Western Standard LLC
- SEC CIK
- 0001517666
- Latest filing
- Aug 10, 2026
IOSP holding history
Innospec Inc. in every 13F filed by Western Standard LLC, including the quarters it was sold out or no filing was made. Changes compare share counts with the previous calendar quarter.
IOSP overviewAll 13F holders of IOSPFull Q2 2026 holdings
- Shares (Q2 2026)
- 236,833
- Value
- $19.3M
- % of portfolio
- 6.5%
- Quarters held
- 4
- Since Q3 2025
| Quarter | Shares | Value | % of portfolio | Share change | Action | All holders |
|---|---|---|---|---|---|---|
| Q2 2026 | 236,833 | $19.3M | 6.5% | +10,000+4.4% | Added | Holders |
| Q1 2026 | 226,833 | $16.6M | 8.7% | −41,534−15.5% | Reduced | Holders |
| Q4 2025 | 268,367 | $20.5M | 9.5% | +241,367+894.0% | Added | Holders |
| Q3 2025 | 27,000 | $2.08M | 1.1% | +27,000 | New | Holders |