Pacer US Cash Cows Growth ETF (BUL)

BUL — quick facts

What it tracks	Pacer US Cash Cows Growth Index
Underlying selection	US mid- and large-cap companies with highest FCF-to-enterprise-value ratios
Index methodology	Rules-based, market-cap-weighted with 5% security cap; quarterly rebalancing
Expense ratio	0.60% annually
Number of holdings	Typically 50–60 securities
Fund type	Passive (rules-based, no active management)
Issuer	Pacer Advisors
Trading venue	ARCX (NYSE Arca)
Liquidity	Moderate; adequate for most retail positions

BUL targets a simple but specific investment thesis: companies generating outsized cash relative to their enterprise value — “cash cows” that turn operations into actual money rather than accounting earnings. The fund’s underlying index, the Pacer US Cash Cows Growth Index, selects from the S&P Small Cap 900 Pure Growth Index, then ranks all constituents by free cash flow yield (free cash flow divided by enterprise value) and includes the highest-yielding names. Free cash flow is what remains after a company pays for the operations and capital investments it needs to run and grow; high free cash flow yield signals a company returns more cash to the business than its price tag suggests it should.

The methodology is transparent and rules-based. Candidates must have positive projected free cash flow over the next two years according to analyst consensus estimates; those with expected negative cash flow are excluded. Index constituents are weighted by market capitalization, but no single security can exceed 5% of the index, preventing concentration in a few mega-companies. The index rebalances quarterly, locking in a disciplined refresh schedule rather than constant trading.

Pacer launched BUL in 2019 as a vehicle for investors who believe that cash generation is a surer sign of business quality than sales growth or reported earnings. A company with rising revenues but negative or declining free cash flow is burning capital; one with modest revenue growth but robust free cash flow conversion is likely reinvesting wisely and returning cash to shareholders. The logic appeals to value-oriented investors, though BUL has sometimes been grouped in growth categories because it includes the rapid-growth corner of the S&P Small Cap 900.

The fund currently holds around 52 securities across a broad range of sectors, though concentration varies with market conditions and the rule-based selection. Top holdings rotate as free cash flow yields shift; a company might enter or exit the index if its cash generation relative to enterprise value crosses the threshold. The 0.60% expense ratio reflects passive index tracking — Pacer simply collects the published ranking and buys the constituents, with no active security selection or stock-picking fees.

For whom does BUL make sense? First, investors who believe free cash flow is a more honest metric than accounting earnings and who want mid-cap or smaller-large-cap US exposure with a quality tilt. Second, those seeking a rules-based screen that excludes money-losing businesses without requiring active judgment calls. Third, investors building a portfolio that blends growth exposure with a cash-generation filter — BUL offers growth participation with a quantified quality threshold. The fund is less suitable for traders seeking liquidity in tight bid-ask spreads (BUL’s spreads are reasonable but wider than mega-cap ETFs) or for investors requiring international diversification.

Key risks include concentration in smaller names — the index covers the lower tiers of capitalization, so single holdings carry more weight than in a cap-weighted broad index fund. The free cash flow yield methodology can launder poor businesses that happen to have one strong year of cash collection; a company might have high FCF this year but face structural decline in the next. The quarterly rebalancing causes periodic turnover, which can drag returns slightly in rising markets and reduce losses in falling ones. Finally, free cash flow, while less subject to accounting manipulation than earnings, still depends on management guidance and analyst estimates; errors in forecasting future cash flow can misweight the fund.

To research BUL, start with Pacer’s index methodology document and quarterly fact sheet, which detail holdings and the precise free cash flow calculation. Compare BUL’s returns and expense ratio against other cash-flow-focused ETFs such as COWZ (Pacer’s own cash-cows 100 fund) and any broad small-cap or mid-cap growth alternatives. Monitor the fund’s turnover ratio and realized gains to understand tax drag. Use Morningstar or etf.com to examine historical performance across market cycles, noting how BUL fared in recession years when free cash flow tends to contract sharply. Finally, stress-test your portfolio assumptions: if free cash flow yield is your primary selection criterion, what happens if the market reprices the relationship between cash flow and growth, or if the selected companies fail to convert cash efficiently in the next cycle?