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

In the year to Oct 28, 2026, with distributions reinvested, COWZ returned +24.4% and MBB −0.8%.

Which is cheaper, COWZ or MBB?

MBB is cheaper, by 0.45 percentage points a year. That is about $45 on $10,000 held for a year. Fees come from each fund's prospectus.

Data as of Oct 28, 2026.

Across categories

COWZ vs MBB: Differences, Returns & Fees

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Over the year to Oct 28, 2026, COWZ returned +24.4% to MBB's −0.8%; 0% of their weight is in the same names.

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Net assets: $19.5bn on Oct 27, 2026 for Pacer US Cash Cows 100 ETF, and $35.5bn on Oct 28, 2026 for iShares MBS ETF.

COWZ on its own →MBB on its own →

At a glance

+24.4%

COWZ total return, 1 year

−0.8%

MBB total return, 1 year

0.49%

COWZ expense ratio

0.04%

MBB expense ratio

Pair scorecard

MBB costs 0.45 points a year less; their one-year returns differ by 25.2 points; MBB is 1.8 times larger.

COWZ vs MBB: Differences, Returns & Fees
Measure	COWZ	MBB
Return
Measure	COWZ	MBB
Total return, 1 year	+24.4%	−0.8%
Benchmark
Measure	COWZ	MBB
What it tracks	Pacer US Cash Cows 100 Index	Bloomberg U.S. MBS Index
Cost and size
Measure	COWZ	MBB
Expense ratio	0.49%	0.04%
Net assets, as of Oct 26, 2026	$19.7bn	$35.6bn
Holdings
Measure	COWZ	MBB
Holdings in common	0%
In the S&P 500, by weight	95%
Top ten holdings, share of the fund	20.4%

Holdings in common uses holdings dated Jul 31, 2026 and Oct 27, 2026. Method

What they share

By the books each fund has filed, COWZ and MBB hold 0% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Oct 27, 2026.

50%

0 half 100%

half

0% in common

Positions both hold · largest shared weight first COWZ MBB

Only in one fund ↓

Only in COWZ

Booking Holdings Inc 2.23%

Bristol-Myers Squibb Co 2.18%

HCA Healthcare Inc 2.07%

Marathon Petroleum Corp 2.06%

General Dynamics Corp 2.05%

Intuit Inc 2.04%

Verizon Communications Inc 1.97%

AT&T Inc 1.95%

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%

Check overlap with more funds →

Side by side

COWZ Pacer US Cash Cows 100 ETF MBB iShares MBS ETF

Where it sits Stock ETF Bond ETF

Issuer Pacer iShares

What it is Tracks an index of US Cash Cows 100 Tracks an index of mortgage-backed securities

Total return, 1 year +24.4% −0.8%

Its benchmark over the same days not measured −1.1% (SPMB)

Gap to its benchmark not measured +0.3 pts vs SPMB

Expense ratio 0.49% 0.04%

Holdings 100 10813

Net assets, COWZ as of Oct 27, 2026 and MBB as of Oct 28, 2026 $19.5bn $35.5bn

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

Alert

About each fund

COWZ

COWZ tracks an index of US Cash Cows 100. Over the year to Oct 28, 2026 it returned +24.4% with distributions reinvested. The prospectus expense ratio is 0.49% a year. By its holdings filed for Jul 31, 2026, 95% of the fund by weight is stocks the S&P 500 also holds, across 100 positions, with the top ten at 20.4%.

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.

Questions people ask

Which returned more over the last year, COWZ or MBB?: In the year to Oct 28, 2026, with distributions reinvested, COWZ returned +24.4% and MBB −0.8%.
Which is cheaper, COWZ or MBB?: MBB is cheaper, by 0.45 percentage points a year. That is about $45 on $10,000 held for a year. Fees come from each fund's prospectus.

Other comparisons

COWZ vs LQD COWZ vs GOVT COWZ vs IEF COWZ vs SHY MBB vs SDY MBB vs VOE DVY vs MBB MBB vs NOBL

Where to next

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

Sources and dates

COWZ filings on SEC EDGAR ↗

COWZ prospectus with the expense ratio (SEC) ↗

Pacer website ↗

MBB filings on SEC EDGAR ↗

MBB prospectus with the expense ratio (SEC) ↗

iShares page for MBB ↗

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

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