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 136 institutions that hold shares in the stock, with a total of 51 Million shares, which have been reported (via 13F filing form) to have a value of $103 Million.
| Holding | Report Date | shares Held | Holding Value (Reported) | Last Trade | Trade History |
|---|---|---|---|---|---|
|
Cathie Wood
Ark Investment Management LLC | St. Petersburg, Fl
|
Feb 04, 2025 Q4 2024 |
8,848,650
shares
|
$17.3 Million
0.21% of portfolio
|
Q4 2024
Reduced 25.28%
|
|
|
Black Rock Inc.
New York, NY |
Aug 13, 2024 Q2 2024 |
7,000,884
shares
|
$13.7 Million
0.0% of portfolio
|
Q2 2024
Reduced 3.2%
|
|
|
Nikko Asset Management Americas, Inc.
|
Feb 10, 2025 Q4 2024 |
5,965,208
shares
|
$11.6 Million
0.18% of portfolio
|
Q4 2024
Reduced 20.76%
|
|
|
Sumitomo Mitsui Trust Holdings, Inc.
|
Jan 28, 2025 Q4 2024 |
5,965,208
shares
|
$11.6 Million
0.01% of portfolio
|
Q4 2024
Reduced 20.97%
|
|
|
Vanguard Group Inc
Valley Forge, PA |
Feb 11, 2025 Q4 2024 |
5,491,753
shares
|
$10.7 Million
0.0% of portfolio
|
Q4 2024
Added 9.02%
|
|
|
Morgan Stanley
New York, NY |
Feb 14, 2025 Q4 2024 |
3,480,468
shares
|
$6.79 Million
0.0% of portfolio
|
Q4 2024
Added 1036.49%
|
|
|
State Street Corp
Boston, MA |
Feb 14, 2025 Q4 2024 |
2,405,019
shares
|
$4.69 Million
0.0% of portfolio
|
Q4 2024
Added 5.99%
|
|
|
Geode Capital Management, LLC
Boston, MA |
Feb 12, 2025 Q4 2024 |
2,368,376
shares
|
$4.62 Million
0.0% of portfolio
|
Q4 2024
Added 2.22%
|
|
|
Susquehanna International Group, LLP
Bala Cynwyd, PA |
Feb 14, 2025 Q4 2024 |
1,002,873
shares
|
$1.96 Million
0.0% of portfolio
|
Q4 2024
Added 2177.76%
|
|
|
Goldman Sachs Group Inc
New York, NY |
Feb 11, 2025 Q4 2024 |
1,002,130
shares
|
$1.95 Million
0.0% of portfolio
|
Q4 2024
Added 313.87%
|
|
|
Northern Trust Corp
Chicago, IL |
Feb 14, 2025 Q4 2024 |
841,146
shares
|
$1.64 Million
0.0% of portfolio
|
Q4 2024
Added 5.0%
|
|
|
Fosun International LTD
|
Feb 14, 2025 Q4 2024 |
743,935
shares
|
$1.45 Million
2.2% of portfolio
|
Q4 2021
Reduced -0.0%
|
|
|
Foresite Capital Opportunity Management V, LLC
Larkspur, CA |
Nov 14, 2022 Q3 2022 |
633,626
shares
|
$1.24 Million
5.23% of portfolio
|
Q2 2022
Reduced 60.35%
|
|
|
Ubs Group Ag
|
Feb 14, 2025 Q4 2024 |
592,112
shares
|
$1.15 Million
0.0% of portfolio
|
Q4 2024
Added 1104.31%
|
|
|
Jim Simons
Renaissance Technologies LLC | New York, Ny
|
Feb 13, 2025 Q4 2024 |
544,956
shares
|
$1.06 Million
0.0% of portfolio
|
Q4 2024
Added 1211.38%
|
|
|
Gsa Capital Partners LLP
London, X0 |
Feb 07, 2025 Q4 2024 |
374,278
shares
|
$729,842
0.07% of portfolio
|
Q4 2024
Added 233.23%
|
|
|
Nuveen Asset Management, LLC
Chicago, IL |
Feb 14, 2025 Q4 2024 |
319,100
shares
|
$622,245
0.0% of portfolio
|
Q4 2024
Reduced 43.53%
|
|
|
Charles Schwab Investment Management Inc
San Francisco, CA |
Feb 06, 2025 Q4 2024 |
308,021
shares
|
$600,640
0.0% of portfolio
|
Q4 2024
Added 32.56%
|
|
|
Simplex Trading, LLC
|
Feb 11, 2025 Q4 2024 |
306,769
shares
|
$598,199
0.03% of portfolio
|
Q4 2024
Added 1057.66%
|
|
|
Knollwood Investment Advisory, LLC
Hunt Valley, MD |
Feb 14, 2025 Q4 2024 |
300,000
shares
|
$585,000
0.08% of portfolio
|
Q1 2023
New holding
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
Feb 14, 2025 Q4 2024 |
296,100
shares
|
$577,395
0.02% of portfolio
|
Q4 2024
Reduced 27.19%
|
|
|
Xtx Topco LTD
London, X0 |
Feb 13, 2025 Q4 2024 |
245,585
shares
|
$478,890
0.06% of portfolio
|
Q4 2024
Added 460.54%
|
|
|
Shay Capital LLC
New York, NY |
Feb 14, 2025 Q4 2024 |
216,546
shares
|
$422,264
0.1% of portfolio
|
Q4 2024
Added 56.72%
|
|
|
Guggenheim Capital LLC
Chicago, IL |
Feb 13, 2025 Q4 2024 |
199,999
shares
|
$389,998
0.0% of portfolio
|
Q4 2024
Reduced 17.51%
|
|
|
Green Alpha Advisors, LLC
|
Jan 13, 2025 Q4 2024 |
158,858
shares
|
$309,773
0.38% of portfolio
|
Q4 2024
Reduced 9.25%
|