Data as of Oct 28, 2026.

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COWZ vs USO: Differences, Returns & Fees

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COWZ is an equity index fund and USO a commodity futures fund, and over the year to Oct 28, 2026, USO returned +133.3% against +24.4%.

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Net assets: $19.5bn on Oct 27, 2026 for Pacer US Cash Cows 100 ETF, and $1.9bn on Oct 28, 2026 for United States Oil Fund, LP.

At a glance
+24.4%
COWZ total return, 1 year
+133.3%
USO total return, 1 year
0.49%
COWZ expense ratio
0.86%
USO expense ratio

Pair scorecard

COWZ costs 0.37 points a year less; their one-year returns differ by 108.9 points; COWZ is 10.3 times larger.

COWZ vs USO: Differences, Returns & Fees
MeasureCOWZUSO
Return
Total return, 1 year+24.4%+133.3%
Drawdown
Below its high82.3%, high on Jul 14, 2008
Benchmark
What it tracksPacer US Cash Cows 100 IndexOil futures
Cost and size
Expense ratio0.49%0.86%
Net assets, as of Oct 27, 2026$19.5bn$1.9bn
Holdings
Holdings in commonnot published
In the S&P 500, by weight95%
Holdings datedJul 31, 2026
Top ten holdings, share of the fund20.4%

Method

Side by side

COWZ Pacer US Cash Cows 100 ETF USO United States Oil Fund, LP
Where it sits Stock ETF Commodity ETF
Issuer Pacer USCF
What it is Tracks an index of US Cash Cows 100 Holds oil futures
Total return, 1 year +24.4% +133.3%
Expense ratio 0.49% 0.86%
Holdings 100 not counted
Net assets, COWZ as of Oct 27, 2026 and USO as of Oct 28, 2026 $19.5bn $1.9bn

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

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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%.

USO

USO holds oil futures. Over the year to Oct 28, 2026 it returned +133.3% with distributions reinvested. The prospectus expense ratio is 0.86% a year. It sat 82.3% below its high of Jul 14, 2008 on Oct 28, 2026.

Questions people ask

Which returned more over the last year, COWZ or USO?
In the year to Oct 28, 2026, with distributions reinvested, COWZ returned +24.4% and USO +133.3%.
Which is cheaper, COWZ or USO?
COWZ is cheaper, by 0.37 percentage points a year. That is about $37 on $10,000 held for a year. Fees come from each fund's prospectus.
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ETFIQ, COWZ against USO, data as of Oct 28, 2026. https://etfiq.com/compare/any/cowz-vs-uso

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