AEHR (Aehr Test Systems) historical data
STOCKListed1-minute bars
| Symbol | AEHR |
|---|---|
| Name | Aehr Test Systems |
| Exchange | NASDAQ |
| Sector | Technology |
| Industry | Semiconductors |
| IPO date | 1997-08-15 |
| History | 2000-01-04 to 2026-10-09 (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 |
Price history at a glance
AEHR last closed at $84.64 on 2026-10-09, +236.5% over the past year and +335.4% over five years. Its deepest fall from a prior high in this history was -95.5%, reached on 2011-11-22.
| Last close | $84.64 (2026-10-09) |
|---|---|
| 1-year change | +236.5% |
| 5-year change | +335.4% |
| Annualized since 2000-01-04 | +11.3% |
| 52-week range | $19.40 – $145.61 |
| Deepest drawdown | -95.5% (2011-11-22) |
| Avg. daily dollar volume (3 months) | $269.4m |
| Daily bars in history | 6,469 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 262 |
|---|---|
| Shares held | 23,262,550 ($2.2bn reported value) |
| Quarter flows | 105 new, 74 added, 70 trimmed, 34 exited; +777,461 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("AEHR") on the look-back bundles. Top holders of AEHR · All 13F managers
Short interest (2026-09-30)
| Shares short | 5,220,478 (+2.0% vs prior report) |
|---|---|
| Days to cover | 2.42 |
AEHR short interest history · Technology sector
Get it in Python
import finzdata as yf
df = yf.Ticker("AEHR").history(start="2000-01-04", interval="1d")
df.tail()