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, Q3 2025
Institutional positions in Quantum Biopharma Ltd. as of Sep 30, 2025. 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
- 17
- 0 vs. Q2 2025
- Shares held
- 67.8K
- −48.7K (−41.8%) vs. Q2 2025
- Total value
- $895.5K
- −$1.48M (−62.3%) vs. Q2 2025
- New holders
- 4
- 5 more added
- Sold out
- 4
- 3 more reduced
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Quantum Biopharma Ltd.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| TD Waterhouse Canada Inc. | 2 | $33 | 0.00% | −1−33.3% | Reduced |
| Activest Wealth Management | 15 | $246 | 0.00% | 00.0% | Unchanged |
| National Bank of Canada | 24 | $393 | 0.00% | +24 | New |
| Rockefeller Capital Management L.P. | 30 | $492 | 0.00% | +30 | New |
| Group One Trading, L.P. | 34 | $558 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 92 | $1.49K | 0.00% | +64+228.6% | Added |
| Bank of America Corp | 100 | $1.64K | 0.00% | +100 | New |
| SBI Securities Co., Ltd. | 155 | $2.54K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 13,436 | $3.38K | 0.00% | +13,436 | New |
| Cetera Trust Company, N.A | 250 | $4.10K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 583 | $10.0K | 0.00% | +501+611.0% | Added |
| Advisor Group Holdings, Inc. | 680 | $11.4K | 0.00% | +600+750.0% | Added |
| JPMorgan Chase & Co | 736 | $12.1K | 0.00% | −161−17.9% | Reduced |
| Morgan Stanley | 2,564 | $42.0K | 0.00% | +2,433+1,857.3% | Added |
| Steward Partners Investment Advisory, LLC | 3,100 | $50.8K | 0.00% | 00.0% | Unchanged |
| UBS Group AG | 8,754 | $143.6K | 0.00% | −37,129−80.9% | Reduced |
| AdvisorShares Investments LLC | 37,237 | $610.7K | 0.10% | +247+0.7% | Added |
| Virtu Financial LLC | 0 | $0 | 0.00% | −16,706−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −10,917−100.0% | Sold out |
| BNP Paribas Arbitrage, SA | 0 | $0 | 0.00% | −700−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −544−100.0% | Sold out |