Who Owns QUANTUM BIOPHARMA LTD (QNTM)? -- Institutional Holders (2026-06-30)

29 institutions reported holding $1.5M of QUANTUM BIOPHARMA LTD (QNTM) in SEC 13F filings for 2026-06-30. Largest institutional holders: AdvisorShares Investments LLC ($736,902), JANE STREET GROUP, LLC ($175,045), Platform Technology Partners ($148,840), UBS Group AG ($120,926), Steward Partners Investment Advisory, LLC ($100,929). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	AdvisorShares Investments LLC	$736,902	203,564	Added
2	JANE STREET GROUP, LLC	$175,045	48,355	Added
3	Platform Technology Partners	$148,840	41,116	Hold
4	UBS Group AG	$120,926	33,405	Added
5	Steward Partners Investment Advisory, LLC	$100,929	27,881	Added
6	CITADEL ADVISORS LLC	$57,424	15,863	Hold
7	Marex Group plc	$48,638	13,436	Trimmed
8	Mariner, LLC	$36,200	10,000	Trimmed
9	NBC SECURITIES, INC.	$25,340	7,000	New
10	OSAIC HOLDINGS, INC.	$22,787	6,295	Trimmed
11	Global Retirement Partners, LLC	$10,860	3,000	New
12	JONES FINANCIAL COMPANIES LLLP	$4,594	1,209	Added
13	Farther Finance Advisors, LLC	$3,620	1,000	Hold
14	Atlantic Union Bankshares Corp	$3,620	1,000	Hold
15	MORGAN STANLEY	$2,172	600	New
16	Royal Bank of Canada	$2,000	446	Added
17	WELLS FARGO & COMPANY/MN	$907	250	Added
18	Cetera Trust Company, N.A	$905	250	Hold
19	Federation des caisses Desjardins du Quebec	$334	93	Hold
20	SBI Securities Co., Ltd.	$286	79	Added
21	GROUP ONE TRADING LLC	$123	34	Hold
22	Rockefeller Capital Management L.P.	$109	30	Hold
23	Activest Wealth Management	$54	15	Hold
24	TD Waterhouse Canada Inc.	$20	6	Trimmed
25	Purpose Unlimited Inc.	$4	1	Hold

Source: SEC Form 13F filings · as of 2026-06-30