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

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Shareholder Type

Public and others77.95%
Institutions9.85%
Hedge funds6.32%
VC/PE firms5.11%
Individuals & Insiders0.78%

Major Shareholders

Major Shareholders Latest
Shareholder
Two Seas Capital LP	6.32%	2.49M	--	+2.49M	06/30/2026
Brookfield Corporation	5.11%	2.01M	--	+2.01M	06/30/2026
Neuberger Berman Investment Advisers LLC	2.23%	878.39K	--	+878.39K	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
BlackRock, Inc.	0.69%	273.03K	0.79%	+55.50K	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
Blue Torch Capital LP	0.34%	135.76K	0.62%	+0	02/14/2025
Cygnus Capital Advisors, LLC	0.31%	124.09K	0.18%	+54.66K	03/31/2026
Walleye Capital LLC	0.30%	120.04K	--	+120.04K	06/30/2026
James LernerFormer Chairman, President & CEO	0.28%	110.85K	0.50%	+0	10/20/2025
Centiva Capital, LP	0.25%	100.00K	--	+100.00K	06/30/2026
KKM Financial LLC	0.22%	88.49K	--	+88.49K	04/30/2026
State Street Investment Management	0.19%	75.91K	0.30%	+3.10K	06/30/2026
Sona Asset Management Limited	0.18%	70.09K	--	+70.09K	03/31/2026
The Informed Momentum Company LLC	0.16%	64.86K	--	+64.86K	06/30/2026
UBS Asset Management AG	0.12%	46.11K	0.56%	-52.96K	06/30/2026
Hugues MeyrathPresident, CEO & Director	0.11%	43.47K	0.06%	+18.77K	07/02/2026
Northern Trust Global Investments	0.08%	33.22K	0.11%	+4.46K	06/30/2026