Westlake Chemical Corporation (WLK) Ownership

80.00 ↓0.44 (-0.55%)

As of December 31, 1969, 7:00pm EST.

Institutions
Mutual Funds

Institutional Ownership

Vanguard Group Inc is the biggest individual institutional holder of Westlake Chemical Corporation (WLK), owning a total of 3.9 million shares. Combined, the top 45 institutional holders of WLK own 29.19% of the company with a total of 37.5 million shares.

In the latest ownership report on December 31st 2024, the top 45 institutional holders increased their combined ownership of WLK by 2.4 million shares. 18 institutions bought 3,705,720 total additional shares and increased their ownership by an average of 140.67%. However 3 institutions sold 1,305,884 total shares and decreased their ownership by an average of 16.76%.

Overall this is a positive sign as the number of shares owned by the top 20 institutional holders of Westlake Chemical Corporation increased by a net total of 2,399,836 in the latest quarter.

Institution Ownership Chart

Latest Institutional Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	3.018%	0.552%	3,877,973	21,293	2024-12-31
BlackRock Inc	2.847%	4.575%	3,657,895	160,039	2024-12-31
Victory Capital Management Inc.	2.579%	20.953%	3,313,847	574,068	2024-12-31
FMR Inc	1.120%	-47.304%	1,438,603	-1,291,403	2024-12-31
Capital World Investors	1.002%	0.116%	1,287,501	1,490	2024-12-31
State Street Corp	0.930%	-0.372%	1,194,249	-4,461	2024-12-31
Balyasny Asset Management LLC	0.773%	732.746%	993,150	873,888	2024-12-31
Nuveen Asset Management, LLC	0.765%	6.280%	983,090	58,093	2024-12-31
Goldman Sachs Group Inc	0.731%	40.666%	938,922	271,437	2024-12-31
Dimensional Fund Advisors, Inc.	0.727%	4.889%	934,122	43,544	2024-12-31
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.687%	5.718%	882,474	47,732	2024-12-31
First Trust Advisors L.P.	0.644%	56.751%	827,516	299,597	2024-12-31
Jacobs Levy Equity Management, Inc.	0.622%	34.294%	799,250	204,101	2024-12-31
Citadel Advisors Llc	0.530%	29.747%	680,331	155,978	2024-12-31
Geode Capital Management, LLC	0.434%	0.959%	557,943	5,297	2024-12-31
UBS Group AG	0.434%	1,272.890%	557,560	516,948	2024-12-31
NORGES BANK	0.317%	2.877%	406,712	11,375	2024-12-31
Allspring Global Investments Holdings, LLC	0.293%	-2.593%	376,460	-10,020	2024-12-31
1832 Asset Management L.P	0.293%	100.350%	376,000	188,328	2024-12-31
HHG PLC	0.290%	84.800%	372,196	170,791	2024-12-31
Squarepoint Ops LLC	0.139%	132.823%	178,305	101,721	2024-12-31

