Data as of Sep 12, 2026. Both funds on the fields they both publish, from the same sources.
COWZ vs MGK: how they differ
COWZ and MGK hold 2% of their weight in the same names, and COWZ returned more over the year.
Pacer US Cash Cows 100 ETF and Vanguard Mega Cap Growth Index Fund.
What they hold in common
By the books each fund has filed, COWZ and MGK hold 2% of their money in the same securities at the same weight.
| Holding | COWZ | MGK |
|---|---|---|
| Booking Holdings Inc | 1.87% | 0.63% |
| Uber Technologies Inc | 2.01% | 0.42% |
| Airbnb Inc | 1.62% | 0.37% |
| Intuit Inc | 1.63% | 0.29% |
| Only in COWZ | Only in MGK |
|---|---|
| QUALCOMM Inc 2.67% | NVIDIA Corp 13.29% |
| Altria Group Inc 2.21% | Apple Inc 12.19% |
| ConocoPhillips 2.17% | Microsoft Corp 7.52% |
| CVS Health Corp 2.16% | Alphabet Inc 5.93% |
| Bristol-Myers Squibb Co 2.03% | Alphabet Inc 4.67% |
| Ford Motor Co 2.01% | Amazon.com Inc 4.47% |
| Pfizer Inc 2.00% | Broadcom Inc 4.28% |
| Diamondback Energy Inc 1.99% | Meta Platforms Inc 4.08% |
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 | MGK Vanguard Mega Cap Growth Index Fund | |
|---|---|---|
| Where it sits | Core index fund | Core index fund |
| Issuer | Pacer | Vanguard |
| What it is | US Cash Cows 100 | Mega Cap Growth |
| Total return, 1 year | +23.4% | +14.9% |
| S&P 500 over the same days | +17.5% | +17.5% |
| Gap to the S&P 500 | +5.9 pts | −2.6 pts |
| Expense ratio | 0.49% | 0.07% |
| Already in the S&P 500 | 95.8% | 99.2% |
| Holdings | 100 | 56 |
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.
MGK in plain words
MGK is an index equity fund tracking the Mega Cap Growth. Over the year to Sep 11, 2026 it returned +14.9% with distributions reinvested, against +17.5% for the S&P 500 and +23.0% for the Nasdaq-100. The prospectus expense ratio is 0.07% a year. By its holdings filed for Jun 30, 2026, 99% of the fund by weight is stocks the S&P 500 also holds, across 56 positions, with the top ten at 63.8%.
Questions people ask
- Which returned more over the last year, COWZ or MGK?
- In the year to Sep 12, 2026, with distributions reinvested, COWZ returned +23.4% and MGK returned +14.9%, so COWZ returned more. One year is one year; the longer windows are in the table.
- Which is cheaper, COWZ or MGK?
- COWZ charges 0.49% a year and MGK charges 0.07%, so MGK is cheaper. Fees come from each fund's prospectus.
- How much do COWZ and MGK overlap with the S&P 500?
- By their latest filed holdings, 96% of COWZ and 99% of MGK by weight is stocks the S&P 500 already holds. Between the two funds, 2% 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 MGK, data as of Sep 12, 2026. https://etfiq.com/compare/any/COWZ-MGK Free to use with attribution; the underlying files are at Open data.
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