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IRM IRON MOUNTAIN INC

2026Q1 · CUSIP 46284V101 · Data Center REITs · Sector: REITs

Lit · Institutions accelerating in
Holders
1,075
Δ holders QoQ
+76
Breadth percentile
Top 2%
Whale holders
287
Δ whales
+6
Inst. holding value
$25.6B
New positions
178
Closed positions
102
Price momentum (1Q)
+14.9%
Put / Call
15/17

Breadth history (34 quarters)

2018Q1: Δ-2 · h=459 2018Q2: Δ+8 · h=467 2018Q3: Δ+19 · h=486 2018Q4: Δ-16 · h=470 2019Q1: Δ+52 · h=522 2019Q2: Δ-7 · h=515 2019Q3: Δ-5 · h=510 2019Q4: Δ+51 · h=561 2020Q1: Δ-33 · h=528 2020Q2: Δ+23 · h=551 2020Q3: Δ+24 · h=575 2020Q4: Δ+28 · h=603 2021Q1: Δ+12 · h=615 2021Q2: Δ+58 · h=673 2021Q3: Δ+24 · h=697 2021Q4: Δ+46 · h=743 2022Q1: Δ+19 · h=762 2022Q2: Δ-7 · h=755 2022Q3: Δ-24 · h=731 2022Q4: Δ+39 · h=770 2023Q1: Δ+8 · h=778 2023Q2: Δ+27 · h=805 2023Q3: Δ+14 · h=819 2023Q4: Δ+64 · h=883 2024Q1: Δ+49 · h=932 2024Q2: Δ+26 · h=958 2024Q3: Δ+87 · h=1045 2024Q4: Δ+12 · h=1057 2025Q1: Δ-68 · h=989 2025Q2: Δ+46 · h=1035 2025Q3: Δ-29 · h=1006 2025Q4: Δ-7 · h=999 2026Q1: Δ+76 · h=1075 2018Q1: holders=459 2018Q2: holders=467 2018Q3: holders=486 2018Q4: holders=470 2019Q1: holders=522 2019Q2: holders=515 2019Q3: holders=510 2019Q4: holders=561 2020Q1: holders=528 2020Q2: holders=551 2020Q3: holders=575 2020Q4: holders=603 2021Q1: holders=615 2021Q2: holders=673 2021Q3: holders=697 2021Q4: holders=743 2022Q1: holders=762 2022Q2: holders=755 2022Q3: holders=731 2022Q4: holders=770 2023Q1: holders=778 2023Q2: holders=805 2023Q3: holders=819 2023Q4: holders=883 2024Q1: holders=932 2024Q2: holders=958 2024Q3: holders=1045 2024Q4: holders=1057 2025Q1: holders=989 2025Q2: holders=1035 2025Q3: holders=1006 2025Q4: holders=999 2026Q1: holders=1075 -87 -43.5 +0 +43.5 +87 4137711129 18Q119Q120Q121Q122Q123Q124Q125Q126Q1 Δ holders (bar) Holders (line)

Past Lit Events & Aftermath 19 lit events

Period Percentile Next-1Q return Next-2Q return
2026Q1 Top 2% — —
2025Q2 Top 5% +1.5% +18.8%
2024Q3 Top 1% -20.0% -15.8%
2024Q2 Top 9% +5.1% -13.2%
2024Q1 Top 4% +35.0% +42.4%
2023Q4 Top 7% +21.3% +63.8%
2023Q3 Top 13% +11.4% +34.7%
2023Q2 Top 7% +5.5% +19.0%

Options Sentiment

Put holders
15
QoQ: -3
Call holders
17
QoQ: +1

See methodology →

Fundamentals

PE (TTM)
132.4
EPS (TTM)
$0.92
EPS YoY
+124.4%
Revenue (TTM)
$7.2B
Revenue YoY
+15.6%
Quarterly Revenue & EPS (4Y)
2022-06-30: $1.3B 2022-09-30: $1.3B 2022-12-31: $1.3B 2023-03-31: $1.3B 2023-06-30: $1.4B 2023-09-30: $1.4B 2023-12-31: $1.4B 2024-03-31: $1.5B 2024-06-30: $1.5B 2024-09-30: $1.6B 2024-12-31: $1.6B 2025-03-31: $1.6B 2025-06-30: $1.7B 2025-09-30: $1.8B 2025-12-31: $1.8B 2026-03-31: $1.9B 2022-06-30: EPS 0.68 2022-09-30: EPS 0.66 2022-12-31: EPS 0.42 2023-03-31: EPS 0.22 2023-06-30: EPS 0.00 2023-09-30: EPS 0.31 2023-12-31: EPS 0.10 2024-03-31: EPS 0.25 2024-06-30: EPS 0.12 2024-09-30: EPS -0.11 2024-12-31: EPS 0.35 2025-03-31: EPS 0.05 2025-06-30: EPS -0.15 2025-09-30: EPS 0.28 2025-12-31: EPS 0.31 2026-03-31: EPS 0.48 0B 1.0B 1.9B $B -0.16 0.29 0.75 20222023202420252026 Revenue EPS

Quarterly figures; EPS split-adjusted, early quarters hidden when not calibrable

P/E (TTM) over time
4Y median 135 2023-03-31: PE 252023-06-30: PE 41.32023-09-30: PE 59.82023-12-31: PE 99.82024-03-31: PE 115.52024-06-30: PE 130.42024-09-30: PE 301.52024-12-31: PE 148.72025-03-31: PE 235.52025-06-30: PE 6322025-09-30: PE 168.12025-12-31: PE 220.82026-03-31: PE 135 23 343 664 20222023202420252026

P/E = close 47 days after quarter-end (filing date) ÷ TTM EPS then; loss quarters hidden

As of 2026-03-31 · SEC filings (XBRL)