Quantum Biopharma (QNTM.US) Shareholders - Institutional Holders, Major Shareholders & Insiders | Longbridge

Shareholder Type

Public and others84.52%
Institutions9.84%
Individuals & Insiders5.64%

Major Shareholders

Major Shareholders Latest
Shareholder
Malone Wealth Ventures LLC	4.65%	375.75K	1.77%	+0	02/03/2026
Zeeshan SaeedCo-Founder, CEO & Executive Non-Independent Co-Chairman	2.97%	240.02K	0.20%	+0	08/20/2026
AdvisorShares Investments, LLC	2.52%	203.56K	0.66%	+94.97K	06/30/2026
Anthony DurkaczCo-Founder & Executive Non-Independent Co-Chairman	1.80%	145.57K	0.12%	+0	08/20/2026
Terrence LynchFormer Director	0.85%	69.12K	0.33%	+0	12/31/2025
Jane Street Group, LLC	0.60%	48.36K	0.06%	+16.85K	06/30/2026
Platform Technology Partners, LLC	0.51%	41.12K	0.19%	+0	06/30/2026
UBS Asset Management AG	0.41%	33.41K	0.29%	+26.17K	06/30/2026
Steward Partners Investment Advisory, LLC	0.34%	27.88K	0.27%	+23.50K	06/30/2026
Citadel Advisors LLC	0.20%	15.86K	0.07%	+0	06/30/2026
Marex Group Limited	0.17%	13.44K	0.06%	-32.00	06/30/2026
Mariner, LLC	0.12%	10.00K	0.05%	-59.00	06/30/2026
Lanark Financial, Inc.	0.09%	7.00K	--	+7.00K	06/30/2026
Osaic Wealth, Inc.	0.08%	6.30K	0.03%	-80.00	06/30/2026
First Republic Capital Corp.	0.07%	5.75K	0.03%	+0	12/31/2025
Global Retirement Partners, LLC	0.04%	3.00K	--	+3.00K	06/30/2026
Edward Jones Trust Company	0.01%	1.21K	<0.01%	+509.00	06/30/2026
Ashwini JoshiDirector of Pharmaceutical Development	0.01%	1.00K	<0.01%	+0	12/31/2025
Farther Finance Advisors, LLC	0.01%	1.00K	<0.01%	+0	06/30/2026
Atlantic Union Bankshares Corporation	0.01%	1.00K	<0.01%	+0	06/30/2026