ETF comparison

DFASvsIWM

Both US Small Cap.

Dimensional U.S. Small Cap ETF · iShares Russell 2000 ETF

Holdings overlap

Weighted by ISIN/CUSIP
51.8%

1,471 positions appear in both funds. Buying equal dollars of DFAS and IWM would leave roughly51.8%of each dollar exposed to the same underlying securities.

DFAS only 56.8%Shared 51.8%IWM only 65.0%
In DFAS only
645 positions
Shared
1,471 positions
In IWM only
544 positions

Side by side

DFAS

Dimensional U.S. Small Cap ETF

Dimensional · US Small Cap

87composite / 100
Expense ratio
0.26%
Net assets
$15.54B
TTM yield
0.99%
Top-10 conc.
13.6%
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%

Sub-score comparison

74
Cost
81
89
Tax efficiency
89
100
Liquidity
100
95
Concentration
86
Tracking quality
DFASsub-scoreIWM

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

Cost difference

IWM is 7 bps cheaper than DFAS. On a $100,000 position that's about $70/yr more in fees for DFAS.

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 DFAS vs IWM.

Top shared holdings

1,471 shared in total
#HoldingIn DFASIn IWMOverlap
1FIRSTCASH HOLDINGS, INC.0.21%0.28%0.21%
2UMB FINANCIAL CORPORATION0.19%0.33%0.19%
3STONEX GROUP INC.0.19%0.27%0.19%
4ARGAN, INC.0.18%0.34%0.18%
5JACKSON FINANCIAL INC.0.18%0.19%0.18%
6FLUOR CORPORATION.0.18%0.23%0.18%
7OLD NATIONAL BANCORP0.18%0.28%0.18%
8ENERSYS0.18%0.27%0.18%
9MOOG INC.0.18%0.38%0.18%
10ESCO TECHNOLOGIES INC.0.18%0.29%0.18%
11LUMEN TECHNOLOGIES, INC.0.17%0.23%0.17%
12InterDigital, Inc.0.17%0.23%0.17%

Only in DFAS

645 total
  • DIMENSIONAL FUND ADVISORS LP8.84%
  • AMKOR TECHNOLOGY, INC.0.34%
  • TTM TECHNOLOGIES, INC.0.34%
  • ADVANCED ENERGY INDUSTRIES, INC.0.29%
  • WESCO INTERNATIONAL, INC.0.29%
  • MODINE MANUFACTURING COMPANY0.28%
  • ONTO INNOVATION INC.0.26%
  • BORGWARNER INC.0.25%
  • JAZZ PHARMACEUTICALS PUBLIC LIMITED COMPANY0.25%
  • APA CORPORATION0.25%

Only in IWM

544 total
  • BlackRock Funds III17.02%
  • Cytokinetics, Inc.0.35%
  • CareTrust REIT, Inc.0.28%
  • D-Wave Quantum, Inc.0.27%
  • Ryman Hospitality Properties, Inc.0.25%
  • Macerich Co. (The)0.22%
  • Terreno Realty Corp.0.21%
  • Nuvalent, Inc.0.21%
  • Spyre Therapeutics, Inc.0.20%
  • Essential Properties Realty Trust, Inc.0.20%

Open DFAS or IWM 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.