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QSIQSI
1 quarters

Position history for VPVANGUARD PORTFOLIO MANAGEMENT LLC's holdings in QUANTUM SI INC

VANGUARD PORTFOLIO MANAGEMENT LLC holds 1.5M shares of QSI (QUANTUM SI INC), worth $1.2M as of 2026-Q1. This is a new position. QSI represents 0.0% of VANGUARD PORTFOLIO MANAGEMENT LLC's portfolio.

Current Value

$1.2M

Current Shares

1.5M

Total Value Change

$0

Total Shares Change

0

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
New
1.5M
-
$1.2M0.0%$0.95
35

Other major holders of QSI: ARK Investment Management LLC, GLENVIEW CAPITAL MANAGEMENT, LLC

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