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Quantum Si shares owned by Red Reef Advisors

Quarter-by-quarter ownership of Quantum Si (QSI) shares owned by Red Reef Advisors from 13F filings

Historical chart of Red Reef Advisors investment in Quantum Si

Tip: Access up to 7 years of quarterly data

All positions including Quantum Si held by Red Reef Advisors consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Quantum Si by Red Reef Advisors

Quarter filed Position value Share count Share price at filing
2026-03-31 $7.7k 10k 0.77
2025-12-31 $11k 10k 1.10

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Top funds holding Quantum Si

BlackRock
Vanguard Group
Vanguard Capital Management
ARK Investment Management
Sumitomo Mitsui Trust Holdings
Nikko Asset Management Americas
Geode Capital Management
State Street Corporation
Susquehanna International
AQR Capital Management
Northern Trust
UBS Group
Vanguard Portfolio Management
Vanguard Fiduciary Trust
Fosun International

View all funds holding Quantum Si