Data as of Nov 12, 2026.

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BSV vs ISTB: Differences, Returns & Fees

Return, fees and overlap, side by side.

Return gap
+0.1 pts
1 year to Nov 12, 2026: ISTB ahead, total return
Fee gap
0.03 pts
A year: BSV 0.03%, ISTB 0.06%, per filings dated Feb 23, 2026 and Apr 28, 2026
Overlap
63%
Share of the two books held in common, holdings dated Jun 30, 2026 and Jul 31, 2026
Net flow
–
Needs daily flows for both funds

Risk and return

Nov 2, 2012 to Nov 6, 2026 · 731 weekly returns
BSV ISTB
Return
Total return edge ISTB +27.6% +32.0%
Annualized edge ISTB +1.7% +2.0%
Price return edge ISTB (slight) −5.3% −5.1%
Risk
Volatility edge BSV 2.1% 2.5%
Max drawdown edge BSV (slight) −8.1% −9.0%
Risk-adjusted
Sharpe edge ISTB −0.04 0.07
Sortino edge ISTB −0.05 0.10
Calmar edge ISTB (slight) 0.21 0.22
Reading

From Nov 2012 to Nov 2026, ISTB returned more: +32.0% to +27.6%. BSV swung less: 2.1% to 2.5%. BSV fell slightly less at its worst: −8.1% to −9.0%.

Full scorecard

9 measures
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Risk and return: BSV vs ISTB: Differences, Returns & Fees
MeasureBSVISTBEdgeHow it is measured
Return
Total return+27.6%+32.0%ISTBPrice change plus distributions, reinvested.
Annualized+1.7%+2.0%ISTBTotal return as a yearly rate.
Price return−5.3%−5.1%ISTB (slight)Price change alone, distributions left out.
Risk
Volatility2.1%2.5%BSVSpread of weekly returns, annualized. Lower is steadier.
Downside deviation1.5%1.8%BSVLike volatility, counting only weeks below the Treasury bill rate.
Max drawdown−8.1%−9.0%BSV (slight)Deepest fall from a high to the low after it.
Risk-adjusted
Sharpe−0.040.07ISTBReturn above Treasury bills per unit of volatility.
Sortino−0.050.10ISTBReturn above Treasury bills per unit of downside deviation.
Calmar0.210.22ISTB (slight)Annualized return divided by the max drawdown.

Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 731 weekly returns. Cash rate: the 13-week Treasury bill.

Pair scorecard

BSV costs 0.03 points a year less; their one-year returns differ by 0.1 points.

BSV vs ISTB: Differences, Returns & Fees
MeasureBSVISTB
Return
Total return, 1 year+0.9%+1.0%
Benchmark
What it tracksBloomberg U.S. 1-5 Year Government/Credit Float Adjusted IndexBloomberg U.S. Universal 1-5 Year Index
Cost and size
Expense ratio0.03%0.06%
Net assets, BSV as of Oct 31, 2026 and ISTB as of Nov 12, 2026$46.9bn$5.3bn
Holdings
Holdings in common63%

Method

Key numbers
+0.9%
BSV total return, 1 year
+1.0%
ISTB total return, 1 year
0.03%
BSV expense ratio
0.06%
ISTB expense ratio

What they share

63%

By the books each fund has filed, BSV and ISTB hold 63% of their money in the same securities at the same weight. Holdings dated Jun 30, 2026 and Jul 31, 2026.

0 half 100%

half

63% in common

Positions both hold · largest shared weight first BSV ISTB
US TREASURY N/B, due Feb 28, 2030 0.88% 0.90%
US TREASURY N/B, due Jul 31, 2029 0.72% 0.73%
US TREASURY N/B, due Sep 30, 2030 0.70% 0.79%
US TREASURY N/B, due Oct 31, 2029 0.68% 0.74%
US TREASURY N/B, due Jun 30, 2029 0.71% 0.65%
US TREASURY N/B, due Aug 31, 2030 0.64% 0.78%
US TREASURY N/B, due Nov 30, 2030 0.63% 0.83%
US TREASURY N/B, due Jan 31, 2030 0.63% 0.62%
US TREASURY N/B, due Jan 31, 2031 0.58% 0.81%
US TREASURY N/B, due Mar 31, 2030 0.62% 0.58%
US TREASURY N/B, due May 31, 2030 0.57% 0.75%
US TREASURY N/B, due Nov 30, 2027 0.75% 0.57%
Only in one fund ↓
Only in BSV
US TREASURY N/B, due Nov 15, 2030 0.79%
US TREASURY N/B, due Feb 15, 2031 0.77%
US TREASURY N/B, due Aug 15, 2030 0.75%
US TREASURY N/B, due May 15, 2030 0.55%
US TREASURY N/B, due Feb 15, 2029 0.48%
US TREASURY N/B, due May 15, 2029 0.40%
US TREASURY N/B, due Jul 31, 2027 0.38%
US TREASURY N/B, due Feb 15, 2030 0.38%
Only in ISTB
U.S. Treasury Notes, due Jun 30, 2031 0.57%
Uniform Mortgage-Backed Security, TBA, due Aug 1, 2041 0.30%
Freddie Mac Multifamily Structured Pass Through Certificates, due Aug 25, 2028 0.20%
U.S. Treasury Notes, due Jun 15, 2029 0.19%
U.S. Treasury Notes, due Jun 30, 2031 0.14%
Benchmark 2023-B38 Mortgage Trust, due Apr 15, 2056 0.14%
Fannie Mae Pool, due Feb 1, 2037 0.11%
Freddie Mac Pool, due May 1, 2036 0.11%
Check overlap with more funds →

Side by side

BSV Vanguard Short-Term Bond ETF ISTB iShares Core 1-5 Year USD Bond ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index of Short-Term Bond Tracks an index
Total return, 1 year +0.9% +1.0%
Its benchmark over the same days not measured −1.0% (IUSB)
Gap to its benchmark not measured +2.0 pts vs IUSB
Expense ratio 0.03% 0.06%
Holdings 3156 7602
Net assets, BSV as of Oct 31, 2026 and ISTB as of Nov 12, 2026 $46.9bn $5.3bn

BSV and ISTB on the fields both publish, as of Nov 12, 2026. Source: ETFIQ.

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About each fund
BSV

BSV tracks an index of Short-Term Bond. Over the year to Nov 12, 2026 it returned +0.9% with distributions reinvested. The prospectus expense ratio is 0.03% a year.

ISTB

ISTB tracks an index. Over the year to Nov 12, 2026 it returned +1.0% with distributions reinvested, against −1.0% for its benchmark, the Bloomberg U.S. Universal Index. The prospectus expense ratio is 0.06% a year.

Questions people ask

Which returned more over the last year, BSV or ISTB?
In the year to Nov 12, 2026, with distributions reinvested, BSV returned +0.9% and ISTB +1.0%.
Which is cheaper, BSV or ISTB?
BSV is cheaper, by 0.03 percentage points a year. That is about $3 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
Cite this pageCitation, APA and Markdown

ETFIQ, BSV against ISTB, data as of Nov 12, 2026. https://etfiq.com/compare/any/bsv-vs-istb

Open data →

Free to use with attribution for data ETFIQ computes; issuer data stays under its owner's terms.

Net assets: $46.9bn on Oct 31, 2026 for Vanguard Short-Term Bond ETF, and $5.3bn on Nov 12, 2026 for iShares Core 1-5 Year USD Bond ETF.

Growth of 100

BSV and ISTB

Total return, distributions reinvested, 1 year.

BSV +0.9%ISTB +1.0%
Nov 12, 2025Nov 12, 2026

BSV +0.9%, ISTB +1.0%: ISTB +0.1 pts ahead, 1 year, Nov 12, 2025 to Nov 12, 2026.