QNTM — Quantum Biopharma Ltd.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2020-01-09.
Performance
Technicals
Others in Healthcare
Measured signals that fired on QNTM
| date | signal | measured base rate |
|---|---|---|
| 2026-03-20 | Short volume far above its own normal short | -0.76% over 21 days · t = -2.79 · n = 5,897 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| AdvisorShares Investments LLC | 524.5K | 108.6K |
| Platform Technology Partners | 198.6K | 41.1K |
| JANE STREET GROUP, LLC | 152.1K | 31.5K |
| CITADEL ADVISORS LLC | 76.6K | 15.9K |
| Marex Group plc | 65.0K | 13.5K |
| Mariner, LLC | 48.6K | 10.1K |
| UBS Group AG | 35.0K | 7.2K |
| OSAIC HOLDINGS, INC. | 30.8K | 6.4K |
| Steward Partners Investment Advisory, LLC | 21.2K | 4.4K |
| Atlantic Union Bankshares Corp | 4.8K | 1.0K |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
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