Poplar Therapeutics logo

Poplar Therapeutics

Emerging

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.

Best for: Anti-IgE Immunotherapy (Atopic & Allergic)Emerging, rapid growth
39
AI Score
Grade D↑ Trending
AI Visibility Score (Beta)
Life Sciences & BioTechAnti-IgE Immunotherapy (Atopic & Allergic)WebsiteUpdated April 2026

Brand Intelligence Graph

Capabilities
Anti-IgE Immunotherapy (Atopic & Allergic)

Company Overview

About Poplar Therapeutics

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.

Business Model & Competitive Advantage

IgE is the antibody isotype that drives allergic responses: food allergies, asthma, atopic dermatitis, and eosinophilic disorders are all IgE-mediated conditions. Xolair (omalizumab, $3B+ annually) is the only approved anti-IgE antibody, blocking free IgE from binding to mast cells but without reducing total IgE production. Dupixent addresses atopic conditions through a different mechanism. PHB-050's triple mechanism — acting at three points in the IgE pathway simultaneously — may achieve more complete IgE suppression than Xolair, enabling treatment of patients with higher IgE levels that Xolair cannot adequately control.

Competitive Landscape 2025–2026

The $95 million in 60 days without clinical data is a strong signal of institutional conviction in the preclinical pharmacology: SR One, Vida, and RA Capital are among the most scientifically rigorous biotech investors who require compelling preclinical data before committing capital at this scale.

Curated content • Fact-checked and verified

Key Differentiators

Emerging Innovator

Poplar Therapeutics is an emerging player bringing innovative solutions to the BioTech market.

Frequently Asked Questions

Estimated Visibility Trend (Beta)

Simulated 8-week rolling score

39
↑ Trending

Based on estimated brand signals. Historical tracking coming soon.

Similar Brands

BioNTech logo

BioNTech

Life Sciences & BioTech
B2bGlobalPublicEnterpriseHealthtechManufacturingPlatform

BioNTech SE was founded in 2008 in Mainz, Germany by Ugur Sahin, Ozlem Tureci, and Christoph Huber with a mission to harness the immune system for individualized cancer treatment. The company pioneere

Genentech logo

Genentech

Life Sciences & BioTech
B2bGlobalEnterprisePublicHealthtechManufacturingFortune500

Genentech was founded in 1976 in South San Francisco by Herbert Boyer and Robert Swanson, becoming the first company to produce human insulin using recombinant DNA technology and essentially launching

Illumina logo

Illumina

Life Sciences & BioTech
B2bGlobalPublicEnterpriseHealthtechAnalyticsHardwarePlatformFortune500

Illumina was founded in 1998 in San Diego and has grown into the undisputed leader in next-generation sequencing (NGS), with approximately 80% global market share across research and clinical applicat

Regeneron logo

Regeneron

Life Sciences & BioTech
B2bGlobalPublicEnterpriseHealthtechManufacturingFortune500

Regeneron Pharmaceuticals was founded in 1988 in Tarrytown, New York by Leonard Schleifer and George Yancopoulos. The company built its reputation on the Velocimmune platform—a proprietary humanized m

Vivtex logo

Vivtex

BioTech
HealthtechB2b

Vivtex is an MIT Langer Laboratory spinout that has developed a drug delivery platform enabling oral administration of biologics — proteins, peptides, and other large molecules — that have historicall

Prime Medicine logo

Prime Medicine

BioTech
HealthtechB2b

Prime Medicine is a publicly-traded (Nasdaq: PRME) clinical-stage biotech developing Prime Editing — the most versatile and precise gene editing technology currently entering clinical trials, capable

For Poplar Therapeutics

Claim This Profile

Are you from Poplar Therapeutics? Claim your profile to see full AI mention excerpts, get weekly visibility change alerts, and optimize how AI systems describe your brand.

Claim Poplar Therapeutics Profile →
For competitors & analysts

Track AI Visibility in Real Time

Monitor how ChatGPT, Gemini, Perplexity, and Claude mention Poplar Therapeutics vs competitors. Get alerts when AI recommendations shift.

Start Free Tracking →