IVOG vs MDYG
Vanguard S&P Mid-Cap 400 Growth ETF vs State Street SPDR S&P 400 Mid Cap Growth ETF
Which is better, IVOG or MDYG?
Nearly the same fund. IVOG costs less.
IVOG has a lower expense ratio. IVOG led over 3Y, 5Y and the full window, MDYG over 1Y. The two have moved almost in lockstep, correlation 1.00. IVOG is less concentrated, with 14.4% of the fund in its ten largest positions against 14.5%.
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 | IVOG | MDYG |
|---|---|---|
| Expense Ratio | 0.10%Best | 0.15% |
| AUM | $1.7B | $2.9B |
| Dividend Yield | 0.57% | 0.67% |
| Holdings | 248 | 248 |
| YTD Return | +11.35% | +11.37%Best |
| 1Y Return | +14.67% | +14.90%Best |
| 3Y Return (annualized) | +15.63%Best | +15.58% |
| 5Y Return (annualized) | +6.77%Best | +6.73% |
| Volatility (annualized) | 16.6%Tie | 16.6%Tie |
| Max Drawdown | -39.3%Best | -39.5% |
| $10,000 over 5 years | $13,875Best | $13,849 |
| Top 10 Weight | 14.4%Best | 14.5% |
| Fund Family | Vanguard (US) | State Street Investment Management |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Mid Cap Growth |
| Inception | Sep 7, 2010 | Nov 8, 2005 |
Volatility and max drawdown are measured over the window both funds cover: Sep 9, 2010 to Oct 14, 2026 (16.1 years).
IVOG vs MDYG 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 covers the 16.1 years both funds cover.
IVOG vs MDYG Performance
Vanguard S&P Mid-Cap 400 Growth ETF (IVOG) is an ETF from Vanguard (US) and State Street SPDR S&P 400 Mid Cap Growth ETF (MDYG) is an ETF from State Street Investment Management. Over the past year IVOG returned +14.67% while MDYG returned +14.90%. Year to date, IVOG is up 11.35% versus a gain of 11.37% for MDYG.
Over three years, IVOG compounded at +15.63% per year against +15.58% for MDYG; over five years the annualized figures are +6.77% and +6.73% respectively. Across the full 16-year window we track, IVOG has the edge at +11.93% annualized vs +10.95%.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IVOG and MDYG have been equally volatile, both at 16.6% annualized.
The deepest peak-to-trough decline in our data was -39.3% for IVOG and -39.5% for MDYG. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 1.00. They move almost in lockstep, so holding both mostly duplicates the same exposure.
Fees and Cost Over Time
IVOG charges 0.10% per year while MDYG charges 0.15%. On a $10,000 position that is $10 vs $15 annually, a gap of $5 per year that compounds over a long holding period. On income, IVOG currently yields 0.57% against 0.67% for MDYG.
Holdings Overlap
98.7% of IVOG's money is in holdings MDYG also owns. 98.9% of MDYG's money is in holdings IVOG also owns.
Most of MDYG is already inside IVOG. Owning both mostly buys the same companies twice.
242 positions in common, counted across the 247 positions we hold weights for in IVOG and 247 in MDYG, against full books of 248 and 248.
What only one of them owns
Our book lists 4 positions for MDYG that do not appear in our book for IVOG (0.9% of the fund), and 5 for IVOG that do not appear in MDYG (1.2%).
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 IVOG | Weight in MDYG | Difference |
|---|---|---|---|
| TWLOTwilio Inc. Class A | 1.94% | 1.90% | 0.04% |
| 0RMV:LNTechnipfmc Plc Ordinary Shares | 1.69% | 1.67% | 0.02% |
| PSTGPure Storage Inc. Class A | 1.59% | 1.70% | 0.11% |
| OKTAOkta Inc (okta) | 1.57% | 1.53% | 0.04% |
| ATIAti Inc | 1.51% | 1.49% | 0.02% |
| NVT:IENvent Electric Plc Ordinary Shares | 1.32% | 1.44% | 0.12% |
| THCTenet Healthcare Corp Common Stock Usd 0.05 | 1.24% | 1.25% | 0.01% |
| XPOXpo Logistics Inc. | 1.23% | 1.17% | 0.06% |
| UTHRUnited Therapeutics Corp | 1.17% | 1.16% | 0.01% |
| CDECoeur Mining Inc | 1.16% | 1.17% | 0.01% |
98.9% of MDYG is already inside IVOG.
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, IVOG or MDYG?
IVOG has an expense ratio of 0.10% while MDYG charges 0.15%. IVOG is the cheaper option, by $5 a year on a $10,000 investment.
Which performed better, IVOG or MDYG?
Over the past year IVOG returned +14.67% vs +14.90% for MDYG, so MDYG leads on 1-year performance. Over the longest common window we track (16 years), IVOG annualized +11.93% vs +10.95% for MDYG. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, IVOG or MDYG?
IVOG and MDYG have been equally volatile, both at 16.6% annualized. Worst drawdown: IVOG -39.3% vs MDYG -39.5%.
Should I hold both IVOG and MDYG?
IVOG and MDYG have a monthly-return correlation of 1.00, 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 IVOG and MDYG?
98.9% of MDYG's money is in holdings IVOG also owns. 98.9% of MDYG's is in holdings IVOG also owns. They hold 242 positions in common, counted across the 247 positions we hold weights for in IVOG and 247 in MDYG.
Which pays a higher dividend, IVOG or MDYG?
IVOG yields 0.57% while MDYG yields 0.67%, so MDYG currently pays the higher dividend yield.
Is MDYG better than IVOG?
IVOG has a lower expense ratio. IVOG led over 3Y, 5Y and the full window, MDYG over 1Y. The two have moved almost in lockstep, correlation 1.00. IVOG is less concentrated, with 14.4% of the fund in its ten largest positions against 14.5%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.