Internet Initiative Japan - 26 Year Stock Price History | IIJIY

Historical daily share price chart and data for Internet Initiative Japan since 1999 adjusted for splits and dividends. The latest closing stock price for Internet Initiative Japan as of June 11, 2025 is 39.00.
  • The all-time high Internet Initiative Japan stock closing price was 106.83 on December 06, 1999.
  • The Internet Initiative Japan 52-week high stock price is 43.57, which is 11.7% above the current share price.
  • The Internet Initiative Japan 52-week low stock price is 27.55, which is 29.4% below the current share price.
  • The average Internet Initiative Japan stock price for the last 52 weeks is 36.47.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.
Internet Initiative Japan Historical Annual Stock Price Data
Year Average Stock Price Year Open Year High Year Low Year Close Annual % Change
2025 35.9055 36.3900 40.8750 32.1000 39.0000 7.17%
2024 36.4747 40.3988 43.5700 27.1400 36.3900 -10.53%
2023 36.7785 35.5399 43.7385 30.8106 40.6732 11.52%
2022 33.0914 39.9619 40.0208 22.1062 36.4709 -8.85%
2021 29.2385 18.6899 42.4946 18.6899 40.0124 111.59%
2020 17.6217 12.9132 24.0499 12.1279 18.9101 46.98%
2019 10.2503 10.7423 13.0176 8.6605 12.8657 20.40%
2018 9.5091 8.8368 11.4769 8.4085 10.6860 26.50%
2017 8.3499 6.8167 9.7177 6.7709 8.4473 23.92%
2016 8.6058 8.9998 10.0009 6.3043 6.8167 -23.87%
2015 8.3529 9.1656 9.7116 7.0465 8.9545 0.04%
2014 9.6609 11.7530 12.4532 7.5098 8.9508 -24.47%
2013 13.8222 10.2038 18.7096 9.8778 11.8505 17.15%
2012 9.0015 7.9054 12.3780 6.3383 10.1155 31.28%
2011 7.7108 6.0283 10.1670 5.5289 7.7052 29.29%
2010 5.1365 3.9136 6.9778 3.5307 5.9594 54.97%
2009 3.5627 2.4647 5.3186 1.6012 3.8455 56.02%
2008 5.7007 8.2094 8.3758 1.5593 2.4647 -70.31%
2007 7.3217 7.1485 9.0245 5.2366 8.3009 17.48%
2006 7.1998 9.2748 10.1518 5.3696 7.0657 -23.41%
2005 6.1050 3.8886 12.1706 2.5317 9.2251 128.95%
2004 3.3686 3.6073 5.0800 1.9029 4.0293 18.78%
2003 3.7032 1.9112 10.2925 1.2659 3.3922 72.27%
2002 3.7736 4.9228 5.4854 1.7706 1.9691 -60.20%
2001 6.6056 7.0843 11.7900 3.5825 4.9477 -34.69%
2000 45.3521 99.2841 102.0760 6.9292 7.5756 -90.58%
Sector Industry Market Cap Revenue
Computer and Technology Internet Services $3.573B $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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