Mark Sheptoff Financial Planning, LLC Quantum Si Inc Transaction History
Mark Sheptoff Financial Planning, LLC
- $197 Million
- Q3 2025
A detailed history of Mark Sheptoff Financial Planning, LLC transactions in Quantum Si Inc stock. As of the latest transaction made, Mark Sheptoff Financial Planning, LLC holds 10,500 shares of QSI stock, worth $14,910. This represents 0.01% of its overall portfolio holdings.
Number of Shares
10,500
Previous 14,500
27.59%
Holding current value
$14,910
Previous $28,000
50.0%
% of portfolio
0.01%
Previous 0.02%
Shares
3 transactions
Others Institutions Holding QSI
# of Institutions
144Shares 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...