Quantum-Si Inc
QSI1.575USD
-0.075-4.55%
Close 11/07, 16:00（ET）Quotes delayed by 15 min
290.26MMarket Cap
LossP/E TTM
More Details of Quantum-Si Inc Company
Quantum-SI Incorporated is a life sciences company. The Company has designed and developed a hardware, consumable and software solution to provide a solution for protein detection and analysis. It has developed a proprietary universal single-molecule detection platform enables Next-Generation Protein Sequencing (NGPS), the ability to sequence proteins. Its launched product consists of Platinum, the Platinum Analysis Software and consumables. Its flagship protein sequencing instrument, Platinum, is designed to make the power of single-molecule detection and NGPS accessible. Platinum is designed to provide a streamlined workflow compared to legacy MS workflows. Platinum uses its proprietary semiconductor chip that leverages time-domain sequencing with an initial focus on NGPS for an unbiased view of the proteome.
Quantum-Si Inc Info
Ticker SymbolQSI
Company nameQuantum-Si Inc
IPO dateSep 04, 2020
CEOMr. Jeffrey Alan (Jeff) Hawkins
Number of employees143
Security typeOrdinary Share
Fiscal year-endSep 04
Address29 Business Park Drive
CityBRANFORD
Stock exchangeNASDAQ Global Market Consolidated
CountryUnited States of America
Postal code06405
Phone12034587100
Websitehttps://www.quantum-si.com/
Ticker SymbolQSI
IPO dateSep 04, 2020
CEOMr. Jeffrey Alan (Jeff) Hawkins
Company Executives of Quantum-Si Inc
Name
Name/Position
Position
Shareholding
Change
Mr. Kevin L. Rakin
Mr. Kevin L. Rakin
Independent Director
Independent Director
2.92M
+0.23%
Mr. Jeffrey Alan (Jeff) Hawkins
Mr. Jeffrey Alan (Jeff) Hawkins
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
1.89M
-1.12%
Mr. Jeffry R. (Jeff) Keyes
Mr. Jeffry R. (Jeff) Keyes
Chief Financial Officer, Treasurer
Chief Financial Officer, Treasurer
911.71K
-0.84%
Dr. Christian LaPointe, Ph.D.
Dr. Christian LaPointe, Ph.D.
General Counsel, Corporate Secretary
General Counsel, Corporate Secretary
843.69K
-1.26%
Mr. Todd C. Bennett
Mr. Todd C. Bennett
Chief Commercial Officer
Chief Commercial Officer
681.52K
-5.14%
Mr. Charles R. (Chuck) Kummeth
Mr. Charles R. (Chuck) Kummeth
Independent Non-Executive Chairman of the Board
Independent Non-Executive Chairman of the Board
355.00K
--
Ms. Ruth A. Fattori
Ms. Ruth A. Fattori
Independent Director
Independent Director
170.51K
+4.18%
Ms. Paula Dowdy
Ms. Paula Dowdy
Independent Director
Independent Director
53.07K
-66.67%
Mr. Scott Mendel
Mr. Scott Mendel
Independent Director
Independent Director
47.28K
+33.33%
Mr. Amir Jafri
Mr. Amir Jafri
Independent Director
Independent Director
38.65K
-66.67%
View more
Name
Name/Position
Position
Shareholding
Change
Mr. Kevin L. Rakin
Mr. Kevin L. Rakin
Independent Director
Independent Director
2.92M
+0.23%
Mr. Jeffrey Alan (Jeff) Hawkins
Mr. Jeffrey Alan (Jeff) Hawkins
President, Chief Executive Officer, Director
President, Chief Executive Officer, Director
1.89M
-1.12%
Mr. Jeffry R. (Jeff) Keyes
Mr. Jeffry R. (Jeff) Keyes
Chief Financial Officer, Treasurer
Chief Financial Officer, Treasurer
911.71K
-0.84%
Dr. Christian LaPointe, Ph.D.
Dr. Christian LaPointe, Ph.D.
General Counsel, Corporate Secretary
General Counsel, Corporate Secretary
843.69K
-1.26%
Mr. Todd C. Bennett
Mr. Todd C. Bennett
Chief Commercial Officer
Chief Commercial Officer
681.52K
-5.14%
Mr. Charles R. (Chuck) Kummeth
Mr. Charles R. (Chuck) Kummeth
Independent Non-Executive Chairman of the Board
Independent Non-Executive Chairman of the Board
355.00K
--
Revenue Breakdown
No Data
No Data
By Business
By Region
No Data
Shareholding Stats
Updated: Fri, Aug 15
Updated: Fri, Aug 15
Shareholders
Shareholder Types
Shareholders
Shareholders
Proportion
Rothberg (Jonathan M)
7.02%
BlackRock Institutional Trust Company, N.A.
