TNDM (Tandem Diabetes Care Inc.) historical data
STOCKListed1-minute bars
| Symbol | TNDM |
|---|---|
| Name | Tandem Diabetes Care Inc. |
| Exchange | NASDAQ |
| Sector | Healthcare |
| Industry | Medical - Devices |
| IPO date | 2013-11-14 |
| History | 2013-11-15 to 2026-10-09 (about 13 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
TNDM last closed at $16.11 on 2026-10-09, +8.7% over the past year and -87.4% over five years. Its deepest fall from a prior high in this history was -99.3%, reached on 2017-11-03.
| Last close | $16.11 (2026-10-09) |
|---|---|
| 1-year change | +8.7% |
| 5-year change | -87.4% |
| Annualized since 2013-11-15 | -18.3% |
| 52-week range | $12.82 – $28.26 |
| Deepest drawdown | -99.3% (2017-11-03) |
| Avg. daily dollar volume (3 months) | $37.5m |
| Daily bars in history | 3,242 |
Split- and dividend-adjusted closes. Computed by FinzData from its own daily bars.
Institutional ownership (13F, 2026Q2)
| Managers holding | 274 |
|---|---|
| Shares held | 78,816,032 ($1.2bn reported value) |
| Quarter flows | 49 new, 95 added, 91 trimmed, 48 exited; +136,524 shares vs the prior quarter |
From SEC Form 13F filings. Every holder, line by line, and the full history since 2013: yf.Client().holders("TNDM") on the look-back bundles. Top holders of TNDM · All 13F managers
Short interest (2026-09-30)
| Shares short | 13,369,091 (+7.2% vs prior report) |
|---|---|
| Days to cover | 5.25 |
TNDM short interest history · Healthcare sector
Get it in Python
import finzdata as yf
df = yf.Ticker("TNDM").history(start="2013-11-15", interval="1d")
df.tail()