Institutional Ownership Quantum Si Inc (QSI)
This table provides information about the institutional ownership of Quantum Si Inc (QSI). We have compiled data on the 144 institutions that hold shares in the stock, with a total of 60.8 Million shares, which have been reported (via 13F filing form) to have a value of $86.4 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Planning Capital Management Corp
Paoli, PA |
Nov 06, 2024 Q3 2024 |
115
shares
|
$163
0.0% of portfolio
|
Q2 2024
New holding
|
|
|
Srs Capital Advisors, Inc.
Denver, CO |
Nov 14, 2025 Q3 2025 |
104
shares
|
$147
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Fsa Wealth Management LLC
Needham, MA |
Nov 17, 2025 Q3 2025 |
100
shares
|
$142
0.0% of portfolio
|
Q4 2023
Reduced 99.1%
|
|
|
Capital Advisors, Ltd. LLC
|
Oct 16, 2025 Q3 2025 |
58
shares
|
$82
0.0% of portfolio
|
Q2 2025
Reduced 3.33%
|
|
|
Federation Des Caisses Desjardins Du Quebec
Levis, A8 |
Nov 14, 2025 Q3 2025 |
50
shares
|
$71
0.0% of portfolio
|
Q1 2025
Reduced 99.19%
|
|
|
Concourse Financial Group Securities, Inc.
Birmingham, AL |
Aug 12, 2025 Q2 2025 |
0
shares
|
$0
100.0% of portfolio
|
Q2 2025
New holding
|