TickerFacts.

Tecogen Inc. (TGEN): Shares Outstanding

Annual figures by period end, from SEC filings.

29.85M
As of 2025-12-31
30.18M
As of 2026-06-30
+6.3%
3-year compound annual growth
+3.7%
5-year compound annual growth
+4.9%
10-year compound annual growth
53.99M2011-12-31: 53.99M2012-12-31: 13.61M2013-12-31: 15.16M2014-12-31: 15.91M2015-12-31: 18.48M2016-12-31: 19.98M2017-12-31: 24.77M2018-12-31: 24.82M2019-12-31: 24.85M2020-12-31: 24.85M2021-12-31: 24.85M2022-12-31: 24.85M2023-12-31: 24.85M2024-12-31: 24.95M2025-12-31: 29.85M29.85M
2011-12-31 Shares Outstanding (shares) 2025-12-31
Period endedShares OutstandingChange YoYSource filing
2025-12-3129.85M+19.6%2026-03-19, Balance as of period end
2024-12-3124.95M+0.4%2026-03-19, Balance as of period end
2023-12-3124.85M0.0%2025-03-18, Balance as of period end
2022-12-3124.85M0.0%2023-03-23, Balance as of period end
2021-12-3124.85M0.0%2023-03-23, Balance as of period end
2020-12-3124.85M0.0%2022-03-10, Balance as of period end
2019-12-3124.85M+0.1%2021-03-18, Balance as of period end
2018-12-3124.82M+0.2%2020-03-12, Balance as of period end
2017-12-3124.77M+23.9%2019-03-29, Balance as of period end
2016-12-3119.98M+8.1%2018-03-21, Balance as of period end
2015-12-3118.48M+16.2%2017-03-23, Balance as of period end
2014-12-3115.91M+5.0%2016-03-30, Balance as of period end
2013-12-3115.16M+11.3%2015-03-25, Balance as of period end
2012-12-3113.61Mn/c2014-03-31, Balance as of period end
2011-12-3153.99Mn/a2013-03-27, Balance as of period end