5.11%
The Vanguard Group, Inc.
4.46%
ARK Investment Management LLC
4.07%
Amova Asset Management Co., Ltd.
2.67%
Other
76.67%
Shareholders
Shareholders
Proportion
Rothberg (Jonathan M)
7.02%
BlackRock Institutional Trust Company, N.A.
5.11%
The Vanguard Group, Inc.
4.46%
ARK Investment Management LLC
4.07%
Amova Asset Management Co., Ltd.
2.67%
Other
76.67%
Shareholder Types
Shareholders
Proportion
Investment Advisor
18.32%
Individual Investor
12.50%
Investment Advisor/Hedge Fund
9.43%
Hedge Fund
3.04%
Research Firm
1.22%
Holding Company
0.41%
Bank and Trust
0.13%
Family Office
0.11%
Pension Fund
0.03%
Other
54.81%
Institutional Shareholding
Updated: Wed, Oct 1
Updated: Wed, Oct 1
Reporting Period
No. of institutions
Shares Held
Proportion
Change
2025Q3
248
58.86M
32.24%
+4.31M
2025Q2
270
77.82M
42.65%
-708.03K
2025Q1
278
76.41M
46.71%
+317.44K
2024Q4
271
68.59M
42.10%
-6.57M
2024Q3
252
70.04M
55.68%
-7.45M
2024Q2
247
70.14M
56.56%
-4.69M
2024Q1
255
69.57M
56.30%
-9.44M
2023Q4
250
68.72M
56.32%
-9.91M
2023Q3
261
68.63M
56.31%
-5.37M
2023Q2
261
63.23M
52.14%
-15.03M
View more
Shareholder Activity
Name
Shares Held
Proportion
Change
Chg %
Date
Rothberg (Jonathan M)
13.73M
7.52%
--
--
Sep 09, 2025
BlackRock Institutional Trust Company, N.A.
9.99M
5.47%
+1.16M
+13.17%
Jun 30, 2025
The Vanguard Group, Inc.
8.67M
4.75%
+1.78M
+25.78%
Jun 30, 2025
ARK Investment Management LLC
7.96M
4.36%
+151.40K
+1.94%
Jun 30, 2025
Amova Asset Management Co., Ltd.
5.62M
3.08%
-190.13K
-3.27%
Jun 30, 2025
Millennium Management LLC
3.78M
2.07%
-155.03K
-3.94%
Jun 30, 2025
Geode Capital Management, L.L.C.
3.45M
1.89%
+452.85K
+15.12%
Jun 30, 2025
Rakin (Kevin L)
2.92M
1.6%
+6.84K
+0.23%
Mar 03, 2025
State Street Investment Management (US)
2.76M
1.51%
+302.33K
+12.32%
Jun 30, 2025
Northern Trust Investments, Inc.
2.26M
1.24%
+1.26M
+125.57%
Jun 30, 2025
View more
Related ETFs
Updated: Thu, Nov 6
Updated: Thu, Nov 6
Name
Proportion
ARK Genomic Revolution ETF
0.94%
iShares Micro-Cap ETF
0.04%
iShares Russell 2000 Value ETF
0.02%
Global X Russell 2000 ETF
0.01%
ProShares Hedge Replication ETF
0.01%
Proshares Ultra Russell 2000
0.01%
Invesco RAFI US 1500 Small-Mid ETF
0.01%
iShares Russell 2000 ETF
0.01%
ProShares UltraPro Russell2000
0.01%
Invesco Russell 2000 Dynamic Multifactor ETF
0%
View more
ARK Genomic Revolution ETF
Proportion0.94%
iShares Micro-Cap ETF
Proportion0.04%
iShares Russell 2000 Value ETF
Proportion0.02%
Global X Russell 2000 ETF
Proportion0.01%
ProShares Hedge Replication ETF
Proportion0.01%
Proshares Ultra Russell 2000
Proportion0.01%
Invesco RAFI US 1500 Small-Mid ETF
Proportion0.01%
iShares Russell 2000 ETF
Proportion0.01%
ProShares UltraPro Russell2000
Proportion0.01%
Invesco Russell 2000 Dynamic Multifactor ETF
Proportion0%
Dividend
A total of
0.00
USD has been distributed in dividends over the past 5 years.
Date
Dividend
Record Date
Payment Date
Ex-dividend Date
No Data
Stock Split
Date
Type
Ratio
No Data
Date
Type
Ratio
No Data
