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Quantum Si shares owned by Vanguard Global Advisers

Quarter-by-quarter ownership of Quantum Si (QSI) shares owned by Vanguard Global Advisers from 13F filings

Historical chart of Vanguard Global Advisers investment in Quantum Si

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All positions including Quantum Si held by Vanguard Global Advisers consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Quantum Si by Vanguard Global Advisers

Quarter filed Position value Share count Share price at filing
2026-03-31 $66k 85k 0.77

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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

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