IVV vs SPLG
iShares Core S&P 500 ETF vs SPDR(R) Portfolio S&P 500 ETF
Which is better, IVV or SPLG?
Nearly the same fund. SPLG costs less.
SPLG has a lower expense ratio. IVV led over the full window. The two have moved almost in lockstep, correlation 0.95. SPLG is less concentrated, with 36.5% of the fund in its ten largest positions against 37.9%.
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
| Metric | IVV | SPLG |
|---|---|---|
| Expense Ratio | 0.03% | 0.02%Best |
| AUM | $876.4B | - |
| Dividend Yield | 1.06% | - |
| Holdings | 508 | 506 |
| Volatility (annualized) | 15.2%Best | 15.3% |
| Max Drawdown | -56.5% | -55.8%Best |
| $10,000 over 20 years | $59,537Best | $56,457 |
| Top 10 Weight | 37.9% | 36.5%Best |
| Fund Family | iShares by BlackRock (US) | - |
| Category | Equity | - |
| Style | Large Cap Blend | - |
| Inception | May 15, 2000 | - |
Not shown on this pair: YTD Return, 1Y Return, 3Y Return (annualized), 5Y Return (annualized).
The two price series end 315 days apart, so a return over any period would be measuring two different stretches of market. Those rows are withheld. IVV has data through Sep 10, 2026 and SPLG through Oct 30, 2025.
Volatility and max drawdown, and the $10,000 over 20 years row, are measured over the window both funds cover: Nov 15, 2005 to Oct 30, 2025 (20 years).
Risk: Volatility and Drawdowns
SPLG has been the more volatile fund, with annualized monthly volatility of 15.3% compared with 15.2% for IVV. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.
The deepest peak-to-trough decline in our data was -56.5% for IVV and -55.8% for SPLG. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.95. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IVV charges 0.03% per year while SPLG charges 0.02%. On a $10,000 position that is $3 vs $2 annually, a gap of $1 per year that compounds over a long holding period.
Holdings Overlap
96.5% of IVV's money is in holdings SPLG also owns. 98.1% of SPLG's money is in holdings IVV also owns.
Most of SPLG is already inside IVV. Owning both mostly buys the same companies twice.
The two holdings books were reported 401 days apart, IVV as of Aug 5, 2026 and SPLG as of Jun 30, 2025, so some of the difference between them is the time between the two reports rather than the funds.
472 positions in common, counted across the 505 positions we hold weights for in IVV and 506 in SPLG, against full books of 508 and 506.
What only one of them owns
Our book lists 31 positions for SPLG that do not appear in our book for IVV (1.6% of the fund), and 26 for IVV that do not appear in SPLG (2.9%).
Some of those will be the same company recorded under a different code in one of the two books, so the real difference in what you would own is no larger than this and may be smaller. We do not name the individual positions here for that reason.
Top Shared Holdings
| Stock | Weight in IVV | Weight in SPLG | Difference |
|---|---|---|---|
| NVDANvidia Corp. | 7.98% | 7.33% | 0.65% |
| AAPLApple, Inc | 6.86% | 5.83% | 1.03% |
| MSFTMicrosoft Corp 4.100 Feb 06 37 | 5.44% | 7.03% | 1.59% |
| AMZNAmazon.Com Inc | 4.01% | 3.94% | 0.07% |
| AVGOBroadcom Inc | 2.98% | 2.46% | 0.52% |
| GOOGLAlphabet A Usd 0.001 | 3.19% | 1.95% | 1.24% |
| METAMeta Platforms, Inc. | 1.94% | 3.05% | 1.11% |
| GOOGAlphabet Inc | 2.56% | 1.58% | 0.98% |
| BRK.BBerkshire Hathaway B | 1.43% | 1.69% | 0.26% |
| TSLATesla Inc | 1.36% | 1.69% | 0.33% |
98.1% of SPLG is already inside IVV.
You probably hold more than these two. Add the rest and see how much of the whole book is the same companies twice.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, IVV or SPLG?
IVV has an expense ratio of 0.03% while SPLG charges 0.02%. SPLG is the cheaper option, by $1 a year on a $10,000 investment.
Which is riskier, IVV or SPLG?
SPLG has been the more volatile fund at 15.3% annualized versus 15.2% for IVV. Worst drawdown: IVV -56.5% vs SPLG -55.8%.
Should I hold both IVV and SPLG?
IVV and SPLG have a monthly-return correlation of 0.95, so they move almost identically. What is left to separate them is the fee and the index each one tracks. This is information, not a recommendation.
What is the holdings overlap between IVV and SPLG?
98.1% of SPLG's money is in holdings IVV also owns. 98.1% of SPLG's is in holdings IVV also owns. They hold 472 positions in common, counted across the 505 positions we hold weights for in IVV and 506 in SPLG.
Is SPLG better than IVV?
SPLG has a lower expense ratio. IVV led over the full window. The two have moved almost in lockstep, correlation 0.95. SPLG is less concentrated, with 36.5% of the fund in its ten largest positions against 37.9%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.