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ETF comparison

IWF vs IWO

US Large Cap Growth vs US Small Cap.

iShares Russell 1000 Growth ETF · iShares Russell 2000 Growth ETF

Holdings overlap

Weighted by ISIN/CUSIP
0.0 %

0 positions appear in both funds. Buying equal dollars of IWF and IWO would leave roughly 0.0% of each dollar exposed to the same underlying securities.

IWF unmatched 99.9% Shared 0.0% IWO unmatched 99.6%

Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.

In IWF only
368 positions
Shared
0 positions
In IWO only
1,133 positions

Side by side

IWF

iShares Russell 1000 Growth ETF

iShares · US Large Cap Growth

81 composite / 100
Expense ratio
0.18%
Net assets
$127.74B
TTM yield
0.36%
Top-10 conc.
54.3%
IWO

iShares Russell 2000 Growth ETF

iShares · US Small Cap

88 composite / 100
Expense ratio
0.24%
Net assets
$14.11B
TTM yield
0.49%
Top-10 conc.
6.0%

Sub-score comparison

82
Cost
76
90
Tax efficiency
90
100
Liquidity
100
37
Concentration
100
—
Tracking quality
—
IWF sub-score IWO

Tracking quality isn't part of the composite — see what we don't score for why.

Cost difference

IWF is 6 bps cheaper than IWO. On a $100,000 position that's about $60/yr more in fees for IWO.

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

Top shared holdings

0 shared in total

No shared holdings between these funds.

Only in IWF

368 total
  • NVIDIA CORPORATION 13.83%
  • APPLE INC. 6.72%
  • ALPHABET INC. 6.17%
  • BROADCOM INC. 5.21%
  • ALPHABET INC. 4.98%
  • MICROSOFT CORPORATION 4.11%
  • MICRON TECHNOLOGY, INC. 3.86%
  • TESLA, INC. 3.64%
  • META PLATFORMS, INC. 3.00%
  • ELI LILLY AND COMPANY 2.84%

Only in IWO

1,133 total
  • Moog, Inc. 0.73%
  • BrightSpring Health Services, Inc. 0.68%
  • MaxLinear, Inc. 0.66%
  • Argan, Inc. 0.66%
  • JFrog Ltd. 0.59%
  • Krystal Biotech, Inc. 0.58%
  • ESCO Technologies, Inc. 0.56%
  • FirstCash Holdings, Inc. 0.53%
  • D-Wave Quantum, Inc. 0.53%
  • StoneX Group, Inc. 0.52%

Related comparisons

More comparisons with IWF

More comparisons with IWO

Percentages are holdings overlap with the named fund.

Open IWF or IWO at a brokerage

Both funds trade commission-free at major US brokerages.

Open at Fidelity

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