Quantum Biopharma Ltd.
QNTM- Exchange
- Nasdaq
- Industry
- Pharmaceutical Preparations
- SEC CIK
- 0001771885
No open-market purchases or sales by Quantum Biopharma Ltd. insiders were filed in the last 90 days; 26 institutions reported holding it in 13F filings for Q2 2026, worth $1.50M in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in Quantum Biopharma Ltd. as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 25
- +1 vs. Q4 2025
- Shares held
- 300.9K
- +125.9K (+72.0%) vs. Q4 2025
- Total value
- $1.23M
- +$290.5K (+31.0%) vs. Q4 2025
- New holders
- 7
- 7 more added
- Sold out
- 6
- 1 more reduced
Compare with Q4 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting QNTM on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 26 | $1.50M |
| Q1 2026 | 25 | $1.23M |
| Q4 2025 | 24 | $936.8K |
| Q3 2025 | 17 | $895.5K |
| Q2 2025 | 17 | $2.38M |
| Q1 2025 | 14 | $552.7K |
| Q4 2024 | 9 | $256.4K |
| Q3 2024 | 12 | $192.0K |
| Q2 2024 | 0 | $0 |
| Q1 2024 | 0 | $0 |
| Q4 2023 | 0 | $0 |
| Q3 2023 | 0 | $0 |
| Q2 2023 | 0 | $0 |
| Q1 2023 | 0 | $0 |
| Q4 2022 | 0 | $0 |
| Q3 2022 | 0 | $0 |
| Q2 2022 | 0 | $0 |
| Q1 2022 | 0 | $0 |
| Q4 2021 | 0 | $0 |
| Q3 2021 | 0 | $0 |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2026
Shares, value and share of portfolio for each institution holding Quantum Biopharma Ltd.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal Bank of Canada | 19 | $0 | 0.00% | −36−65.5% | Reduced |
| Purpose Unlimited Inc. | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 15 | $72 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 20 | $88 | 0.00% | +20 | New |
| National Bank of Canada | 20 | $93 | 0.00% | +20 | New |
| Rockefeller Capital Management L.P. | 30 | $145 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 34 | $164 | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 71 | $343 | 0.00% | +71 | New |
| SBI Securities Co., Ltd. | 75 | $362 | 0.00% | +20+36.4% | Added |
| Federation des caisses Desjardins du Quebec | 93 | $369 | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 100 | $477 | 0.00% | +100 | New |
| Cetera Trust Company, N.A | 250 | $1.21K | 0.00% | 00.0% | Unchanged |
| Jones Financial Companies LLLP | 700 | $3.34K | 0.00% | +700 | New |
| Farther Finance Advisors, LLC | 1,000 | $4.41K | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 1,000 | $4.83K | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 4,381 | $21.2K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 6,375 | $30.8K | 0.00% | +1,105+21.0% | Added |
| UBS Group AG | 7,237 | $35.0K | 0.00% | +5,527+323.2% | Added |
| Mariner, LLC | 10,059 | $48.6K | 0.00% | +10,059 | New |
| Virtu Financial LLC | 12,282 | $59.0K | 0.00% | +1,876+18.0% | Added |
| Marex Group plc | 13,468 | $65.0K | 0.00% | +32+0.2% | Added |
| Citadel Advisors LLC | 15,863 | $76.6K | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 31,501 | $152.1K | 0.00% | +20,609+189.2% | Added |
| Platform Technology Partners | 41,116 | $198.6K | 0.04% | +41,116 | New |
| AdvisorShares Investments LLC | 155,208 | $524.5K | 0.10% | +58,958+61.3% | Added |
| GTS Securities LLC | 0 | $0 | 0.00% | −12,300−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −1,114−100.0% | Sold out |
| JPMorgan Chase & Co | 0 | $0 | 0.00% | −577−100.0% | Sold out |
| Morgan Stanley | 0 | $0 | 0.00% | −243−100.0% | Sold out |
| Signature Equity Partners, LLC | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Bank of America Corp | 0 | $0 | 0.00% | −4−100.0% | Sold out |