VOOG vs IWF Stock Comparison: AI Score, Valuation, Performance and Upside
VOOG and IWF both target large-cap growth exposure but take different paths to get there — VOOG via the S&P 500 Growth Index, and IWF via the Russell 1000 Growth Index. The practical differences come down to issuer, cost structure, and the specific index rules each fund follows, since both are pursuing a similar investment outcome.
VOOG vs IWF is largely a question of which issuer and index methodology you trust more for large-cap growth exposure — the underlying investment case is similar, so cost, liquidity, and tracking precision tend to be the deciding factors.
VOOG holds the edge across 3 of 5 key metrics in this comparison. VOOG has delivered stronger 1-year price return (+17.44% vs +6.61% for IWF).
- want core large-cap growth exposure at rock-bottom cost
- prefer Vanguard's approach and fund lineup
- value extremely low expense ratio for a growth-factor fund
- are comfortable with heavy concentration in mega-cap tech names
- want the institutional-standard large-cap growth benchmark fund
- prefer iShares (BlackRock)'s approach and fund lineup
- value widely used institutional benchmark with deep liquidity
- are comfortable with higher expense ratio than Vanguard's comparable growth fund
| Metric | VOOG | IWF |
|---|---|---|
| ETF scorei | 75.0 | 59.0 |
| Latest closei | $84.35 | $123.25 |
| 1M returni | +0.68% | +0.56% |
| 6M returni | +23.15% | +15.54% |
| 1Y returni | +17.44% | +6.61% |
The ETF score weights long-term returns and risk-adjusted performance most heavily, but still rewards low expense ratios, larger fund size, and broader diversification — so it can favor low-cost, broad, mega-cap funds over smaller thematic or actively-managed funds even when the latter have delivered stronger returns.
How much would $10,000 be worth today if invested at the start of each period, with all dividends reinvested?
| Period | VOOG | IWF |
|---|---|---|
| 1Y ago | $11.8K (+18.0%) started 2025-09-18 | $10.7K (+7.0%) started 2025-09-18 |
| 5Y ago | $19.97K (+99.7%) started 2021-09-20 | $18.66K (+86.6%) started 2021-09-20 |
| 10Y ago | $57.29K (+472.9%) started 2016-09-19 | $56.67K (+466.7%) started 2016-09-19 |
Hypothetical — past performance does not guarantee future results.
| Metric | VOOG | IWF |
|---|---|---|
| Expense ratioi | 0.07% | 0.18% |
| Total assets (AUM)i | $27.12B | $125.54B |
| Dividend yieldi | 0.45% | 0.35% |
| Trailing P/Ei | 27.02 | 29.65 |
| Betai | 1.18 | 1.17 |
| 52-week change | 17.44% | 6.61% |
| Metric | VOOG | IWF |
|---|---|---|
| 1Y returni | +17.44% | +6.61% |
| 6M returni | +23.15% | +15.54% |
| 1M returni | +0.68% | +0.56% |
| 1Y Sharpe ratio | 0.73 | 0.20 |
| Betai | 1.18 | 1.17 |
| Dividend yieldi | 0.45% | 0.35% |
| 5Y CAGR | +13.98% | +12.60% |
Over the past year, VOOG and IWF have moved strongly in the same direction (correlation of 0.97), based on daily returns.
Lower drawdown and smaller single-period drops generally indicate a smoother ride, though they do not guarantee lower future risk.
| Period | Metric | VOOG | IWF |
|---|---|---|---|
| 1Y | Growthi | +17.44% | +6.61% |
| CAGRi | +17.46% | +6.62% | |
| Volatilityi | 18.10% | 17.76% | |
| Sharpe ratioi | 0.73 | 0.20 | |
| Sortino ratioi | 1.07 | 0.28 | |
| Max drawdowni | 13.71% | 16.27% | |
| Current drawdowni | 1.56% | 4.12% | |
| Avg drawdowni | 2.89% | 4.66% | |
| Ulcer Indexi | 3.84% | 5.70% | |
| Max daily dropi | 3.79% | 3.26% | |
| Max wkly dropi | 6.07% | 5.68% | |
| 5Y | Growthi | +92.23% | +80.86% |
| CAGRi | +13.98% | +12.60% | |
| Volatilityi | 21.57% | 21.79% | |
| Sharpe ratioi | 0.51 | 0.45 | |
| Sortino ratioi | 0.72 | 0.64 | |
| Max drawdowni | 32.73% | 32.72% | |
| Current drawdowni | 1.56% | 4.12% | |
| Avg drawdowni | 10.00% | 9.41% | |
| Ulcer Indexi | 14.09% | 13.28% | |
| Max daily dropi | 6.18% | 6.00% | |
| Max wkly dropi | 11.22% | 11.94% | |
| 10Y | Growthi | +416.45% | +419.42% |
| CAGRi | +17.85% | +17.92% | |
| Volatilityi | 20.90% | 21.14% | |
| Sharpe ratioi | 0.68 | 0.67 | |
| Sortino ratioi | 0.96 | 0.95 | |
| Max drawdowni | 32.73% | 32.72% | |
| Current drawdowni | 1.56% | 4.12% | |
| Avg drawdowni | 6.46% | 6.22% | |
| Ulcer Indexi | 10.64% | 10.14% | |
| Max daily dropi | 11.90% | 11.79% | |
| Max wkly dropi | 17.07% | 16.40% |
| Category | VOOG | IWF |
|---|---|---|
| Fund name | Vanguard S&P 500 Growth Index Fund ETF Shares | iShares Russell 1000 Growth ETF |
| Type | ETF | ETF |
| Expense ratioi | 0.07% | 0.18% |
| Total assets (AUM)i | $27.12B | $125.54B |
| Dividend yieldi | 0.45% | 0.35% |
- Extremely low expense ratio for a growth-factor fund
- Full S&P 500 quality screen before the growth tilt is applied
- Vanguard's index-tracking discipline and tax efficiency
- Widely used institutional benchmark with deep liquidity
- Broader growth-stock universe than S&P-500-only growth funds
- Long track record through multiple market cycles
- Heavy concentration in mega-cap tech names
- Growth style underperforms sharply in rate-driven rotations
- Overlaps significantly with plain S&P 500 funds
- Higher expense ratio than Vanguard's comparable growth fund
- Russell's annual reconstitution can cause a volatile 'Russell rebalance' effect
- Concentrated in the same mega-cap tech leaders as peers
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