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 143 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 |
|---|---|---|---|---|---|
|
Kestra Advisory Services, LLC
|
Nov 13, 2025 Q3 2025 |
10,090
shares
|
$14,327
0.0% of portfolio
|
Q3 2025
Reduced 0.41%
|
|
|
Glen Eagle Advisors, LLC
Kingston, NJ |
Nov 14, 2025 Q3 2025 |
10,000
shares
|
$14,200
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Tria Gen Wealth Management LLC
|
Oct 22, 2025 Q3 2025 |
10,000
shares
|
$14,200
0.0% of portfolio
|
Q3 2023
New holding
|
|
|
California State Teachers Retirement System
West Sacramento, CA |
Nov 14, 2025 Q3 2025 |
8,807
shares
|
$12,505
0.0% of portfolio
|
Q3 2025
Added 0.07%
|
|
|
Wolverine Asset Management LLC
|
Oct 28, 2025 Q3 2025 |
7,825
shares
|
$11,111
0.0% of portfolio
|
Q3 2025
Reduced 52.58%
|
|
|
Principal Securities, Inc.
Des Moines, IA |
Nov 12, 2025 Q3 2025 |
6,641
shares
|
$9,430
0.0% of portfolio
|
Q2 2025
Added 35.2%
|
|
|
Amalgamated Bank
New York, NY |
Oct 29, 2025 Q3 2025 |
4,142
shares
|
$5,881
0.0% of portfolio
|
Q1 2025
Added 30.66%
|
|
|
Mtm Investment Management, LLC
Spartanburg, SC |
Nov 03, 2025 Q3 2025 |
4,125
shares
|
$5,857
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
N.E.W. Advisory Services LLC
|
Oct 27, 2025 Q3 2025 |
3,854
shares
|
$5,472
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Pinney & Scofield, Inc.
Cambridge, MA |
Nov 12, 2025 Q3 2025 |
3,680
shares
|
$5,225
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Cwm, LLC
|
Oct 15, 2025 Q3 2025 |
2,156
shares
|
$3,061
0.0% of portfolio
|
Q3 2025
Reduced 75.81%
|
|
|
Archer Investment Corp
|
Nov 03, 2025 Q3 2025 |
2,000
shares
|
$2,840
0.0% of portfolio
|
Q3 2024
Reduced 41.16%
|
|
|
Talon Private Wealth, LLC
The Villages, FL |
Aug 14, 2025 Q2 2025 |
2,000
shares
|
$2,840
0.0% of portfolio
|
Q2 2025
New holding
|
|
|
Tucker Asset Management LLC
Littleton, CO |
Feb 12, 2025 Q4 2024 |
1,470
shares
|
$2,087
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Belvedere Trading LLC
|
Oct 27, 2025 Q3 2025 |
1,390
shares
|
$1,973
0.0% of portfolio
|
Q3 2025
Reduced 80.75%
|
|
|
Advisor Group Holdings, Inc.
Phoenix, AZ |
Nov 14, 2025 Q3 2025 |
1,220
shares
|
$1,732
0.0% of portfolio
|
Q3 2025
Reduced 3.02%
|
|
|
Optiver Holding B.V.
Amsterdam, P7 |
Nov 10, 2025 Q3 2025 |
1,118
shares
|
$1,587
0.0% of portfolio
|
Q3 2025
New holding
|
|
|
Allworth Financial LP
|
Dec 02, 2025 Q3 2025 |
851
shares
|
$1,208
0.0% of portfolio
|
Q3 2025
Added 1.79%
|
|
|
Td Waterhouse Canada Inc.
Toronto, A6 |
Nov 03, 2025 Q3 2025 |
800
shares
|
$1,136
0.0% of portfolio
|
Q4 2024
Added 166.67%
|
|
|
Johnson Midwest Financial, LLC
|
Nov 07, 2023 Q3 2023 |
770
shares
|
$1,093
0.0% of portfolio
|
Q3 2022
New holding
|
|
|
Nisa Investment Advisors, LLC
|
Oct 23, 2025 Q3 2025 |
608
shares
|
$863
0.0% of portfolio
|
Q3 2025
Reduced 54.08%
|
|
|
American Portfolios Advisors
Holbrook, NY |
Mar 17, 2023 Q3 2022 |
450
shares
|
$639
0.0% of portfolio
|
Q3 2021
Added 677.78%
|
|
|
Ever Source Wealth Advisors, LLC
|
Nov 10, 2025 Q3 2025 |
427
shares
|
$606
0.0% of portfolio
|
Q3 2025
Reduced 48.43%
|
|
|
Bangor Savings Bank
Bangor, ME |
Oct 27, 2025 Q3 2025 |
400
shares
|
$568
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Atlantic Union Bankshares Corp
|
Nov 04, 2025 Q3 2025 |
251
shares
|
$356
0.0% of portfolio
|
Q3 2025
New holding
|
|