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, Q2 2026
Institutional positions in Quantum Biopharma Ltd. as of Jun 30, 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
- 26
- +1 vs. Q1 2026
- Shares held
- 414.9K
- +160.6K (+63.2%) vs. Q1 2026
- Total value
- $1.50M
- +$275.4K (+22.4%) vs. Q1 2026
- New holders
- 4
- 8 more added
- Sold out
- 3
- 4 more reduced
Compare with Q1 2026: 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 | $907.6K |
| 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, Q2 2026
Shares, value and share of portfolio for each institution holding Quantum Biopharma Ltd.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| AdvisorShares Investments LLC | 203,564 | $736.9K | 0.09% | +94,973+87.5% | Added |
| Jane Street Group, LLC | 48,355 | $175.0K | 0.00% | +16,854+53.5% | Added |
| Platform Technology Partners | 41,116 | $148.8K | 0.02% | 00.0% | Unchanged |
| UBS Group AG | 33,405 | $120.9K | 0.00% | +26,168+361.6% | Added |
| Steward Partners Investment Advisory, LLC | 27,881 | $100.9K | 0.00% | +23,500+536.4% | Added |
| Citadel Advisors LLC | 15,863 | $57.4K | 0.00% | 00.0% | Unchanged |
| Marex Group plc | 13,436 | $48.6K | 0.00% | −32−0.2% | Reduced |
| Mariner, LLC | 10,000 | $36.2K | 0.00% | −59−0.6% | Reduced |
| NBC Securities, Inc. | 7,000 | $25.3K | 0.00% | +7,000 | New |
| Advisor Group Holdings, Inc. | 6,295 | $22.8K | 0.00% | −80−1.3% | Reduced |
| Global Retirement Partners, LLC | 3,000 | $10.9K | 0.00% | +3,000 | New |
| Jones Financial Companies LLLP | 1,209 | $4.59K | 0.00% | +509+72.7% | Added |
| Atlantic Union Bankshares Corp | 1,000 | $3.62K | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 1,000 | $3.62K | 0.00% | 00.0% | Unchanged |
| Morgan Stanley | 600 | $2.17K | 0.00% | +600 | New |
| Royal Bank of Canada | 446 | $2.00K | 0.00% | +427+2,247.4% | Added |
| Wells Fargo & Company | 250 | $907 | 0.00% | +150+150.0% | Added |
| Cetera Trust Company, N.A | 250 | $905 | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 93 | $334 | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 79 | $286 | 0.00% | +4+5.3% | Added |
| Group One Trading, L.P. | 34 | $123 | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 30 | $109 | 0.00% | 00.0% | Unchanged |
| Activest Wealth Management | 15 | $54 | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 6 | $20 | 0.00% | −14−70.0% | Reduced |
| Purpose Unlimited Inc. | 1 | $4 | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 1 | $4 | 0.00% | +1 | New |
| Virtu Financial LLC | 0 | $0 | 0.00% | −12,282−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −71−100.0% | Sold out |
| National Bank of Canada | 0 | $0 | 0.00% | −20−100.0% | Sold out |