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 |
|---|---|---|---|---|---|
|
Invesco Ltd.
Atlanta, GA |
Nov 13, 2025 Q3 2025 |
295,728
shares
|
$419,933
0.0% of portfolio
|
Q3 2025
Added 51.31%
|
|
|
Alliancebernstein L.P.
New York, NY |
Nov 14, 2025 Q3 2025 |
272,180
shares
|
$386,495
0.0% of portfolio
|
Q2 2025
Added 147.03%
|
|
|
Morgan Stanley
New York, NY |
Nov 14, 2025 Q3 2025 |
271,000
shares
|
$384,820
0.0% of portfolio
|
Q3 2025
Reduced 6.52%
|
|
|
Bridgeway Capital Management, LLC
Houston, TX |
Nov 14, 2025 Q3 2025 |
261,100
shares
|
$370,762
0.01% of portfolio
|
Q3 2025
Added 33.15%
|
|
|
Barclays PLC
London, X0 |
Nov 12, 2025 Q3 2025 |
221,210
shares
|
$314,118
0.0% of portfolio
|
Q3 2025
Reduced 7.44%
|
|
|
Rhumbline Advisers
Boston, MA |
Nov 06, 2025 Q3 2025 |
219,965
shares
|
$312,350
0.0% of portfolio
|
Q3 2025
Added 7.84%
|
|
|
Green Alpha Advisors, LLC
|
Oct 14, 2025 Q3 2025 |
216,032
shares
|
$306,765
0.36% of portfolio
|
Q3 2025
Reduced 5.39%
|
|
|
Iq Eq Fund Management (Ireland) LTD
|
Nov 05, 2025 Q3 2025 |
189,174
shares
|
$268,627
0.02% of portfolio
|
Q3 2025
Added 61.93%
|
|
|
Imc Chicago, LLC
|
Nov 04, 2025 Q3 2025 |
185,117
shares
|
$262,866
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Pathstone Holdings, LLC
Englewood, NJ |
Nov 13, 2025 Q3 2025 |
183,934
shares
|
$261,186
0.0% of portfolio
|
Q3 2025
Reduced 7.48%
|
|
|
Verdence Capital Advisors LLC
Hunt Valley, MD |
Oct 29, 2025 Q3 2025 |
163,830
shares
|
$232,638
0.01% of portfolio
|
Q3 2025
New holding
|
|
|
Shay Capital LLC
New York, NY |
Nov 14, 2025 Q3 2025 |
154,572
shares
|
$219,492
0.02% of portfolio
|
Q3 2025
Added 19.24%
|
|
|
Simplex Trading, LLC
|
Nov 12, 2025 Q3 2025 |
154,083
shares
|
$218,797
0.0% of portfolio
|
Q3 2025
Added 46.0%
|
|
|
Xtx Topco LTD
London, X0 |
Nov 14, 2025 Q3 2025 |
150,532
shares
|
$213,755
0.01% of portfolio
|
Q3 2025
Added 223.91%
|
|
|
Wells Fargo & Company
San Francisco, CA |
Nov 13, 2025 Q3 2025 |
135,950
shares
|
$193,049
0.0% of portfolio
|
Q3 2025
Added 33.66%
|
|
|
Deutsche Bank Ag\
Frankfurt Am Main, 2M |
Nov 13, 2025 Q3 2025 |
112,084
shares
|
$159,159
0.0% of portfolio
|
Q3 2025
Added 13.75%
|
|
|
Alpha Core Capital LLC
La Jolla, CA |
Nov 10, 2025 Q3 2025 |
102,850
shares
|
$146,047
0.01% of portfolio
|
Q3 2025
Added 22.51%
|
|
|
Jones Financial Companies Lllp
|
Nov 04, 2025 Q3 2025 |
93,500
shares
|
$132,770
0.0% of portfolio
|
Q3 2025
Added 99.36%
|
|
|
Price T Rowe Associates Inc
Baltimore, MD |
Nov 14, 2025 Q3 2025 |
92,034
shares
|
$130,688
0.0% of portfolio
|
Q3 2025
Reduced 23.63%
|
|
|
Aqr Capital Management LLC
Greenwich, CT |
Nov 14, 2025 Q3 2025 |
83,824
shares
|
$119,030
0.0% of portfolio
|
Q3 2025
Reduced 31.12%
|
|
|
Intech Investment Management LLC
West Palm Beach, FL |
Nov 10, 2025 Q3 2025 |
74,761
shares
|
$106,160
0.0% of portfolio
|
Q3 2025
Reduced 15.52%
|
|
|
Mirae Asset Global Etfs Holdings Ltd.
Central, K3 |
Nov 14, 2025 Q3 2025 |
72,976
shares
|
$103,625
0.0% of portfolio
|
Q3 2025
Reduced 5.49%
|
|
|
Met Life Investment Management, LLC
Whippany, NJ |
Nov 13, 2025 Q3 2025 |
64,568
shares
|
$91,686
0.0% of portfolio
|
Q3 2025
Reduced 16.49%
|
|
|
Jpmorgan Chase & CO
New York, NY |
Nov 26, 2025 Q3 2025 |
63,280
shares
|
$89,857
0.0% of portfolio
|
Q3 2025
Added 9.76%
|
|
|
Callan Capital, LLC
La Jolla, CA |
Apr 29, 2025 Q1 2025 |
60,950
shares
|
$86,549
0.01% of portfolio
|
Q1 2025
Added 464.35%
|
|