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 148 institutions that hold shares in the stock, with a total of 54.4 Million shares, which have been reported (via 13F filing form) to have a value of $65.3 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|
Sg Americas Securities, LLC
|
Apr 15, 2025 Q1 2025 |
40,079
shares
|
$48,094
0.0% of portfolio
|
Q1 2025
Reduced 40.7%
|
|
|
Cambridge Investment Research Advisors, Inc.
|
Apr 22, 2025 Q1 2025 |
38,867
shares
|
$46,640
0.0% of portfolio
|
Q4 2024
Reduced 19.4%
|
|
|
Manufacturers Life Insurance Company, The
Toronto, A6 |
May 15, 2025 Q1 2025 |
38,518
shares
|
$46,221
0.0% of portfolio
|
Q1 2025
Added 10.53%
|
|
|
Russell Investments Group, Ltd.
|
May 13, 2025 Q1 2025 |
38,257
shares
|
$45,908
0.0% of portfolio
|
Q1 2025
Added 322.59%
|
|
|
Red Wave Investments LLC
Dillsburg, PA |
May 01, 2025 Q1 2025 |
37,000
shares
|
$44,400
0.02% of portfolio
|
Q3 2021
New holding
|
|
|
State Of Wisconsin Investment Board
Madison, WI |
Feb 14, 2025 Q4 2024 |
36,330
shares
|
$43,596
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Sanctuary Advisors, LLC
Indianapolis, IN |
Jan 31, 2025 Q4 2024 |
35,243
shares
|
$42,291
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Virtu Financial LLC
New York, NY |
May 12, 2025 Q1 2025 |
34,830
shares
|
$41,796
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Captrust Financial Advisors
Raleigh, NC |
May 14, 2025 Q1 2025 |
34,583
shares
|
$41,499
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Mariner, LLC
Overland Park, KS |
Feb 13, 2025 Q4 2024 |
33,439
shares
|
$40,126
0.0% of portfolio
|
Q4 2024
Added 29.11%
|
|
|
Sei Investments CO
Oaks, PA |
May 14, 2025 Q1 2025 |
33,103
shares
|
$39,723
0.0% of portfolio
|
Q2 2024
Reduced 4.6%
|
|
|
Police & Firemen'S Retirement System Of New Jersey
Trenton, NJ |
May 09, 2025 Q1 2025 |
31,134
shares
|
$37,360
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Mercer Global Advisors Inc
Denver, CO |
Feb 14, 2025 Q4 2024 |
30,959
shares
|
$37,150
0.0% of portfolio
|
Q4 2024
New holding
|
|
|
Voya Investment Management LLC
Atlanta, GA |
Feb 14, 2025 Q4 2024 |
30,863
shares
|
$37,035
0.0% of portfolio
|
Q4 2024
Reduced 15.41%
|
|
|
Atom Investors LP
Austin, TX |
May 15, 2025 Q1 2025 |
30,172
shares
|
$36,206
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Cibc World Markets Corp
New York, NY |
May 13, 2025 Q1 2025 |
26,667
shares
|
$32,000
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
New York State Common Retirement Fund
|
May 01, 2025 Q1 2025 |
26,084
shares
|
$31,300
0.0% of portfolio
|
Q2 2024
Added 0.39%
|
|
|
Pathstone Family Office, LLC
Englewood, NJ |
Nov 08, 2023 Q3 2023 |
26,039
shares
|
$31,246
0.0% of portfolio
|
Q3 2023
New holding
|
|
|
Pro Share Advisors LLC
|
May 08, 2025 Q1 2025 |
26,016
shares
|
$31,219
0.0% of portfolio
|
Q1 2025
Reduced 7.76%
|
|
|
Hbw Advisory Services LLC
|
Apr 09, 2025 Q1 2025 |
24,243
shares
|
$29,091
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Vanguard Personalized Indexing Management, LLC
Oakland, CA |
May 13, 2025 Q1 2025 |
23,477
shares
|
$28,172
0.0% of portfolio
|
Q1 2025
Added 17.71%
|
|
|
West Hill Financial Advisors, Inc.
|
Apr 21, 2025 Q1 2025 |
21,727
shares
|
$26,072
0.01% of portfolio
|
Q1 2025
New holding
|
|
|
Tower Research Capital LLC (Trc)
New York, NY |
May 15, 2025 Q1 2025 |
21,026
shares
|
$25,231
0.0% of portfolio
|
Q1 2025
Reduced 9.94%
|
|
|
Lpl Financial LLC
Fort Mill, SC |
May 07, 2025 Q1 2025 |
20,112
shares
|
$24,134
0.0% of portfolio
|
Q1 2025
New holding
|
|
|
Cibc World Market Inc.
Toronto, A6 |
May 14, 2025 Q1 2025 |
20,011
shares
|
$24,013
0.0% of portfolio
|
Q1 2025
New holding
|