Iron Mountain Inc

Robeco Institutional Asset Management B.V. IRM

Report date

12/31/2025

Quarter

2025 Q4

Filed

1/23/2026

Shares

15,697

Value ($000)

1,302

Weight

0.0%

2017 Q3 - 2025 Q4 (34 filings)

Shares History

History scope: non-option holdings only (PUT/CALL rows excluded).

All 13F Holders	Filing date	Value ($000s)	% of Holdings	Shares	Reporting period
2025 Q4	1/23/2026	1,302	0.0%	15,697	12/31/2025
2025 Q3	10/22/2025	1,501	0.0%	14,725	9/30/2025
2025 Q2	7/18/2025	1,510	0.0%	14,725	6/30/2025
2025 Q1	4/23/2025	1,739	0.0%	20,206	3/31/2025
2024 Q4	1/23/2025	2,015	0.0%	19,167	12/31/2024
2024 Q3	10/29/2024	5,524	0.0%	46,489	9/30/2024
2024 Q2	7/23/2024	6,759	0.0%	75,415	6/30/2024
2024 Q1	4/24/2024	24,094	0.1%	300,385	3/31/2024
2023 Q4	2/14/2024	2,950	0.0%	42,154	12/31/2023
2023 Q3	10/24/2023	1,574	0.0%	26,476	9/30/2023
2023 Q2	7/24/2023	3,640	0.0%	64,056	6/30/2023
2023 Q1	5/4/2023	4,554	0.0%	86,063	3/31/2023
2022 Q4	2/7/2023	10,667	0.0%	213,979	12/31/2022
2022 Q3	12/1/2022	8,810	0.0%	200,402	9/30/2022
2022 Q2	12/1/2022	4,365	0.0%	89,682	6/30/2022
2022 Q1	12/1/2022	11,451	0.0%	206,685	3/31/2022
2021 Q4	12/1/2022	12,445	0.0%	237,806	12/31/2021
2021 Q3	12/1/2022	13,617	0.0%	313,411	9/30/2021
2021 Q2	12/1/2022	12,438	0.0%	293,875	6/30/2021
2021 Q1	12/1/2022	9,086	0.0%	245,545	3/31/2021
2020 Q4	12/1/2022	6,262	0.0%	212,394	12/31/2020
2020 Q3	1/19/2021	6,416	0.0%	239,551	9/30/2020
2020 Q2	1/19/2021	6,119	0.0%	234,523	6/30/2020
2020 Q1	1/19/2021	460	0.0%	19,372	3/31/2020
2019 Q4	1/19/2021	154	0.0%	4,846	12/31/2019
2019 Q3	1/19/2021	157	0.0%	4,846	9/30/2019
2019 Q2	1/19/2021	152	0.0%	4,846	6/30/2019
2019 Q1	1/19/2021	656	0.0%	18,504	3/31/2019
2018 Q4	1/19/2021	157	0.0%	4,846	12/31/2018
2018 Q3	1/19/2021	167	0.0%	4,846	9/30/2018
2018 Q2	1/19/2021	515	0.0%	14,691	6/30/2018
2018 Q1	1/19/2021	483	0.0%	14,691	3/31/2018
2017 Q4	1/19/2021	183	0.0%	4,846	12/31/2017
2017 Q3	1/19/2021	2	0.0%	42	9/30/2017