Unrecognized Tax Benefits of IRON MOUNTAIN INC from 31 Dec 2010 to 31 Dec 2025

Taxonomy & unit
us-gaap: USD
Description
Amount of unrecognized tax benefits.
Summary
IRON MOUNTAIN INC quarterly Unrecognized Tax Benefits in USD history and change rate from 31 Dec 2010 to 31 Dec 2025.
  • IRON MOUNTAIN INC Unrecognized Tax Benefits for the quarter ending 31 Dec 2025 was $28,478,000, a 10% increase year-over-year.
Source SEC data
View on sec.gov
Unrecognized Tax Benefits, Quarterly (USD)
Unrecognized Tax Benefits, YoY Quarterly Change (%)

IRON MOUNTAIN INC Quarterly Unrecognized Tax Benefits (USD)

Period Value YoY Chg Change % Date Report Filed Fiscal Year Fiscal Period
Q4 2025 $28,478,000 +$2,602,000 +10% 31 Dec 2025 10-K 12 Feb 2026 2025 FY
Q4 2024 $25,876,000 +$2,306,000 +9.8% 31 Dec 2024 10-K 12 Feb 2026 2025 FY
Q4 2023 $23,570,000 -$4,183,000 -15% 31 Dec 2023 10-K 12 Feb 2026 2025 FY
Q4 2022 $27,753,000 -$19,000 -0.07% 31 Dec 2022 10-K 12 Feb 2026 2025 FY
Q4 2021 $27,772,000 +$1,803,000 +6.9% 31 Dec 2021 10-K 14 Feb 2025 2024 FY
Q4 2020 $25,969,000 -$9,099,000 -26% 31 Dec 2020 10-K 22 Feb 2024 2023 FY
Q4 2019 $35,068,000 -$252,000 -0.71% 31 Dec 2019 10-K 23 Feb 2023 2022 FY
Q4 2018 $35,320,000 -$3,213,000 -8.3% 31 Dec 2018 8-K 04 Aug 2022
Q4 2017 $38,533,000 -$20,933,000 -35% 31 Dec 2017 10-K 24 Feb 2021 2020 FY
Q4 2016 $59,466,000 +$11,781,000 +25% 31 Dec 2016 10-K 13 Feb 2020 2019 FY
Q4 2015 $47,685,000 -$8,266,000 -15% 31 Dec 2015 10-K 14 Feb 2019 2018 FY
Q4 2014 $55,951,000 +$4,805,000 +9.4% 31 Dec 2014 10-K 16 Feb 2018 2017 FY
Q4 2013 $51,146,000 +$13,583,000 +36% 31 Dec 2013 10-K 23 Feb 2017 2016 FY
Q4 2012 $37,563,000 +$6,155,000 +20% 31 Dec 2012 10-K 26 Feb 2016 2015 FY
Q4 2011 $31,408,000 -$28,483,000 -48% 31 Dec 2011 8-K 07 May 2015
Q4 2010 $59,891,000 31 Dec 2010 8-K 05 May 2014 2013 FY
* An asterisk sign (*) next to the value indicates that the value is likely invalid.