The Short Answer
Silicon Labs' business activity is qualitatively halal, but its current quantitative asset-based screen fails. The April 4, 2026 filing shows liquidity/assets of 34.65% and receivables plus cash/assets of 36.34%.
Current quantitative Sharia screen
Based on 10-Q figures for the period ended 2026-04-04; calculated 2026-07-15.
0 / 1,266.461
438.856 / 1,266.461
460.209 / 1,266.461
3.626 / 213.5
- Financial
- Fails
- Overall
- Fails
Debt/assets is 0.00%, liquidity/assets is 34.65% and receivables-plus-cash/assets is 36.34%; liquidity exceeds the examined FTSE limit and the income upper bound is 1.70%.
- Financial
- Fails
- Overall
- Fails
Liquidity/assets is 34.65%, above the examined MSCI total-assets limit; this is not an index-membership claim.
- Financial
- Fails
- Overall
- Fails
Liquidity/assets is 34.65%, above the examined Malaysia limit; this is not an official classification.
- Financial
- Not calculated
- Overall
- Fails
A licensed historical market-cap series is not stored; the asset-based liquidity screen already fails.
Business-activity disclosure
Silicon Laboratories designs low-power wireless connectivity semiconductors for smart-home, industrial, commercial and metering applications. The semiconductor activity is generally permissible, while customer end uses are not reduced to a universal prohibited-revenue numerator.
Limitation: The filing does not classify every IoT protocol, customer or end use by a universal Sharia category; activity remains qualitative.
Purification
Interest income and other, net is used as a conservative upper bound of $3.626 million; ZakatInvest does not prescribe a scholar-approved purification percentage.
Inputs, assumptions and primary sources
- Amounts are USD millions from Silicon Laboratories' April 4, 2026 Form 10-Q.
- No interest-bearing debt is reported; operating lease liabilities are excluded.
- Cash is $383.089 million and short-term investments are $55.767 million.
- Net accounts receivable is $77.120 million and first-quarter revenue is $213.500 million.
- Interest income and other, net is $3.626 million and is used as a conservative upper bound; no fixed purification percentage is prescribed.
- IoT and wireless-connectivity semiconductors are generally permissible, but customer and end-use revenue 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.
Designing and selling wireless connectivity semiconductors is generally permissible at the activity level. Silicon Labs reports no interest-bearing debt, but cash and short-term investments are 34.65% of assets; interest income and other, net is a conservative upper bound of 1.70% of revenue and no universal prohibited-revenue numerator is disclosed.
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)
Silicon Labs's Business Activity
Silicon Labs designs low-power wireless chips that connect Internet of Things (IoT) devices. Its products include:
- Wireless SoCs: Bluetooth, Zigbee, Thread, and Wi-Fi chips
- Smart-home & industrial: Connectivity for connected devices and metering
- Software & tools: Development platforms for IoT designers
Designing and selling these semiconductors is permissible at the activity level — they are general-purpose connectivity technology.
Concerns to Be Aware Of
1. Interest Income on Cash
Cash and short-term investments total $438.856 million, or 34.65% of assets, above the examined liquidity limits. Interest income and other, net of $3.626 million is a conservative upper bound; ZakatInvest does not prescribe a fixed purification percentage.
2. Debt Ratio
Silicon Labs reports no interest-bearing debt, so debt/assets is 0.00%. That pass does not offset the liquidity and receivables failures, and a market-cap denominator is not calculated here.
3. Cyclicality
As a focused IoT-semiconductor company, revenue and margins are cyclical and sensitive to inventory and end-market demand. This is a business and valuation consideration rather than a Sharia screen concern.
Filing-Based Ratios (April 4, 2026)
These calculations use Silicon Labs' first-quarter 2026 Form 10-Q and total-assets denominators:
- Debt / assets: 0.00% — passes the examined debt limit
- Cash + securities / assets: 34.65% — fails the examined liquidity limits
- Receivables + cash / assets: 36.34% — fails the examined MSCI limit
- Interest income upper bound / revenue: 1.70%; no fixed purification percentage asserted
Methodology Interpretation
On the stored total-assets calculations, FTSE Yasaar, MSCI Islamic and Malaysia SAC financial screens fail on liquidity and/or receivables. These are comparisons with published methodologies, not claims of index membership or an external agency verdict.
Bottom Line
Silicon Labs (SLAB) has a generally permissible IoT-semiconductor business, but the current filing-based quantitative screen fails because liquidity/assets and receivables plus cash/assets exceed the examined limits. This is not a universal halal certification; investors should consult a qualified scholar and review updated filings.
For Muslim investors seeking semiconductor exposure, SLAB sits alongside other halal-screened names like NVIDIA (NVDA) and Microchip Technology (MCHP).
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