IRON MTN INC NEW

Ticker: IRM CUSIP: 46284V101 Class: COM

STATE OF MICHIGAN RETIREMENT SYSTEM's Holding History (CIK: 0000762152)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025
Shares 77,346 Value ($000) $6,416 Avg Close $92.78 Range $77.77 - $107.03
Q3 2025
Shares 79,846 Value ($000) $8,140 Avg Close $94.72 Range $86.18 - $103.65
Q2 2025
Shares 80,246 Value ($000) $8,231 Avg Close $91.94 Range $70.45 - $103.63
Q1 2025
Shares 79,646 Value ($000) $6,853 Avg Close $93.15 Range $78.66 - $108.27
Q4 2024
Shares 79,646 Value ($000) $8,372 Avg Close $112.79 Range $97.81 - $124.90
Q3 2024
Shares 79,846 Value ($000) $9,488 Avg Close $102.07 Range $84.42 - $115.60
Q2 2024
Shares 80,246 Value ($000) $7,192 Avg Close $76.66 Range $69.57 - $86.17
Q1 2024
Shares 80,046 Value ($000) $6,420 Avg Close $68.03 Range $60.70 - $77.13
Q4 2023
Shares 79,946 Value ($000) $5,595 Avg Close $58.41 Range $52.52 - $66.31
Q3 2023
Shares 80,046 Value ($000) $4,759 Avg Close $56.32 Range $51.77 - $59.93
Q2 2023
Shares 80,146 Value ($000) $4,554 Avg Close $49.91 Range $46.48 - $52.92
Q1 2023
Shares 79,846 Value ($000) $4,225 Avg Close $47.24 Range $43.98 - $51.44
Q4 2022
Shares 79,046 Value ($000) $3,940 Avg Close $44.98 Range $39.02 - $50.36
Q3 2022
Shares 78,646 Value ($000) $3,458 Avg Close $44.49 Range $38.52 - $49.96
Q2 2022
Shares 78,446 Value ($000) $3,820 Avg Close $45.77 Range $40.30 - $50.86
Q1 2022
Shares 84,344 Value ($000) $4,674 Avg Close $40.95 Range $35.72 - $49.04
Q4 2021
Shares 84,194 Value ($000) $4,406 Avg Close $40.12 Range $35.72 - $45.55
Q3 2021
Shares 77,996 Value ($000) $3,389 Avg Close $37.70 Range $35.07 - $41.42
Q2 2021
Shares 77,896 Value ($000) $3,297 Avg Close $34.67 Range $30.15 - $39.02
Q1 2021
Shares 77,096 Value ($000) $2,853 Avg Close $27.21 Range $22.46 - $33.48
Q4 2020
Shares 77,196 Value ($000) $2,276 Avg Close $22.13 Range $19.73 - $24.37
Q3 2020
Shares 77,296 Value ($000) $2,071 Avg Close $22.21 Range $19.89 - $23.94
Q2 2020
Shares 73,496 Value ($000) $1,918 Avg Close $19.29 Range $15.96 - $23.32
Q1 2020
Shares 65,846 Value ($000) $1,567 Avg Close $22.56 Range $15.97 - $25.60
Q4 2019
Shares 69,446 Value ($000) $2,213 Avg Close $23.96 Range $23.03 - $25.08
Q3 2019
Shares 69,046 Value ($000) $2,236 Avg Close $22.54 Range $20.94 - $24.55
Q2 2019
Shares 68,646 Value ($000) $2,149 Avg Close $23.07 Range $21.36 - $25.71
Q1 2019
Shares 82,546 Value ($000) $2,927 Avg Close $24.44 Range $21.77 - $25.73
Q4 2018
Shares 81,946 Value ($000) $2,656 Avg Close $22.29 Range $20.47 - $24.25
Q3 2018
Shares 85,246 Value ($000) $2,943 Avg Close $23.81 Range $22.00 - $24.62
Q2 2018
Shares 83,346 Value ($000) $2,918 Avg Close $22.20 Range $20.88 - $23.57
Q1 2018
Shares 82,846 Value ($000) $2,722 Avg Close $21.76 Range $19.92 - $24.42
Q4 2017
Shares 84,446 Value ($000) $3,186 Avg Close $25.21 Range $23.77 - $26.32
Q3 2017
Shares 80,246 Value ($000) $3,122 Avg Close $23.41 Range $20.57 - $25.75
Q2 2017
Shares 80,746 Value ($000) $2,774 Avg Close $21.58 Range $20.00 - $22.57
Q1 2017
Shares 80,546 Value ($000) $2,873 Avg Close $21.50 Range $19.52 - $22.84
Q4 2016
Shares 80,146 Value ($000) $2,603 Avg Close $19.85 Range $18.30 - $22.33
Q3 2016
Shares 85,430 Value ($000) $3,206 Avg Close $22.75 Range $21.08 - $24.40
Q2 2016
Shares 83,030 Value ($000) $3,307 Avg Close $21.21 Range $18.63 - $23.42
Q1 2016
Shares 66,230 Value ($000) $2,246 Avg Close $16.49 Range $13.49 - $19.81
Q4 2015
Shares 65,730 Value ($000) $1,775 Avg Close $16.56 Range $14.83 - $18.15
Q3 2015
Shares 69,230 Value ($000) $2,148 Avg Close $16.53 Range $14.61 - $17.79
Q2 2015
Shares 72,630 Value ($000) $2,252 Avg Close $19.10 Range $17.07 - $20.92
Q1 2015
Shares 72,130 Value ($000) $2,631 Avg Close $20.80 Range $19.23 - $22.28