Defined Bioscience - About the company
Defined Bioscience is a funded company based in San Diego (United States), founded in 2020 by William Alaynick and Steven Rees. It operates as a Developer of cell culture reagents, growth medium, and kits for cell-based assays. Defined Bioscience has raised an undisclosed amount in funding. The company has 188 active competitors, including 27 funded and 32 that have exited. Its top competitors include companies like BioLife Solutions, Integrated DNA Technologies and Partillion.
Company Details
Developer of cell culture reagents, growth medium, and kits for cell-based assays. The product HiDef-B8 stem cell medium supplement is the formulation of a hiPSC culture medium for growing stem cells, iPSC derived cells, and organoids.
- Website
- definedbioscience.com
- Social
- Email ID
- *****@definedbioscience.com
- Phone Number
- +1 **********
Key Metrics
Founded Year
2020
Location
San Diego, United States
Stage
Funding Raised
Latest Funding Round
Investors
Ranked
41st among 188 active competitors
Employee Count
13 as on Jul 31, 2026
Similar Companies
Legal entities associated with Defined Bioscience
Defined Bioscience is associated with 1 legal entity given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
DEFINED BIOSCIENCE, INC. CIN: 844059430 , United States, Active | Dec 31, 1999 | - | 6 (As on Dec 31, 2024) | - |
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Defined Bioscience's funding and investors
Defined Bioscience has raised funding over 3 rounds. Its first funding round was on May 17, 2021. Its latest funding round was a Grant (prize money) round on Mar 24, 2025 for $*****. 1 investor participated in its latest round. Defined Bioscience has 3 institutional investors.
Here is the list of recent funding rounds of Defined Bioscience:
Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Mar 24, 2025 | 1968890 | Grant (prize money) | 4598466 | 3654442 | 3387555 | 3691076 |
Jul 15, 2024 | 3788299 | Grant (prize money) | 8126250 | 4188389 | 6719303 | |
May 17, 2021 | 8199676 | Grant (prize money) | 6517572 | 2208452 | 4681575 |
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Defined Bioscience's founders and board of directors
Founder? Claim ProfileThe founders of Defined Bioscience are William Alaynick and Steven Rees. Steven Rees is the CEO of Defined Bioscience.
Here are the details of Defined Bioscience's key team members:
- William Alaynick: Founder of Defined Bioscience and founder of 2 other companies, Arima Genomics and Metabolus. They serve on the board of 1 company.
- Steven Rees: Founder & CEO of Defined Bioscience. Contact Info: 1 email address
View details of Defined Bioscience's Founder profiles and Board Members
Defined Bioscience's employee count trend
Defined Bioscience has 13 employees as of Jul 26. Here is Defined Bioscience's employee count trend over the years:
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Defined Bioscience's Competitors and alternates
Top competitors of Defined Bioscience include BioLife Solutions, Integrated DNA Technologies and Partillion. Here is the list of Top 10 competitors of Defined Bioscience, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | BioLife Solutions 1987, Bothell (United States), Acquired | Developer of cell and gene therapies with the integrity of a single cell | - | - | 67/100 |
2nd |  Integrated DNA Technologies 1987, Coralville (United States), Acquired | Provider of oligonucleotide-based reagents and kits | - | 63/100 | |
3rd |  Partillion 2020, Los Angeles (United States), Seed | Developer of single-cell assays for cell analysis | $9.87M | 58/100 | |
4th | RoosterBio 2012, Frederick (United States), Series B | Developer of human mesenchymal stem cells and extracellular vesicles | $38.4M | 57/100 | |
5th | Cell culture reagents for stem cell research | $18.2M | 56/100 | ||
6th | Prolific Machines 2020, United States, Series B | Provider of photomolecular biology platform to control cellular functions | $86.5M | 51/100 | |
7th | Shanghai Doning Biotechnology 2005, Shanghai (China), Series C | Provider of cell culture media | $14.9M | 51/100 | |
8th | Biologos 1976, Chicago (United States), Acquired | Manufacturer of custom biologics for research applications | - | 49/100 | |
9th |  Toyobo 1882, New York City (United States), Public | Provider of functional polymers, industrial materials, and healthcare products | - | - | 49/100 |
10th | ArcticZymes 2009, Tromso (Norway), Public | Developer of recombinant enzymes from various arctic species | - | 47/100 | |
41st |  Defined Bioscience 2020, San Diego (United States), Funding Raised | Developer of cell culture reagents, growth medium, and kits for cell-based assays | - | 33/100 |
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Defined Bioscience's Investments and acquisitions
Defined Bioscience has made no investments or acquisitions yet.
Reports related to Defined Bioscience
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