Security key
960413102
- Type / Class
- Equity / COM
- Total 13F shares
- 46,394,569
- Share change
- +4,911,487
- Total reported value
- $3,430,829,837
- Put/Call ratio
- 284%
- Price per share
- $73.94
- Number of holders
- 293
- Value change
- +$354,431,753
- Number of buys
- 145
- Number of sells
- 174
Report period
Q4 2025
Institutions
293
Top holders
10
WLK full security history
Newer quarter: Q1 2026
Previous quarter: Q3 2025
WESTLAKE CORP SEC filings
WESTLAKE CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 960413102
Recent filing periods:
Top shareholders of WLK - WESTLAKE CORP - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Ownership % is shown only when it is directly reported or safely comparable across share classes.
Methodology: rows are grouped by holder and ranked by the holder's primary source value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
| Holder | Source | Role / Reporting | Ownership % | Shares | Holdings Value | 12M Net Δ | As of | Details |
|---|---|---|---|---|---|---|---|---|
| Dorothy C. Jenkins |
3/4/5
|
Director, 10%+ Owner |
—
class O/S missing
|
93,479,332
|
$12,071,920,935 | — | 12 Aug 2022 | |
| Orbis Allan Gray Ltd |
13F
|
Company |
—
class O/S missing
|
3,914,411
|
$301,644,512 | — | 30 Sep 2025 | |
| VANGUARD GROUP INC |
13F
|
Company |
—
class O/S missing
|
3,439,631
|
$265,057,965 | — | 30 Sep 2025 | |
| BlackRock, Inc. |
13F
|
Company |
—
class O/S missing
|
3,185,736
|
$245,492,785 | — | 30 Sep 2025 | |
| VICTORY CAPITAL MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
2,866,360
|
$220,881,701 | — | 30 Sep 2025 | |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
|
Company |
—
class O/S missing
|
2,208,143
|
$170,161,000 | — | 30 Sep 2025 | |
| BRANDES INVESTMENT PARTNERS, LP |
13F
|
Company |
—
class O/S missing
|
1,548,694
|
$119,343,194 | — | 30 Sep 2025 | |
| DIMENSIONAL FUND ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
1,300,240
|
$100,195,151 | — | 30 Sep 2025 | |
| STATE STREET CORP |
13F
|
Company |
—
class O/S missing
|
1,295,242
|
$99,811,349 | — | 30 Sep 2025 | |
| CITADEL ADVISORS LLC |
13F
|
Company |
—
class O/S missing
|
1,200,851
|
$92,537,578 | — | 30 Sep 2025 | |
| GOLDMAN SACHS GROUP INC |
13F
|
Company |
—
class O/S missing
|
1,051,397
|
$81,020,629 | — | 30 Sep 2025 | |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC |
13F
|
Company |
—
class O/S missing
|
917,273
|
$70,685,057 | — | 30 Sep 2025 | |
| JACOBS LEVY EQUITY MANAGEMENT, INC |
13F
|
Company |
—
class O/S missing
|
860,723
|
$66,327,314 | — | 30 Sep 2025 | |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. |
13F
|
Company |
—
class O/S missing
|
855,976
|
$65,961,436 | — | 30 Sep 2025 | |
| Holocene Advisors, LP |
13F
|
Company |
—
class O/S missing
|
854,184
|
$65,823,419 | — | 30 Sep 2025 | |
| MORGAN STANLEY |
13F
|
Company |
—
class O/S missing
|
815,629
|
$62,852,508 | — | 30 Sep 2025 | |
| Nuveen, LLC |
13F
|
Company |
—
class O/S missing
|
686,539
|
$52,904,695 | — | 30 Sep 2025 | |
| GEODE CAPITAL MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
653,086
|
$50,339,001 | — | 30 Sep 2025 | |
| UBS Group AG |
13F
|
Company |
—
class O/S missing
|
560,480
|
$43,190,589 | — | 30 Sep 2025 | |
| ANTIPODES PARTNERS Ltd |
13F
|
Company |
—
class O/S missing
|
555,904
|
$42,841,194 | — | 30 Sep 2025 | |
| Allspring Global Investments Holdings, LLC |
13F
|
Company |
—
class O/S missing
|
546,151
|
$41,922,550 | — | 30 Sep 2025 | |
| BALYASNY ASSET MANAGEMENT L.P. |
13F
|
Company |
—
class O/S missing
|
475,743
|
$36,660,756 | — | 30 Sep 2025 | |
| THOMPSON SIEGEL & WALMSLEY LLC |
13F
|
Company |
—
class O/S missing
|
441,340
|
$34,010,000 | — | 30 Sep 2025 | |
| ProShare Advisors LLC |
13F
|
Company |
—
class O/S missing
|
422,640
|
$32,568,638 | — | 30 Sep 2025 | |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC |
13F
|
Company |
—
class O/S missing
|
394,307
|
$30,385,297 | — | 30 Sep 2025 | |
| ROYAL BANK OF CANADA |
