QuantLogix

IWM vs VB — 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.

engine lead
IWM
iShares Russell 2000 ETF
70/100
STRONG BUY
$300.23 · -1.26% · Small / Mid Cap
Full ETF page →
VS
VB
Vanguard Morningstar Small-Cap ETF
67/100
BUY
$303.63 · -1.41% · Small / Mid Cap
Full ETF page →
Factor by factor — IWM (left) vs VB (right)
69
Technical
74
51
Momentum
50
51
Fundamental
49
44
Options
65
72
Microstructure
56
Trailing performance — IWM (left) vs VB (right)
+15.6%
6-month return
+11.5%
+33.9%
1-year return
+25.2%
+40.5%
5-year return
+40.6%
Holdings overlap — 18.4% by weight · 425 shared positions
0.46%
0.26%
0.64%
0.25%
0.36%
0.22%
0.23%
0.17%
0.26%
0.17%
0.26%
0.16%
0.42%
0.15%
0.32%
0.14%
Largest IWM-only positions: ONB 0.27% · JBTM 0.26% · FBP 0.19% · HOMB 0.19% · CRSP 0.19%
Largest VB-only positions: EME 0.46% · NRG 0.43% · ATO 0.43% · CIEN 0.38% · CASY 0.38%

From each fund's SEC N-PORT filing (2026-07-13 / 2026-05-28), computed on the 982 of 1977 and 849 of 1312 equity positions matched to the QuantLogix stock universe — a lower bound, never an estimate.

QuantLogix's 5-factor engine currently reads iShares Russell 2000 ETF (IWM) at 70/100 (strong buy) and Vanguard Morningstar Small-Cap ETF (VB) at 67/100 (buy). IWM carries the stronger composite read by 3 points, led by microstructure at 72/100. VB's strongest leg is technical at 74/100. On trailing price performance, IWM leads over the last year (+33.9% vs +25.2% for VB). By filed portfolio weights, at least 18.4% of the two funds overlaps across 425 shared positions. Signals recompute throughout the trading day — the balance can shift with the tape.

Track IWM with free signal alerts Browse all 4,900+ ETF rankings
🤖 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. IWM ETF page · VB ETF page · ETF rankings · Equities Network · Verified track record