IRON MOUNTAIN INC - Common Stock (IRM)

Historical Holders from Q1 2014 to Q1 2025

Symbol
IRM on NYSE
CUSIP
46284V101
Type / Class
Equity / Common Stock
Shares outstanding
294M
All holders as of December 31, 2024
Q4 2024
Shares, excl. options
236M
Holdings value
$24.8B
% of all portfolios
0.022%
Grand Portfolio weight change
0%
Number of holders
1041
Number of buys
424
Number of sells
-511
Average Value change %
-0.01%
Average buys %
+0.002%
Average sells %
-0.01%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of IRON MOUNTAIN INC - Common Stock (IRM)

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
COHEN & STEERS, INC. 4.35% $1.1B 12.8M COHEN & STEERS, INC. Feb 28, 2025

Institutional Holders of IRON MOUNTAIN INC - Common Stock (IRM)

Period Reported Shares, Excl. Options Value, Excl. Options Change Price Investors
2025 Q1 3.46M $297M -$21.9M $86.04 177
2024 Q4 236M $24.8B -$262M $105.11 1,041
2024 Q3 238M $28.3B -$1.46B $118.83 1,045
2024 Q2 248M $22.2B +$1.34B $89.62 961
2024 Q1 233M $18.7B +$24.8M $80.21 928
2023 Q4 233M $16.3B +$339M $69.98 866
2023 Q3 226M $13.5B +$110M $59.45 812
2023 Q2 220M $12.5B +$4.84M $56.82 791
2023 Q1 224M $11.8B -$141M $52.91 766
2022 Q4 227M $11.3B +$48.3M $49.85 762
2022 Q3 225M $9.92B +$94.9M $43.97 719
2022 Q2 223M $10.9B -$1.2M $48.69 747
2022 Q1 224M $12.4B -$332M $55.41 756
2021 Q4 224M $11.7B +$43.4M $52.33 724
2021 Q3 226M $9.84B -$1.12M $43.45 685
2021 Q2 228M $9.65B +$24.3M $42.32 664
2021 Q1 201M $7.44B -$115M $37.01 605
2020 Q4 205M $6.04B -$293M $29.48 578
2020 Q3 241M $6.47B -$102M $26.79 565
2020 Q2 246M $6.42B +$9.7M $26.10 541
2020 Q1 243M $5.79B +$67.8M $23.80 501
2019 Q4 241M $7.69B -$33.5M $31.87 549
2019 Q3 241M $7.83B -$243M $32.39 490
2019 Q2 249M $7.8B -$61.3M $31.30 497
2019 Q1 255M $9.05B -$47M $35.46 513
2018 Q4 254M $8.24B +$105M $32.41 461
2018 Q3 249M $8.58B +$216M $34.52 483
2018 Q2 242M $8.47B +$12M $35.01 465
2018 Q1 250M $8.2B -$258M $32.86 455
2017 Q4 253M $9.52B +$592M $37.73 456
2017 Q3 236M $9.19B +$212M $38.90 396
2017 Q2 231M $7.95B +$108M $34.36 370
2017 Q1 228M $8.12B +$978M $35.67 358
2016 Q4 218M $7.07B +$19.5M $32.48 357
2016 Q3 216M $8.09B +$98.2M $37.53 361
2016 Q2 214M $8.52B +$414M $39.83 372
2016 Q1 202M $6.85B +$50.4M $33.91 329
2015 Q4 203M $5.49B -$49.8M $27.01 323
2015 Q3 205M $6.34B +$101M $31.02 306
2015 Q2 200M $6.18B +$148M $31.00 332
2015 Q1 196M $7.14B +$5.89B $36.48 323
2014 Q4 34M $1.31B +$1.19B $38.66 26
2014 Q3 3.2M $105M $0 $32.65 1
2014 Q2 0 $0 -$3.34M 0
2014 Q1 121K $3.35M +$562K $32.03 2