TickerFacts.

Acorn Energy, Inc. (ACFN): Shares Outstanding

Annual figures by period end, from SEC filings.

Stock splits: 1-for-16, first reflected in a filing dated 2023-11-09. Figures are as filed: per-share figures and share counts last reported before a split are on the old share basis, so changes and growth rates across a split are not shown. Splits are read from the filings' own restatements, so a share conversion in a merger or reorganization shows up the same way.

Figures left out. The filed Shares Outstanding for the years ended 2014-12-31, 2021-12-31 are not shown: shares outstanding out of scale with weighted shares. That usually means the filing tagged the figure in the wrong unit.

2.50M
As of 2025-12-31
2.51M
As of 2026-06-30
+0.3%
3-year compound annual growth
39.69M2012-12-31: 18.07M2013-12-31: 22.16M2015-12-31: 27.33M2016-12-31: 29.32M2017-12-31: 29.50M2018-12-31: 29.56M2019-12-31: 39.59M2020-12-31: 39.69M2022-12-31: 2.48M2023-12-31: 2.48M2024-12-31: 2.49M2025-12-31: 2.50M2.50M
2012-12-31 Shares Outstanding (shares) 2025-12-31

Paler bars were last filed before a stock split, on the old share basis.

Period endedShares OutstandingChange YoYSource filing
2025-12-312.50M+0.5%2026-03-05, Balance as of period end
2024-12-312.49M+0.3%2026-03-05, Balance as of period end
2023-12-312.48M+0.1%2025-03-06, Balance as of period end
2022-12-312.48Mn/c2024-03-07, Balance as of period end
No annual figure between 2020-12-31 and 2022-12-31.
2020-12-3139.69M+0.2%2021-03-16, Balance as of period end
2019-12-3139.59M+34.0%2020-03-25, Balance as of period end
2018-12-3129.56M+0.2%2020-03-25, Balance as of period end
2017-12-3129.50M+0.6%2018-03-26, Balance as of period end
2016-12-3129.32M+7.3%2017-03-29, Balance as of period end
2015-12-3127.33Mn/a2016-03-30, Balance as of period end
No annual figure between 2013-12-31 and 2015-12-31.
2013-12-3122.16M+22.6%2014-03-17, Balance as of period end
2012-12-3118.07Mn/a2013-03-18, Balance as of period end