Quantum-Si Inc (QSI) stock: price, suppliers, customers and institutional ownership
Prices via Intrinio. Supplier and customer ties are extracted from SEC filings and carry the sentence they came from. Not investment advice.
Prices via Intrinio. Supplier and customer ties are extracted from SEC filings and carry the sentence they came from. Not investment advice.
Quantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing. It offers a proprietary single molecule detection platform for use in semiconductor industry to field proteomics to enable next generation protein sequencing. The company was incorporated in 2013 is based in Guilford, Connecticut.
the bull case· 2
6
disclosed supplier and customer ties in SEC filings
sec filingsedgar8 of 8
recent reports where the move came in under the options implied range
earnings historyimplied vs realizedthe bear case· 2
10 of 21
of the largest reporting managers cut their stake in the latest quarter
13fJun 30 '2612
managers whose positions together make up four fifths of the reported value
13fJun 30 '26Sides and captions by the model; every figure is ours. Built Sep 16 '26 for the Nov 9 '26 report. Not a forecast, not advice.
Of the 6 companies Quantum-Si Inc moves with most closely, none share its SEC classification.
Measured against 134 trading days of our own closes. Co-movement, not cause.
SIC 3829, Measuring & Controlling Devices, NEC, from each company's own filings. Largest first.
Quantum-Si Inc
Price, suppliers and customers from SEC filings, institutional ownership and the next report.
Nasdaq · Measuring & Controlling Devices, NEC
High 0.77 at 7:15 am ET, low 0.75 at 4:15 pm ET.
tall tick = annual report · 1 on record
QSI (Quantum-Si Inc) has 5 disclosed suppliers and 1 disclosed customers, strongest disclosure first.
Suppliers:
Customers:
Select a tie for its filing sentence; select again to open the company. Nearer the centre, the more the filings disclose. Extended: satellites hang off single companies, not bundled sectors.
140 managers report a position worth $47.7M between them, and 12 of them hold 80% of it.