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Vanguard Personalized Indexing Management, LLC

Position in QSI — Quantum-Si Inc

CIK 1767306 OAKLAND, CA

Position in QSI

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$18,009
-$560 QoQ
Shares Held
20,350
-15.2% QoQ
Ownership
0.009%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#79
of 141 holders
Holding Since
Sep 2024
8 quarters on record
Voting authority Sole 89% Shared 0% None 11%

Common Shares in QSI Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Jun 30, 2026

Vanguard Personalized Indexing Management, LLC holds $88,582,818 across 37 Medical Devices names. QSI ranks #36 (0.0% of the industry book) .

# Ticker Company Shares Value (USD) Open

All Filings in QSI

Export CSV
8 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $18,009 20,350
2026-03-31 $18,569 23,991
2025-12-31 $26,178 23,799
2025-09-30 $35,522 25,193
2025-06-30 $47,218 24,091
2025-03-31 $28,172 23,477
2024-12-31 $53,851 19,945
2024-09-30 $14,405 16,333