This is a passive ETF that screens US large-cap stocks with high free cash flow (FCF) yields to build its portfolio. Using a rules-based methodology, it selects the stocks with the highest FCF margins within the S&P 900 universe.

It prioritizes real cash-generating ability over revenue growth, making it suitable for investors who want to concentrate on highly profitable large-cap growth stocks.

It is a passively managed (index-tracking) ETF launched in 2021 by Pacer ETFs.

From among the largest companies by market capitalization in the S&P 900 universe, the ETF selects stocks with high free cash flow margins and builds its portfolio using FCF margin rankings as the weighting basis. Its weighting approach, which reflects cash-generating ability rather than simple market-cap weighting, sets it apart from typical large-cap ETFs.

• Stock selection and weighting based on FCF margin
• Concentrated exposure to cash-generating companies in technology, healthcare, and semiconductors

Assets under management (AUM) stand at $2.3B, and the expense ratio is 0.49% per year.

Its fee level is somewhat higher than that of large-cap ETFs that simply track an index. Its selection criteria differ from dividend growth ETFs such as DGRO and TDVG; by focusing on FCF margin, it holds companies with strong cash-generating power regardless of whether they pay dividends.

With high weightings in the technology, semiconductor, and healthcare sectors, returns can fluctuate depending on earnings in those industries and the interest rate environment. Companies with abundant free cash flow tend to maintain relatively stable finances even when interest rates are rising.

As interest in FCF-quality investing has grown, fund inflows have remained steady. AUM has grown to several billion dollars, and the ETF is gaining recognition among investors who consider both growth and value metrics.

FCF-based selection allows investors to concentrate on highly profitable large-cap stocks, while sector concentration and fee level are cited as drawbacks.

Among the comparison candidates shown in the table, DGRO is a dividend growth ETF managed by iShares with a relatively low fee, suited to investors for whom dividend payment history matters. TDVG combines dividend and value factors, while NUGO, BGIG, and SMIG are similar-category ETFs with relatively smaller assets under management. Unlike these, COWG uses FCF margin itself as its selection criterion, regardless of whether a company pays dividends. COWZ and FCFY, from the same issuer Pacer, share its focus on FCF-quality investing, and for broader large-cap growth exposure, VUG and IWF are also worth comparing.

Here are the points to review before investing in COWG. Even for a strategy centered on FCF quality, the fee level, technology and semiconductor sector concentration, and currency exposure all affect long-term returns, so they should be checked in advance.

Volatility from concentration in the technology and semiconductor sectors and the effect of the dollar exchange rate are the main risk factors. If the FCF margin criterion is affected by one-time items, the holdings may differ from expectations.

This is an ETF to consider for investors who want to concentrate on large-cap growth stocks with strong free cash flow generation. It suits investors who want to use FCF quality as a selection criterion even if it means accepting the fee level and sector concentration.