Data as of Oct 28, 2026.
IGM vs VONG: Differences, Returns & Fees
Over the year to Oct 28, 2026, IGM returned +21.7% to VONG's +1.1%; 62% 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 $47.1bn on Sep 30, 2026 for Vanguard Russell 1000 Growth ETF.
Pair scorecard
VONG costs 0.31 points a year less; their one-year returns differ by 20.6 points; VONG is 4.1 times larger.
| Measure | IGM | VONG |
|---|---|---|
| Return | ||
| Total return, 1 year | +21.7% | +1.1% |
| Drawdown | ||
| Below its high | 6.2%, high on Oct 6, 2026 | 4.8%, high on Oct 6, 2026 |
| Benchmark | ||
| What it tracks | S&P North American Expanded Technology Sector Index | Russell 1000 Growth Index |
| Cost and size | ||
| Expense ratio | 0.37% | 0.06% |
| Net assets, as of Sep 30, 2026 | $11.4bn | $47.1bn |
| Holdings | ||
| Holdings in common | 62% | |
| Top ten holdings, share of the fund | 56.8% | 57.6% |
Holdings in common uses holdings dated Sep 30, 2026 and Oct 27, 2026. Method
Risk and return
Oct 1, 2010 to Oct 23, 2026 · 838 weekly returnsIGM returned more: +1,796.4% to +1,017.5%. VONG swung less: 17.9% to 20.8%. VONG fell less at its worst: −32.5% to −40.1%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IGM | VONG | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +1,796.4% | +1,017.5% | IGM | Price change plus distributions, reinvested. |
| Annualized | +20.0% | +16.2% | IGM | Total return as a yearly rate. |
| Price return | +1,629.8% | +840.0% | IGM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 20.8% | 17.9% | VONG | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 13.7% | 12.0% | VONG | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −40.1% | −32.5% | VONG | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.91 | 0.84 | IGM (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 1.38 | 1.25 | IGM (slight) | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.50 | 0.50 | Tie | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 838 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IGM and VONG hold 62% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
62% in common
Only in one fund ↓
Side by side
IGM and VONG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IGM and VONG 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 VONG follows Russell 1000 Growth Index.
- One-year total return. Over 1 year to Oct 28, 2026 IGM returned +21.7% and VONG +1.1% with distributions reinvested, a gap of 20.6 points.
- Cost. IGM charges 0.37% of assets a year and VONG 0.06%, a gap of 0.31 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.
VONG
VONG tracks the Russell 1000 Growth. Over the year to Oct 28, 2026 it returned +1.1% with distributions reinvested, against +0.9% for its benchmark, the Russell 1000 Growth Index. The prospectus expense ratio is 0.06% a year. By its holdings published by its issuer as of Sep 30, 2026, 96% of the fund by weight is stocks the S&P 500 also holds, across 373 positions, with the top ten at 57.6%. It sat 4.8% below its high of Oct 6, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, IGM or VONG?
- In the year to Oct 28, 2026, with distributions reinvested, IGM returned +21.7% and VONG +1.1%.
- Which is cheaper, IGM or VONG?
- VONG is cheaper, by 0.31 percentage points a year. That is about $31 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 VONG, data as of Oct 28, 2026. https://etfiq.com/compare/any/igm-vs-vong
ETFIQ. (Oct 28, 2026). IGM against VONG. Retrieved from https://etfiq.com/compare/any/igm-vs-vong
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