ERII (Energy Recovery Inc.) historical data
STOCKListed1-minute bars
| Symbol | ERII |
|---|---|
| Name | Energy Recovery Inc. |
| Exchange | NASDAQ |
| Sector | Industrials |
| Industry | Industrial - Pollution & Treatment Controls |
| IPO date | 2008-07-02 |
| History | 2008-07-03 to 2026-10-09 (about 18 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 |
Price history at a glance
ERII last closed at $6.84 on 2026-10-09, -55.4% over the past year and -64.7% over five years. Its deepest fall from a prior high in this history was -84.0%, reached on 2012-04-12.
| Last close | $6.84 (2026-10-09) |
|---|---|
| 1-year change | -55.4% |
| 5-year change | -64.7% |
| Annualized since 2008-07-03 | -2.0% |
| 52-week range | $6.67 – $18.11 |
| Deepest drawdown | -84.0% (2012-04-12) |
| Avg. daily dollar volume (3 months) | $7.3m |
| Daily bars in history | 4,595 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 200 |
|---|---|
| Shares held | 43,879,921 ($395.6m reported value) |
| Quarter flows | 42 new, 81 added, 45 trimmed, 39 exited; -428,816 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("ERII") on the look-back bundles. Top holders of ERII · All 13F managers
Short interest (2026-09-30)
| Shares short | 3,321,523 (-3.2% vs prior report) |
|---|---|
| Days to cover | 3.70 |
ERII short interest history · Industrials sector
Get it in Python
import finzdata as yf
df = yf.Ticker("ERII").history(start="2008-07-03", interval="1d")
df.tail()