Quantum-Si
QSI | NASDAQ
$0.76
$0 (+0.54%)
Sep 22, 2026, 11:59 AM ET · Market open
Institutional Ownership
Net OutflowTotal Institutions
164
Total Ownership
29.16%
Capital Flow
-$25.34M
Shares Change
-4.38M
Ownership Distribution
Institutions (29.16%)
Others (70.84%)
Institutional Sentiment
Overall: bullishEquity Sentiment & Activity
bullishNew Positions
44
Increased Positions
83
Reduced Positions
37
Closed Positions
24
New (44)
Increased (83)
Reduced (37)
Closed (24)
Options Sentiment & Activity
bullishPut/Call Ratio
0.649
Call Flow
610,900
Put Flow
396,600
Calls (61%)
Puts (39%)
Super Investors
| Super Investor / Fund | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Renaissance Technologies LLC | 0.26% +369.78% | < 0.01% | 553.87K | 420.94K | |
| Point72 Asset Management LP | 0.02% 0.00% | < 0.01% | 39.13K | 29.74K |
Top Shareholders
| Institution | Ownership | Portfolio Weight | Shares | Market Value | |
|---|---|---|---|---|---|
| Blackrock, Inc. | 6.20% -6.12% | < 0.01% -25.26% | 13.41M +2.76% | 10.38M -27.69% | |
| Vanguard Capital Management LLC | 3.24% +100.00% | < 0.01% +100.00% | 7.02M +100.00% | 5.43M +100.00% | |
| Ark Investment Management LLC | 3.18% -10.50% | 0.04% -19.23% | 6.88M -2.03% | 5.32M -31.07% |
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