13F
|
Company |
—
class O/S missing
|
381,586
|
$29,404,000 | — | 30 Sep 2025 | |
| CAISSE DE DEPOT ET PLACEMENT DU QUEBEC |
13F
|
Company |
—
class O/S missing
|
368,318
|
$28,382,584 | — | 30 Sep 2025 | |
| JANUS HENDERSON GROUP PLC |
13F
|
Company |
—
class O/S missing
|
365,984
|
$28,202,722 | — | 30 Sep 2025 | |
| FMR LLC |
13F
|
Company |
—
class O/S missing
|
314,350
|
$24,223,840 | — | 30 Sep 2025 | |
| NEW YORK STATE COMMON RETIREMENT FUND |
13F
|
Company |
—
class O/S missing
|
309,626
|
$23,859,780 | — | 30 Sep 2025 | |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP |
13F
|
Company |
—
class O/S missing
|
299,728
|
$23,097,040 | — | 30 Sep 2025 | |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC |
13F
|
Company |
—
class O/S missing
|
272,962
|
$21,034,452 | — | 30 Sep 2025 | |
| Merewether Investment Management, LP |
13F
|
Company |
—
class O/S missing
|
268,400
|
$20,682,904 | — | 30 Sep 2025 | |
| SCHRODER INVESTMENT MANAGEMENT GROUP |
13F
|
Company |
—
class O/S missing
|
261,562
|
$20,145,505 | — | 30 Sep 2025 | |
| Erste Asset Management GmbH |
13F
|
Company |
—
class O/S missing
|
260,000
|
$20,025,200 | — | 30 Sep 2025 | |
| NORTHERN TRUST CORP |
13F
|
Company |
—
class O/S missing
|
238,139
|
$18,350,992 | — | 30 Sep 2025 | |
| BANK OF AMERICA CORP /DE/ |
13F
|
Company |
—
class O/S missing
|
208,897
|
$16,097,602 | — | 30 Sep 2025 | |
| VAN LANSCHOT KEMPEN INVESTMENT MANAGEMENT N.V. |
13F
|
Company |
—
class O/S missing
|
196,043
|
$15,107,074 | — | 30 Sep 2025 | |
| Woodline Partners LP |
13F
|
Company |
—
class O/S missing
|
193,786
|
$14,933,149 | — | 30 Sep 2025 | |
| BNP PARIBAS FINANCIAL MARKETS |
13F
|
Company |
—
class O/S missing
|
190,966
|
$14,715,840 | — | 30 Sep 2025 | |
| DEPRINCE RACE & ZOLLO INC |
13F
|
Company |
—
class O/S missing
|
189,009
|
$14,565,034 | — | 30 Sep 2025 | |
| Russell Investments Group, Ltd. |
13F
|
Company |
—
class O/S missing
|
184,631
|
$14,227,710 | — | 30 Sep 2025 | |
| Robert E. Robotti |
13F
|
Individual |
—
class O/S missing
|
181,851
|
$14,013,438 | — | 30 Sep 2025 | |
| Bank of New York Mellon Corp |
13F
|
Company |
—
class O/S missing
|
177,982
|
$13,715,321 | — | 30 Sep 2025 | |
| TEACHERS RETIREMENT SYSTEM OF THE STATE OF KENTUCKY |
13F
|
Company |
—
class O/S missing
|
165,315
|
$12,739,000 | — | 30 Sep 2025 | |
| FIRST TRUST ADVISORS LP |
13F
|
Company |
—
class O/S missing
|
164,936
|
$12,709,968 | — | 30 Sep 2025 | |
| D. E. Shaw & Co., Inc. |
13F
|
Company |
—
class O/S missing
|
160,009
|
$12,330,294 | — | 30 Sep 2025 | |
| JPMORGAN CHASE & CO |
13F
|
Company |
—
class O/S missing
|
157,794
|
$12,159,614 | — | 30 Sep 2025 | |
| Walleye Capital LLC |
13F
|
Company |
—
class O/S missing
|
148,317
|
$11,429,308 | — | 30 Sep 2025 | |
| 1832 Asset Management L.P. |
13F
|
Company |
—
class O/S missing
|
138,920
|
$10,705,175 | — | 30 Sep 2025 |
Institutional Holders of WESTLAKE CORP - COM (WLK) as of Q4 2025
As of 31 Dec 2025,
WESTLAKE CORP - COM (WLK) was held by
293 institutional
shareholders
that filed Form 13F with the SEC.
Together, they reported ownership of
46,394,569 shares.
The largest 10 holders included
Orbis Allan Gray Ltd, WELLINGTON MANAGEMENT GROUP LLP, VANGUARD GROUP INC, BlackRock, Inc., PRICE T ROWE ASSOCIATES INC /MD/, Capital World Investors, DIMENSIONAL FUND ADVISORS LP, BRANDES INVESTMENT PARTNERS, LP, STATE STREET CORP, and Holocene Advisors, LP.
This page lists
293
institutional shareholders reporting positions in this security
for the Q4 2025 filing period.
| Investor | Option | Weight % | Change % | Value $ | * Price | Shares | Share Change | Activity | Report Period |
|---|
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
298
Q4 2025 holders
293
Holder diff
-5
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 Value $ | Q4 2025 Value $ | Value Diff $ | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.
An asterisk sign (*) next to the price indicates that the price is likely invalid.