DOSSIER · 13F Holders · Q2 2026
QNTM

QUANTUM BIOPHARMA LTD

28 institutions still hold QUANTUM BIOPHARMA LTD as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 74764Y205·28 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$2M
visible holders
Holders
28
filers reporting
Concentration
47.91%
AdvisorShares Investments LLC #1
top holder share
AI Holders Summary · Q2 2026

28 institutions reported QNTM in Q2 2026. AdvisorShares Investments LLC leads at 47.9% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
AdvisorShares Investments LLC
CIK 0001425930
$737K204K0.09%Q2 2026
02
JANE STREET GROUP, LLC
CIK 0001595888· Market maker
$152K32K0.00%Q1 2026
03
Platform Technology Partners
CIK 0001830817
$149K41K0.02%Q2 2026
04
UBS Group AG
CIK 0001610520
$121K33K0.00%Q2 2026
05
Steward Partners Investment Advisory, LLC
CIK 0001723397
$101K28K0.00%Q2 2026
06
Virtu Financial LLC
CIK 0001533964· Market maker
$59K12K0.00%Q1 2026
07
CITADEL ADVISORS LLC
CIK 0001423053
$57K16K0.00%Q2 2026
08
Marex Group plc
CIK 0001997464
$49K13K0.00%Q2 2026
09
Mariner, LLC
CIK 0001373442
$36K10K0.00%Q2 2026
10
NBC SECURITIES, INC.
CIK 0000791540
$25K7K0.00%Q2 2026
11
OSAIC HOLDINGS, INC.
CIK 0001677044
$23K6K0.00%Q2 2026
12
Global Retirement Partners, LLC
CIK 0001749744
$11K3K0.00%Q2 2026
13
JONES FINANCIAL COMPANIES LLLP
CIK 0000815917
$5K1K0.00%Q2 2026
14
Atlantic Union Bankshares Corp
CIK 0000883948
$4K1K0.00%Q2 2026
15
Farther Finance Advisors, LLC
CIK 0001992825
$4K1K0.00%Q2 2026
16
MORGAN STANLEY
CIK 0000895421
$2K6000.00%Q2 2026
17
ROYAL BANK OF CANADA
CIK 0001000275
$2K4460.00%Q2 2026
18
WELLS FARGO & COMPANY/MN
CIK 0000072971
$9072500.00%Q2 2026
19
Cetera Trust Company, N.A
CIK 0002005547
$9052500.00%Q2 2026
20
Federation des caisses Desjardins du Quebec
CIK 0002022297
$334930.00%Q2 2026
Page 1 of 2
8 more holders available. Log in →
Insiders at QUANTUM BIOPHARMA LTD
Cohen Donald BGuillama Susan DGuillama Noel J