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ETF comparison

BSV vs IUSB

Both US Aggregate Bond.

Vanguard Short-Term Bond Index Fund ETF Shares · iShares Core Universal USD Bond ETF

Holdings overlap

Weighted by ISIN/CUSIP
30.2 %

3,103 positions appear in both funds. Buying equal dollars of BSV and IUSB would leave roughly 30.2% of each dollar exposed to the same underlying securities.

BSV unmatched 68.4% Shared 30.2% IUSB unmatched 68.0%

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 BSV only
82 positions
Shared
3,103 positions
In IUSB only
14,941 positions

Side by side

BSV

Vanguard Short-Term Bond Index Fund ETF Shares

Vanguard · US Aggregate Bond

89 composite / 100
Expense ratio
0.030%
Net assets
$69.54B
whole fund, 5 share classes
TTM yield
4.10%
Top-10 conc.
8.4%
IUSB

iShares Core Universal USD Bond ETF

iShares · US Aggregate Bond

88 composite / 100
Expense ratio
0.060%
Net assets
$48.08B
TTM yield
4.34%
Top-10 conc.
3.5%

Sub-score comparison

97
Cost
94
52
Tax efficiency
52
100
Liquidity
100
100
Concentration
100
—
Tracking quality
—
BSV sub-score IUSB

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

Cost difference

BSV is 3 bps cheaper than IUSB. On a $100,000 position that's about $30/yr more in fees for IUSB.

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 BSV vs IUSB.

Top shared holdings

3,103 shared in total
# Holding In BSV In IUSB Overlap
1 United States Treasury Note/Bond 0.77% 0.37% 0.37%
2 United States Treasury Note/Bond 0.88% 0.31% 0.31%
3 United States Treasury Note/Bond 0.39% 0.30% 0.30%
4 United States Treasury Note/Bond 0.67% 0.30% 0.30%
5 United States Treasury Note/Bond 0.45% 0.29% 0.29%
6 United States Treasury Note/Bond 0.33% 0.29% 0.29%
7 United States Treasury Note/Bond 0.70% 0.28% 0.28%
8 United States Treasury Note/Bond 0.56% 0.28% 0.28%
9 United States Treasury Note/Bond 0.42% 0.27% 0.27%
10 United States Treasury Note/Bond 0.46% 0.27% 0.27%
11 United States Treasury Note/Bond 0.46% 0.27% 0.27%
12 United States Treasury Note/Bond 0.77% 0.26% 0.26%

Only in BSV

82 total
  • United States Treasury Note/Bond 0.38%
  • United States Treasury Note/Bond 0.38%
  • United States Treasury Note/Bond 0.33%
  • United States Treasury Note/Bond 0.30%
  • United States Treasury Note/Bond 0.11%
  • United States Treasury Note/Bond 0.10%
  • Federal Home Loan Banks 0.05%
  • Province of British Columbia Canada 0.04%
  • UBS AG/Stamford CT 0.04%
  • Kreditanstalt fuer Wiederaufbau 0.03%

Only in IUSB

14,941 total
  • Federal National Mortgage Association or Federal Home Loan Mortgage Corp. 0.41%
  • United States of America 0.37%
  • United States of America 0.36%
  • United States of America 0.35%
  • United States of America 0.34%
  • United States of America 0.34%
  • United States of America 0.34%
  • United States of America 0.33%
  • United States of America 0.33%
  • United States of America 0.33%

Related comparisons

More comparisons with BSV

More comparisons with IUSB

Percentages are holdings overlap with the named fund.

Open BSV or IUSB 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.