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Quantum Si shares owned by Essential Partners

Quarter-by-quarter ownership of Quantum Si (QSI) shares owned by Essential Partners from 13F filings

Historical chart of Essential Partners investment in Quantum Si

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All positions including Quantum Si held by Essential Partners consolidated in one spreadsheet with up to 7 years of data

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Quarterly reported holdings in Quantum Si by Essential Partners

Quarter filed Position value Share count Share price at filing
2026-03-31 $12k 15k 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

View all funds holding Quantum Si