About BioSig
BioSig is a company based in Westport (United States) founded in 2009 by Ken Londoner. BioSig has raised $8.72 million across 46 funding rounds from investors including Millennium Management and Mayo Clinic Business Accelerator. The company has 64 employees. BioSig offers products and services including PURE EP Platform and Signal Processing Technology.
- Headquarter Westport, United States
- Employees 64
- Founders Ken Londoner
- Stage Public
- SectorsHealthcare
- Email••••••••
- Phone•••• ••••
- Website biosig.com
- Social LinkedIn X Facebook
- Legal Name Biosig Technologies, Inc.
- Annual Revenue$40 K (USD)122as on Dec 31, 2024
- Net Profit-$10.33 M (USD)-3043as on Dec 31, 2024
- EBITDA-$12.67 M (USD)55as on Dec 31, 2024
- Total Equity Funding$8.72M (USD)
in 46 rounds
- Latest Funding Round$819K (USD), Post-IPO
Mar 2025
- InvestorsMillennium Management
& 1 more
- Employee Count64
Products & Services of BioSig
BioSig offers a comprehensive portfolio of products and services, including PURE EP Platform and Signal Processing Technology.
A platform that is employed for capturing intracardiac signals with high clarity to aid in arrhythmia treatment procedures
Technology that is used for enhancing cardiac signal visualization and supporting advancements in electrophysiology
Funding Insights of BioSig
BioSig has successfully raised a total of $8.72M across 46 strategic funding rounds. The most recent funding activity was a Post-IPO round of $819 thousand completed in March 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $8.72M
- Total Rounds 46
- Last Round Post-IPO — $818,998
- First Round $922,000
(Sep 2011)
- Investors Count 2
Latest 10 of 46 funding rounds of BioSig with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Mar 2025 | $818,998 | Post-IPO | – | – | – |
| May 2024 | $1.14M | Post-IPO | – | – | – |
| Jan 2024 | $1.48M | Post-IPO | – | – | – |
| Oct 2023 | $860,933 | Post-IPO | – | – | – |
| Sep 2023 | $1.17M | Post-IPO | – | – | – |
| Jun 2023 | $2.2M | Post-IPO | – | – | – |
| May 2023 | $3.69M | Post-IPO | – | – | – |
| Mar 2023 | $1.5M | Post-IPO | – | – | – |
| Mar 2023 | $2.53M | Post-IPO | – | – | – |
| Feb 2023 | $603,045 | Post-IPO | – | – | – |
2 investors in total: 2 institutional.
Investors in BioSig
BioSig has secured backing from 2 investors, including institutional and venture fund investors. Prominent investors backing the company include Millennium Management and Mayo Clinic Business Accelerator.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Healthcare startups are accelerated by Mayo Clinic Business Accelerator. | – | mcbusaccel.com | Rochester, United States | |
Diversified investment management services are provided from New York. | – | mlp.com | New York, United States |
Investor details for BioSig
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of BioSig
13 people are tracked at BioSig (3 in leadership, 9 in board & advisors, 1 in team); the tracked headcount is 64.
| Name | Role | Group |
|---|---|---|
Ken Londoner | Founder | Leadership |
Kenneth L. Londoner | Founder, Chairman & CEO | Leadership |
Joshua Conroy | Director-sales Biosig Technologies, Inc. | Leadership |
Ramachandra Malya | Advisor | Board & advisors |
Sim Farar | Advisor | Board & advisors |
Frank J. Quintero | Advisor | Board & advisors |
Edwin Wang | Advisor | Board & advisors |
Lorraine Spurge | Advisor | Board & advisors |
Zachariah P. Zachariah | Advisor | Board & advisors |
Donald F. Browne | Director | Board & advisors |
Chris Baer | Director | Board & advisors |
Steven E. Abelman | Director | Board & advisors |
Thomas Arthur | Clinical Account Manager | Team |
Complete people profiles for BioSig
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
IPO & Listings of BioSig
BioSig is a publicly listed company on the NASDAQ with ticker symbol BSGM in USA, operating in the Health technology sector. As a publicly traded entity, the company provides investors with opportunities to participate in its growth story through equity ownership. The listing enables access to capital markets, enhances corporate visibility, and provides liquidity for shareholders while maintaining transparency through regulatory compliance and regular financial disclosures.
