Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
COWZ vs VO: how they differ
COWZ and VO hold 17% of their weight in the same names, and COWZ returned more over the year.
Pacer US Cash Cows 100 ETF and Vanguard Mid-Cap Index Fund.
What they hold in common
By the books each fund has filed, COWZ and VO hold 17% of their money in the same securities at the same weight.
| Holding | COWZ | VO |
|---|---|---|
| Valero Energy Corp | 1.48% | 0.75% |
| Marathon Petroleum Corp | 1.78% | 0.72% |
| SLB Ltd | 1.84% | 0.67% |
| PACCAR Inc | 0.99% | 0.61% |
| Target Corp | 1.07% | 0.57% |
| Delta Air Lines Inc | 1.48% | 0.57% |
| Corteva Inc | 0.98% | 0.55% |
| Cardinal Health Inc | 1.62% | 0.54% |
| Ford Motor Co | 2.01% | 0.53% |
| Cencora Inc | 1.03% | 0.51% |
| Newmont Corp | 1.93% | 0.48% |
| Devon Energy Corp | 1.09% | 0.46% |
| Only in COWZ | Only in VO |
|---|---|
| QUALCOMM Inc 2.67% | Vertiv Holdings Co 1.23% |
| Altria Group Inc 2.21% | Western Digital Corp 1.07% |
| ConocoPhillips 2.17% | Seagate Technology Holdings PLC 1.05% |
| CVS Health Corp 2.16% | Quanta Services Inc 1.05% |
| Bristol-Myers Squibb Co 2.03% | Howmet Aerospace Inc 1.04% |
| Uber Technologies Inc 2.01% | Cummins Inc 0.95% |
| Pfizer Inc 2.00% | Datadog Inc 0.84% |
| Verizon Communications Inc 1.90% | Bloom Energy Corp 0.79% |
Weight overlap is an ETFIQ calculation: for every security both funds hold, the smaller of the two weights, summed. Above 50%, holding both is close to holding one of them twice. Holdings dated Apr 30, 2026 and Jun 30, 2026.
| COWZ Pacer US Cash Cows 100 ETF | VO Vanguard Mid-Cap Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Pacer | Vanguard |
| What it is | US Cash Cows 100 | Mid-Cap |
| Total return, 1 year | +23.4% | +12.0% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.9 pts | −5.5 pts |
| Expense ratio | 0.49% | 0.03% |
| Already in the S&P 500 | 95.8% | 91.4% |
| Holdings | 100 | 282 |
COWZ in plain words
COWZ is an index equity fund tracking the US Cash Cows 100. Over the year to Sep 11, 2026 it returned +23.4% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.49% a year. By its holdings filed for Apr 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 100 positions, with the top ten at 21.2%. It sat 3.2% below its high of Sep 3, 2026 on Sep 11, 2026.
VO in plain words
VO is an index equity fund tracking the Mid-Cap. Over the year to Sep 11, 2026 it returned +12.0% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.03% a year. By its holdings filed for Jun 30, 2026, 91% of the fund by weight is stocks the S&P 500 also holds, across 282 positions, with the top ten at 9.6%. It sat 4.1% below its high of Aug 14, 2026 on Sep 11, 2026.
Questions people ask
- Which returned more over the last year, COWZ or VO?
- In the year to Sep 12, 2026, with distributions reinvested, COWZ returned +23.4% and VO returned +12.0%, so COWZ returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, COWZ or VO?
- COWZ charges 0.49% a year and VO charges 0.03%, so VO is cheaper. Fees come from each fund's prospectus.
- How much do COWZ and VO overlap with the S&P 500?
- By their latest filed holdings, 96% of COWZ and 91% of VO by weight is stocks the S&P 500 already holds. Between the two funds, 17% of their books are the same securities at the same weight.
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Where these figures came from
ETFIQ links to the documents behind every figure. It is not affiliated with any issuer, and a link is not an endorsement.
Cite this page. ETFIQ, COWZ against VO, data as of Sep 12, 2026. https://etfiq.com/compare/any/COWZ-VO Free to use with attribution; the underlying files are at Open data.
A comparison is not a recommendation. Standards and sources