Quantum Biopharma Ltd. - Common Stock (QNTM)

CUSIP: 74764Y205

Q2 2025 13F Holders as of 30 Jun 2025

Holder snapshot 6 signals
Share change
+45,910
SEC-reported price per share
$20.25
Number of holders
17
Value change
+$1,109,790
Number of buys
8
Number of sells
8
Security identity Names, identifiers, and filing context for this profile. 1 source field
Shares outstanding
3,834,204

Security key

74764Y205

Report period

Q2 2025

Institutions

17

Top holders

10

Ownership snapshot

Top reported holders of QNTM - Quantum Biopharma Ltd. - Common Stock (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
13/13
Latest evidence
31 Mar 2025
13F Lead comparable stake: 1.3% Showing 1-6 of 13 holder rows.

Quick read

AdvisorShares Investments LLC leads the comparable SEC ownership view at 1.3%.

13 of 13 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 1.3%
J.W. COLE ADVISORS, INC. 0.33%
Tower Research Capital LLC (TRC) 0.08%
MORGAN STANLEY 0.07%
UBS Group AG 0.04%

Ownership % is shown only when SEC disclosures are safely comparable across share classes.

Detailed SEC evidence table Showing 1-6 of 13 holder rows
Holder Evidence Ownership % Position 12M Net Δ As of
AdvisorShares Investments LLC
13F
Company
13F
1.3%
$391,430
48,990 shares
31 Mar 2025
J.W. COLE ADVISORS, INC.
13F
Company
13F
0.33%
$97,069
12,590 shares
31 Mar 2025
Tower Research Capital LLC (TRC)
13F
Company
13F
0.08%
$24,633
3,195 shares
31 Mar 2025
MORGAN STANLEY
13F
Company
13F
0.07%
$19,522
2,532 shares
31 Mar 2025
UBS Group AG
13F
Company
13F
0.04%
$12,444
1,614 shares
31 Mar 2025
THOMPSON INVESTMENT MANAGEMENT, INC.
13F
Company
13F
0.01%
$2,506
325 shares
31 Mar 2025
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 Q2 2025

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

Institutions
17
Shares
116,515
Rows available
17
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 Q2 2025 vs Q1 2025 Across Filers

Q1 2025 holders
13
Q2 2025 holders
17
Holder diff
4
Investor Q1 2025 Shares Q2 2025 Shares Share Diff Share Chg % Q1 2025 value Q2 2025 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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