AMMO vs VOO
VistaShares Defense Supercycle ETF vs Vanguard S&P 500 ETF
Which is better, AMMO or VOO?
Mid Cap Growth against Large Cap Blend.
VOO has a lower expense ratio. AMMO is less concentrated, with 31.4% of the fund in its ten largest positions against 36.4%.
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 | AMMO | VOO |
|---|---|---|
| Expense Ratio | 0.75% | 0.03%Best |
| AUM | $2M | $997.4B |
| Dividend Yield | 0.00% | 1.08% |
| Holdings | 54 | 509 |
| YTD Return | +3.05% | +12.74%Best |
| 1Y Return | - | +19.43% |
| 3Y Return (annualized) | - | +21.18% |
| 5Y Return (annualized) | - | +12.76% |
| Top 10 Weight | 31.4%Best | 36.4% |
| Fund Family | VistaShares | Vanguard (US) |
| Category | Equity | Equity |
| Style | Mid Cap Growth | Large Cap Blend |
| Inception | Jul 15, 2026 | Sep 7, 2010 |
Not shown on this pair: Volatility (annualized), Max Drawdown, $10,000 over the window.
AMMO vs VOO 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.
AMMO vs VOO Performance
VistaShares Defense Supercycle ETF (AMMO) is an ETF from VistaShares and Vanguard S&P 500 ETF (VOO) is an ETF from Vanguard (US). Year to date, AMMO is up 3.05% versus a gain of 12.74% for VOO.
Past performance does not guarantee future results.
Fees and Cost Over Time
AMMO charges 0.75% per year while VOO charges 0.03%. On a $10,000 position that is $75 vs $3 annually, a gap of $72 per year that compounds over a long holding period. On income, AMMO currently yields 0.00% against 1.08% for VOO.
Holdings Overlap
12.1% of AMMO's money is in holdings VOO also owns. 0.9% of VOO's money is in holdings AMMO also owns.
AMMO and VOO share little of their money.
The two holdings books were reported 50 days apart, AMMO as of Aug 19, 2026 and VOO as of Jun 30, 2026, so some of the difference between them is the time between the two reports rather than the funds.
6 positions in common, counted across the 52 positions we hold weights for in AMMO and 504 in VOO, against full books of 54 and 509.
What only one of them owns
Our book lists 488 positions for VOO that do not appear in our book for AMMO (98.4% of the fund), and 20 for AMMO that do not appear in VOO (34.7%).
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
You are not choosing between two funds in isolation.
Whichever of AMMO and VOO 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, AMMO or VOO?
AMMO has an expense ratio of 0.75% while VOO charges 0.03%. VOO is the cheaper option, by $72 a year on a $10,000 investment.
What is the holdings overlap between AMMO and VOO?
12.1% of AMMO's money is in holdings VOO also owns. 0.9% of VOO's is in holdings AMMO also owns. They hold 6 positions in common, counted across the 52 positions we hold weights for in AMMO and 504 in VOO.
Which pays a higher dividend, AMMO or VOO?
AMMO yields 0.00% while VOO yields 1.08%, so VOO currently pays the higher dividend yield.
Is VOO better than AMMO?
VOO has a lower expense ratio. AMMO is less concentrated, with 31.4% of the fund in its ten largest positions against 36.4%. Which one suits a particular account depends on what it is for. This is information, not a recommendation.