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

Shareholder Type

Public and others62.16%
Institutions18.17%
Hedge funds13.05%
VC/PE firms5.10%
Individuals & Insiders1.51%

Major Shareholders

Major Shareholders Latest
Shareholder
Alyeska Investment Group, L.P.	6.73%	2.65M	--	+2.65M	06/30/2026
Two Seas Capital LP	6.31%	2.49M	--	+2.49M	06/30/2026
Brookfield Corporation	5.10%	2.01M	--	+2.01M	06/30/2026
Ashford Capital Management Inc	2.64%	1.04M	--	+1.04M	06/30/2026
Portolan Capital Management, LLC	2.59%	1.02M	2.59%	+1.02M	06/30/2026
Neuberger Berman Investment Advisers LLC	2.23%	878.39K	0.73%	-284.93K	07/01/2026
Marshall Wace LLP	1.81%	713.08K	1.55%	+675.55K	06/30/2026
Vanguard Capital Management, LLC	1.76%	694.67K	2.47%	+75.13K	06/30/2026
Manatuck Hill Partners, LLC	0.89%	350.00K	--	+350.00K	06/30/2026
BlackRock, Inc.	0.69%	273.03K	0.79%	+55.50K	06/30/2026
Hugues MeyrathPresident, CEO & Director	0.53%	207.01K	0.46%	+182.31K	07/20/2026
Cinctive Capital Management LP	0.46%	182.77K	--	+182.77K	06/30/2026
Geode Capital Management, LLC	0.42%	164.60K	0.67%	+5.42K	06/30/2026
Renaissance Technologies LLC	0.39%	154.52K	--	+154.52K	06/30/2026
Sona Asset Management Limited	0.38%	150.00K	0.10%	+79.91K	06/30/2026
Bank of America Corporation	0.38%	149.66K	0.38%	+149.66K	06/30/2026
Blue Torch Capital LP	0.34%	135.76K	0.58%	+0	02/14/2025
Walleye Capital LLC	0.30%	120.04K	--	+120.04K	06/30/2026
James LernerFormer Chairman, President & CEO	0.29%	114.90K	0.01%	+4.05K	07/20/2026
Raymond James Financial, Inc.	0.26%	103.84K	--	+103.84K	06/30/2026