Quantum Computing INC Schedule 13G passive stakes
Filed when an investor crosses five percent without intending to seek control — the passive counterpart to a 13D.
NASDAQ
The Vanguard Group has reported zero beneficial ownership in Quantum Computing Inc. following an internal realignment, disaggregating its reporting.
NASDAQ
The Vanguard Group updated its beneficial ownership in Quantum Computing Inc., reporting a 7.51% stake as of December 31, 2025.
NASDAQ
SCHEDULE 13G/A: BlackRock Reports 6.7% Stake in Quantum Computing Inc.
BlackRock, Inc. has disclosed a 6.7% beneficial ownership stake in Quantum Computing Inc., holding over 15 million common shares as of December 31, 2025.
NASDAQ
SCHEDULE 13G: BlackRock Discloses 5.4% Stake in Quantum Computing Inc.
BlackRock, Inc. has disclosed a 5.4% beneficial ownership stake in Quantum Computing Inc., holding over 10 million shares of common stock.
NASDAQ
Citadel Advisors and affiliated entities, including Kenneth Griffin, have disclosed a combined beneficial ownership of 4.9% in Quantum Computing Inc. common stock.
NASDAQ
The Vanguard Group has reported a 6.39% beneficial ownership stake in Quantum Computing Inc., holding 9,911,091 shares of common stock as of June 30, 2025.