// company-profile
Quantum-Si Inc
QSIExchangeNasdaqSectorMeasuring & Controlling Devices, NECInc.DEFilings88Insiders16
// api This Quantum-Si Inc insider-trading data is served live by the Form4API insider trading API. Get the same data via API.
// activity-summary
No insider transactions in the last 30 days.
// 90-day insight
Over the last 90 days, Quantum-Si Inc insiders bought $0 (9 transactions) and sold $242K (4 transactions).
- Most active insider: Hawkins Jeffrey Alan with 2 transactions totaling $168K.
- Largest single sale: $84K by Hawkins Jeffrey Alan on Apr 20, 2026.
Activity skews bullish — buys outpace sales.
Institutional Ownership
Top 13F-HR holders of Quantum-Si Inc as of 2026-03-31
Total reported AUM
$47.3M
QoQ change
-22.8%
Reporting period
2026-03-31
#1
BlackRock, Inc.
CIK 2012383
$6.0M
7.7M shares
#2
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
$5.4M
7.0M shares
#3
ARK Investment Management LLC
CIK 1697748
$5.3M
6.9M shares
Data source: SEC Form 13F-HR filings. Joined with insider activity above — see who's loading up institutionally while insiders are trading. Full 13F-HR API →
Insider Transactions
Sourced from SEC EDGAR Form 4 filings. Updated hourly.
| Date | Insider | Company | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| May 18, 2026 | Kenny John P. | QSI | Award | 251,185 | $0.00 | $0K |
| May 18, 2026 | Mendel Scott | QSI | Award | 251,185 | $0.00 | $0K |
| May 18, 2026 | Kummeth Charles R. | QSI | Award | 251,185 | $0.00 | $0K |
| May 18, 2026 | Dowdy Paula | QSI | Award | 251,185 | $0.00 | $0K |
| May 18, 2026 | Fattori Ruth A | QSI | Award | 251,185 | $0.00 | $0K |
45 more transactions hidden
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