Top Institutions

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Vanguard Group Inc	3.018%	0.552%	3,877,973	21,293	2024-12-31
BlackRock Inc	2.847%	4.575%	3,657,895	160,039	2024-12-31
Victory Capital Management Inc.	2.579%	20.953%	3,313,847	574,068	2024-12-31
Orbis Allan Gray Ltd	1.376%	-36.288%	1,770,672	-1,008,528	2024-09-30
FMR Inc	1.120%	-47.304%	1,438,603	-1,291,403	2024-12-31
Capital World Investors	1.002%	0.116%	1,287,501	1,490	2024-12-31
State Street Corp	0.930%	-0.372%	1,194,249	-4,461	2024-12-31
State Street Corporation	0.923%	-0.842%	1,187,069	-10,083	2024-03-31
Pacer Advisors, INC.	0.889%	6.191%	1,142,590	66,614	2023-12-31
Balyasny Asset Management LLC	0.773%	732.746%	993,150	873,888	2024-12-31
Nuveen Asset Management, LLC	0.765%	6.280%	983,090	58,093	2024-12-31
Goldman Sachs Group Inc	0.731%	40.666%	938,922	271,437	2024-12-31
Dimensional Fund Advisors, Inc.	0.727%	4.889%	934,122	43,544	2024-12-31
Soroban Capital Partners LP	0.701%	0.000%	898,837	0	2023-09-30
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	0.687%	5.718%	882,474	47,732	2024-12-31
First Trust Advisors L.P.	0.644%	56.751%	827,516	299,597	2024-12-31
Jacobs Levy Equity Management, Inc.	0.622%	34.294%	799,250	204,101	2024-12-31
Citadel Advisors Llc	0.530%	29.747%	680,331	155,978	2024-12-31
Arrowstreet Capital Limited Partnership	0.514%	136.230%	654,871	377,653	2022-09-30
Mirae Asset Global Investments (Korea) Co Ltd	0.441%	-15.704%	566,554	-105,549	2024-03-31
Geode Capital Management, LLC	0.434%	0.959%	557,943	5,297	2024-12-31
UBS Group AG	0.434%	1,272.890%	557,560	516,948	2024-12-31
Envestnet Asset Management Inc	0.434%	959.195%	554,086	501,774	2023-03-31
Prudential Financial Inc	0.424%	-34.422%	540,549	-283,731	2022-06-30
Bank of America Corp	0.391%	-48.468%	498,417	-468,790	2022-12-31
AQR Capital Management LLC	0.368%	-16.054%	469,482	-89,786	2023-03-31
ProShare Advisors LLC	0.353%	117.566%	454,896	245,812	2024-09-30
Acadian Asset Management LLC	0.331%	-38.582%	421,516	-264,785	2022-09-30
Federated Hermes Inc	0.319%	-14.429%	408,295	-68,849	2023-09-30
NORGES BANK	0.317%	2.877%	406,712	11,375	2024-12-31
Samlyn Capital, LLC	0.306%	24.173%	393,294	76,563	2023-12-31
Allspring Global Investments Holdings, LLC	0.293%	-2.593%	376,460	-10,020	2024-12-31
1832 Asset Management L.P	0.293%	100.350%	376,000	188,328	2024-12-31
HHG PLC	0.290%	84.800%	372,196	170,791	2024-12-31
Ilex Capital Partners (Uk) LLP	0.287%	0.000%	369,564	369,564	2024-09-30
Morgan Stanley - Brokerage Accounts	0.253%	-49.808%	325,462	-322,972	2024-09-30
Bank of New York Mellon Corp	0.249%	-5.249%	320,781	-17,769	2024-09-30
UBS Asset Mgmt Americas Inc	0.247%	35.057%	318,284	82,617	2024-09-30
Amvescap Plc.	0.241%	-27.579%	309,968	-118,039	2024-03-31
Wells Fargo & Co	0.234%	10.085%	297,818	27,284	2022-06-30
Northern Trust Corp	0.211%	-1.018%	271,182	-2,790	2024-09-30
Charles Schwab Investment Management Inc	0.185%	2.236%	238,098	5,207	2024-06-30
Merewether Investment Management, LP	0.174%	17.397%	223,366	33,100	2024-06-30
Legal & General Group PLC	0.171%	-10.566%	220,122	-26,007	2024-06-30
Squarepoint Ops LLC	0.139%	132.823%	178,305	101,721	2024-12-31

Mutual Fund Ownership

Victory Sycamore Established Value R is the biggest individual fund holder of Westlake Chemical Corporation (WLK), owning a total of 2.8 million shares. Combined, the top 49 mutual fund holders of WLK own 22.68% of the company with a total of 29.1 million shares.

In the latest ownership report on March 31st 2025, the top 49 fund holders increased their combined ownership of WLK by 3.6 million shares. 8 funds bought 3,822,260 total additional shares and increased their ownership by an average of 478.87%. However 5 funds sold 227,152 total shares and decreased their ownership by an average of 3.95%.

Overall this is a positive sign as the number of shares owned by the top 20 mutual funds holding Westlake Chemical Corporation increased by a net total of 3,595,108 in the latest report.

Mutual Funds Chart

Latest Mutual Fund Ownership Changes

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Victory Sycamore Established Value R	2.203%	17.330%	2,830,000	418,000	2025-03-31
Sycamore Mid Cap Value Comp	2.203%	3,589.700%	2,830,000	2,753,300	2025-03-31
American Funds Fundamental Invs A	0.987%	-0.273%	1,268,064	-3,475	2025-03-31
iShares Core S&P Mid-Cap ETF	0.850%	0.033%	1,091,490	360	2025-03-31
Vanguard Total Stock Mkt Idx Inv	0.778%	-17.970%	999,731	-219,007	2025-03-31
Global X US Infrastructure Dev ETF	0.625%	-0.053%	803,422	-429	2025-03-31
Vanguard Small Cap Index	0.623%	62.442%	800,669	307,775	2025-03-31
Vanguard Small Cap Value Index Inv	0.404%	59.834%	518,630	194,150	2025-03-31
Vanguard Institutional Extnd Mkt Idx Tr	0.403%	1.732%	517,623	8,813	2025-03-31
SPDR® S&P Dividend ETF	0.278%	-0.304%	357,641	-1,089	2025-03-31
Principal MidCap Value I Inst	0.215%	9.311%	275,835	23,495	2025-03-31
SPDR® S&P MIDCAP 400 ETF Trust	0.208%	-1.166%	267,190	-3,152	2025-03-31
ProShares S&P MidCap 400 Dividend Arst	0.201%	0.000%	257,954	0	2025-03-31
Allspring Select All Cap Equity	0.191%	90.549%	244,880	116,367	2025-03-31
Allspring Opportunity A	0.191%	0.000%	244,880	0	2025-03-31

