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QNTM QUANTUM BIOPHARMA LTD

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CL B SUB VTG SHS (common), issuer CIK 1771885

24 managers (24 13F filers) reported a position in QNTM shares at 2025-12-31, 128,382 shares in all. 7 filers opened a position and 2 filers sold out during the quarter.

Managers
24
13F filers
24
New
7
Added
4
Reduced
6
Sold out
2
Shares held by filers
128,382

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

Each filer's latest stake. The shares are the aggregate the reporting persons state, which can include entities that file no 13F.

  • AdvisorShares Trust
    400,378 shares, 4.95% in a 13G/A as of 2026-09-30,0000929638-26-003843
    Accepted , ingested

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2025

Filers in the available 13F reports with a share position at 2025-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
AdvisorShares Investments LLC49,633$362K0.06%+12,39613F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC15,863$116K<0.01%new13F-HRTimelineGroup
Marex Group Ltdin group Marex Group Ltd13,436$98.1K<0.01%013F-HRTimelineGroup
GTS SECURITIES LLC12,300$89.8K<0.01%new13F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC10,892$79.5K<0.01%new13F-HRTimelineGroup
Virtu Financial LLCin group Virtu Financial LLC10,406$76K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.5,270$38.5K<0.01%+4,59013F-HRTimelineGroup
Steward Partners Investment Advisory, L…4,381$32K<0.01%+1,28113F-HRTimeline
UBS Group AGin group UBS Group AG1,710$12.5K<0.01%-7,04413F-HRTimelineGroup
TUCKER ASSET MANAGEMENT LLC1,114$8.13K<0.01%new13F-HRTimeline
Atlantic Union Bankshares Corpin group Atlantic Union Bankshares Corp1,000$7.3K<0.01%new13F-HRTimelineGroup
Farther Finance Advisors, LLC1,000$7.3K<0.01%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO577$4.21K<0.01%-15913F-HRTimelineGroup
Cetera Trust Company, N.A250$1.82K<0.01%013F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY243$1.77K<0.01%-2,32113F-HR/ATimelineGroup
Federation des caisses Desjardins du Qu…93$657<0.01%+113F-HRTimeline
SBI Securities Co., Ltd.55$402<0.01%-10013F-HRTimeline
GROUP ONE TRADING LLC34$248<0.01%013F-HRTimeline
Rockefeller Capital Management L.P.in group Rockefeller Capital Managemen…30$219<0.01%013F-HR/ATimelineGroup
Signature Equity Partners, LLC20$146<0.01%13F-HRTimeline
Activest Wealth Management15$110<0.01%013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/4$29<0.01%-9613F-HRTimelineGroup
Purpose Unlimited Inc.in group Purpose Unlimited Inc.1$7<0.01%13F-HRTimelineGroup
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA55$00%-52813F-HRTimelineGroupValue filed as zero, left out of ratios.

Events

  • AdvisorShares Trust reported 400,378 QNTM shares, 4.95% of the class, as of 2026-09-30, in a 13G/A filed 2026-10-05. 0000929638-26-003843

    Accepted , ingested