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
8,088,444

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
0/11
Latest evidence
30 Sep 2024
13F Highest disclosed value: $104,932 11 rows are not safely comparable across share classes. Showing 1-6 of 11 holder rows.

Quick read

AdvisorShares Investments LLC has the largest disclosed position value at $104.9K.

0 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.
Disclosed position value Top 5
AdvisorShares Investments LLC $104.9K
Virtu Financial LLC $46K
HRT FINANCIAL LP $40K
GROUP ONE TRADING LLC $688
NATIONAL BANK OF CANADA /FI/ $192

Value bars compare disclosed positions; verify each figure against the linked filing evidence.

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
—
denominator unverified
$104,932
26,233 shares
— 30 Sep 2024
Virtu Financial LLC
13F
Company
13F
—
denominator unverified
$46,000
11,428 shares
— 30 Sep 2024
HRT FINANCIAL LP
13F
Company
13F
—
denominator unverified
$40,000
10,041 shares
— 30 Sep 2024
GROUP ONE TRADING LLC
13F
Company
13F
—
denominator unverified
$688
172 shares
— 30 Sep 2024
NATIONAL BANK OF CANADA /FI/
13F
Company
13F
—
denominator unverified
$192
48 shares
— 30 Sep 2024
OSAIC HOLDINGS, INC.
13F
Company
13F
—
denominator unverified
$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 Q2 2026 Across Filers

Q2 2026 holders
26
Q4 2024 holders
9
Holder diff
-17
Investor Q2 2026 Shares Q4 2024 Shares Share Diff Share Chg % Q2 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
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