Quantum-si 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 filed an amendment to its Schedule 13G, reporting a 4.77% beneficial ownership stake in Quantum-Si Inc. common stock.
NASDAQ
The Vanguard Group has reported a 5.3% beneficial ownership stake in Quantum-Si Inc's common stock as of June 30, 2025, held for investment purposes.
NASDAQ
SCHEDULE 13G/A: ARK Investment Management and Catherine Wood Reduce Stake in Quantum-Si Inc. Below 5%
ARK Investment Management LLC and its CEO, Catherine D. Wood, have reduced their beneficial ownership in Quantum-Si Inc. to 4.77% of the common stock, as disclosed in an Amendment No. 8 to their Schedule 13G filing.
NASDAQ
SCHEDULE 13G/A: ARK Investment Management and Catherine Wood Maintain Significant Stake in Quantum-Si Inc.
ARK Investment Management LLC and Catherine D. Wood have filed an Amendment No. 7 to their Schedule 13G, reporting a continued beneficial ownership of 5.34% in Quantum-Si Inc.'s Common Stock as of March 31, 2025.
NASDAQ
ARK Investment Management LLC has filed an amended Schedule 13G, reporting a 7.21% beneficial ownership stake in Quantum-Si Inc. as of December 31, 2024.
NASDAQ
SCHEDULE 13G/A: Nikko Asset Management Americas Amends Stake in Quantum-Si Inc., Reports 4.85% Beneficial Ownership
Nikko Asset Management Americas, Inc. has filed an amendment to its Schedule 13G, disclosing a 4.85% beneficial ownership stake in Quantum-Si Inc.'s Class A common stock as of December 31, 2024.
NASDAQ
SCHEDULE 13G/A: Sumitomo Mitsui Trust Group and Nikko Asset Management Disclose Passive Stake in Quantum-Si Incorporated
Sumitomo Mitsui Trust Group, Inc. and Nikko Asset Management Co., Ltd. have jointly disclosed a passive beneficial ownership of 4.8% in Quantum-Si Incorporated's Class A common stock.
NASDAQ
ARK Investment Management LLC has filed an amended Schedule 13G, revealing a beneficial ownership of 9.67% in Quantum-Si Inc's common stock as of September 30, 2024.