Internet Initiative Japan - 15 Year Stock Price History | IIJIY

Historical daily share price chart and data for Internet Initiative Japan since 2011 adjusted for splits and dividends. The latest closing stock price for Internet Initiative Japan as of June 11, 2026 is 38.46.
  • The all-time high Internet Initiative Japan stock closing price was 43.33 on December 11, 2024.
  • The Internet Initiative Japan 52-week high stock price is 40.70, which is 5.8% above the current share price.
  • The Internet Initiative Japan 52-week low stock price is 27.54, which is 28.4% below the current share price.
  • The average Internet Initiative Japan stock price for the last 52 weeks is 35.07.
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Internet Initiative Japan Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2026 32.7013 35.3300 40.1300 27.2311 38.4600 8.86%
2025 36.2866 36.3900 40.8750 32.1000 35.3300 -2.91%
2024 35.8861 39.0457 43.3300 26.7377 36.3900 -7.43%
2023 35.4874 34.0452 42.0490 29.7786 39.3109 12.52%
2022 31.5894 37.9591 38.2710 21.1765 34.9370 -8.08%
2021 27.6674 17.5754 40.3648 17.5754 38.0070 113.73%
2020 16.5265 12.0704 22.6157 11.3364 17.7825 47.87%
2019 9.5534 10.0008 12.1680 8.0627 12.0260 20.88%
2018 8.8148 8.1546 10.6847 7.7594 9.9484 27.62%
2017 7.6696 6.2269 8.9675 6.1851 7.7952 25.19%
2016 7.8612 8.2211 9.1356 5.7589 6.2269 -23.87%
2015 7.6302 8.3726 8.8713 6.4368 8.1798 0.04%
2014 8.8250 10.7362 11.3758 6.8600 8.1763 -24.47%
2013 12.6263 9.3209 17.0909 9.0231 10.8252 17.15%
2012 8.2226 7.2214 11.3071 5.7899 9.2403 31.28%
Sector Industry Market Cap Revenue
Computer and Technology Internet Services $2.848B $2.081B
Internet Initiative Japan Inc. offers a comprehensive range of Internet access services and Internet-related services to customers, including corporations and other Internet service providers, in Japan. The company offers its services via one of the largest Internet network backbones in Japan as well as between Japan and the United States. (PRESS RELEASE)
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