HOWLNot HalalF
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Compliance Status

Not Halal

Screened on Oct 9, 2026 · AAOIFI Standard 21

F

Non-Compliant

0Score

Is Werewolf Therapeutics, Inc. (HOWL) halal? Not Halal. Based on AAOIFI screening, Werewolf 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 Werewolf Therapeutics, Inc. (HOWL) Not Halal, 0/100, grade F under AAOIFI Standard 21, screened Oct 9, 2026. Source: https://halalscreener.app/en/stock/HOWL

Business activity

What the company sells is permissible.

Passed

Company debt

Over the limit

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

72.6% of 30.0% limit
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The verdict above is final and free.

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Screened according to AAOIFI Standard 21

What this means for you

Most scholars advise not holding HOWL

It does not pass AAOIFI Shariah screening.

See halal alternatives from the same sector further down this page

Werewolf Therapeutics, Inc.

HOWL: Is Werewolf Therapeutics, Inc. Halal?

Werewolf Therapeutics, Inc.

NASDAQHealthcareUS

$0.98

Market Cap: 47.6M

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About Werewolf Therapeutics, Inc.

Werewolf Therapeutics, Inc. is a biopharmaceutical firm dedicated to developing novel therapies that activate the body's immune system to combat cancer. Leveraging its exclusive PREDATOR platform, the company crafts conditionally activated molecules designed to stimulate both adaptive and innate immunity. This strategic approach aims to circumvent the shortcomings often associated with traditional proinflammatory immune treatments. Key among its product pipeline are WTX-124, a conditionally activated Interleukin-2 INDUKINE molecule targeting advanced solid tumors, and WTX-330, an Interleukin-12 INDUKINE molecule also designed for conditional activation, intended for advanced or metastatic solid tumors or lymphomas that have relapsed or are refractory. Furthermore, Werewolf Therapeutics is progressing WTX-613, a conditionally activated interferon alpha INDUKINE molecule, for addressing solid tumors and hematologic malignancies. The company was founded in 2017 and operates from its headquarters in Cambridge, Massachusetts.

Sector: Healthcare · Industry: Biotechnology

Why this does not pass

  • Interest-bearing debt is 72.6% of market cap, over the 30% AAOIFI limit.
  • 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

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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.

Fiscal: Q1 2026Data source: FMP
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Frequently Asked Questions

Is Werewolf Therapeutics, Inc. (HOWL) halal to invest in?
Werewolf Therapeutics, Inc. (HOWL) 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 Werewolf Therapeutics, Inc. get a F compliance rating?
Werewolf Therapeutics, Inc. (HOWL) received a grade of F (Non-Compliant) based on three AAOIFI Standard 21 financial ratios: debt-to-market-cap of 72.6% (limit 30%). The grade reflects the margin of safety across all three ratios relative to their thresholds.
What could change Werewolf Therapeutics, Inc.'s Shariah verdict?
Werewolf Therapeutics, Inc.'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 Werewolf Therapeutics, Inc. re-screened for Shariah compliance?
Werewolf Therapeutics, Inc. (HOWL) 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.