Quantum Biopharma Ltd.

QNTMNASDAQ

$3.27-0.17 (-4.94% today)

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

Quantum Biopharma Ltd. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-81.7%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
AdvisorShares Investments LLC	1696366.67%	$737K	0.09%	Add 87.46%
Jane Street Group, LLC	402958.33%	$175K	0.00%	Not reported
UBS Group AG	278375.00%	$121K	0.00%	Not reported
Steward Partners Investment Advisory, LLC	232341.67%	$101K	0.00%	Not reported
Citadel Advisors LLC	132191.67%	$57.4K	0.00%	Not reported
Marex Group Ltd	111966.67%	$48.6K	0.00%	Not reported
Mariner, LLC	83333.33%	$36.2K	0.00%	Not reported
Lanark Financial, Inc.	58333.33%	$25.3K	0.00%	New Not reported
Osaic Holdings, Inc.	52458.33%	$22.8K	0.00%	Not reported
Global Retirement Partners, LLC	25000.00%	$10.9K	0.00%	Not reported
Jones Financial Companies LLLP	10075.00%	$4.59K	0.00%	Not reported
Atlantic Union Bankshares Corp	8333.33%	$3.62K	0.00%	Not reported
Farther Finance Advisors, LLC	8333.33%	$3.62K	0.00%	Not reported
Morgan Stanley	5000.00%	$2.17K	0.00%	Not reported
Royal Bank of Canada	3716.67%	$2K	0.00%	Not reported
Wells Fargo & Company	2083.33%	$907	0.00%	Not reported
Cetera Trust Company, N.A	2083.33%	$905	0.00%	Not reported
SBI Securities Co., Ltd.	658.33%	$286	0.00%	Not reported
Rockefeller Capital Management L.P.	250.00%	$109	0.00%	Not reported
TD Waterhouse Canada Inc.	50.00%	$20	0.00%	Not reported
Citigroup Inc	8.33%	$4	0.00%	Not reported
Purpose Unlimited Inc.	8.33%	$4	0.00%	Not reported

End of history · 22 holders

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