The Short Answer
Moog stock (MOG.A) is considered halal under standard Sharia screening. Engineering and manufacturing precision motion-control systems is a clearly permissible activity with no haram revenue line. The one item to confirm is the balance sheet, because Moog carries some operating and acquisition debt.
Current quantitative Sharia screen
Based on 10-Q figures for the period ended 2026-03-28; calculated 2026-07-15.
1,239.825 / 4,902.598
307.553 / 4,902.598
1,755.228 / 4,902.598
- Financial
- Incomplete
- Overall
- Incomplete
Debt/assets is 25.29%, liquidity/assets is 6.27% and receivables-plus-cash/assets is 35.80%; the filing does not provide a reproducible income numerator for the FTSE income test.
- Financial
- Fails
- Overall
- Fails
Receivables-plus-cash/assets is 35.80%, above the examined MSCI 33.33% limit; debt and liquidity remain below limits.
- Financial
- Pass
- Overall
- Incomplete
Debt/assets is 25.29% and liquidity/assets is 6.27%, below the examined Malaysia limits; this is not an official classification.
- Financial
- Not calculated
- Overall
- Fails
A properly licensed and reproducible historical market-cap series is not stored; the MSCI receivables-plus-cash screen fails.
Business-activity disclosure
Moog manufactures precision motion-control systems for aerospace, defense, industrial and medical applications; the engineering activity is generally permissible.
Limitation: The filing does not allocate revenue by prohibited end use or provide a universal prohibited-revenue numerator.
Purification
No reproducible gross non-compliant-income numerator is disclosed; no fixed purification percentage is asserted.
Inputs, assumptions and primary sources
- Amounts are converted from USD thousands in Moog's March 28, 2026 Form 10-Q to USD millions.
- Debt combines current debt of $500.000 million and noncurrent debt of $739.825 million; operating lease liabilities are excluded.
- Cash excludes $0.679 million of restricted cash. Receivables combine accounts and other receivables of $605.518 million with unbilled contract receivables of $842.157 million.
- The filing does not present a reproducible gross non-compliant-income numerator.
- Aerospace, defense, industrial and medical motion-control manufacturing is generally permissible, while end-use allocation remains qualitative.
This is a reproducible financial screen, not a fatwa. A failed total-assets screen can coexist with a pass under a market-cap methodology. ZakatInvest keeps the qualitative assessment separate so numerical thresholds do not erase material context.
Its total-debt-to-market-cap ratio should be confirmed against the 33% threshold using the latest filings, and incidental interest income on cash should be checked against the 5% threshold and purified.
Sharia Screening Methodology
Islamic scholars use several criteria to screen stocks:
- Business activity screen: Is the company's primary business halal?
- Debt ratio: Total debt / market cap must be under 33%
- Interest income: Interest income / total revenue must be under 5%
- Haram revenue: Revenue from haram sources must be under 5%
- Receivables ratio: Total receivables / total assets must be under 49–70% (varies by board)
Moog's Business Activity
Moog Inc. designs precision motion-control systems. Its activity is:
- Aerospace: Flight controls and actuation for commercial and military aircraft
- Industrial: Motion-control systems for industrial machinery and energy
- Medical & space: Components for medical devices, space, and defense
Engineering and manufacturing motion-control systems is a clearly permissible activity with no haram revenue line.
Why MOG.A Is Halal
1. Permissible Core Business
Designing and manufacturing precision motion-control systems is a halal engineering business that supplies the aerospace, industrial, and medical supply chains. There is no gambling, alcohol, conventional banking, or other prohibited line at the heart of the business.
2. Debt Ratio Is the Item to Watch
Moog carries some debt to fund operations and acquisitions, so its total-debt-to-market-cap ratio is the primary screening item. Confirm it sits under the 33% threshold on the latest filings before investing.
3. Interest on Cash to Purify
Incidental interest income on cash should be confirmed against the 5% threshold and the corresponding small portion of returns purified. Some investors apply an ethical preference of their own to defense exposure.
Current Filing-Based Quantitative Screen
Moog's March 28, 2026 filing reports debt/assets of 25.29%, liquidity/assets of 6.27% and receivables-plus-cash/assets of 35.80%. The receivables proxy includes unbilled contract receivables, and the filing does not provide a reproducible gross non-compliant-income numerator.
- Debt/assets: 25.29%, below the examined 33.333% limits ✅
- MSCI receivables-plus-cash: 35.80%, above the examined 33.33% limit ❌
- Income numerator: Not reproducible from the filing ⚠️
- Business activity: Engineering generally permissible, with aerospace/defense end-use review ⚠️
Methodology Interpretation
Our asset-based calculations pass the known FTSE ratio limits subject to an unavailable income numerator, pass the Malaysia ratio set, but fail the examined MSCI receivables-plus-cash limit. The market-cap denominator is not calculated, so the qualitative engineering verdict remains separate from this methodology difference.
Bottom Line
Moog (MOG.A) is halal for Muslim investors when the debt screen passes. The motion-control engineering business is permissible; the main caveat is confirming total debt / market cap under 33%, and purifying the minor portion of returns attributable to interest income on cash. Some investors apply an ethical preference of their own to defense.
For Muslim investors seeking aerospace and industrial exposure, compare MOG.A with peers like Heico (HEI) and Parker Hannifin (PH).
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