| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $15.1M | 0.02% | 185.00K | +56% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a IOSP trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Mar 2, 2026 | Jones David BentleyGeneral Counsel | Sale at price 75.64 per share. | 1K | $77.76K |
| Feb 26, 2026 | Cleminson Ian PChief Financial Officer | Sale at price 76.56 per share. | 2.4K | $182.21K |
| Feb 26, 2026 | Cleminson Ian PChief Financial Officer | Sale at price 76.30 - 76.79 per share. | 2.4K | $182.20K |
| Feb 26, 2026 | Blackmore Milton CDirector | Sale at price 76.56 per share. | 594 | $45.47K |
| Feb 26, 2026 | Blackmore Milton CDirector | Sale at price 76.30 - 76.79 per share. | 594 | $45.47K |
| Feb 26, 2026 | Padfield Lawrence JDirector | Sale at price 76.56 per share. | 594 | $45.47K |
| Feb 26, 2026 | Padfield Lawrence JDirector | Sale at price 76.30 - 76.79 per share. | 594 | $45.47K |
| Feb 26, 2026 | Landless David FDirector | Sale at price 76.56 per share. | 594 | $45.47K |
| Feb 26, 2026 | Landless David FDirector | Sale at price 76.30 - 76.79 per share. | 594 | $45.47K |
| Feb 26, 2026 | Poccia ClaudiaDirector | Sale at price 76.56 per share. | 119 | $9.11K |
| Feb 26, 2026 | Poccia ClaudiaDirector | Sale at price 76.30 - 76.79 per share. | 119 | $9.11K |
| Feb 22, 2026 | Parrette Leslie J JrDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Feb 22, 2026 | Williams Patrick SChief Executive Officer | Stock Award(Grant) at price 0.00 per share. | 20.8K | — |
| Feb 22, 2026 | Cleminson Ian PChief Financial Officer | Stock Award(Grant) at price 0.00 per share. | 4.5K | — |
| Feb 22, 2026 | Blackmore Milton CDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Feb 22, 2026 | Padfield Lawrence JDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Feb 22, 2026 | Landless David FDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Feb 22, 2026 | Jones David BentleyGeneral Counsel | Stock Award(Grant) at price 0.00 per share. | 3K | — |
| Feb 22, 2026 | Poccia ClaudiaDirector | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Feb 22, 2026 | Arnold Elizabeth K.Director | Stock Award(Grant) at price 0.00 per share. | 1.5K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 6.8 | -6.3 | -4.6 | 4.4 | 8.8 | -1.9 | 5.6 | 9.2 | 1.6 | 0.4 | +25.0% | ||
| 2025 | 3.0 | -8.8 | -8.4 | -5.6 | -4.9 | -1.2 | -5.0 | 9.6 | -11.9 | -4.6 | 1.6 | 2.4 | −30.5% |
| 2024 | -5.8 | 7.0 | 3.8 | -6.9 | 9.0 | -5.5 | 6.1 | -12.1 | -1.9 | -4.7 | 10.0 | -7.2 | −10.7% |
| 2023 | 9.9 | -3.1 | -6.2 | -1.0 | -9.1 | 8.7 | 6.7 | 0.3 | -4.9 | -4.1 | 7.2 | 17.3 | +19.8% |
| 2022 | 2.9 | 2.7 | -3.1 | 3.0 | 7.1 | -6.1 | 6.5 | -8.4 | -8.3 | 16.7 | 10.9 | -7.2 | +13.9% |
| 2021 | -3.2 | 14.4 | 2.2 | -5.1 | 3.8 | -10.4 | -2.4 | 5.8 | -10.0 | 7.6 | -10.4 | 11.3 | −0.4% |
| 2020 | -2.6 | -14.1 | -19.7 | 4.4 | 6.3 | 0.2 | -2.7 | -0.6 | -15.2 | 4.5 | 24.4 | 10.3 | −12.3% |
