Siren Biotechnology
PrivateLast Round
Grant
Jun 26, 2026
Est. Valuation
$64.2M
Total Funding Raised
$48.43M
Momentum
Top 1%
of companies Caplight tracks
Company Overview
Siren Biotechnology is a biotechnology company developing Universal AAV Immuno-Gene Therapy, which combines AAV gene therapy and cytokine immunotherapy, to treat solid tumors.
Sector
Healthcare & Life Sciences
Verticals
Biotechnology, Drug Discovery, Precision Medicine, 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.
Siren Biotechnology Comparables
Compare Siren Biotechnology with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Trogenix | 79% | |
| Hyperliquid Strategies Inc. | 77% | |
| Akamis Bio | 76% | |
Siren Biotechnology Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Grant | Jun 26, 2026 | ||||
| Crowdfunding | Mar 15, 2026 | ||||
| Crowdfunding | Nov 3, 2025 | ||||
| Series A | Apr 22, 2024 | ||||
| Grant | Nov 1, 2023 | ||||
Seed | Sep 1, 2021 |
Siren Biotechnology Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| NZVC | Series A |
| Carnrite Ventures | Series A |
| Innovation Endeavors | Seed, Series A |
| Founders Fund | Crowdfunding, Series A, Seed |
| ARTIS Ventures | Series A, Seed |
| Lux Capital | Crowdfunding, Series A, Seed |
| California Institute for Regenerative Medicine | Grant |
Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 1, 2026
Open roles increased to 8, 5x the trailing average.
- Jun 26, 2026
$8M grant from California Institute for Regenerative Medicine
Siren Biotechnology 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 Siren Biotechnology's valuation, stock price, and market status.