Sesen
PrivateLast Round
Reverse Merger
Mar 7, 2023
Est. Valuation
$154M
Total Funding Raised
$110M
Company Overview
Sesen is a life sciences company that provides specialized translation, localization, and AI-enhanced linguistic solutions for pharmaceutical, biotechnology, medical device, and regulatory organizations.
Sector
Healthcare & Life Sciences
Verticals
Clinical Trials, Compliance, NLP & Conversational AI, Biotechnology, Medical Devices
Business Model
B2B
Customer Profile
Services & Consulting, Subscription SaaS
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Sesen Comparables
Compare Sesen with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| CQ fluency | 77% | |
| IQVIA Holdings Inc. | 77% | |
| Questel | 75% |
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Sesen Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Reverse Merger | Mar 7, 2023 | ||||
| Follow-on Offering | Jun 19, 2019 | ||||
| Follow-on Offering | May 30, 2018 | ||||
| Private Placement | Mar 23, 2018 | ||||
| M&A | Sep 21, 2016 | ||||
IPO | Feb 6, 2014 |
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Key People
Founding team and executive leadership
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Sesen Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| JAFCO Group Co., Ltd. | Series B |
| Agent Capital | Reverse Merger |
| SymBiosis Capital Management | Reverse Merger |
| 4BIO Capital | Reverse Merger |
| HealthCap | Reverse Merger |
| Pictet Alternative Advisors | Reverse Merger |
| Solasta Ventures | Reverse Merger |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 24, 2026
Monthly visitors increased 111% MoM.
- Mar 1, 2026
Monthly visitors grew 33% MoM, reaching 1K.
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Sesen 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.
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Frequently Asked Questions
Common questions about Sesen's valuation, stock price, and market status.
Is Sesen a public or private company?
Sesen is a private company.
What is the current stock price of Sesen?
Sesen is a private company, so its shares have no public market price. Caplight tracks Sesen's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Sesen worth (valuation)?
Sesen's valuation is estimated at $154.0M based on funding round data.
Can I buy Sesen stock?
Sesen shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Sesen's last funding round?
Sesen's most recent funding round was Reverse Merger on March 7, 2023.
Who are the main investors in Sesen?
Key investors in Sesen include Flagship Pioneering, Third Rock Ventures.
Will Sesen IPO soon?
No public IPO plans have been announced for Sesen.
How can I track Sesen secondary market activity?
Caplight tracks bids, offers, and trades in Sesen's shares on secondary markets.