How do XLK and SOXX differ fundamentally?

XLK covers all S&P 500 technology sector companies including software, hardware, semiconductors, and IT services. SOXX covers only semiconductor companies — chip designers, manufacturers, and equipment makers. SOXX is a subset of XLK by concept, but includes more comprehensive semiconductor exposure including TSMC (through ADR) and equipment makers.

What metrics matter most when comparing XLK and SOXX?

For XLK, track overall technology earnings and revenue growth, software sector performance, and Apple/Microsoft fundamentals as the dominant weights. For SOXX, track semiconductor cycle indicators: DRAM and NAND inventory levels, AI GPU order backlog, data center capex from hyperscalers, and the Philadelphia Semiconductor Index (SOX) as the primary benchmark.

Which is better for long-term investors — XLK or SOXX?

Long-term, both have compounded strongly as technology is the dominant economic sector. XLK's software diversification provides more consistent returns through semiconductor cycles. SOXX's pure-play semiconductor exposure could provide higher long-term returns if AI chip demand drives sustained above-market semiconductor growth — but requires tolerance for cyclical drawdowns. Most long-term investors hold XLK; semiconductor enthusiasts add SOXX.

Data as of: June 15, 2026

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XLK

Technology Select Sector SPDR Fund · ETF

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SOXX

iShares Semiconductor ETF · ETF

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Comparison scoreboard

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Quick take

XLK vs SOXX Stock Comparison: AI Score, Valuation, Performance and Upside

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XLK and SOXX both provide technology exposure but at very different levels of concentration. XLK covers all S&P 500 technology stocks broadly. SOXX concentrates exclusively in semiconductors. SOXX has significantly higher cyclicality and both higher peaks and deeper troughs than XLK. AI chip demand has made SOXX an extraordinary bull market performer in 2023–2024; but semiconductor down-cycles are severe.

XLK vs SOXX is broad technology sector coverage including software, hardware, and chips (XLK) versus pure-play semiconductor industry concentration including AI chips, equipment, and memory (SOXX) — SOXX wins big in semiconductor bull cycles; XLK is more stable through technology cycles with software diversification.

Normalized 1Y performance

XLK

SOXX

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Recent returns

XLK

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Analyst price targets & sentiment

Human Wall Street analysts' price targets, typically implying a ~12-month view — a separate signal from this site's own AI Prediction Signal further down the page, which is a 5-/30-day machine-learning forecast based on price history alone.

XLK

Price target data unavailable

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SOXX

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Who should consider this stock?

XLK may suit investors who:

prefer broad technology sector coverage including software (Microsoft), hardware (Apple), and semiconductors in a single low-cost ETF
value lower volatility than pure semiconductor exposure due to software and services companies providing earnings stability
want technology sector exposure at 0.09% — one of the lowest-cost technology sector ETFs available
are comfortable with Apple and Microsoft representing 45%+ of the fund and Alphabet/Amazon's absence due to GICS sector classification

SOXX may suit investors who:

prefer concentrated semiconductor exposure to maximize participation in AI chip demand, memory recovery, and data center buildout cycles
value semiconductor equipment companies (AMAT, LRCX, KLAC) included in SOXX but underrepresented in broader tech ETFs
want maximum upside in semiconductor bull markets — SOXX can significantly outperform XLK and even QQQ during strong chip cycles
are comfortable with 50%+ drawdowns during semiconductor inventory down-cycles and 0.35% expense ratio for the concentrated exposure

Performance & AI score

Performance & AI score
Metric	XLK	SOXX
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Valuation & upside potential

Valuation & upside potential
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Growth, profitability & risk

Growth, profitability & risk
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Drawdown & downside risk

Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.

1Y risk snapshot

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5Y risk snapshot

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10Y risk snapshot

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Performance metrics by period

Performance metrics by period
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AI Prediction Signali

Members only

Next 5 trading days

XLK

+2.8%BUY

SOXX

+1.1%HOLD

Next 30 trading days

XLK

+6.4%BUY

SOXX

+3.2%HOLD

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Business comparison

Business comparison
Category	XLK	SOXX
Company	Technology Select Sector SPDR Fund	iShares Semiconductor ETF
Sector	ETF	ETF
Industry	N/A	N/A
Core business	XLK tracks the Technology Select Sector Index — the S&P 500's technology sector stocks including software (Microsoft, Oracle, Salesforce), semiconductors (Nvidia, Broadcom), hardware (Apple), and IT services. Apple and Microsoft alone represent 45%+ of XLK's weight due to market cap weighting. XLK excludes technology-adjacent stocks classified in other S&P 500 sectors (Alphabet in Communication Services, Amazon in Consumer Discretionary). Expense ratio: 0.09%.	SOXX tracks the PHLX Semiconductor Sector Index — focused exclusively on semiconductor companies including Nvidia, Broadcom, TSMC (ADR), Qualcomm, AMD, Intel, Applied Materials, Lam Research, and others. SOXX provides pure-play semiconductor exposure including chipmakers, equipment makers, and semiconductor IP companies. Expense ratio: 0.35%.
Investor focus	Investors focus on broad technology sector exposure including software, semiconductors, hardware, and IT services — the complete S&P 500 technology sector as defined by GICS.	Investors focus on semiconductor cycle exposure — semiconductors are highly cyclical with strong bull and bear cycles tied to inventory build/draw and AI-driven demand surges. SOXX provides concentrated bet on the semiconductor industry.

XLK strengths

Very low 0.09% expense ratio for technology sector exposure
Includes both software (Microsoft, Oracle) and semiconductor (Nvidia, Broadcom) alongside hardware (Apple) — comprehensive tech sector coverage
Market-cap weighting means XLK concentrates in the highest-quality, largest-cap technology companies

SOXX strengths

Pure-play semiconductor exposure captures the full upside of semiconductor bull cycles (AI chip demand, memory recovery, data center buildout)
Semiconductor industry has long-term structural growth driven by AI, automotive, IoT, and 5G — SOXX captures all these drivers simultaneously
Includes the most complete semiconductor company coverage including equipment makers (AMAT, LRCX, KLAC) not fully represented in XLK

Risks to watch — XLK

Apple and Microsoft represent 45%+ of XLK — very concentrated at the top two holdings
Excludes Alphabet (Google) and Amazon classified in Communication Services and Consumer Discretionary — major tech companies missing from XLK
Broad tech exposure dilutes semiconductor bull market upside compared to a semiconductor-focused ETF like SOXX

Risks to watch — SOXX

0.35% expense ratio is 4x XLK's cost — meaningful drag over long holding periods
Semiconductors are among the most cyclical industries — SOXX regularly experiences 50%+ drawdowns during inventory down-cycles
Single industry concentration means SOXX dramatically underperforms broad tech during periods when software or hardware outperforms chips

Frequently asked questions

XLK is the more stable, lower-risk technology holding appropriate as a core tech allocation. SOXX is appropriate as a tactical or higher-conviction semiconductor cycle bet — it outperforms massively in chip bull markets but underperforms significantly in down-cycles. Most long-term investors prefer XLK for its stability; semiconductor-conviction investors add SOXX as a tactical satellite.

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