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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

PULS vs XBI: how they differ

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

PGIM Ultra Short Bond ETF and State Street(R) SPDR(R) S&P(R) Biotech ETF.

What they hold in common

By the books each fund has filed, PULS and XBI 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 PULSOnly in XBI
PGIM ETF Trust 2.38%Apogee Therapeutics Inc 1.49%
GLENCORE FUNDING LLC 0.98%Moderna Inc 1.41%
Alexandria Real Estate Equities, Inc. 0.87%Twist Bioscience Corp 1.41%
ABN AMRO BANK NV 0.75%Oruka Therapeutics Inc 1.38%
BX TRUST 2022-LBA6 0.68%Kymera Therapeutics Inc 1.36%
FEDERATION DES CAISSES DESJARDINS DU QUE 0.67%Viking Therapeutics Inc 1.31%
BX TRUST 2018-BILT 0.56%Praxis Precision Medicines Inc 1.29%
BROADCOM INC 0.56%Erasca Inc 1.27%

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 and May 29, 2026.

PULS and XBI on the fields both publish, as of Sep 12, 2026. Source: ETFIQ.
PULS
PGIM Ultra Short Bond ETF
XBI
State Street(R) SPDR(R) S&P(R) Biotech ETF
Where it sitsCore index fundCore index fund
IssuerPGIMState Street
What it isPGIM Ultra Short BondSPDR S&P Biotech
Total return, 1 year+4.2%+64.0%
S&P 500 over the same days+17.5%+17.5%
Gap to the S&P 500−13.3 pts+46.5 pts
Expense ratio0.15%0.35%
Holdings553150

PULS in plain words

PULS is a cash and treasury bills tracking the PGIM Ultra Short Bond. Over the year to Sep 11, 2026 it returned +4.2% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.15% a year.

XBI in plain words

XBI is an index equity fund tracking the SPDR S&P Biotech. Over the year to Sep 11, 2026 it returned +64.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.35% a year. By its holdings filed for Jun 30, 2026, 8% of the fund by weight is stocks the S&P 500 also holds, across 150 positions, with the top ten at 13.3%. It sat 9.6% below its high of Feb 8, 2021 on Sep 11, 2026.

Questions people ask

Which returned more over the last year, PULS or XBI?
In the year to Sep 12, 2026, with distributions reinvested, PULS returned +4.2% and XBI returned +64.0%, so XBI returned more. One year is one year; the longer windows are in the table.
Which is cheaper, PULS or XBI?
PULS charges 0.15% a year and XBI charges 0.35%, so PULS 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.

PULS against XBI, 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, PULS against XBI, data as of Sep 12, 2026. https://etfiq.com/compare/any/PULS-XBI Free to use with attribution; the underlying files are at Open data.

A comparison is not a recommendation. Standards and sources