IRM (IRON MOUNTAIN INC) historical data
STOCKListed
| Symbol | IRM |
|---|---|
| Name | IRON MOUNTAIN INC |
| History | 2000-01-04 to 2026-10-07 (about 26 years) |
| Bar sizes | Daily, hourly, 5-minute and 1-minute |
| Adjustments | Unadjusted, split-adjusted or split-and-dividend-adjusted, chosen on read |
| Survivorship | Included in the survivorship-free universe |
| Free tier | Last 12 months of daily bars |
Institutional ownership (13F, 2026Q2)
| Managers holding | 1,167 |
|---|---|
| Shares held | 257,191,531 ($32.5bn reported value) |
| Quarter flows | 153 new, 448 added, 380 trimmed, 75 exited; +3,893,493 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("IRM") on the look-back bundles. Top holders of IRM · All 13F managers
Get it in Python
import finzdata as yf
df = yf.Ticker("IRM").history(start="2000-01-04", interval="1d")
df.tail()