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SMH vs SOXX — ETF comparison

Two funds head-to-head: live engine reads, trailing performance, and holdings overlap from SEC filings. An engine-read comparison — not a recommendation.

SMH
VanEck Semiconductor ETF
55/100
BUY
$560.28 · -2.74% · Technology
Full ETF page →
VS
engine lead
SOXX
iShares Semiconductor ETF
57/100
BUY
$517.43 · -3.20% · Technology
Full ETF page →
Factor by factor — SMH (left) vs SOXX (right)
67
Technical
66
47
Momentum
42
50
Fundamental
50
34
Options
49
46
Microstructure
55
Trailing performance — SMH (left) vs SOXX (right)
+43.2%
6-month return
+55.5%
+92.8%
1-year return
+113.6%
+325.0%
5-year return
+243.4%
Holdings overlap — 55% by weight · 15 shared positions
17.55%
7.58%
5.63%
7.04%
5.67%
4.98%
5.15%
4.88%
5.31%
4.73%
5.74%
4.51%
5.04%
4.38%
4.17%
4.80%
Largest SMH-only positions: CDNS 2.15% · SNPS 1.79%
Largest SOXX-only positions: ENTG 1.37% · RMBS 1.09% · MTSI 0.79% · ASX 0.58%

From each fund's SEC N-PORT filing (2026-08-26 / 2026-07-13), computed on the 17 of 25 and 19 of 30 equity positions matched to the QuantLogix stock universe — a lower bound, never an estimate.

QuantLogix's 5-factor engine currently reads VanEck Semiconductor ETF (SMH) at 55/100 (buy) and iShares Semiconductor ETF (SOXX) at 57/100 (buy). SOXX carries the stronger composite read by 2 points, led by technical at 66/100. SMH's strongest leg is technical at 67/100. On trailing price performance, SOXX leads over the last year (+113.6% vs +92.8% for SMH). By filed portfolio weights, at least 55% of the two funds overlaps across 15 shared positions. Signals recompute throughout the trading day — the balance can shift with the tape.

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🤖 Want the deeper take? Pro runs a 10-agent AI debate on either name — 5 analysts, bull vs bear, a risk read, and a trader's verdict. See Pro →

Educational market analysis, not investment advice. QuantLogix does not provide personalized recommendations. SMH ETF page · SOXX ETF page · ETF rankings · Equities Network · Verified track record