53Biologics
PrivateLast Round
Strategic
Mar 25, 2026
Momentum
Top 25%
of companies Caplight tracks
Company Overview
53Biologics is a biotechnology company that operates as a Contract Development and Manufacturing Organization (CDMO) providing services from preclinical development to GMP manufacturing for biological products.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Pharma Supply Chain, Clinical Trials
Business Model
B2B
Customer Profile
Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
53Biologics Comparables
Compare 53Biologics with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| 3PBIOVIAN | 86% | |
| Biomay AG | 79% | |
| HAS Healthcare Advanced Synthesis SA | 78% |
53Biologics Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Strategic | Mar 25, 2026 | ||||
| VC Round | Sep 10, 2021 |
53Biologics Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Inveready | VC Round, Strategic |
| Ren Life Sciences | Strategic |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 21, 2026
Monthly visitors increased 47% MoM, reaching 4.7K.
- Mar 25, 2026
Led by Ren Life Sciences with participation from Inveready.
Recent news
Latest coverage and updates
- invests_into_assetsOct 1, 2026
53Biologics invests $2.25M in new lyophilization infrastructure in Spain on Oct 1st '26
- expands_facilitiesOct 1, 2026
53Biologics expands its Spain facility with new lyophilization infrastructure
- invests_into_assetsOct 1, 2026
53Biologics invests $2.25M in new lyophilization infrastructure in Spain on Oct 1st '26
53Biologics Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
Request accessFrequently Asked Questions
Common questions about 53Biologics's valuation, stock price, and market status.
Is 53Biologics a public or private company?
53Biologics is a private company.
What is the current stock price of 53Biologics?
53Biologics is a private company, so its shares have no public market price. Caplight tracks 53Biologics's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is 53Biologics worth (valuation)?
Valuation information for 53Biologics is not publicly available.
Can I buy 53Biologics stock?
53Biologics shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was 53Biologics's last funding round?
53Biologics's most recent funding round was Strategic on March 25, 2026.
Who are the main investors in 53Biologics?
Key investors in 53Biologics include Ren Life Sciences.
Will 53Biologics IPO soon?
No public IPO plans have been announced for 53Biologics.
How can I track 53Biologics secondary market activity?
Caplight tracks bids, offers, and trades in 53Biologics's shares on secondary markets.