BFLX vs SPY

BFLX vs SPY

Which is better, BFLX or SPY?

SPY costs less.

SPY has a lower expense ratio.

Lower Fees: SPY

MarketXLS is not an investment adviser. This comparison is generated automatically from market data and is for information only. A Best mark means the better reading on that one measure, not a recommendation to buy.

Side-by-Side Comparison

MetricBFLXSPY
Expense Ratio0.40%0.09%Best
AUM$2.1B$811.2B
Dividend Yield0.00%0.98%
Holdings7241,515
YTD Return+2.40%+13.54%Best
1Y Return-+16.25%
3Y Return (annualized)-+23.72%
5Y Return (annualized)-+13.95%
Fund FamilyiShares by BlackRock (US)State Street Investment Management
CategoryEquityEquity
StyleLarge Cap BlendLarge Cap Blend
InceptionMay 19, 2026Jan 22, 1993

Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window, Top 10 Weight.

BFLX vs SPY growth

Month-end closes. Both lines start at 0% in the first month shown, so the gap between them is the difference in growth across that window. The full view is available from the range buttons; it is not the opening view here because over the whole period one of these two funds moves so much further than the other that its line would sit flat on the axis.

BFLX vs SPY Performance

iShares Flexible Equity Active ETF (BFLX) is an ETF from iShares by BlackRock (US) and State Street SPDR S&P 500 ETF Trust (SPY) is an ETF from State Street Investment Management. Year to date, BFLX is up 2.40% versus a gain of 13.54% for SPY.

Past performance does not guarantee future results.

Fees and Cost Over Time

BFLX charges 0.40% per year while SPY charges 0.09%. On a $10,000 position that is $40 vs $9 annually, a gap of $31 per year that compounds over a long holding period. On income, BFLX currently yields 0.00% against 0.98% for SPY.

Holdings Overlap

SPY already in BFLX79.1%

At least 79.1% of SPY's money is in holdings BFLX also owns.

Only one direction is shown: for BFLX, our book for it lists positions totalling 121.4% of the fund, which is what a leveraged book looks like and is not a denominator we can divide by.

Most of SPY is already inside BFLX. Owning both mostly buys the same companies twice.

357 positions in common, counted across the 489 positions we hold weights for in BFLX and 504 in SPY, against full books of 724 and 1,515.

Top Shared Holdings

StockWeight in BFLXWeight in SPYDifference
NVDANvidia Corp5.57%7.78%2.21%
AAPLApple, Inc4.95%7.45%2.50%
MSFTMicrosoft Corp4.54%5.71%1.17%
AMZNAmazon.Com Inc2.73%3.78%1.05%
VVisa Inc Class A3.13%0.95%2.18%
GOOGAlphabet Inc. C1.58%2.49%0.91%
METAMeta Platforms Inc1.34%2.22%0.88%
AVGOBroadcom Inc0.95%2.48%1.53%
MUMicron Technology, Inc.1.18%1.59%0.41%
FTNTFortinet Inc2.58%0.16%2.42%

79.1% of SPY is already inside BFLX.

You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.

BFLXSPY

Free for up to 10 holdings. No account needed.

Frequently Asked Questions

Which is cheaper, BFLX or SPY?

BFLX has an expense ratio of 0.40% while SPY charges 0.09%. SPY is the cheaper option, by $31 a year on a $10,000 investment.

What is the holdings overlap between BFLX and SPY?

At least 79.1% of SPY's money is in holdings BFLX also owns. Our book for BFLX is partial, so the real figure is this or higher. They hold 357 positions in common, counted across the 489 positions we hold weights for in BFLX and 504 in SPY.

Which pays a higher dividend, BFLX or SPY?

BFLX yields 0.00% while SPY yields 0.98%, so SPY currently pays the higher dividend yield.

Is SPY better than BFLX?

SPY has a lower expense ratio. Which one suits a particular account depends on what it is for. This is information, not a recommendation.