Innospec - 28 Year Stock Price History | IOSP

Historical daily share price chart and data for Innospec since 1998 adjusted for splits and dividends. The latest closing stock price for Innospec as of February 11, 2026 is 88.42.
  • The all-time high Innospec stock closing price was 127.74 on July 23, 2024.
  • The Innospec 52-week high stock price is 112.74, which is 27.5% above the current share price.
  • The Innospec 52-week low stock price is 70.10, which is 20.7% below the current share price.
  • The average Innospec stock price for the last 52 weeks is 84.43.
Innospec Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 81.7493 76.2800 88.4200 76.2800 88.4200 15.52%
2025 86.5101 105.3410 114.1200 70.6200 76.5400 -28.94%
2024 115.8243 118.0750 127.7400 101.8810 107.7100 -9.57%
2023 100.3131 98.7123 120.9450 88.6731 119.1090 21.46%
2022 91.7640 88.1876 107.4070 80.0001 98.0640 15.25%
2021 87.6862 83.3532 98.6073 76.4801 85.0888 0.77%
2020 72.8746 95.0648 98.2935 56.2922 84.4421 -11.00%
2019 78.4996 56.0102 95.3124 54.5957 94.8813 69.43%
2018 65.5539 63.8014 74.5403 52.3923 56.0012 -11.48%
2017 57.2938 61.5385 65.3696 48.3343 63.2638 4.30%
2016 46.9716 45.7508 64.4162 37.1200 60.6530 27.71%
2015 41.0357 36.7218 51.0674 34.0957 47.4909 28.75%
2014 36.1280 39.0084 39.3652 30.5408 36.8859 -6.42%
2013 36.2074 29.7515 41.5413 29.7515 39.4178 35.49%
2012 24.4265 22.3761 29.0935 20.2311 29.0935 30.95%
2011 22.5360 16.3685 29.8084 15.1654 22.2178 37.60%
2010 10.7912 8.1288 17.7299 6.8703 16.1469 102.18%
2009 7.4066 4.5662 12.3713 2.1740 7.9864 74.01%
2008 12.4729 13.2812 19.6432 3.5377 4.5896 -65.48%
2007 19.4938 17.4038 24.6119 12.5993 13.2967 -26.01%
2006 10.7480 6.4019 18.6856 6.4019 17.9713 189.17%
2005 6.6937 7.8050 7.8050 5.5769 6.2148 -21.18%
2004 9.0082 7.8231 11.9986 7.0851 7.8845 6.21%
2003 6.1004 5.9346 7.7100 4.7730 7.4235 25.09%
2002 7.4770 6.5948 9.7985 5.9346 5.9346 -12.01%
2001 5.9669 4.4965 7.1831 4.2716 6.7447 56.52%
2000 3.6544 3.9344 4.8477 2.9274 4.3091 10.84%
1999 4.6490 5.3630 5.7377 3.6534 3.8876 -25.22%
Sector Industry Market Cap Revenue
Basic Materials Chemicals - Diversified $2.174B $1.845B
Innospec Inc. is an international specialty chemicals company. Innospec manufactures and supplies a wide range of specialty chemicals to markets in the Americas, Europe, the Middle East, Africa and Asia-Pacific. The Fuel Specialties business specializes in manufacturing and supplying fuel additives that improve fuel efficiency, boost engine performance and reduce harmful emissions. Oilfield Services provides specialty chemicals to all elements of the oil & gas exploration and production industry. The Performance Chemicals business creates innovative technology-based solutions for the customers in the Personal Care, Home Care, Agrochemical, Mining and Industrial markets. Octane Additives produces octane improvers to enhance gasoline.
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