Data as of Oct 28, 2026.
SPYM vs VONG: Differences, Returns & Fees
Over the year to Oct 28, 2026, SPYM returned +13.7% to VONG's +1.1%; 57% of their weight is in the same names.
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Net assets: $185.0bn on Oct 27, 2026 for State Street SPDR Portfolio S&P 500 ETF, and $47.1bn on Sep 30, 2026 for Vanguard Russell 1000 Growth ETF.
Pair scorecard
SPYM costs 0.04 points a year less; their one-year returns differ by 12.6 points; SPYM is 3.7 times larger.
| Measure | SPYM | VONG |
|---|---|---|
| Return | ||
| Total return, 1 year | +13.7% | +1.1% |
| Drawdown | ||
| Below its high | 4.8%, high on Oct 6, 2026 | |
| Benchmark | ||
| What it tracks | S&P 500 Index | Russell 1000 Growth Index |
| Cost and size | ||
| Expense ratio | 0.02% | 0.06% |
| Net assets, as of Sep 30, 2026 | $173.6bn | $47.1bn |
| Holdings | ||
| Holdings in common | 57% | |
| Top ten holdings, share of the fund | 38.1% | 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 returnsEach against its own benchmark: SPYM against IVV, Nov 25, 2005 to Oct 23, 2026; VONG against IWF, Oct 1, 2010 to Oct 23, 2026.
VONG returned more: +1,017.5% to +781.6%. SPYM swung less: 15.8% to 17.9%. SPYM fell slightly less at its worst: −31.8% to −32.5%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | SPYM | VONG | Edge | How it is measured |
|---|---|---|---|---|
| Return | ||||
| Total return | +781.6% | +1,017.5% | VONG | Price change plus distributions, reinvested. |
| Annualized | +14.5% | +16.2% | VONG | Total return as a yearly rate. |
| Price return | +566.5% | +840.0% | VONG | Price change alone, distributions left out. |
| Risk | ||||
| Volatility | 15.8% | 17.9% | SPYM | Spread of weekly returns, annualized. Lower is steadier. |
| Downside deviation | 10.8% | 12.0% | SPYM (slight) | Like volatility, counting only weeks below the Treasury bill rate. |
| Max drawdown | −31.8% | −32.5% | SPYM (slight) | Deepest fall from a high to the low after it. |
| Upside capture | 94.1% | 99.9% | Share of its benchmark's rise caught in the weeks it rose. | |
| Downside capture | 96.9% | 99.8% | Share of its benchmark's fall taken in the weeks it fell. Lower is better. | |
| Beta | 0.96 | 0.99 | Not an edge | How far it moves for each 1% its benchmark moves. |
| R squared | 0.95 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | ||||
| Sharpe | 0.84 | 0.84 | Tie | Return above Treasury bills per unit of volatility. |
| Sortino | 1.22 | 1.25 | VONG (slight) | Return above Treasury bills per unit of downside deviation. |
| Treynor | 0.106 | 0.151 | Return above Treasury bills per unit of beta. | |
| Calmar | 0.45 | 0.50 | VONG (slight) | Annualized return divided by the max drawdown. |
| Against the benchmark | ||||
| Benchmark | IVV | IWF | The ETF each fund is measured against. | |
| Alpha | +0.4% a year | +0.2% a year | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.53 | 0.76 | Not an edge | How sure the alpha is. Below 2, it could be chance. |
| Alpha range | −1.2% to +2.0% | −0.3% to +0.7% | Includes zero | The 95% range for the yearly alpha. |
| Information ratio | 0.00 | 0.11 | Return against its benchmark per unit of tracking error. | |
| Tracking error | 3.8% | 1.0% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
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, SPYM and VONG hold 57% of their money in the same securities at the same weight. Holdings dated Sep 30, 2026 and Oct 27, 2026.
half
57% in common
Only in one fund ↓
Side by side
SPYM and VONG on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
SPYM and VONG do different jobs. What does each one do in a portfolio?
- What each follows. SPYM follows S&P 500 Index and VONG follows Russell 1000 Growth Index.
- One-year total return. Over 1 year to Oct 28, 2026 SPYM returned +13.7% and VONG +1.1% with distributions reinvested, a gap of 12.6 points.
- Size. SPYM has $173.6bn in net assets and VONG $47.1bn (net assets, as of Sep 30, 2026); SPYM is 3.7 times larger.
Data as of Oct 28, 2026.
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SPYM
SPYM tracks the S&P 500. Over the year to Oct 28, 2026 it returned +13.7% with distributions reinvested, against +13.7% for its benchmark, the S&P 500 Index. The prospectus expense ratio is 0.02% 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 506 positions, with the top ten at 38.1%.
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, SPYM or VONG?
- In the year to Oct 28, 2026, with distributions reinvested, SPYM returned +13.7% and VONG +1.1%.
- Which is cheaper, SPYM or VONG?
- SPYM is cheaper, by 0.04 percentage points a year. That is about $4 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, SPYM against VONG, data as of Oct 28, 2026. https://etfiq.com/compare/any/spym-vs-vong
ETFIQ. (Oct 28, 2026). SPYM against VONG. Retrieved from https://etfiq.com/compare/any/spym-vs-vong
[SPYM against VONG (ETFIQ, Oct 28, 2026)](https://etfiq.com/compare/any/spym-vs-vong)
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