HDSN (Hudson Technologies Inc.) historical data
STOCKListed1-minute bars
| Symbol | HDSN |
|---|---|
| Name | Hudson Technologies Inc. |
| Exchange | NASDAQ |
| Sector | Basic Materials |
| Industry | Chemicals - Specialty |
| IPO date | 1994-11-01 |
| History | 2004-12-16 to 2026-10-09 (about 22 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
HDSN last closed at $5.14 on 2026-10-09, -43.2% over the past year and +53.0% over five years. Its deepest fall from a prior high in this history was -96.7%, reached on 2019-08-23.
| Last close | $5.14 (2026-10-09) |
|---|---|
| 1-year change | -43.2% |
| 5-year change | +53.0% |
| Annualized since 2004-12-16 | +8.7% |
| 52-week range | $4.84 – $9.51 |
| Deepest drawdown | -96.7% (2019-08-23) |
| Avg. daily dollar volume (3 months) | $2.9m |
| Daily bars in history | 5,458 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 152 |
|---|---|
| Shares held | 31,605,751 ($181.4m reported value) |
| Quarter flows | 26 new, 46 added, 52 trimmed, 34 exited; -1,370,298 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("HDSN") on the look-back bundles. Top holders of HDSN · All 13F managers
Short interest (2026-09-30)
| Shares short | 2,688,167 (-5.2% vs prior report) |
|---|---|
| Days to cover | 5.94 |
HDSN short interest history · Basic Materials sector
Get it in Python
import finzdata as yf
df = yf.Ticker("HDSN").history(start="2004-12-16", interval="1d")
df.tail()