IRM / Dividend History

Iron Mountain Incorporated (IRM) Dividend History

See how Iron Mountain Incorporated (IRM) has rewarded shareholders over time. This page covers all dividend payouts, key dates, and historical yield data to help you evaluate the stock’s income consistency and growth.

Last Ex-Dividend Date
September 15, 2025
Annual Dividend
$3.78
Dividend Yield
3.29%
Forward Dividend Yield
3.44%
Payment Date Dividend / Share Frequency
Ex Date
October 3, 2025
Declared
$0.79
Quarterly
September 15, 2025
July 3, 2025
Declared
$0.79
Quarterly
June 16, 2025
April 4, 2025
Declared
$0.79
Quarterly
March 17, 2025
January 7, 2025
Declared
$0.72
Quarterly
December 16, 2024
October 3, 2024
Declared
$0.72
Quarterly
September 16, 2024
July 5, 2024
Declared
$0.65
Quarterly
June 17, 2024
April 4, 2025
Declared
$0.79
Quarterly
March 17, 2024
April 4, 2024
Declared
$0.65
Quarterly
March 14, 2024
January 4, 2024
Declared
$0.65
Quarterly
December 14, 2023
October 5, 2023
Declared
$0.65
Quarterly
September 14, 2023
July 6, 2023
Declared
$0.62
Quarterly
June 14, 2023
April 5, 2023
Declared
$0.62
Quarterly
March 14, 2023
January 5, 2023
Declared
$0.62
Quarterly
December 14, 2022
October 4, 2022
Declared
$0.62
Quarterly
September 14, 2022
July 6, 2022
Declared
$0.62
Quarterly
June 14, 2022
April 6, 2022
Declared
$0.62
Quarterly
March 14, 2022
January 6, 2022
Declared
$0.62
Quarterly
December 14, 2021
October 6, 2021
Declared
$0.62
Quarterly
September 14, 2021
July 6, 2021
Declared
$0.62
Quarterly
June 14, 2021
April 6, 2021
Declared
$0.62
Quarterly
March 12, 2021
January 6, 2021
Declared
$0.62
Quarterly
December 14, 2020
October 2, 2020
Declared
$0.62
Quarterly
September 14, 2020
July 2, 2020
Declared
$0.62
Quarterly
June 12, 2020
April 6, 2020
Declared
$0.62
Quarterly
March 13, 2020
January 2, 2020
Declared
$0.62
Quarterly
December 13, 2019
October 2, 2019
Declared
$0.61
Quarterly
September 13, 2019
July 2, 2019
Declared
$0.61
Quarterly
June 14, 2019
April 2, 2019
Declared
$0.61
Quarterly
March 14, 2019
January 3, 2019
Declared
$0.61
Quarterly
December 14, 2018
October 2, 2018
Declared
$0.59
Quarterly
September 14, 2018
July 2, 2018
Declared
$0.59
Quarterly
June 14, 2018
April 2, 2018
Declared
$0.59
Quarterly
March 14, 2018
January 2, 2018
Declared
$0.59
Quarterly
December 14, 2017
October 2, 2017
Declared
$0.55
Quarterly
September 14, 2017
July 3, 2017
Declared
$0.55
Quarterly
June 13, 2017
April 3, 2017
Declared
$0.55
Quarterly
March 13, 2017
December 30, 2016
Declared
$0.55
Quarterly
December 13, 2016
September 30, 2016
Declared
$0.49
Quarterly
September 8, 2016
June 24, 2016
Declared
$0.49
Quarterly
June 2, 2016
March 21, 2016
Declared
$0.49
Quarterly
March 3, 2016
December 15, 2015
Declared
$0.49
Quarterly
November 27, 2015
September 30, 2015
Declared
$0.48
Quarterly
September 9, 2015
June 26, 2015
Declared
$0.48
Quarterly
June 10, 2015
March 20, 2015
Declared
$0.48
Other
March 4, 2015
December 22, 2014
Declared
$0.48
Quarterly
December 3, 2014
December 15, 2014
Declared
$0.26
Other
November 25, 2014
November 4, 2014
Declared
$0.67
Other
September 26, 2014
October 15, 2014
Declared
$0.44
Quarterly
September 23, 2014
July 15, 2014
Declared
$0.25
Quarterly
June 23, 2014
April 15, 2014
Declared
$0.25
Quarterly
March 21, 2014
January 15, 2014
Declared
$0.25
Quarterly
December 24, 2013
December 23, 2013
Declared
$0.27
None
December 23, 2013
October 15, 2013
Declared
$0.25
Quarterly
September 23, 2013
July 15, 2013
Declared
$0.25
Quarterly
June 21, 2013
April 15, 2013
Declared
$0.25
Quarterly
March 21, 2013
January 17, 2013
Declared
$0.25
Quarterly
December 21, 2012
November 21, 2012
Declared
$3.76
Other
October 18, 2012
October 15, 2012
Declared
$0.25
Quarterly
September 21, 2012
July 13, 2012
Declared
$0.25
Quarterly
June 20, 2012
April 13, 2012
Declared
$0.23
Quarterly
March 21, 2012
January 13, 2012
Declared
$0.23
Quarterly
December 21, 2011
October 14, 2011
Declared
$0.23
Quarterly
September 21, 2011
July 15, 2011
Declared
$0.23
Quarterly
June 22, 2011
April 15, 2011
Declared
$0.17
Quarterly
March 23, 2011
January 14, 2011
Declared
$0.17
Quarterly
December 22, 2010
October 15, 2010
Declared
$0.06
Quarterly
September 24, 2010
July 15, 2010
Declared
$0.06
Quarterly
June 23, 2010
April 15, 2010
Declared
$0.06
Annual
March 23, 2010
Stock Split History

View the complete IRM stock split history including past split dates, split ratios, and how splits have historically impacted stock prices.

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