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Quantum-Si Incorporated
QSI
QSI
156 hedge funds and large institutions have $48.9M invested in Quantum-Si Incorporated in 2026 Q1 according to their latest regulatory filings, with 44 funds opening new positions, 39 increasing their positions, 37 reducing their positions, and 19 closing their positions.
New
Increased
Maintained
Reduced
Closed
132% more first-time investments, than exits
New positions opened: 44 | Existing positions closed: 19
74% more call options, than puts
Call options by funds: $1.04M | Put options by funds: $597K
16% more funds holding
Funds holding: 135 → 156 (+21)
5% more repeat investments, than reductions
Existing positions increased: 39 | Existing positions reduced: 37
2.4% less ownership
Funds ownership: 34.52% → 32.12% (-2.4%)
34% less capital invested
Capital invested by funds: $74.3M → $48.9M (-$25.4M)
Holders
156
Holders Change
+21
Holders Change %
+15.56%
% of All Funds
1.92%
Holding in Top 10
–
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
–
New
44
Increased
39
Reduced
37
Closed
19
Calls
$1.04M
Puts
$597K
Net Calls
+$441K
Net Calls Change
+$301K
Top Buyers
| 1 |
AQR Capital Management
Greenwich,
Connecticut
|
+$2.39M |
| 2 |
BlackRock
New York
|
+$374K |
| 3 |
IC
IEQ Capital
Foster City,
California
|
+$371K |
| 4 |
UBS Group
Zurich,
Switzerland
|
+$262K |
| 5 |
IMC Chicago
Chicago,
Illinois
|
+$229K |
Top Sellers
| 1 |
Citadel Advisors
Miami,
Florida
|
-$2.76M |
| 2 |
Two Sigma Investments
New York
|
-$1.38M |
| 3 |
Jane Street
New York
|
-$1.14M |
| 4 |
Northern Trust
Chicago,
Illinois
|
-$982K |
| 5 |
Susquehanna International Group
Bala Cynwyd,
Pennsylvania
|
-$894K |
