Quantum Biopharma Ltd. Class B Subordinate Voting Shares Share Price
NASDAQ: QNTM$3.66
-$0.05 (-1.48%) Last updated on 19 Sep, 2026 | 01:29 ISTQuantum Biopharma Ltd. Class B Subordinate Voting Shares Stock Performance
Quantum Biopharma Ltd. Class B Subordinate Voting Shares Share Price Today
As of 19 September 2026, Quantum Biopharma Ltd. Class B Subordinate Voting Shares's share price is $3.66. The stock opened at $3.65, compared to its previous close of $3.71. During today's trading session, Quantum Biopharma Ltd. Class B Subordinate Voting Shares's share price traded between $3.65 and $3.79, with an average price of $3.72. Over the past 52 weeks, the stock has recorded a high of $20.30 and a low of $2.10. In terms of performance, Quantum Biopharma Ltd. Class B Subordinate Voting Shares's share price has declined by 23.75% over the last six months and is down 76.81% on a year-on-year basis.
Quantum Biopharma Ltd. Class B Subordinate Voting Shares Share Price Chart
$3.65$3.79
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Quantum Biopharma Ltd. Class B Subordinate Voting Shares Historical Returns
| Month | Open | Close | Change % |
|---|---|---|---|
Sep 2026 | $3.08 | $3.68 | +17.20% |
Aug 2026 | $2.98 | $3.14 | +7.90% |
Jul 2026 | $3.33 | $2.91 | -19.39% |
Jun 2026 | $6.36 | $3.61 | -47.38% |
May 2026 | $6.01 | $6.86 | +19.83% |
Apr 2026 | $5.55 | $5.72 | +19.27% |
Mar 2026 | $3.63 | $4.80 | +34.83% |
Feb 2026 | $4.55 | $3.56 | -22.10% |
Jan 2026 | $7.05 | $4.57 | -37.91% |
Dec 2025 | $8.82 | $7.36 | -24.59% |
Nov 2025 | $10.48 | $9.76 | -11.51% |
Oct 2025 | $16.89 | $11.03 | -30.10% |
QNTM Share Price FAQs
What is Quantum Biopharma Ltd. Class B Subordinate Voting Shares share price today?
Quantum Biopharma Ltd. Class B Subordinate Voting Shares share price today is $3.66 as on September 19, 2026 at 1:29 am IST.
What is the 52 week high and 52 week low of Quantum Biopharma Ltd. Class B Subordinate Voting Shares stock?
The 52 week high of Quantum Biopharma Ltd. Class B Subordinate Voting Shares stock is $20.30, while the 52 week low is $2.10 as of 19 Sep '26.
What is the 5 year returns of QNTM?
The 5 year returns of QNTM is -96.44% as on 19 Sep '26.
What is the high & low stock price of QNTM today?
QNTM stock price hit a high of $3.79 and low of $3.65 as of 19 Sep '26.
Can I buy QNTM shares in India?
Yes. You can buy QNTM in India by opening an international trading account.