Simplex Trading, LLC Quantum Si Inc Transaction History
Simplex Trading, LLC
- $195 Billion
- Q3 2025
A detailed history of Simplex Trading, LLC transactions in Quantum Si Inc stock. As of the latest transaction made, Simplex Trading, LLC holds 154,083 shares of QSI stock, worth $218,797. This represents 0.0% of its overall portfolio holdings.
Number of Shares
154,083
Previous 105,534
46.0%
Holding current value
$218,797
Previous $206,000
5.34%
% of portfolio
0.0%
Previous 0.0%
Shares
10 transactions
Others Institutions Holding QSI
# of Institutions
143Shares Held
60.8MCall Options Held
1.69MPut Options Held
931K-
Vanguard Group Inc Valley Forge, PA8.71MShares$12.4 Million0.0% of portfolio
-
Cathie Wood Ark Investment Management LLC | St. Petersburg, Fl7.62MShares$10.8 Million0.08% of portfolio
-
Black Rock Inc. New York, NY7MShares$9.94 Million0.0% of portfolio
-
Sumitomo Mitsui Trust Holdings, Inc.5.22MShares$7.41 Million0.0% of portfolio
-
Nikko Asset Management Americas, Inc.5.22MShares$7.41 Million0.08% of portfolio
About Quantum-Si Inc
- Ticker QSI
- Exchange NASDAQ
- Sector Healthcare
- Industry Biotechnology
- Shares Outstandng 119,433,000
- Market Cap $170M
- Description
- Quantum-Si incorporated, a life sciences company, develops a single molecule detection platform for sample preparation and sequencing. It offers a proprietary single molecule detection platform for use in semiconductor industry to field proteomics to enable next generation protein sequencing. The company was incorporated in 2013 is based in Guil...