Security key
960413102
- Security type / class
- Equity / COM
- Total 13F shares
- 34,506,444
- Total 13F value
- $3,148,158,781
- Share change
- +939,098
- Put/Call ratio
- 231%
- SEC-reported price per share
- $91.14
- Number of holders
- 261
- Value change
- +$92,156,053
- Number of buys
- 136
- Number of sells
- 125
Open additional details 1 more signal available
Report period
Q3 2021
Institutions
261
Top holders
10
WLK full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q4 2021
Previous quarter: Q2 2021
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
VANGUARD GROUP INC
Disclosed value leader
VANGUARD GROUP INC
Comparable rows
0/15
Latest evidence
30 Jun 2021
13F
Highest disclosed value: $360,177,000
15 rows are not safely comparable across share classes.
Showing 1-6 of 15 holder rows.
Quick read
VANGUARD GROUP INC has the largest disclosed position value at $360.18M.
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 VANGUARD GROUP INC's linked filing trail.
Disclosed position value
Top 5
VANGUARD GROUP INC
$360.18M
VICTORY CAPITAL MANAGEMENT INC
$276.13M
Capital World Investors
$235.15M
DIMENSIONAL FUND ADVISORS LP
$205.26M
FMR LLC
$184.9M
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 |
|---|---|---|---|---|---|
| VANGUARD GROUP INC |
13F
Company
|
—
class O/S missing
|
$360,177,000
3,997,970 shares
|
— | 30 Jun 2021 |
| VICTORY CAPITAL MANAGEMENT INC |
13F
Company
|
—
class O/S missing
|
$276,131,000
3,065,054 shares
|
— | 30 Jun 2021 |
| Capital World Investors |
13F
Company
|
—
class O/S missing
|
$235,149,000
2,610,154 shares
|
— | 30 Jun 2021 |
| DIMENSIONAL FUND ADVISORS LP |
13F
Company
|
—
class O/S missing
|
$205,260,000
2,278,426 shares
|
— | 30 Jun 2021 |
| FMR LLC |
13F
Company
|
—
class O/S missing
|
$184,900,000
2,052,402 shares
|
— | 30 Jun 2021 |
| PRICE T ROWE ASSOCIATES INC /MD/ |
13F
Company
|
—
class O/S missing
|
$184,079,000
2,043,274 shares
|
— | 30 Jun 2021 |
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 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
261
Shares
34,506,444
Rows available
261
| 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 2021 vs Q2 2021 Across Filers
Q2 2021 holders
267
Q3 2021 holders
261
Holder diff
-6
| Investor | Q2 2021 Shares | Q3 2021 Shares | Share Diff | Share Chg % | Q2 2021 value | Q3 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend