IBDY vs SPBO: Differences, Returns & Fees

IBDY's duration was 5.5 years on Jul 31, 2026 and SPBO's 6.9 on Jun 30, 2026; SPBO charges 0.03% to IBDY's 0.10%. Net assets: $1.2bn on Oct 9, 2026 for iShares iBonds Dec 2033 Term Corporate ETF, and $2.1bn on Oct 8, 2026 for State Street SPDR Portfolio Corporate Bond ETF.

SPBO costs 0.07 points a year less; their one-year returns differ by 0.3 points; SPBO is 1.8 times larger.

IBDY vs SPBO: Differences, Returns & Fees
IBDYSPBO
Expense ratio0.10%0.03%
Net assets, as of Oct 8, 2026$1.2bn$2.1bn
Total return, 1 year−1.5%−1.8%
What it tracksBloomberg December 2033 Maturity Corporate IndexBloomberg U.S. Corporate Bond Index ?
Holdings in common5%
Below its high4.2%, high on Feb 27, 20264.0%, high on Feb 26, 2026

Holdings in common uses holdings dated Jun 30, 2026 and Jul 31, 2026.

−1.5%
IBDY total return, 1 year
−1.8%
SPBO total return, 1 year
0.10%
IBDY expense ratio
0.03%
SPBO expense ratio

What they hold in common

By the books each fund has filed, IBDY and SPBO hold 5% of their money in the same securities at the same weight. Above 50%, holding both is close to holding one of them twice. Holdings dated Jun 30, 2026 and Jul 31, 2026.

half

5% in common

Positions both hold, largest shared weight first
Holding IBDY SPBO
UnitedHealth Group, Inc., due Feb 15, 2033 0.59% 0.10%
Humana, Inc., due Mar 1, 2033 0.22% 0.10%
HP, Inc., due Jan 15, 2033 0.30% 0.10%
Amgen, Inc., due Mar 2, 2033 1.25% 0.10%
Salesforce, Inc., due Mar 15, 2033 0.78% 0.09%
Gilead Sciences, Inc., due Oct 15, 2033 0.30% 0.09%
Rio Tinto Alcan, Inc., due Dec 15, 2033 0.24% 0.09%
John Deere Capital Corp., Series I, due Sep 8, 2033 0.31% 0.08%
Fox Corp., due Oct 13, 2033 0.37% 0.08%
Amazon.com, Inc., due Mar 13, 2033 1.13% 0.08%
Athene Holding Ltd., due Feb 1, 2033 0.12% 0.08%
Space Exploration Technologies Corp., due Jul 15, 2033 1.54% 0.07%
Only in IBDY
AT&T, Inc., due Apr 30, 2033 0.57%
Sumitomo Mitsui Financial Group, Inc., due Jan 13, 2033 0.53%
Amazon.com, Inc., due Jul 9, 2033 0.51%
JBS NV, due Apr 1, 2033 0.50%
Intercontinental Exchange, Inc., due Mar 15, 2033 0.47%
Comcast Corp., due Jan 15, 2033 0.47%
ONEOK, Inc., due Sep 1, 2033 0.45%
Energy Transfer LP, due Feb 15, 2033 0.45%
Only in SPBO
Bank of America Corp, due Jul 21, 2028 0.27%
Bank of America Corp, due May 14, 2038 0.22%
Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc, due Feb 1, 2046 0.20%
BAT Capital Corp, due Aug 2, 2043 0.18%
Bank of America Corp, due Mar 5, 2029 0.16%
Bank of America Corp, due Dec 20, 2028 0.16%
CVS Health Corp, due Jun 1, 2044 0.16%
JPMorgan Chase & Co, due Jul 23, 2036 0.15%

Check overlap with more funds →

On the same fields

IBDY
iShares iBonds Dec 2033 Term Corporate ETF
SPBO
State Street SPDR Portfolio Corporate Bond ETF
Where it sits Bond ETF Bond ETF
What it is Tracks an index Tracks an index
Total return, 1 year −1.5% −1.8%
Its benchmark over the same days not published −1.9% (VTC)
Gap to its benchmark not available +0.1 pts vs VTC
Expense ratio 0.10% 0.03%
Holdings 420 4403
Net assets, IBDY as of Oct 9, 2026 and SPBO as of Oct 8, 2026 $1.2bn $2.1bn

IBDY and SPBO on the fields both publish, as of Oct 9, 2026. Source: ETFIQ.

About IBDY

IBDY tracks an index. Over the year to Oct 9, 2026 it returned −1.5% with distributions reinvested. The prospectus expense ratio is 0.10% a year. It sat 4.2% below its high of Feb 27, 2026 on Oct 9, 2026.

About SPBO

SPBO tracks an index. Over the year to Oct 9, 2026 it returned −1.8% with distributions reinvested, against −1.9% for its benchmark, the Bloomberg U.S. Corporate Bond Index ?. The prospectus expense ratio is 0.03% a year. It sat 4.0% below its high of Feb 26, 2026 on Oct 9, 2026.

Questions people ask

Which returned more over the last year, IBDY or SPBO?
In the year to Oct 9, 2026, with distributions reinvested, IBDY returned −1.5% and SPBO −1.8%.
Which is cheaper, IBDY or SPBO?
SPBO is cheaper, by 0.07 percentage points a year. That is about $7 on $10,000 held for a year. Fees come from each fund's prospectus.
Cite this pageCitation, APA and Markdown

ETFIQ, IBDY against SPBO, data as of Oct 9, 2026. https://etfiq.com/compare/any/ibdy-vs-spbo

Open data

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