Quantum-Si Inc

QSINASDAQ
$0.7660
0.0050.66%
At close: Sep 4, 5:00 PM EST
$0.7745
0.00851.11%
After Hours: 4:09 PM EST

Quantum-Si Ownership & Insider Activity

Quantum-Si (QSI) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 7.4% of shares outstanding. Institutional investors hold 17.2%. Over the past 90 days, insiders made 4 sales worth $71K.

Shares Outstanding

218.884M

Shares Float

178.342M

Insider Shares Owned

16.217M

Insider % Owned

7.4%

Institutional Shares Held

37.714M

Institutional % Held

17.2%

Ownership Breakdown

Net Insider Activity by Month

Purchases (90d)

0

Sales (90d)

4

$71K total

Net Activity

Net Selling

Net Value (90d)

-$71K

Quantum-Si Insider Transactions (Last 6 Months)

See all insider trades
DateInsiderTitleTypeSharesPriceValue
Jun 22, 2026Christian LaPointeGC & CORP. SECRETARYSELL15.588K$0.93$14K
Jun 22, 2026Jeffry KeyesCHIEF FINANCIAL OFFICERSELL8.233K$0.93$8K