ETF comparison

IWMvsSMLF

US Small Cap vs Multi-Factor.

iShares Russell 2000 ETF · iShares U.S. Small-Cap Equity Factor ETF

Holdings overlap

Weighted by ISIN/CUSIP
33.0%

490 positions appear in both funds. Buying equal dollars of IWM and SMLF would leave roughly33.0%of each dollar exposed to the same underlying securities.

IWM only 83.8%Shared 33.0%SMLF only 73.6%
In IWM only
1,525 positions
Shared
490 positions
In SMLF only
400 positions

Side by side

IWM

iShares Russell 2000 ETF

iShares · US Small Cap

88composite / 100
Expense ratio
0.19%
Net assets
$80.46B
TTM yield
0.92%
Top-10 conc.
20.1%
SMLF

iShares U.S. Small-Cap Equity Factor ETF

iShares · Multi-Factor

86composite / 100
Expense ratio
0.15%
Net assets
$4.26B
TTM yield
1.03%
Top-10 conc.
15.3%

Sub-score comparison

81
Cost
85
89
Tax efficiency
86
100
Liquidity
84
86
Concentration
92
Tracking quality
IWMsub-scoreSMLF

Tracking quality isn't part of the composite — seewhat we don't scorefor why.

Cost difference

SMLF is 4 bps cheaper than IWM. On a $100,000 position that's about $40/yr more in fees for IWM.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open thecost calculator pre-filled with IWM vs SMLF.

Top shared holdings

490 shared in total
#HoldingIn IWMIn SMLFOverlap
1BlackRock Funds III17.02%7.81%7.81%
2Argan, Inc.0.34%0.49%0.34%
3Alkermes plc0.27%0.29%0.27%
4Lumen Technologies, Inc.0.23%0.22%0.22%
5Macerich Co. (The)0.22%0.26%0.22%
6Terex Corp.0.26%0.20%0.20%
7Nuvalent, Inc.0.21%0.19%0.19%
8Axcelis Technologies, Inc.0.18%0.19%0.18%
9Archrock, Inc.0.22%0.18%0.18%
10Kulicke & Soffa Industries, Inc.0.21%0.17%0.17%
11GATX Corp.0.20%0.17%0.17%
12Matson, Inc.0.18%0.17%0.17%

Only in IWM

1,525 total
  • Hut 8 Corp.0.37%
  • MaxLinear, Inc.0.34%
  • Riot Platforms, Inc.0.30%
  • Krystal Biotech, Inc.0.30%
  • ESCO Technologies, Inc.0.29%
  • CareTrust REIT, Inc.0.28%
  • Old National Bancorp0.28%
  • FirstCash Holdings, Inc.0.28%
  • Plexus Corp.0.25%
  • Enpro, Inc.0.25%

Only in SMLF

400 total
  • EMCOR Group, Inc.1.33%
  • BlackRock Funds III0.95%
  • Jabil, Inc.0.88%
  • nVent Electric plc0.84%
  • Interactive Brokers Group, Inc.0.78%
  • Mueller Industries, Inc.0.70%
  • Sterling Infrastructure, Inc.0.69%
  • Flex Ltd.0.68%
  • Tapestry, Inc.0.66%
  • Reliance, Inc.0.52%

Open IWM or SMLF at a brokerage

Both funds trade commission-free at major US brokerages.

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodologyand funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see/methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.