QNTM · Quantum Biopharma Ltd. · Shareholders & Ownership
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Every disclosed holder of QNTM in one list: 13F institutions, Schedule 13D and 13G filers, insiders (Forms 3, 4 and 5) and registered funds, each from its own latest filing. Holders nest by CIK and SEC reporting links, never by name, and each is summed once.
Who Owns QNTM
13F quarter Sep 30, 2026, combined view: filers that have not filed yet carry their Jun 30, 2026 positionsNo chart: shares outstanding cannot be set against these holders.
| Holder group | Shares | % Out |
|---|---|---|
| Institutional (13F) | 420,939 | — |
| Insiders (Forms 3, 4, 5) | 0 | — |
| 13D/G-only blocks | 776,130 | — |
| Registered funds (N-PORT, not summed) | 203,564 | — |
% Out is unavailable: a foreign private issuer reports ordinary shares, a different unit from the listed shares.
Insiders are listed but not summed: the issuer has more than one class of common stock and Forms 3, 4 and 5 report one issuer-wide balance across them.
13D/G-only counts each filer's latest 13D or 13G that no 13F report of the listing contains, that names no 13F filer and that no counted insider files. Funds are never summed: their shares sit inside their advisers' 13F reports.
Holders of QNTM
| # | Holder | Shares | As of | Notes |
|---|---|---|---|---|
| 1 |
AdvisorShares Trust
13G
CIK 1408970 · Registered fund · Sep 30, 2026
Rule 13d-1(b), qualified institution
|
400,378 | ||
| 2 |
Malone Wealth Ventures LLC
13G
CIK 2072045 · Investment adviser · Feb 3, 2026
Rule 13d-1(d), exempt investor
|
375,752 | ||
| 3 |
AdvisorShares Investments LLC
13F
CIK 1425930 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
203,564 | ||
| 3.1 |
AdvisorShares Psychedelics ETF
Fund
S000072085 · Registered fund · Jun 30, 2026
AdvisorShares Trust, not summed
|
203,564 | ||
| 4 |
JANE STREET GROUP, LLC
13F
CIK 1595888 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
48,355 | ||
| 5 |
Platform Technology Partners
13F
CIK 1830817 · Registered investment adviser · Sep 30, 2026
|
41,116 | ||
| 6 |
|
33,405 | ||
| 7 |
Steward Partners Investment Advisory, LLC
13F
CIK 1723397 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
27,881 | ||
| 8 |
CITADEL ADVISORS LLC
13F
CIK 1423053 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
15,863 | ||
| 9 |
Marex Group plc
13F
CIK 1997464 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
13,436 | ||
| 10 |
Mariner, LLC
13F
CIK 1373442 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
10,000 | ||
| 11 |
NBC SECURITIES, INC.
13F
CIK 791540 · Registered investment adviser · Sep 30, 2026
|
7,000 | ||
| 12 |
OSAIC HOLDINGS, INC.
13F
CIK 1677044 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
6,295 | ||
| 13 |
CITIGROUP INC
13F
CIK 831001 · Bank · Sep 30, 2026
|
5,852 | ||
| 14 |
Global Retirement Partners, LLC
13F
CIK 1749744 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
3,000 | ||
| 15 |
JONES FINANCIAL COMPANIES LLLP
13F
CIK 815917 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,209 | ||
| 16 |
Atlantic Union Bankshares Corp
13F
CIK 883948 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1,000 | ||
| 17 |
Farther Finance Advisors, LLC
13F
CIK 1992825 · Registered investment adviser · Sep 30, 2026
|
1,000 | ||
| 18 |
MORGAN STANLEY
13F
CIK 895421 · Holding company · Jun 30, 2026
carried, not yet filed for the newest quarter
|
600 | ||
| 19 |
ROYAL BANK OF CANADA
13F
CIK 1000275 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
446 | ||
| 20 |
Cetera Trust Company, N.A
13F
CIK 2005547 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
250 | ||
| 21 |
WELLS FARGO & COMPANY/MN
13F
CIK 72971 · Bank · Jun 30, 2026
carried, not yet filed for the newest quarter
|
250 | ||
| 22 |
SBI Securities Co., Ltd.
13F
CIK 1851815 · Non-US institution · Sep 30, 2026
|
235 | ||
| 23 |
Federation des caisses Desjardins du Quebec
13F
CIK 2022297 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
93 | ||
| 24 |
GROUP ONE TRADING LLC
13F
CIK 932540 · Broker-dealer · Jun 30, 2026
carried, not yet filed for the newest quarter
|
34 | ||
| 25 |
Rockefeller Capital Management L.P.
13F
CIK 1739439 · Registered investment adviser · Jun 30, 2026
carried, not yet filed for the newest quarter
|
30 | ||
| 26 |
Activest Wealth Management
13F
CIK 1883134 · Registered investment adviser · Sep 30, 2026
|
15 | ||
| 27 |
TD Waterhouse Canada Inc.
13F
CIK 1999606 · Unknown · Sep 30, 2026
|
8 | ||
| 28 |
Purpose Unlimited Inc.
13F
CIK 2115120 · Unknown · Jun 30, 2026
carried, not yet filed for the newest quarter
|
1 | ||
| 29 |
Root Financial Partners, LLC
13F
CIK 1977181 · Registered investment adviser · Sep 30, 2026
|
1 |
Shares are restated onto today's split basis. Change compares each row with the same holder's previous filing in the same source; a dash means there is none to compare. Nested 13D/G, insider and fund rows are not summed, since a 13F report already holds them.