Security key
74764Y205
Quantum Biopharma Ltd. - Class B Subordinate Voting Shares, no par value (QNTM)
CUSIP: 74764Y205
Q1 2025 13F Holders as of 31 Mar 2025
- Security type / class
- Equity / Class B Subordinate Voting Shares, no par value
- Total 13F shares
- 69,905
- Total 13F value
- $552,699
- Share change
- +133
- SEC-reported price per share
- $7.71
- Number of holders
- 13
- Value change
- -$2,591
- Number of buys
- 9
- Number of sells
- 5
- Shares outstanding
- 3,819,212
Holder snapshot
6 signals
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q1 2025
Institutions
13
Top holders
10
QNTM full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q3 2025
Quantum Biopharma Ltd. SEC filings
Quantum Biopharma Ltd. company facts
Broader feeds
Reporting periods
Holder history for CUSIP 74764Y205
Recent filing periods:
Ownership snapshot
Top reported holders of QNTM - Quantum Biopharma Ltd. - Class B Subordinate Voting Shares, no par value (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
AdvisorShares Investments...
Disclosed value leader
AdvisorShares Investments...
Comparable rows
9/9
Latest evidence
31 Dec 2024
13F
Lead comparable stake: 1.8%
Showing 1-6 of 9 holder rows.
Quick read
AdvisorShares Investments LLC leads the comparable SEC ownership view at 1.8%.
9 of 9 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens AdvisorShares Investments LLC's linked filing trail.
Comparable ownership
Top 5
AdvisorShares Investments LLC
1.8%
ROYAL BANK OF CANADA
0.01%
GROUP ONE TRADING LLC
0%
SBI Securities Co., Ltd.
0%
NATIONAL BANK OF CANADA /FI/
0%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 9 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| AdvisorShares Investments LLC |
13F
Company
|
1.8%
|
$254,207
69,078 shares
|
— | 31 Dec 2024 |
| ROYAL BANK OF CANADA |
13F
Company
|
0.01%
|
$1,000
379 shares
|
— | 31 Dec 2024 |
| GROUP ONE TRADING LLC |
13F
Company
|
0%
|
$489
133 shares
|
— | 31 Dec 2024 |
| SBI Securities Co., Ltd. |
13F
Company
|
0%
|
$368
100 shares
|
— | 31 Dec 2024 |
| NATIONAL BANK OF CANADA /FI/ |
13F
Company
|
0%
|
$123
34 shares
|
— | 31 Dec 2024 |
| Federation Des Caisses Desjardins du Quebec |
13F
Individual
|
0%
|
$101
28 shares
|
— | 31 Dec 2024 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
13F holder rows
Institutional holders as of Q1 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
13
Shares
69,905
Rows available
13
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. The marker flags a reported price that did not pass the local price check.
Compare Q1 2025 vs Q1 2026 Across Filers
Q1 2026 holders
24
Q1 2025 holders
13
Holder diff
-11
| Investor | Q1 2026 Shares | Q1 2025 Shares | Share Diff | Share Chg % | Q1 2026 value | Q1 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend