Data as of Oct 28, 2026.
IGM vs VOOG: Differences, Returns & Fees
Over the year to Oct 28, 2026, IGM returned +21.7% to VOOG's +12.1%; 60% of their weight is in the same names.
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Net assets: $11.0bn on Oct 27, 2026 for iShares Expanded Tech Sector ETF, and $27.8bn on Sep 30, 2026 for Vanguard S&P 500 Growth ETF.
Pair scorecard
VOOG costs 0.32 points a year less; their one-year returns differ by 9.6 points; VOOG is 2.4 times larger.
| Measure | IGM | VOOG |
|---|---|---|
| Return | ||
| Total return, 1 year | +21.7% | +12.1% |
| Drawdown | ||
| Below its high | 6.2%, high on Oct 6, 2026 | 4.1%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | S&P North American Expanded Technology Sector Index | S&P 500 Growth Index |
| Cost and size | ||
| Expense ratio | 0.37% | 0.05% |
| Net assets, as of Sep 30, 2026 | $11.4bn | $27.8bn |
| Holdings | ||
| Holdings in common | 60% | |
| Top ten holdings, share of the fund | 56.8% | 60.2% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Sep 17, 2010 to Oct 23, 2026 · 840 weekly returnsIGM returned more: +1,844.0% to +1,043.0%. VOOG swung less: 17.5% to 20.7%. VOOG fell less at its worst: −32.0% to −40.1%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IGM | VOOG | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +1,844.0% | +1,043.0% | IGM | Price change plus distributions, reinvested. |
| Annualized | +20.2% | +16.3% | IGM | Total return as a yearly rate. |
| Price return | +1,673.2% | +845.5% | IGM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 20.7% | 17.5% | VOOG | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.6% | 11.7% | VOOG | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −40.1% | −32.0% | VOOG | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.91 | 0.86 | IGM (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 1.39 | 1.28 | IGM (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.50 | 0.51 | Tie | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 840 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IGM and VOOG hold 60% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
60% in common
Only in one fund ↓
Side by side
IGM and VOOG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IGM and VOOG do different jobs. What does each one do in a portfolio?
- What each follows. IGM follows S&P North American Expanded Technology Sector Index and VOOG follows S&P 500 Growth Index.
- One-year total return. Over 1 year to Oct 28, 2026 IGM returned +21.7% and VOOG +12.1% with distributions reinvested, a gap of 9.6 points.
- Cost. IGM charges 0.37% of assets a year and VOOG 0.05%, a gap of 0.32 points.
Data as of Oct 28, 2026.
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IGM
IGM tracks an index of Expanded Tech Sector. Over the year to Oct 28, 2026 it returned +21.7% with distributions reinvested. The prospectus expense ratio is 0.37% a year. By its holdings published by its issuer for Oct 27, 2026, 92% of the fund by weight is stocks the S&P 500 also holds, across 295 positions, with the top ten at 56.8%. It sat 6.2% below its high of Oct 6, 2026 on Oct 28, 2026.
VOOG
VOOG tracks the S&P 500 Growth. Over the year to Oct 28, 2026 it returned +12.1% with distributions reinvested, against +12.1% for its benchmark, the S&P 500 Growth Index. The prospectus expense ratio is 0.05% a year. By its holdings published by its issuer as of Sep 30, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 154 positions, with the top ten at 60.2%. It sat 4.1% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IGM or VOOG?
- In the year to Oct 28, 2026, with distributions reinvested, IGM returned +21.7% and VOOG +12.1%.
- Which is cheaper, IGM or VOOG?
- VOOG is cheaper, by 0.32 percentage points a year. That is about $32 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, IGM against VOOG, data as of Oct 28, 2026. https://etfiq.com/compare/any/igm-vs-voog
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[IGM against VOOG (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/igm-vs-voog)
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