Ostrum Asset Management
- SEC CIK
- 0001767945
- Latest filing
- Aug 13, 2026
WLK holding history
Westlake Corp in every 13F filed by Ostrum Asset Management, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
WLK overviewAll 13F holders of WLKFull Q2 2026 holdings
- Shares (Q2 2025)
- 0
- Sold out in Q2 2025
- Value
- $0
- % of portfolio
- 0.0%
- Quarters held
- 9
- Since Q1 2023
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2025 | 0 | $0 | 0.0% | −5,023−100.0% | Sold out | Holders |
| Q1 2025 | 5,023 | $502.5K | <0.1% | +4,824+2,424.1% | Added | Holders |
| Q4 2024 | 199 | $22.8K | <0.1% | −10−4.8% | Reduced | Holders |
| Q3 2024 | 209 | $31.4K | <0.1% | +3+1.5% | Added | Holders |
| Q2 2024 | 206 | $29.8K | <0.1% | −305−59.7% | Reduced | Holders |
| Q1 2024 | 511 | $78.1K | <0.1% | 00.0% | Unchanged | Holders |
| Q4 2023 | 511 | $71.5K | <0.1% | +3+0.6% | Added | Holders |
| Q3 2023 | 508 | $63.3K | <0.1% | −4−0.8% | Reduced | Holders |
| Q2 2023 | 512 | $61.2K | <0.1% | 00.0% | Unchanged | Holders |
| Q1 2023 | 512 | $59.4K | <0.1% | – | No prior filing | Holders |