IOSP (INNOSPEC INC.) historical data
STOCKListed
| Symbol | IOSP |
|---|---|
| Name | INNOSPEC INC. |
| History | 2006-03-23 to 2026-10-07 (about 20 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 | 282 |
|---|---|
| Shares held | 24,868,191 ($2.0bn reported value) |
| Quarter flows | 46 new, 104 added, 96 trimmed, 30 exited; -72,874 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("IOSP") on the look-back bundles. All 13F managers
Get it in Python
import finzdata as yf
df = yf.Ticker("IOSP").history(start="2006-03-23", interval="1d")
df.tail()