Data as of Oct 28, 2026.
IGM vs SPYG: Differences, Returns & Fees
Over the year to Oct 28, 2026, IGM returned +21.7% to SPYG's +12.2%; 58% of their weight is in the same names.
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Net assets on Oct 27, 2026: $11.0bn for iShares Expanded Tech Sector ETF and $55.9bn for State Street SPDR Portfolio S&P 500 Growth ETF.
Pair scorecard
SPYG costs 0.33 points a year less; their one-year returns differ by 9.5 points; SPYG is 5.1 times larger.
| Measure | IGM | SPYG |
|---|---|---|
| Return | ||
| Total return, 1 year | +21.7% | +12.2% |
| 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% | 0.04% |
| Net assets, as of Oct 27, 2026 | $11.0bn | $55.9bn |
| Holdings | ||
| Holdings in common | 58% | |
| Top ten holdings, share of the fund | 56.8% | 59.6% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Mar 30, 2001 to Oct 23, 2026 · 1,334 weekly returnsIGM returned more: +1,968.5% to +1,014.0%. SPYG swung less: 19.3% to 23.5%. SPYG fell less at its worst: −52.3% to −62.6%.
Full scorecard
9 measures, with how each is measured Open ↓
| Measure | IGM | SPYG | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +1,968.5% | +1,014.0% | IGM | Price change plus distributions, reinvested. |
| Annualized | +12.5% | +9.9% | IGM | Total return as a yearly rate. |
| Price return | +1,744.2% | +745.8% | IGM | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 23.5% | 19.3% | SPYG | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 16.1% | 13.4% | SPYG | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −62.6% | −52.3% | SPYG | Deepest fall from a high to the low after it. |
| Risk-adjusted | ||||
| Sharpe | 0.55 | 0.49 | IGM (slight) | Return above Treasury bills per unit of volatility. |
| Sortino | 0.80 | 0.71 | IGM | Return above Treasury bills per unit of downside deviation. |
| Calmar | 0.20 | 0.19 | IGM (slight) | Annualized return divided by the max drawdown. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 1,334 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, IGM and SPYG hold 58% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
58% in common
Only in one fund ↓
Side by side
IGM and SPYG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
IGM and SPYG 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 SPYG follows S&P 500 Growth Index.
- One-year total return. Over 1 year to Oct 28, 2026 IGM returned +21.7% and SPYG +12.2% with distributions reinvested, a gap of 9.5 points.
- Cost. IGM charges 0.37% of assets a year and SPYG 0.04%, a gap of 0.33 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.
SPYG
SPYG tracks the S&P 500 Growth. Over the year to Oct 28, 2026 it returned +12.2% with distributions reinvested, against +12.1% for its benchmark, the S&P 500 Growth Index. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 27, 2026, 100% of the fund by weight is stocks the S&P 500 also holds, across 152 positions, with the top ten at 59.6%. 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 SPYG?
- In the year to Oct 28, 2026, with distributions reinvested, IGM returned +21.7% and SPYG +12.2%.
- Which is cheaper, IGM or SPYG?
- SPYG is cheaper, by 0.33 percentage points a year. That is about $33 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 SPYG, data as of Oct 28, 2026. https://etfiq.com/compare/any/igm-vs-spyg
ETFIQ. (Oct 28, 2026). IGM against SPYG. Retrieved from https://etfiq.com/compare/any/igm-vs-spyg
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