Data as of Oct 28, 2026.
COWZ vs IWO: Differences, Returns & Fees
Over the year to Oct 28, 2026, COWZ returned +24.4% to IWO's +7.9%; 0% of their weight is in the same names.
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Net assets on Oct 27, 2026: $19.5bn for Pacer US Cash Cows 100 ETF and $14.0bn for iShares Russell 2000 Growth ETF.
Pair scorecard
IWO costs 0.25 points a year less; their one-year returns differ by 16.5 points; COWZ is 1.4 times larger.
| Measure | COWZ | IWO |
|---|---|---|
| Return | ||
| Total return, 1 year | +24.4% | +7.9% |
| Drawdown | ||
| Below its high | 9.9%, high on Aug 14, 2026 | |
| Benchmark | ||
| What it tracks | Pacer US Cash Cows 100 Index | Russell 2000 Growth Index |
| Cost and size | ||
| Expense ratio | 0.49% | 0.24% |
| Net assets, as of Oct 27, 2026 | $19.5bn | $14.0bn |
| Holdings | ||
| Holdings in common | 0% | |
| Top ten holdings, share of the fund | 20.4% | 6.4% |
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 IWO hold 0% of their money in the same securities at the same weight. Holdings dated Jul 31, 2026 and Oct 27, 2026.
half
0% in common
Only in one fund ↓
Side by side
COWZ and IWO on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
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%.
IWO
IWO tracks the Russell 2000 Growth. Over the year to Oct 28, 2026 it returned +7.9% with distributions reinvested, against +8.0% for its benchmark, the Russell 2000 Growth Index. The prospectus expense ratio is 0.24% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 1,122 positions, with the top ten at 6.4%. It sat 9.9% below its high of Aug 14, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, COWZ or IWO?
- In the year to Oct 28, 2026, with distributions reinvested, COWZ returned +24.4% and IWO +7.9%.
- Which is cheaper, COWZ or IWO?
- IWO is cheaper, by 0.25 percentage points a year. That is about $25 on $10,000 held for a year. Fees come from each fund's prospectus.
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.
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ETFIQ, COWZ against IWO, data as of Oct 28, 2026. https://etfiq.com/compare/any/cowz-vs-iwo
ETFIQ. (Oct 28, 2026). COWZ against IWO. Retrieved from https://etfiq.com/compare/any/cowz-vs-iwo
[COWZ against IWO (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/cowz-vs-iwo)
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