Health Care · Surgical & Medical Instruments & Apparatus · Nasdaq · CIK 1433607 · FYE Dec 31 · Prices AT CLOSE 2026-08-19 (USD) Last $0.91 · Day +3.21% · Mkt cap $41M · 1Y −62.2% · Off 52W high −64.6% · Vol (1Y) 61.0% Price2023-08-21 → 2026-08-19 NSPR close: $3.44 on 2023-08-21 to $0.91 on 2026-08-19. Split-adj closes · 240 of 3,853 · price returnⓘ At a glance | Short interest0.2% of sh out | | Days to cover2.5d | | 13F net flow (QoQ)−0.68% | | Top-10 13F concentration95.8% | | Next report (est.)2026-11-14 |
SI 2026-07-31 · 13F 2026-Q1ⓘ Key fundamentalsFY 2025 | Sales (TTM)$10.8M | | Earnings (TTM)-$52.5M | | ROE−106.9% | | Net margin−543.3% | | ROIC−123.6% | | Sales growth 3Y20.2% |
FY ratios · TTM sales/earnings (USD)ⓘ Trailing returns | YTD−48.9% | | 1Y−62.2% | | 3Y−73.5% | | 5Y−75.7% | | 10Y−100.0% | | Since incept. (ann.)−68.8% |
Total return · from 2011-04-12ⓘ Risk | Ann. volatility (1Y)61.0% | | Ann. volatility (3Y)62.0% | | Sharpe (1Y)−1.37 | | Sharpe (3Y)−0.39 | | Max drawdown (1Y)−74.0% | | Max drawdown (3Y)−82.8% | | Beta (3Y vs SPY)0.14 |
Daily returns, ann.ⓘ Top institutional holders13F 2026-Q1 | Manager | Shares | Value | % sh out | QoQ |
|---|
| Rosalind Advisors, Inc. | 3.9M | $6M | 8.35% | +0.0% | | Nantahala Capital Management, LLC | 3.4M | $6M | 7.21% | +0.0% | | Aberdeen Group plc | 3.2M | $5M | 6.78% | +0.0% | | ORBIMED ADVISORS LLC | 3.1M | $5M | 6.70% | +0.0% | | Parkman Healthcare Partners LLC | 2.4M | $4M | 5.16% | +0.0% | | Velan Capital Investment Management LP | 2.1M | $3M | 4.49% | −2.1% | | MARSHALL WACE, LLP | 1.9M | $3M | 3.98% | +0.0% | | Soleus Capital Management, L.P. | 1.0M | $2M | 2.23% | −9.1% |
Δ vs 2025-Q4ⓘ Latest reported quarterslast report 2026-08-14 | Period end | Reported | EPS | EPS YoY | Revenue | Rev YoY |
|---|
| 2026-06-30 | 2026-08-14 | −$0.17 | — | $1.8M | −0.4% | | 2026-03-31 | 2026-05-04 | −$0.16 | −172.7% | $3.4M | +122.2% | | 2025-12-31 | 2026-03-18 | — | — | $3.1M | +61.6% | | 2025-09-30 | 2025-11-04 | −$0.17 | — | $2.5M | +39.4% |
As-reported XBRL · next 2026-11-14 est.ⓘ Segment mixFY2025 (ended Dec 2025) Other Countries 45% · US 16% · DE 14% · IT 14% · PL 12% geographic · TAGGED revenueⓘ Basis & disclosures - EOD closes · nothing imputed or averaged · absent “—”
- As-of differs by block · 13F = US long, 45+d lag, LOWER bound
- Not investment advice · no recommendation, price target or solicitation
- EDGAR + foreign registers · marketstack (licensed EOD) · spzco.com/methodology
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