MREONot HalalF
Unlock full report, free

Compliance Status

Not Halal

Screened on Oct 9, 2026 · AAOIFI Standard 21

F

Non-Compliant

0Score

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.

Passed

Company debt

Well clear of the limit

How much the company borrows, compared to its total value. AAOIFI allows up to 30%.

1.7% of 30.0% limit
PRO DETAIL

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.

Card needed, nothing charged today

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

Mereo BioPharma Group plc

MREO: Is Mereo BioPharma Group plc Halal?

Mereo BioPharma Group plc

NASDAQHealthcareGB

$0.35

Market Cap: 55.9M

Get an email if MREO's halal status changes

We re-screen Mereo BioPharma Group plc daily. If the verdict moves, you hear about it the same day.

Free. One click sets it up, and you can unsubscribe any time.

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

AAOIFI Standard 21Updated Oct 9, 2026

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.

Free for 7 days. Cancel anytime.

Card needed, nothing charged today

AI Compliance Insight

PRO

Institutional-grade Shariah analysis

Card needed, nothing charged today

See why MREO is rated Not Halal with institutional-grade analysis

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.

Fiscal: Q2 2026Data source: FMP
Free · No credit card required

Know the day MREO's verdict changes

A free account keeps watch on 3 stocks and emails you when a verdict moves. You also get 3 questions for the AI Scholar. No card needed.

8,200+ assets AAOIFI standards Free watchlist

Frequently Asked Questions

Is Mereo BioPharma Group plc (MREO) halal to invest in?
Mereo BioPharma Group plc (MREO) is rated Not Halal under AAOIFI Standard 21 screening. It fails either the business activity screen (primary involvement in prohibited sectors such as conventional banking, alcohol, or gambling) or one of the quantitative financial ratio thresholds. Muslim investors should avoid or exit this position.
Why did Mereo BioPharma Group plc get a F compliance rating?
Mereo BioPharma Group plc (MREO) received a grade of F (Non-Compliant) based on three AAOIFI Standard 21 financial ratios: debt-to-market-cap of 1.7% (limit 30%). The grade reflects the margin of safety across all three ratios relative to their thresholds.
What could change Mereo BioPharma Group plc's Shariah verdict?
Mereo BioPharma Group plc's verdict is re-evaluated at each annual re-screen. Three events could change it: (1) the debt-to-market-cap ratio crossing 30%, typically from new debt issuance or a major drop in share price; (2) interest-bearing deposits exceeding 30% of market cap; or (3) prohibited revenue (alcohol, gambling, conventional finance, etc.) exceeding 5% of total revenue. Verdict flips are tracked in the compliance history section above.
How often is Mereo BioPharma Group plc re-screened for Shariah compliance?
Mereo BioPharma Group plc (MREO) is re-screened annually using the most recent full-year financial data from SEC filings. HalalScreener also triggers an on-demand re-screen whenever the stored data is more than 7 days old, ensuring the ratios reflect the latest available financial statements. Last screened: Oct 9, 2026.

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.