Security Snapshot

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

CUSIP: 74764Y205

13F Institutional Holders and Ownership History from Q3 2024 to Q2 2026

Latest Period

Q2 2026

Institutions Reporting

26

Shares (Excl. Options)

414,929

Price

$3.62

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Latest holder snapshot 5 signals
Portfolio coverage rank
0%
Share change
+160,647
Value change
+$567,376
Number of holders
26
Issuer context Names, identifiers, and filing context for this profile. 2 identity fields
Shares outstanding
3,819,212
SEC-reported price per share
$2.84
13F Shares, Excluding Options vs Price
13F Value, Excluding Options
Total Investors

Key facts

  • QNTM - Quantum Biopharma Ltd. - Class B Subordinate Voting Shares, no par value is tracked under CUSIP 74764Y205.
  • 26 institutions reported positions in Q2 2026.
  • 2 significant owners is listed from Schedule 13D/13G reporting.

Change

  • Holder count moved from 24 to 26 between Q1 2026 and Q2 2026.
  • SEC-reported value moved from $1,227,264 to $1,502,643.

Research use

  • You can quickly see who holds this security, then open quarter and manager detail pages for full evidence.
  • 13F and Schedule 13D/13G sections are kept together so you can cross-check institutional and beneficial ownership context.

Evidence

Source: SEC Form 13F

Latest holder context comes from 26 institutions filings for Q2 2026.

Open SEC evidence

Security key

74764Y205

Latest holder period

Q2 2026

13F holders

26

13D/G owners

2

CIK / CUSIP context first

13D/G owners

Significant owners

Large-stake holder rows connected to Schedule 13D/G evidence.

Rows
2
Security
QNTM
Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Malone Wealth Ventures LLC 9.8% -55% $2,754,262 -$3,327,659 375,752 -55% Malone Wealth Ventures LLC 03 Feb 2026
AdvisorShares Trust 5.3% $814,256 203,564 AdvisorShares Trust 30 Jun 2026

As of 30 Jun 2026, 26 institutional investors reported holding 414,929 shares of Quantum Biopharma Ltd. - Class B Subordinate Voting Shares, no par value (QNTM). This represents 11% of the company’s total 3,819,212 outstanding shares.

13F concentration

Top 25 institutional shareholders

Largest 13F positions for this security by reported shares and value.

Top holder share
11%
Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
AdvisorShares Investments LLC 5.3% 203,564 +87% 0.09% $736,902
JANE STREET GROUP, LLC 1.3% 48,355 +54% 0% $175,045
Platform Technology Partners 1.1% 41,116 0% 0.02% $148,840
UBS Group AG 0.87% 33,405 +362% 0% $120,926
Steward Partners Investment Advisory, LLC 0.73% 27,881 +536% 0% $100,929
CITADEL ADVISORS LLC 0.42% 15,863 0% 0% $57,424
Marex Group Ltd 0.35% 13,436 -0.24% 0% $48,638
Mariner, LLC 0.26% 10,000 -0.59% 0% $36,200
LANARK FINANCIAL, INC. 0.18% 7,000 0% $25,340
OSAIC HOLDINGS, INC. 0.16% 6,295 -1.3% 0% $22,787
Global Retirement Partners, LLC 0.08% 3,000 0% $10,860
JONES FINANCIAL COMPANIES LLLP 0.03% 1,209 +73% 0% $4,594
Atlantic Union Bankshares Corp 0.03% 1,000 0% 0% $3,620
Farther Finance Advisors, LLC 0.03% 1,000 0% 0% $3,620
MORGAN STANLEY 0.02% 600 0% $2,172
ROYAL BANK OF CANADA 0.01% 446 0% $2,000
Cetera Trust Company, N.A 0.01% 250 0% 0% $905
WELLS FARGO & COMPANY/MN 0.01% 250 +150% 0% $907
Federation des caisses Desjardins du Quebec 0% 93 0% 0% $334
SBI Securities Co., Ltd. 0% 79 +5.3% 0% $286
GROUP ONE TRADING LLC 0% 34 0% 0% $123
Rockefeller Capital Management L.P. 0% 30 0% 0% $109
Activest Wealth Management 0% 15 0% 0% $54
TD Waterhouse Canada Inc. 0% 6 -70% 0% $20
Purpose Unlimited Inc. 0% 1 0% 0% $4

Quarter history

Institutional holders across reporting periods

Holder count, reported shares/value, and median price by quarter.

Periods
8
Latest
Q2 2026
Rows shown
1-8 of 8
Period 13F Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2026 Q2 414,929 $1,502,643 +$567,376 $3.62 26
2026 Q1 254,282 $1,227,264 +$573,005 $4.83 24
2025 Q4 128,327 $936,801 +$435,810 $7.30 23
2025 Q3 54,356 $892,109 -$1,115,491 $16.40 16
2025 Q2 116,515 $2,376,442 +$1,109,790 $20.25 17
2025 Q1 69,905 $552,699 -$2,591 $7.71 13
2024 Q4 69,772 $256,361 +$72,515 $3.67 9
2024 Q3 47,959 $191,956 +$191,956 $4.00 11
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