	10	$1	09/30/2022
Bellwether Advisors LLC	13	$1	09/30/2022
WLK	13	$1	09/30/2022
TFO TDC LLC	3	$0	12/31/2022
WLK	3	$0	12/31/2022
Ronald Blue Trust Inc.	10	$0	12/31/2022
WLK	10	$0	12/31/2022
Zions Bancorporation N.A.	5	$0	09/30/2022
WLK	5	$0	09/30/2022
Raleigh Capital Management Inc.	0	$0	09/30/2022
WLK	0	$0	09/30/2022
Tudor Investment Corp Et Al		$-149	09/30/2022
Put	4,000	$349	09/30/2022
Call	2,300	$200	09/30/2022
PEAK6 Investments LLC		$-283	09/30/2022
Put	34,000	$2,954	09/30/2022
WLK	28,951	$2,515	09/30/2022
Call	1,800	$156	09/30/2022
Simplex Trading LLC	41	$-2,334	12/31/2022
Put	26,200	$2,686	12/31/2022
Call	3,400	$348	12/31/2022
WLK	41	$4	12/31/2022

See Summary: Institutional Holders of WLK
See Details: Top 10 Hedge Funds Holding WLK
Also See: WLK Insider Buying
Also See: WLK Holdings Changes

WLK — Current Quote

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WLK — Performance