Top Mutual Funds

Owner	Percent Owned	Percent Change	Shares Owned	Share Change	Date Reported
Victory Sycamore Established Value R	2.203%	17.330%	2,830,000	418,000	2025-03-31
Sycamore Mid Cap Value Comp	2.203%	3,589.700%	2,830,000	2,753,300	2025-03-31
Pacer US Cash Cows 100 ETF	1.133%	0.503%	1,456,562	7,284	2024-05-31
Capital Group Fundamental Invtrs Comp	0.990%	0.000%	1,271,539	0	2024-12-31
American Funds Fundamental Invs A	0.987%	-0.273%	1,268,064	-3,475	2025-03-31
Vanguard US Total Market Shares ETF	0.955%	0.083%	1,227,323	1,017	2024-09-30
iShares Core S&P Mid-Cap ETF	0.850%	0.033%	1,091,490	360	2025-03-31
Vanguard Total Stock Mkt Idx Inv	0.778%	-17.970%	999,731	-219,007	2025-03-31
Vanguard Instl Ttl Stck Mkt Idx Tr	0.770%	1.471%	986,282	14,295	2023-03-31
Global X US Infrastructure Dev ETF	0.625%	-0.053%	803,422	-429	2025-03-31
Vanguard Small Cap Index	0.623%	62.442%	800,669	307,775	2025-03-31
First Trust SMID Cp Rising Div Achv ETF	0.606%	0.214%	777,204	1,660	2025-02-27
Fidelity® Contrafund®	0.514%	0.000%	658,184	0	2023-11-30
First Trust Materials AlphaDEX® ETF	0.505%	-0.208%	645,045	-1,344	2023-05-31
Fidelity® Value	0.419%	-0.297%	536,549	-1,600	2023-11-30
Vanguard Small Cap Value Index Inv	0.404%	59.834%	518,630	194,150	2025-03-31
Vanguard Institutional Extnd Mkt Idx Tr	0.403%	1.732%	517,623	8,813	2025-03-31
Vanguard Extended Market Index Investor	0.373%	0.109%	476,400	520	2023-08-31
Fidelity® Series Stk Selec Lg Cp Val	0.366%	0.000%	468,400	0	2023-11-30
AustralianSuper Balanced Sup	0.329%	13.373%	422,493	49,836	2024-06-30
Vanguard Mid Cap Index Institutional	0.324%	0.102%	416,703	426	2025-02-28
Orbis Global Equity Investor	0.324%	-39.815%	415,977	-275,182	2024-09-30
Fidelity Value	0.286%	-8.673%	367,515	-34,900	2025-02-28
CREF Stock R1	0.280%	-31.925%	359,099	-168,403	2025-02-28
CREF Stock R3	0.280%	-31.925%	359,099	-168,403	2025-02-28
SPDR® S&P Dividend ETF	0.278%	-0.304%	357,641	-1,089	2025-03-31
Fidelity® Mid-Cap Stock	0.272%	0.000%	348,083	0	2023-11-30
Fidelity Mid-Cap Stock	0.266%	0.000%	342,877	0	2024-09-30
DFA US Targeted Value I	0.255%	-35.478%	325,768	-179,129	2022-11-30
Federated Hermes Kaufmann Small Cap Grow	0.248%	0.000%	316,500	0	2023-06-30
Federated Hermes Kaufmann Small Cap A	0.248%	0.000%	316,500	0	2023-06-30
Fidelity Series Stk Selec Lg Cp Val	0.231%	-0.503%	296,800	-1,500	2025-02-28
Orbis Global Eq LE (Aus Reg) Retail	0.230%	-38.087%	295,175	-181,586	2024-09-30
Dynamic Premium Yield Fund I	0.223%	0.000%	286,500	286,500	2024-12-31
Janus Henderson Mid Cap Value L	0.221%	0.000%	283,707	0	2025-02-28
Janus Henderson Mid Cap Value D	0.221%	0.000%	283,707	0	2025-01-31
Principal MidCap Value I Inst	0.215%	9.311%	275,835	23,495	2025-03-31
Fidelity Contrafund	0.209%	-33.677%	268,542	-136,361	2024-10-31
SPDR® S&P MIDCAP 400 ETF Trust	0.208%	-1.166%	267,190	-3,152	2025-03-31
Fidelity Contrafund Commingled Pl O	0.206%	0.464%	264,570	1,221	2024-08-31
DFA US Large Cap Value I	0.206%	-0.171%	264,355	-452	2025-01-31
ProShares S&P MidCap 400 Dividend Arst	0.201%	0.000%	257,954	0	2025-03-31
CREF Global Equities R1	0.199%	47.086%	255,797	81,887	2025-01-31
Allspring Select All Cap Equity	0.191%	90.549%	244,880	116,367	2025-03-31
Allspring Opportunity A	0.191%	0.000%	244,880	0	2025-03-31
iShares S&P Mid-Cap 400 Growth ETF	0.162%	0.000%	208,400	0	2024-11-30
State St Russell Sm/Mid Cp® Indx NL Cl C	0.160%	0.000%	206,345	0	2024-11-30
Nuveen Mid Cap Value R6	0.157%	0.000%	201,865	0	2024-11-30
Nuveen Mid Cap Value TIAA	0.155%	0.000%	199,453	0	2024-09-30