Innospec - 27 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 July 21, 2025 is 83.55.
  • The all-time high Innospec stock closing price was 129.30 on July 23, 2024.
  • The Innospec 52-week high stock price is 133.53, which is 59.8% above the current share price.
  • The Innospec 52-week low stock price is 80.32, which is 3.9% below the current share price.
  • The average Innospec stock price for the last 52 weeks is 104.00.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Innospec Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 94.8660 106.6250 115.5110 82.5400 83.5500 -23.36%
2024 117.2364 119.5140 129.2980 103.1230 109.0230 -9.57%
2023 101.5361 99.9157 122.4200 89.7541 120.5610 21.46%
2022 92.8828 89.2627 108.7160 80.9755 99.2595 15.25%
2021 88.7553 84.3694 99.8095 77.4125 86.1262 0.77%
2020 73.7631 96.2238 99.4919 56.9785 85.4716 -11.00%
2019 79.4566 56.6931 96.4745 55.2613 96.0381 69.43%
2018 66.3531 64.5793 75.4490 53.0310 56.6839 -11.48%
2017 57.9923 62.2888 66.1665 48.9236 64.0351 4.30%
2016 47.5443 46.3085 65.2015 37.5726 61.3925 27.72%
2015 41.5360 37.1695 51.6900 34.5114 48.0699 28.75%
2014 36.5685 39.4840 39.8451 30.9132 37.3356 -6.42%
2013 36.6488 30.1142 42.0478 30.1142 39.8983 35.49%
2012 24.7243 22.6489 29.4482 20.4777 29.4482 30.95%
2011 22.8108 16.5680 30.1718 15.3503 22.4886 37.60%
2010 10.9228 8.2279 17.9460 6.9541 16.3437 102.18%
2009 7.4969 4.6219 12.5222 2.2005 8.0837 74.01%
2008 12.6249 13.4431 19.8827 3.5808 4.6456 -65.48%
2007 19.7315 17.6160 24.9120 12.7529 13.4588 -26.01%
2006 10.8790 6.4800 18.9134 6.4800 18.1904 189.17%
2005 6.7753 7.9001 7.9001 5.6449 6.2905 -21.18%
2004 9.1181 7.9185 12.1449 7.1715 7.9807 6.21%
2003 6.1748 6.0069 7.8040 4.8312 7.5140 25.09%
2002 7.5681 6.6752 9.9180 6.0069 6.0069 -12.01%
2001 6.0397 4.5513 7.2707 4.3237 6.8269 56.52%
2000 3.6990 3.9824 4.9068 2.9631 4.3616 10.84%
1999 4.7057 5.4283 5.8076 3.6979 3.9350 -25.22%
Sector Industry Market Cap Revenue
Basic Materials Chemicals - Diversified $2.072B $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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