Security key
960413102
- Security type / class
- Equity / COM
- Total 13F shares
- 41,501,786
- Total 13F value
- $3,197,756,199
- Share change
- +2,231,066
- Put/Call ratio
- 333%
- SEC-reported price per share
- $77.06
- Number of holders
- 298
- Value change
- +$174,265,156
- Number of buys
- 156
- Number of sells
- 159
Open additional details 1 more signal available
Report period
Q3 2025
Institutions
298
Top holders
10
WLK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2026
WESTLAKE CORP SEC filings
WESTLAKE CORP company facts
Broader feeds
Reporting periods
Holder history for CUSIP 960413102
Recent filing periods:
Ownership snapshot
Top reported holders of WLK - WESTLAKE CORP - COM (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
Dorothy C. Jenkins
Disclosed value leader
Dorothy C. Jenkins
Comparable rows
0/15
Latest evidence
30 Jun 2025
3/4/5
13F
Highest disclosed value: $12,071,920,935
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
Dorothy C. Jenkins has the largest disclosed position value at $12.07B.
0 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens Dorothy C. Jenkins's linked filing trail.
Disclosed position value
Top 5
Dorothy C. Jenkins
$12.07B
VICTORY CAPITAL MANAGEMENT INC
$282.59M
VANGUARD GROUP INC
$267.49M
BlackRock, Inc.
$252.75M
PRICE T ROWE ASSOCIATES INC /MD/
$156.31M
Value bars compare disclosed positions; verify each figure against the linked filing evidence.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| Dorothy C. Jenkins |
3/4/5
Director, 10%+ Owner
|
—
denominator unverified
|
$12,071,920,935
93,479,332 shares
|
— | 12 Aug 2022 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
—
denominator unverified
|
$282,591,870
3,721,742 shares
|
— | 30 Jun 2025 |
| VANGUARD GROUP INC |
13F
Company
|
—
denominator unverified
|
$267,486,963
3,522,810 shares
|
— | 30 Jun 2025 |
| BlackRock, Inc. |
13F
Company
|
—
denominator unverified
|
$252,747,861
3,328,696 shares
|
— | 30 Jun 2025 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
denominator unverified
|
$156,310,000
2,058,588 shares
|
— | 30 Jun 2025 |
| FMR LLC |
13F
Company
|
—
denominator unverified
|
$122,645,040
1,615,238 shares
|
— | 30 Jun 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q3 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
298
Shares
41,501,786
Rows available
298
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q3 2025 vs Q2 2025 Across Filers
Q2 2025 holders
302
Q3 2025 holders
298
Holder diff
-4
| Investor | Q2 2025 Shares | Q3 2025 Shares | Share Diff | Share Chg % | Q2 2025 value | Q3 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend