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Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.

ETFIQetfiq.com · independent ETF data

SPY vs VUSB: how they differ

SPY and VUSB hold 0% of their weight in the same names, and SPY returned more over the year.

SPDR S&P 500 ETF Trust and Vanguard Ultra-Short Bond ETF.

What they hold in common

By the books each fund has filed, SPY and VUSB hold 0% of their money in the same securities at the same weight.

Largest positions each one holds and the other does not
Only in SPYOnly in VUSB
NVIDIA Corp. 7.52%United States Treasury Bill 4.24%
Apple, Inc. 6.59%United States Treasury Note/Bond 0.68%
Microsoft Corp. 4.30%PNC Financial Services Group Inc/The 0.59%
Amazon.com, Inc. 3.62%United States Treasury Note/Bond 0.53%
Alphabet, Inc. 3.25%Regions Bank/Birmingham AL 0.52%
Broadcom, Inc. 2.77%US Bancorp 0.51%
Alphabet, Inc. 2.59%Charles Schwab Corp/The 0.50%
Micron Technology, Inc. 2.02%Truist Bank 0.45%

Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026.

SPY and VUSB on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
SPY
SPDR S&P 500 ETF Trust
VUSB
Vanguard Ultra-Short Bond ETF
Where it sitsCore index fundCore index fund
IssuerState StreetVanguard
What it isS&P 500, book from IVVUltra-Short Bond
Total return, 1 year+17.5%+3.7%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 5000.0 pts−13.8 pts
Expense ratio0.09%0.10%
Holdings5041281

SPY in plain words

SPY is an index equity fund tracking the S&P 500. Over the year to Sep 11, 2026 it returned +17.5% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.09% a year. By its holdings filed for Jun 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 504 positions, with the top ten at 36.4%.

VUSB in plain words

VUSB is a cash and treasury bills tracking the Ultra-Short Bond. Over the year to Sep 11, 2026 it returned +3.7% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.10% a year.

Questions people ask

Which returned more over the last year, SPY or VUSB?
In the year to Sep 12, 2026, with distributions reinvested, SPY returned +17.5% and VUSB returned +3.7%, so SPY returned more. One year is one year; the longer windows are in the table.
Which is cheaper, SPY or VUSB?
SPY charges 0.09% a year and VUSB charges 0.10%, so SPY is cheaper. Fees come from each fund's prospectus.

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Where these figures came from

ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.

SPY against VUSB, ETFIQ, data as of Sep 12, 2026. Every figure is arithmetic on a named public source; the method is at etfiq.com/methodology. A comparison is not a recommendation.

Cite this page. ETFIQ, SPY against VUSB, data as of Sep 12, 2026. https://etfiq.com/compare/any/SPY-VUSB Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources