Data as of Oct 28, 2026.

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IUSB vs PULS: Differences, Returns & Fees

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IUSB's duration was 5.5 years on Jul 31, 2026 and PULS's 0.7 on May 29, 2026; IUSB charges 0.06% to PULS's 0.15%.

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Net assets on Oct 27, 2026: $49.8bn for iShares Core Universal USD Bond ETF and $19.8bn for PGIM Ultra Short Bond ETF.

At a glance
−1.2%
IUSB total return, 1 year
+4.0%
PULS total return, 1 year
0.06%
IUSB expense ratio
0.15%
PULS expense ratio

Pair scorecard

IUSB costs 0.09 points a year less; their one-year returns differ by 5.2 points; IUSB is 2.5 times larger.

IUSB vs PULS: Differences, Returns & Fees
MeasureIUSBPULS
Return
Total return, 1 year−1.2%+4.0%
Benchmark
What it tracksBloomberg U.S. Universal IndexNo index, actively managed
Cost and size
Expense ratio0.06%0.15%
Net assets, as of Oct 27, 2026$49.8bn$19.8bn
Holdings
Holdings in common1%

Holdings in common uses holdings dated May 29, 2026 and Jul 31, 2026. Method

What they share

1%

By the books each fund has filed, IUSB and PULS hold 1% of their money in the same securities at the same weight. Holdings dated May 29, 2026 and Jul 31, 2026.

0 half 100%

half

1% in common

Positions both hold · largest shared weight first IUSB PULS
U.S. Treasury Notes, due Nov 15, 2027 0.18% 0.19%
U.S. Treasury Notes, due Jan 15, 2028 0.15% 0.01%
Pfizer Investment Enterprises Pte. Ltd., due May 19, 2028 0.01% 0.02%
Salesforce, Inc., due Mar 15, 2029 0.01% 0.32%
Amazon.com, Inc., due Mar 13, 2029 0.01% 0.24%
Amazon.com, Inc., due Nov 20, 2028 0.01% 0.18%
Salesforce, Inc., due Mar 15, 2028 0.01% 0.32%
Alphabet, Inc., due Feb 15, 2029 0.01% 0.19%
Nordea Bank Abp, due May 21, 2029 0.01% 0.09%
Amazon.com, Inc., due Mar 13, 2028 0.01% 0.24%
Fidelity National Information Services, Inc., due Mar 10, 2029 0.01% 0.15%
Target Corp., due Jun 15, 2028 0.01% 0.09%
Only in one fund ↓
Only in IUSB
Uniform Mortgage-Backed Securities, due Aug 25, 2056 0.41%
U.S. Treasury Notes, due Dec 31, 2029 0.37%
U.S. Treasury Notes, due May 15, 2036 0.37%
U.S. Treasury Notes, due Feb 15, 2034 0.36%
U.S. Treasury Notes, due Feb 15, 2035 0.35%
U.S. Treasury Notes, due Aug 15, 2035 0.34%
U.S. Treasury Notes, due May 15, 2034 0.34%
U.S. Treasury Notes, due Nov 15, 2034 0.34%
Only in PULS
PGIM AAA CLO ETF 1.81%
Phillips 66 0% CP 22/06/2026, due Jun 22, 2026 0.83%
GLENCORE FUNDING LLC 0% CP 17/06/2026, due Jun 17, 2026 0.74%
Alexandria Real Estate Equities, Inc. 0% CP 01/06/2026, due Jun 1, 2026 0.66%
INTESA SANPAOLO SPA NEW YORK BRANCH 4.27% CP 30/06/2026, due Jun 30, 2026 0.63%
ABNANV 4.718 01/22/27 144A, due Jan 22, 2027 0.57%
Healthpeak Properties Inc 0% CP 24/06/2026, due Jun 24, 2026 0.52%
BX 2022-LBA6 A, due Jan 18, 2039 0.51%
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Side by side

IUSB iShares Core Universal USD Bond ETF PULS PGIM Ultra Short Bond ETF
Where it sits Bond ETF Bond ETF
Issuer iShares PGIM
What it is Tracks an index of Universal USD Bond Actively managed
Total return, 1 year −1.2% +4.0%
Expense ratio 0.06% 0.15%
Holdings 18338 553
Net assets, as of Oct 27, 2026 $49.8bn $19.8bn

IUSB and PULS on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.

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About each fund
IUSB

IUSB tracks an index of Universal USD Bond. Over the year to Oct 28, 2026 it returned −1.2% with distributions reinvested. The prospectus expense ratio is 0.06% a year.

PULS

PULS is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +4.0% with distributions reinvested. The prospectus expense ratio is 0.15% a year.

Questions people ask

Which returned more over the last year, IUSB or PULS?
In the year to Oct 28, 2026, with distributions reinvested, IUSB returned −1.2% and PULS +4.0%.
Which is cheaper, IUSB or PULS?
IUSB is cheaper, by 0.09 percentage points a year. That is about $9 on $10,000 held for a year. Fees come from each fund's prospectus.
Other comparisons
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ETFIQ, IUSB against PULS, data as of Oct 28, 2026. https://etfiq.com/compare/any/iusb-vs-puls

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