Quantum Biopharma Ltd. - Class B Subordinate Voting Shares, no par value (QNTM)

CUSIP: 74764Y205

Q4 2024 13F Holders as of 31 Dec 2024

Holder snapshot 6 signals
Share change
+21,713
SEC-reported price per share
$3.67
Number of holders
9
Value change
+$72,515
Number of buys
3
Number of sells
7
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
3,819,212

Security key

74764Y205

Report period

Q4 2024

Institutions

9

Top holders

9

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
11/11
Latest evidence
30 Sep 2024
13F Lead comparable stake: 0.69% Showing 1-6 of 11 holder rows.

Quick read

AdvisorShares Investments LLC leads the comparable SEC ownership view at 0.69%.

11 of 11 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 0.69%
Virtu Financial LLC 0.3%
HRT FINANCIAL LP 0.26%
GROUP ONE TRADING LLC 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 11 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
AdvisorShares Investments LLC
13F
Company
13F
0.69%
$104,932
26,233 shares
30 Sep 2024
Virtu Financial LLC
13F
Company
13F
0.3%
$46,000
11,428 shares
30 Sep 2024
HRT FINANCIAL LP
13F
Company
13F
0.26%
$40,000
10,041 shares
30 Sep 2024
GROUP ONE TRADING LLC
13F
Company
13F
0%
$688
172 shares
30 Sep 2024
NATIONAL BANK OF CANADA /FI/
13F
Company
13F
0%
$192
48 shares
30 Sep 2024
OSAIC HOLDINGS, INC.
13F
Company
13F
0%
$58
15 shares
30 Sep 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 Q4 2024

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions
9
Shares
69,772
Rows available
9
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 Q4 2024 vs Q1 2026 Across Filers

Q1 2026 holders
24
Q4 2024 holders
9
Holder diff
-15
Investor Q1 2026 Shares Q4 2024 Shares Share Diff Share Chg % Q1 2026 value Q4 2024 value Value change Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend
We use cookies and similar technologies to provide certain features, enhance the user experience and, if you allow them, measure engagement and deliver advertising. Analytics and marketing storage stay off until you grant consent. By clicking on "Agree and continue", you declare your consent to the use of the selected optional cookies. Manage preferences to update or revoke optional consent for future visits. For more information, see our Privacy Policy .