Prolong Pharmaceuticals, LLC
PrivateLast Round
Grant
Nov 3, 2010
Total Funding Raised
$30.24M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Prolong Pharmaceuticals, LLC is a clinical-stage biopharmaceutical company developing therapies for ischemia and hypoxia in disorders like stroke, sickle cell disease, and cystic fibrosis.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Clinical Trials, Drug Discovery
Business Model
B2B
Customer Profile
Government Contracts, Services & Consulting
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Prolong Pharmaceuticals, LLC Comparables
Compare Prolong Pharmaceuticals, LLC with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| NuvOx Therapeutics | 86% | |
| HbO2 Therapeutics | 83% | |
| Pharmazz, Inc. | 81% | |
Prolong Pharmaceuticals, LLC Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Nov 3, 2010 | ||||
| Series C | Oct 14, 2010 | ||||
| Early Funding | Apr 15, 2005 |
Prolong Pharmaceuticals, LLC Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Avtar Investments | Series C |
| KBL Healthcare Ventures | Series C |
| Internal Revenue Service | Grant |
| Tarsadia Investments | Series C |
Market signals
Structured signals derived from secondary market and firmographic data.
- Jun 21, 2026
Monthly visitors grew 60% MoM, from 485 to 776.
- Nov 10, 2025
Monthly visitors increased 40% MoM.
Prolong Pharmaceuticals, LLC Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
Common questions about Prolong Pharmaceuticals, LLC's valuation, stock price, and market status.