Iron Mountain Inc (IRM): Weighted Average Diluted Shares

Annual figures by period end, from SEC filings.

297.82M
Year ended 2025-12-31
+0.6%
3-year compound annual growth
+0.6%
5-year compound annual growth
+3.5%
10-year compound annual growth
2008-12-31: 203.29M2009-12-31: 204.27M2010-12-31: 201.99M2011-12-31: 195.94M2012-12-31: 174.87M2013-12-31: 192.41M2014-12-31: 196.75M2015-12-31: 212.12M2016-12-31: 247.27M2017-12-31: 266.84M2018-12-31: 286.65M2019-12-31: 287.69M2020-12-31: 288.64M2021-12-31: 290.98M2022-12-31: 292.44M2023-12-31: 293.96M2024-12-31: 296.23M2025-12-31: 297.82M297.82M
2008-12-31 Weighted Average Diluted Shares (shares) 2025-12-31
Period endedWeighted Average Diluted SharesChange YoYSource filing
2025-12-31297.82M+0.5%2026-02-12, From 2025-01-01
2024-12-31296.23M+0.8%2026-02-12, From 2024-01-01
2023-12-31293.96M+0.5%2026-02-12, From 2023-01-01
2022-12-31292.44M+0.5%2025-02-14, From 2022-01-01
2021-12-31290.98M+0.8%2024-02-22, From 2021-01-01
2020-12-31288.64M+0.3%2023-02-23, From 2020-01-01
2019-12-31287.69M+0.4%2022-02-24, From 2019-01-01
2018-12-31286.65M+7.4%2021-02-24, From 2018-01-01
2017-12-31266.84M+7.9%2020-02-13, From 2017-01-01
2016-12-31247.27M+16.6%2019-02-14, From 2016-01-01
2015-12-31212.12M+7.8%2018-02-16, From 2015-01-01
2014-12-31196.75M+2.3%2017-02-23, From 2014-01-01
2013-12-31192.41M+10.0%2016-02-26, From 2013-01-01
2012-12-31174.87M-10.8%2015-02-27, From 2012-01-01
2011-12-31195.94M-3.0%2014-02-28, From 2011-01-01
2010-12-31201.99M-1.1%2013-03-01, From 2010-01-01
2009-12-31204.27M+0.5%2012-02-28, From 2009-01-01
2008-12-31203.29Mn/a2011-03-01, From 2008-01-01