Position in WLK
as of Jun 30, 2026
· filed Aug 10, 2026
Position Value
$17,182,667
+$243,301 QoQ
Shares Held
235,379
+62.3% QoQ
Ownership
0.184%
of shares outstanding
% of Portfolio
2.77%
of 13F equity value
Holder Rank
#32
of 358 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WLK Over Time
Shares Held
Position Value (USD)
Position in Specialty Chemicals
Basic Materials · as of Jun 30, 2026ROBOTTI ROBERT holds $17,182,667 across 1 Specialty Chemicals name. WLK ranks #1 (100.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WLK |
Westlake Corp
This page
|
235,379 | $17,182,667 |
All Filings in WLK
Export CSV
26 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $17,182,667 | 235,379 | Shares | Sole | 2026-08-10 | |
| 2026-03-31 | $16,939,366 | 145,004 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $18,946,681 | 256,244 | Shares | Sole | 2026-02-19 | |
| 2025-09-30 | $14,013,437 | 181,851 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $13,883,040 | 182,840 | Shares | Sole | 2025-08-13 | |
| 2025-03-31 | $16,474,539 | 164,696 | Shares | Sole | 2025-05-13 | |
| 2024-12-31 | $18,836,880 | 164,299 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $24,660,033 | 164,083 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $23,793,636 | 164,298 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $25,619,670 | 167,668 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $31,710,316 | 226,567 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $28,377,634 | 227,622 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $27,282,049 | 228,359 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $26,584,470 | 229,216 | Shares | Other | 2023-05-12 | |
| 2022-12-31 | $23,509,038 | 229,267 | Shares | Other | 2023-03-03 | |
| 2022-09-30 | $19,979,445 | 229,966 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $22,581,945 | 230,381 | Shares | Other | 2022-08-12 | |
| 2022-03-31 | $28,359,047 | 229,814 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $12,816,205 | 131,949 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $21,050,605 | 230,970 | Shares | Other | 2021-11-15 | |
| 2021-06-30 | $20,754,933 | 230,380 | Shares | Other | 2021-08-16 | |
| 2021-03-31 | $23,025,377 | 259,324 | Shares | Other | 2021-05-17 | |
| 2020-12-31 | $21,409,881 | 262,376 | Shares | Other | 2021-02-16 | |
| 2020-09-30 | $16,903,510 | 267,376 | Shares | Other | 2020-11-16 | |
| 2020-06-30 | $14,811,584 | 276,078 | Shares | Other | 2020-08-14 | |
| 2020-03-31 | $11,559,249 | 302,836 | Shares | Other | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||