Compliance Status
Not Halal
Screened on Oct 8, 2026 · AAOIFI Standard 21
Non-Compliant
Is Seres Therapeutics, Inc. (MCRB) halal? Not Halal. Based on AAOIFI screening, Seres Therapeutics, Inc. passes the business activity screen but fails financial ratio screens with a compliance score of 0/100 (Grade: F).
Quote this verdict
HalalScreener rates Seres Therapeutics, Inc. (MCRB) Not Halal, 0/100, grade F under AAOIFI Standard 21, screened Oct 8, 2026. Source: https://halalscreener.app/en/stock/MCRB
Business activity
What the company sells is permissible.
Company debt
Over 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 MCRB
It does not pass AAOIFI Shariah screening.
See halal alternatives from the same sector further down this page
MCRB: Is Seres Therapeutics, Inc. Halal?
Seres Therapeutics, Inc.
$2.71
Market Cap: 26.2M
Screened on a market cap of 32.4M
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About Seres Therapeutics, Inc.
Seres Therapeutics, Inc. is a pioneering microbiome therapeutics firm dedicated to engineering bacterial consortia that modulate host cells and tissues to combat various diseases. Their flagship therapeutic, SER-109, an oral microbiome treatment, has successfully concluded Phase III clinical trials for the management of Clostridioides difficile infection (CDI). The company's pipeline further encompasses SER-155, a synthetically cultured bacterial formulation currently undergoing Phase Ib evaluation. This candidate aims to mitigate the risk of gastrointestinal and bloodstream infections, alongside graft-versus-host disease, in vulnerable patients undergoing allogeneic hematopoietic stem cell or solid organ transplantation. Additionally, Seres Therapeutics is advancing SER-287 and SER-301, both in Phase Ib for ulcerative colitis, as well as SER-401, which targets metastatic melanoma, and SER-262, also directed at Clostridioides difficile infection. Seres maintains strategic alliances through licensing and collaboration agreements with entities such as Nestec Ltd. and Memorial Sloan Kettering Cancer Center. Established in 2010, the company previously operated as Seres Health, Inc. before adopting its current name in May 2015, and it maintains its principal offices in Cambridge, Massachusetts.
Sector: Healthcare · Industry: Biotechnology
Why this does not pass
- Interest-bearing debt is 174.6% of market cap, over the 30% AAOIFI limit.
- Interest-bearing deposits are over the 30% limit.
- Income from prohibited sources is over the 5% 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
See why MCRB is rated Not Halal with institutional-grade analysis
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
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
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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.