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ETF comparison

ITOT vs VBK

US Total Market vs US Small Cap.

iShares Core S&P Total U.S. Stock Market ETF · Vanguard Morningstar Small-Cap Growth ETF

Holdings overlap

Weighted by ISIN/CUSIP
5.5 %

525 positions appear in both funds. Buying equal dollars of ITOT and VBK would leave roughly 5.5% of each dollar exposed to the same underlying securities.

ITOT unmatched 94.3% Shared 5.5% VBK unmatched 94.3%

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 ITOT only
1,973 positions
Shared
525 positions
In VBK only
18 positions

Side by side

ITOT

iShares Core S&P Total U.S. Stock Market ETF

iShares · US Total Market

92 composite / 100
Expense ratio
0.030%
Net assets
$95.86B
TTM yield
1.02%
Top-10 conc.
32.1%
VBK

Vanguard Morningstar Small-Cap Growth ETF

Vanguard · US Small Cap

96 composite / 100
Expense ratio
0.050%
Net assets
$42.94B
whole fund, 4 share classes
TTM yield
0.43%
Top-10 conc.
9.3%

Sub-score comparison

97
Cost
95
88
Tax efficiency
90
100
Liquidity
100
68
Concentration
100
—
Tracking quality
—
ITOT sub-score VBK

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

Cost difference

ITOT is 2 bps cheaper than VBK. On a $100,000 position that's about $20/yr more in fees for VBK.

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 ITOT vs VBK.

Top shared holdings

525 shared in total
# Holding In ITOT In VBK Overlap
1 Astera Labs, Inc. 0.09% 1.05% 0.09%
2 Flex Ltd. 0.08% 0.42% 0.08%
3 Credo Technology Group Holding Ltd. 0.06% 1.27% 0.06%
4 Natera, Inc. 0.05% 1.04% 0.05%
5 Revolution Medicines, Inc. 0.05% 1.06% 0.05%
6 EMCOR Group, Inc. 0.05% 0.52% 0.05%
7 EQT Corp. 0.05% 0.23% 0.05%
8 Twilio, Inc. 0.04% 0.88% 0.04%
9 Carpenter Technology Corp. 0.04% 0.82% 0.04%
10 MKS, Inc. 0.04% 0.42% 0.04%
11 Casey's General Stores, Inc. 0.04% 0.83% 0.04%
12 Curtiss-Wright Corp. 0.04% 0.79% 0.04%

Only in ITOT

1,973 total
  • NVIDIA Corp. 6.63%
  • Apple, Inc. 5.81%
  • Microsoft Corp. 3.79%
  • Amazon.com, Inc. 3.19%
  • Alphabet, Inc. 2.86%
  • Broadcom, Inc. 2.45%
  • Alphabet, Inc. 2.29%
  • Micron Technology, Inc. 1.78%
  • Meta Platforms, Inc. 1.69%
  • Tesla, Inc. 1.62%

Only in VBK

18 total
  • JFrog Ltd 0.26%
  • Kiniksa Pharmaceuticals International Plc 0.08%
  • Caris Life Sciences Inc 0.06%
  • Energy Fuels Inc/Canada 0.05%
  • Voyager Technologies Inc 0.05%
  • Marqeta Inc 0.04%
  • Quantinuum Inc 0.03%
  • Hagerty Inc 0.02%
  • Aevex Corp 0.01%
  • Pattern Group Inc 0.01%

Percentages are holdings overlap with the named fund.

Open ITOT or VBK 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 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.