FMAG vs IGGY
Fidelity Magellan ETF vs AB International Growth ETF
Which is better, FMAG or IGGY?
FMAG has been ahead.
IGGY has a lower expense ratio. FMAG led over 1Y and the full window. IGGY is less concentrated, with 37.3% of the fund in its ten largest positions against 44.0%.
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 | FMAG | IGGY |
|---|---|---|
| Expense Ratio | 0.57% | 0.55%Best |
| AUM | $243M | $4M |
| Dividend Yield | 0.00% | 0.00% |
| Holdings | 52 | 67 |
| YTD Return | +4.66%Best | -5.44% |
| 1Y Return | +3.01%Best | -6.77% |
| 3Y Return (annualized) | +17.63% | - |
| 5Y Return (annualized) | +9.04% | - |
| Volatility (annualized) | 14.8%Best | 18.3% |
| Max Drawdown | -14.0%Best | -19.7% |
| $10,000 over 1.1 years | $10,257Best | $9,248 |
| Top 10 Weight | 44.0% | 37.3%Best |
| Fund Family | Fidelity Investments (US) | AllianceBernstein L.P. |
| Category | Equity | Equity |
| Style | Large Cap Growth | Large Cap Growth |
| Inception | Feb 2, 2021 | Sep 17, 2025 |
Volatility and max drawdown, and the $10,000 over 1.1 years row, are measured over the window both funds cover: Sep 17, 2025 to Oct 14, 2026 (1.1 years).
FMAG vs IGGY 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 1.1 years both funds cover.
FMAG vs IGGY Performance
Fidelity Magellan ETF (FMAG) is an ETF from Fidelity Investments (US) and AB International Growth ETF (IGGY) is an ETF from AllianceBernstein L.P.. Over the past year FMAG returned +3.01% while IGGY returned -6.77%. Year to date, FMAG is up 4.66% versus a loss of 5.44% for IGGY.
Past performance does not guarantee future results.
Risk: Volatility and Drawdowns
IGGY has been the more volatile fund, with annualized monthly volatility of 18.3% compared with 14.8% for FMAG. 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 -14.0% for FMAG and -19.7% for IGGY. Drawdown depth is what each fund did in the worst stretch of the window measured above.
The two funds' monthly returns correlate at 0.79. They usually move together, but the gap leaves some room for diversification.
Fees and Cost Over Time
FMAG charges 0.57% per year while IGGY charges 0.55%. On a $10,000 position that is $57 vs $55 annually, a gap of $2 per year that compounds over a long holding period. On income, FMAG currently yields 0.00% against 0.00% for IGGY.
Holdings Overlap
2.0% of FMAG's money is in holdings IGGY also owns. 7.2% of IGGY's money is in holdings FMAG also owns.
IGGY and FMAG share little of their money.
1 positions in common, counted across the 50 positions we hold weights for in FMAG and 55 in IGGY, against full books of 52 and 67.
What only one of them owns
Our book lists 4 positions for IGGY that do not appear in our book for FMAG (5.9% of the fund), and 49 for FMAG that do not appear in IGGY (97.4%).
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 FMAG | Weight in IGGY | Difference |
|---|---|---|---|
| 2330:TWTaiwan Semiconductor Manufacturing Co Ltd | 2.01% | 7.21% | 5.20% |
You are not choosing between two funds in isolation.
Whichever of FMAG and IGGY you pick has to sit alongside everything else you own. Add the rest and see what the combination actually holds.
Free for up to 10 holdings. No account needed.
Frequently Asked Questions
Which is cheaper, FMAG or IGGY?
FMAG has an expense ratio of 0.57% while IGGY charges 0.55%. IGGY is the cheaper option, by $2 a year on a $10,000 investment.
Which performed better, FMAG or IGGY?
Over the past year FMAG returned +3.01% vs -6.77% for IGGY, so FMAG leads on 1-year performance. Over the longest common window we track (1 years), FMAG annualized +2.33% vs -6.86% for IGGY. Past performance does not guarantee future results. This is information, not a recommendation.
Which is riskier, FMAG or IGGY?
IGGY has been the more volatile fund at 18.3% annualized versus 14.8% for FMAG. Worst drawdown: FMAG -14.0% vs IGGY -19.7%.
Should I hold both FMAG and IGGY?
FMAG and IGGY have a monthly-return correlation of 0.79, so their returns are far enough apart for the mix to behave differently from either one alone. This is information, not a recommendation.
What is the holdings overlap between FMAG and IGGY?
7.2% of IGGY's money is in holdings FMAG also owns. 7.2% of IGGY's is in holdings FMAG also owns. They hold 1 positions in common, counted across the 50 positions we hold weights for in FMAG and 55 in IGGY.
Which pays a higher dividend, FMAG or IGGY?
FMAG yields 0.00% while IGGY yields 0.00%, so FMAG currently pays the higher dividend yield.
Is IGGY better than FMAG?
IGGY has a lower expense ratio. FMAG led over 1Y and the full window. IGGY is less concentrated, with 37.3% of the fund in its ten largest positions against 44.0%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.