| 2019 | 13.8 | 16.5 | 1.8 | 1.8 | -4.8 | 13.0 | 2.3 | -10.9 | 7.2 | 2.5 | 7.7 | 5.1 | +67.5% |
| 2018 | 1.7 | -9.5 | 5.6 | 6.0 | 5.5 | -0.2 | 5.7 | -4.1 | -1.1 | -12.8 | 10.2 | -16.2 | −12.5% |
| 2017 | 4.2 | -8.5 | -0.8 | 1.9 | -3.0 | 2.4 | -4.8 | -11.1 | 11.1 | 0.3 | 15.4 | -1.1 | +3.1% |
| 2016 | -8.2 | -12.9 | -0.1 | 11.5 | 0.4 | -5.3 | 9.3 | 17.9 | 2.6 | -0.9 | 9.0 | 4.3 | +26.1% |
| 2015 | -7.6 | 11.9 | 5.0 | -5.8 | -1.9 | 5.0 | -4.0 | 13.5 | -5.3 | 18.8 | 5.7 | -7.0 | +27.2% |
| 2014 | -7.3 | 1.6 | 4.0 | -4.8 | -2.1 | 2.4 | -6.9 | 4.9 | -14.9 | 12.5 | 6.2 | -0.4 | −7.6% |
| 2013 | 16.7 | 0.0 | 10.0 | -0.6 | -6.8 | -2.1 | 6.8 | -4.7 | 14.0 | -1.4 | 5.9 | -5.1 | +34.0% |
| 2012 | 15.3 | -4.4 | -1.9 | -0.5 | -12.6 | 12.0 | 5.1 | 1.1 | 7.8 | -4.5 | -1.7 | 8.4 | +22.9% |
| 2011 | -1.4 | 33.3 | 19.1 | 17.9 | -10.0 | -0.8 | -4.4 | -15.8 | -10.5 | 24.7 | -3.8 | -3.4 | +37.6% |
| 2010 | -3.4 | 9.2 | 6.7 | 17.2 | -6.5 | -24.6 | 17.3 | 12.7 | 22.8 | 11.2 | 26.7 | -4.9 | +102.2% |
| 2009 | -17.3 | -17.0 | -6.7 | 108.5 | 13.4 | 20.7 | 11.1 | 14.6 | 7.8 | -19.9 | -24.8 | 13.5 | +71.3% |
| 2008 | -8.1 | 18.8 | 13.1 | -3.8 | 20.7 | -23.6 | -5.7 | -11.6 | -23.1 | -27.4 | -34.2 | 2.3 | −65.7% |
| 2007 | 14.9 | -3.1 | 11.2 | -6.9 | 11.4 | -1.0 | -7.0 | -9.8 | -8.3 | -6.5 | -17.5 | -2.3 | −26.3% |
Buy / hold / sell counts
Innospec Inc. develops, manufactures, blends, markets, and supplies specialty chemicals in the Americas, Europe, the Middle East, Africa, and the Asia-Pacific. The company operates through three segments: Performance Chemicals, Fuel Specialties, and Oilfield Services. It offers specialty chemical products used as additives in diesel, jet, marine, fuel oil, and other fuels used in the operation of commercial trucking, marine and aviation engines, power station generators, heating oil, and other industrial machinery applications. It also provides technology-based solutions for customers' processes or products in personal care, home care, agrochemical, construction, mining, and other industrial markets. In addition, the company develops and markets chemical solutions for drilling, completion, production, drag reducing agents, and oil and gas applications. It serves large multinational companies, manufacturers of personal and home care products and global mining, agriculture and building products, and other industrial companies; national and multinational oil companies, fuel marketers and retailers, fuel terminals, marine lines, coating and plastics producers, and other heavy industrial end-users; and multinational public, independent exploration and production, and oilfield services companies. The company was formerly known as Octel Corp. and changed its name to Innospec Inc. in January 2006. Innospec Inc. was founded in 1938 and is headquartered in Englewood, Colorado.