Which returned more over the last year, MBB or PDBC?

In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and PDBC +55.6%.

Which is cheaper, MBB or PDBC?

MBB is cheaper, by 0.55 percentage points a year. That is about $55 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

MBB vs PDBC: Differences, Returns & Fees

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Over the year to Oct 28, 2026, MBB returned −0.8% to PDBC's +55.6%; 0% of their weight is in the same names.

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Net assets: $35.5bn on Oct 28, 2026 for iShares MBS ETF, and $8.0bn on Oct 27, 2026 for Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF.

MBB on its own →PDBC on its own →

At a glance

−0.8%

MBB total return, 1 year

+55.6%

PDBC total return, 1 year

0.04%

MBB expense ratio

0.59%

PDBC expense ratio

Pair scorecard

MBB costs 0.55 points a year less; their one-year returns differ by 56.4 points; MBB is 4.4 times larger.

MBB vs PDBC: Differences, Returns & Fees
Measure	MBB	PDBC
Return
Measure	MBB	PDBC
Total return, 1 year	−0.8%	+55.6%
Benchmark
Measure	MBB	PDBC
What it tracks	Bloomberg U.S. MBS Index	No index, actively managed
Cost and size
Measure	MBB	PDBC
Expense ratio	0.04%	0.59%
Net assets, as of Oct 26, 2026	$35.6bn	$8.1bn
Holdings
Measure	MBB	PDBC
Holdings in common	0%

Holdings in common uses holdings dated Oct 27, 2026. Method

What they share

By the books each fund has filed, MBB and PDBC hold 0% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first MBB PDBC

Only in one fund ↓

Only in MBB

BLACKROCK CASH CL INST SL AGENCY 5.45%

FHLMC 30YR UMBS SUPER 1.05%

UMBS 30YR TBA(REG A) 0.60%

GNMA2 30YR 0.59%

GNMA2 30YR 0.54%

FNMA 30YR UMBS 0.53%

GNMA2 30YR 0.53%

GNMA2 30YR 0.52%

Only in PDBC

POWERSHARES CAYMAN FUND 19.37%

Check overlap with more funds →

Side by side

MBB iShares MBS ETF PDBC Invesco Optimum Yield Diversified Commodity Strategy No K-1 ETF

Where it sits Bond ETF Commodity ETF

Issuer iShares Invesco

What it is Tracks an index of mortgage-backed securities Actively managed

Total return, 1 year −0.8% +55.6%

Its benchmark over the same days −1.1% (SPMB) +54.6% (DBC)

Gap to its benchmark +0.3 pts vs SPMB +1.0 pts vs DBC

Expense ratio 0.04% 0.59%

Holdings 10813 1

Net assets, MBB as of Oct 28, 2026 and PDBC as of Oct 27, 2026 $35.5bn $8.0bn

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

Alert

About each fund

MBB

MBB tracks an index of mortgage-backed securities. Over the year to Oct 28, 2026 it returned −0.8% with distributions reinvested, against −1.1% for its benchmark, the Bloomberg U.S. MBS Index. The prospectus expense ratio is 0.04% a year.

PDBC

PDBC is actively managed and tracks no index. Over the year to Oct 28, 2026 it returned +55.6% with distributions reinvested, against +54.6% for its benchmark, the DBIQ Optimum Yield Diversified Commodity Index Excess Return. The prospectus expense ratio is 0.59% a year.

Questions people ask

Which returned more over the last year, MBB or PDBC?: In the year to Oct 28, 2026, with distributions reinvested, MBB returned −0.8% and PDBC +55.6%.
Which is cheaper, MBB or PDBC?: MBB is cheaper, by 0.55 percentage points a year. That is about $55 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

HGER vs MBB BWET vs MBB MBB vs USO GLD vs MBB IUSB vs PDBC PDBC vs PULS PDBC vs USFR IEI vs PDBC

Where to next

MBB on its own →PDBC on its own →Hold both: look the portfolio through →Rankings →MBB dividend history →MBB holdings →PDBC dividend history →PDBC holdings →Standards and sources →

Sources and dates

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

PDBC filings on SEC EDGAR ↗

PDBC prospectus with the expense ratio (SEC) ↗

Invesco page for PDBC ↗

Links are sources, not endorsements. A comparison is not a recommendation.

How this is computed

Overlap adds up the smaller of the two weights for each security both funds hold.

Cite this pageCitation, APA and Markdown

ETFIQ, MBB against PDBC, data as of Oct 28, 2026. https://etfiq.com/compare/any/mbb-vs-pdbc

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