Compliance Status
Not Halal
Screened on Oct 9, 2026 · AAOIFI Standard 21
Non-Compliant
Is Mereo BioPharma Group plc (MREO) halal? Not Halal. Based on AAOIFI screening, Mereo BioPharma Group plc passes the business activity screen but fails financial ratio screens with a compliance score of 0/100 (Grade: F).
Quote this verdict
HalalScreener rates Mereo BioPharma Group plc (MREO) Not Halal, 0/100, grade F under AAOIFI Standard 21, screened Oct 9, 2026. Source: https://halalscreener.app/en/stock/MREO
Business activity
What the company sells is permissible.
Company debt
Well clear of the limitHow much the company borrows, compared to its total value. AAOIFI allows up to 30%.
The verdict above is final and free.
Pro members can verify every number behind it: interest-bearing deposits, prohibited income breakdown, and the full AAOIFI math.
Screened according to AAOIFI Standard 21
What this means for you
Most scholars advise not holding MREO
It does not pass AAOIFI Shariah screening.
See halal alternatives from the same sector further down this page

MREO: Is Mereo BioPharma Group plc Halal?
Mereo BioPharma Group plc
$0.35
Market Cap: 55.9M
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About Mereo BioPharma Group plc
Mereo BioPharma Group plc, a London-based biopharmaceutical firm established in 2015, specializes in developing and commercializing innovative therapies for oncology and rare conditions. Operating both in the United Kingdom and internationally, the company boasts a diverse product pipeline. Its primary oncology asset, etigilimab (OMP-313M32), an antibody T-cell immunoreceptor, is presently undergoing Phase 1b clinical investigation for tumor treatment. Another cancer compound, Navicixizumab (OMP-305B83), has already concluded its Phase 1b clinical studies for patients battling late-stage ovarian cancer. Beyond cancer, Mereo is advancing several other promising candidates. These include Acumapimod (BCT-197), a p38 MAP kinase inhibitor, which is currently in Phase II clinical trials for addressing acute exacerbations of chronic obstructive pulmonary disease. Additionally, Leflutrozole (BGS-649), an oral aromatase inhibitor, is being developed to manage hypogonadotropic hypogonadism. Within its rare disease portfolio, Mereo features Setrusumab (BPS-804), a novel antibody designed to treat osteogenesis imperfecta, and Alvelestat (MPH-966), an oral small molecule in Phase II clinical trials for Alpha-1 antitrypsin deficiency. To bolster its research, Mereo BioPharma collaborates with The University of Texas MD Anderson Cancer Center, focusing on the evaluation of its anti-TIGIT therapeutic antibody candidate, etigilimab.
Sector: Healthcare · Industry: Biotechnology
Why this does not pass
- Interest-bearing deposits are over the 30% limit.
Screened under AAOIFI Standard 21. The exact figure behind this is part of Pro; the failing check and its limit are always free.
Shariah Compliance Status
See which ratio caused the failure.
See the exact debt ratio, interest income %, and prohibited revenue that caused the failure. Know before you sell or hold.
AI Compliance Insight
PROInstitutional-grade Shariah analysis
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Compliance History
Not Halal, unchanged since Aug 2026.
No status changes recorded since we began tracking.
Tracked since Aug 2026. Updates automatically on each re-screen.
Halal Alternatives in Healthcare
This stock is not Shariah-compliant. Here are halal alternatives from the same sector, ranked by compliance score:
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Frequently Asked Questions
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Screened according to AAOIFI Standard No. 21 · For informational purposes only. Consult a qualified Islamic finance advisor before investing.
Disclaimer: This screening is for informational purposes only and does not constitute financial, legal, or religious advice. Compliance is evaluated using AAOIFI financial standards (debt, deposits, and prohibited income ratios) and publicly available data. Ethical, political, social, or environmental considerations are outside the scope of this screening. Individual scholars and methodologies may differ. Always consult a qualified Islamic finance advisor before making investment decisions.
