Westlake Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:WLK Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
09 May 24	SellUS$554,750	Robert Buesinger	Individual	3,500	US$158.50
03 May 24	SellUS$753,341	Mark Bender	Individual	4,950	US$152.19
15 Mar 24	SellUS$560,371	Robert Buesinger	Individual	3,878	US$144.50
13 Mar 24	SellUS$17,629	Robert Buesinger	Individual	122	US$144.50
06 Mar 24	SellUS$677,455	Mark Bender	Individual	4,804	US$141.02
26 Feb 24	SellUS$667,765	Mark Bender	Individual	4,854	US$137.57
15 Nov 23	SellUS$550,058	Robert Buesinger	Individual	4,215	US$130.50
23 Aug 23	SellUS$131,000	Tsung-Hung Chao	Individual	1,000	US$131.00

Insider Trading Volume

Insider Buying: WLK insiders have only sold shares in the past 3 months.

Ownership Breakdown

What is the ownership structure of WLK?
Owner Type	Number of Shares	Ownership Percentage
State or Government	14,450	0.0111%
Individual Insiders	1,631,442	1.25%
Institutions	35,080,129	27%
Private Companies	93,407,341	71.8%

Dilution of Shares: Shareholders have not been meaningfully diluted in the past year.

Top Shareholders

Top 25 shareholders own 94.84% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
72.7%	TTWF LP	93,405,554	US$13.6b	0%	no data
3.39%	FMR LLC	4,354,400	US$635.7m	1.24%	0.04%
2.71%	BlackRock, Inc.	3,479,820	US$508.1m	-1.84%	0.01%
2.61%	The Vanguard Group, Inc.	3,361,946	US$490.8m	-0.75%	0.01%
2.5%	Victory Capital Management Inc.	3,209,201	US$468.5m	-1.72%	0.45%
2.11%	Orbis Investment Management Limited	2,714,438	US$396.3m	-3.99%	1.22%
1.06%	Pacer Advisors, Inc.	1,362,779	US$199.0m	19.3%	0.51%
1.04%	Capital Research and Management Company	1,334,579	US$194.8m	1.73%	0.01%
0.92%	State Street Global Advisors, Inc.	1,187,069	US$173.3m	-0.84%	0.01%
0.86%	Albert Chao	1,104,662	US$161.3m	112%	no data
0.75%	Dimensional Fund Advisors LP	969,423	US$141.5m	-5.52%	0.03%
0.51%	Goldman Sachs Asset Management, L.P.	651,855	US$95.2m	-4.25%	0.03%
0.44%	Mirae Asset Global Investments Co., Ltd.	566,554	US$82.7m	-15.7%	0.08%
0.44%	Citadel Advisors LLC	562,170	US$82.1m	-3.15%	0.09%
0.43%	Teachers Insurance and Annuity Association-College Retirement Equities Fund	547,328	US$79.9m	15.6%	0.02%
0.39%	Geode Capital Management, LLC	507,357	US$74.1m	4.49%	0.01%
0.38%	First Trust Advisors LP	490,813	US$71.7m	19.2%	0.07%
0.28%	Norges Bank Investment Management	364,111	US$53.2m	0%	no data
0.26%	BNY Asset Management	338,082	US$49.4m	-2.52%	0.01%
0.19%	Northern Trust Global Investments	246,474	US$36.0m	-18.5%	0.01%
0.19%	Legal & General Investment Management Limited	246,045	US$35.9m	-2.03%	0.01%
0.19%	Invesco Capital Management LLC	238,943	US$34.9m	-19.1%	0.02%
0.19%	UBS Asset Management AG	238,091	US$34.8m	-7.81%	no data
0.18%	Charles Schwab Investment Management, Inc.	232,891	US$34.0m	-34%	0.01%
0.17%	ProShare Advisors LLC	220,291	US$32.2m	-15%	0.09%