Health Care · Euronext Paris · FYE 12-31 · Prices AT CLOSE 2026-08-19 (EUR) Last €3.37 · Day +1.93% · Mkt cap $88M · 1Y −49.5% · Off 52W high −56.2% · Vol (1Y) 76.3% Price2023-08-21 → 2026-08-19 OSE.PA close: EUR 2.8 on 2023-08-21 to EUR 3.4 on 2026-08-19. Split-adj closes · 240 of 2,851 · price returnⓘ At a glance No fair-value, short-interest or ownership figures on file for OSE.PA. Key fundamentalsFY 2025 | Sales (TTM)€2.6M | | Earnings (TTM)-€37.7M | | ROE−82.3% | | Net margin−1439.1% | | ROIC−44.9% | | Debt / equity1.15× |
FY ratios · TTM sales/earnings (EUR)ⓘ Trailing returns | YTD−34.5% | | 1Y−49.5% | | 3Y+20.9% | | 5Y−60.9% | | 10Y−49.5% | | Since incept. (ann.)−9.4% |
Total return · from 2015-03-30ⓘ Risk | Ann. volatility (1Y)76.3% | | Ann. volatility (3Y)85.8% | | Sharpe (1Y)−0.59 | | Sharpe (3Y)0.47 | | Max drawdown (1Y)−58.1% | | Max drawdown (3Y)−71.9% | | Beta (3Y vs SPY)0.38 |
Daily returns, ann.ⓘ Top institutional holders13F 2026-Q1 No 13F holders on file for OSE.PA. Latest reported quarters No reported quarters on file for OSE.PA. 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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