QNTM Institutional Ownership
Who owns Quantum Biopharma Ltd. and what the big funds did with it last quarter, from every SEC 13F filing. 27 funds reported holding QNTM at Jun 30, 2026.
- ▲11 buying vs 7 selling
- ▲Shares held by funds +53.4%
- ▲Funds holding +1
- ●No superinvestor moves
- ●Put/call not meaningful
What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.
Funds holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 27 | 26 | +3.8% |
| In funds' top 10 | 0 | 0 | – |
| 13F shares | 462K | 301K | +53.4% |
| Held by funds | – | – | – |
| New positions | 3 | 7 | −57.1% |
| Increased | 8 | 7 | +14.3% |
| Reduced | 4 | 1 | +300.0% |
| Sold out | 3 | 6 | −50.0% |
| Calls (shares) | 0 | 0 | – |
| Puts (shares) | 0 | 0 | – |
| Put/call ratio | – | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors in QNTM
All superinvestors →
Who owns QNTM
share of fund held shares- Index and passive funds0.0%
- Active managers and hedge funds80.9%
- Banks and brokers18.5%
- Pensions, insurers and other0.6%
The top 10 holders own 96.9% of all QNTM shares that funds reported. Groups are our own grouping of filers by name.
Filed so far for Q3 2026
3 funds changed their position- SBI Securities Co., Ltd.Added+156 sh
- TD Waterhouse Canada Inc.Added+2 sh
- Root Financial Partners, LLCNew+1 sh
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | AdvisorShares Investments LLC | – | 204K | $737K | +95K |
| 2 | Jane Street Group, LLC | – | 48K | $175K | +17K |
| 3 | AdvisorShares Investments LLC | – | 47K | $0 | 0 |
| 4 | Platform Technology Partners | – | 41K | $149K | 0 |
| 5 | UBS Group AG | – | 33K | $121K | +26K |
| 6 | Steward Partners Investment Advisory, LLC | – | 28K | $101K | +24K |
| 7 | Citadel Advisors LLC | – | 16K | $57K | 0 |
| 8 | Marex Group Ltd | – | 13K | $49K | −32 |
| 9 | Mariner, LLC | – | 10K | $36K | −59 |
| 10 | Lanark Financial, Inc. | – | 7,000 | $25K | +7,000 |
- AdvisorShares Investments LLC+95K sh+$344K
- UBS Group AG+26K sh+$95K
- Steward Partners Investment Advisory, LLC+24K sh+$85K
- Jane Street Group, LLC+17K sh+$61K
- Lanark Financial, Inc.+7,000 sh+$25K
- Morgan Stanley+600 sh+$2K
- Jones Financial Companies Lllp+509 sh+$2K
- Royal Bank of Canada+427 sh+$2K
- Virtu Financial LLC−12K sh−$59K
- Tower Research Capital LLC (TRC)−71 sh−$343
- Osaic Holdings, Inc.−80 sh−$290
- Mariner, LLC−59 sh−$214
- Marex Group Ltd−32 sh−$116
- National Bank of Canada /fi/−20 sh−$93
- TD Waterhouse Canada Inc.−14 sh−$47
QNTM institutional ownership FAQ
Who owns the most QNTM stock?
In Q2 2026 13F filings the largest holder of QNTM was AdvisorShares Investments LLC, followed by Jane Street Group, LLC and AdvisorShares Investments LLC. Index fund managers are usually the biggest holders of large companies.
What percentage of QNTM is owned by institutions?
27 funds reported holding 462K QNTM shares at Jun 30, 2026.
Are hedge funds buying QNTM?
In Q2 2026, 11 funds bought QNTM (3 of them new positions) and 7 sold (3 sold out completely). Among well known investors, 0 added and 0 cut. Our fund sentiment for QNTM is bullish.
What is QNTM's institutional put/call ratio?
Too few option positions were reported for a meaningful ratio.
How current is this QNTM ownership data?
13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.
For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.