- IPO date03 Nov 2014
- Listed onNASDAQ: BSGM
- Listed entityBioSig Technologies, Inc.
- Exchange sectorHealth technology
- Share price$6.10 (+37.08% on the day) · 2025-09-12
- Market capitalisation$215.2M
- EPS (diluted, trailing year)$-1.06
- Volume (last session)3,137,716
- Analyst consensusStrong buy
Timeline of BioSig
4 dated milestones of BioSig across 16 years, from founding to its latest funding, stage changes and deals.
- Founded BioSig is founded.
- Funding First funding round of $922K.
- IPO Lists on the stock exchange (IPO).
- Funding Latest funding round, Post-IPO, of $819K.
Web traffic of BioSig
The website of BioSig (biosig.com) receives about 4.4K visits a month.
- Monthly visits4.4K
▲ 10.2% vs previous month
Websites whose visitors overlap most with BioSig. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| biosig-id.com | 100% | 5K | #2,512,523 | View details |
Latest news on Biosig
Complete news archive for BioSig
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Similar companies to BioSig
10 companies that operate in the same segment as BioSig (Traditional Diagnostics & Medical Devices), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Materials management solutions are provided for healthcare organizations. | 1892 | Chicago, Illinois, United States | USD 29.13 M | USD 20.63 B | 53,000 | |
3D-printed orthopedic products are manufactured for medical applications. | 1941 | Kalamazoo, Michigan, United States | – | – | – | |
Ophthalmic pharmaceuticals and instruments are developed for eye care. | 1853 | Bridgewater, New Jersey, United States | – | USD 5.1 B | 13,500 | |
Heart pumps are developed for blood circulation and oxygenation support. | 1981 | Danvers, Massachusetts, United States | – | USD 1.03 B | 1,157 | |
Medical device management services are provided to healthcare facilities. | 1999 | Exeter, New Hampshire, United States | USD 275.93 M | USD 68.67 M | 353 | |
Medical surgical consumables including sutures and anti-microbial gloves are manufactured. | 1992 | Bengaluru, Karnataka, India | USD 102.36 M | USD 7.14 K | 39 | |
Manufacturer of medical equipments | 1967 | Bengaluru, Karnataka, India | USD 58.9 M | USD 98.65 M | 578 | |
BD is recognized for providing innovative medical technology solutions. | 1897 | Franklin Lakes, New Jersey, United States | – | USD 21.84 B | 74,000 | |
Dental lasers and scanning devices are developed for clinical use. | 1987 | Foothill Ranch, California, United States | – | USD 49.16 M | – | |
Manufacturer and distributor of aprons, surgical gowns, uniforms, and other medical products | 1966 | Mundelein, Illinois, United States | – | USD 28.45 B | 1,305 |
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Frequently Asked Questions about BioSig
BioSig was founded in 2009 and raised its 1st funding round 2 years after it was founded.
BioSig is headquartered in Westport, United States.
BioSig is a funded company, having raised a total of $8.72M across 46 funding rounds to date. The company's 1st funding round was a Post-IPO of $603.05K, raised on Sep 2011.
BioSig has 64 employees.
Annual revenue of BioSig is $40K as on Dec 31, 2024.
BioSig was founded in 2009 by Ken Londoner in Westport, United States. Operations are centered on the development and manufacturing of signal processing devices tailored for medical applications. The company serves the healthcare industry by providing technology that enhances signal analysis in diagnostic and therapeutic contexts. Focus is placed on precision engineering to support medical professionals across the United States and beyond.
BioSig offers PURE EP Platform and Signal Processing Technology.
Yes, BioSig is publicly traded on NASDAQ under the ticker symbol BSGM.
BioSig has 2 investors. Key investors include Millennium Management, and Mayo Clinic Business Accelerator.
BioSig operates through Biosig Technologies, Inc.