Poplar Therapeutics vs Stipple Bio
Side-by-side comparison of AI visibility scores, market position, and capabilities
Raised $95M total ($50M Series A Jan 2026 + $45M extension Mar 2026) from SR One, Vida, RA Capital, Janus Henderson. Triple-action anti-IgE mechanism. Phase 1 data expected H2 2026 for PHB-050.
About
Poplar Therapeutics (formerly Phylaxis Bioscience) raised $95 million in less than 60 days — $50 million in Series A financing in January 2026 from SR One, Vida Ventures, RA Capital, and Janus Henderson, extended by $45 million in March 2026 — reflecting exceptional investor conviction in its PHB-050 anti-IgE program. PHB-050 uses a triple-action anti-IgE mechanism designed to exceed the performance of existing anti-IgE drugs: simultaneously blocking mast cell IgE binding, reducing circulating free IgE, and inhibiting IgE production by B cells. Phase 1 data is expected in the second half of 2026.
Precision oncology company emerged from stealth Apr 2026 with $100M oversubscribed Series A co-led by RA Capital and a16z Bio; Pointillist platform identifies novel tumor-specific epitopes for antibody-drug conjugates beyond existing ADC targets.
About
Stipple Bio is a precision oncology company that emerged from stealth in April 2026 with a $100 million oversubscribed Series A. The round was co-led by RA Capital Management, Andreessen Horowitz Bio+Health, and Nextech, with additional participation from GV and Emerson Collective — a top-tier syndicate that signals strong scientific conviction in the platform.
AI Visibility Head-to-Head
Key Details
Capabilities & Ecosystem
Capabilities
Also Compare
Track AI Visibility in Real Time
Monitor how your brand performs across ChatGPT, Gemini, Perplexity, Claude, and Grok daily.