IWBvsSPTMETF Comparison
VS
ETF 2
SPTM
State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF
This fund is part of
US All Cap
+0.79%
iShares Russell 1000 ETF (IWB) belongs to the US Large Cap segment. State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) is part of the US All Cap segment. IWB's top 3 sector exposures are Technology, Finance and Healthcare. In contrast, SPTM's top sector exposures are Technology, Finance and Consumer Non-Cyclicals. IWB is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.03% for SPTM. IWB is up 12.44% year-to-date (YTD) with -$2.57B in YTD flows. SPTM performs better with 12.86% YTD performance, and +$553M in YTD flows. Run a side-by-side ETF comparison of IWB and SPTM below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
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IWB vs SPTM performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/11/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWB SPTM | -0.99%-1.06% | +3.70%+3.48% | +12.44%+12.86% | +16.66%+17.32% | +75.47%+75.06% | +77.12%+80.57% |
| Flows | IWB SPTM | -$167M+$219M | -$444M+$301M | -$2.57B+$553M | -$2.05B+$789M | -$2.56B+$2.14B | -$2.46B+$3.30B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB SPTM | +11.86%+11.65% | +13.00%+12.82% | +15.23%+15.07% | +17.35%+17.08% |
| Max drawdown | IWB SPTM | -3.34%-3.18% | -8.86%-8.72% | -19.16%-18.88% | -25.17%-24.17% |
| Max drawdown duration | IWB SPTM | 19d19d | 76d63d | 126d126d | 709d707d |
Trading data
IWB | SPTM | |
Last sale 9/11/2026 at 1:30 PM | $417.91 | $92.55 |
| Previous close 09/10/2026 | $414.32 | $91.81 |
| Consolidated volume 09/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of August 31, 2026
1-year trailing difference
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IWB | SPTM | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/11/2026 at 1:30 PM
Live
Closed
IWB | SPTM | |
|---|---|---|
| Last price | $417.91 | $92.55 |
| 1D performance | +0.87% | +0.81% |
| AuM | $48.92 B | $14.08 B |
| E/R | 0.15% | 0.03% |
Characteristics
IWB | SPTM | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Russell 1000 Index | S&P Composite 1500 Index |
| N° of holdings | 1011 | 1497 |
| Asset class | Equities | Equities |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 15, 2000 | October 4, 2000 |
| ESG | No | No |
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Exposure
Countries
IWB
USA
97.59%
Other
2.41%
SPTM
USA
96.36%
Other
3.64%
Sectors
IWB
Technology
42.37%
Finance
14.69%
Healthcare
9.22%
Consumer Non-Cycl.
8.65%
Industrials
8.55%
Other
16.51%
SPTM
Technology
42.23%
Finance
14.65%
Consumer Non-Cycl.
9.12%
Healthcare
9%
Industrials
8.47%
Other
16.53%
Diversification
IWB
Total weight of top 15 holdings out of 15
40.24%
SPTM
Total weight of top 15 holdings out of 15
40.55%
Top 15 holdings
Data as of July 31, 2026
IWB
Apple, Inc.
7.01%
NVIDIA Corp.
6.62%
Microsoft Corp.
4.88%
Amazon.com, Inc.
3.32%
Alphabet, Inc.
2.83%
Broadcom Inc.
2.62%
Alphabet, Inc.
2.31%
Meta Platforms, Inc.
1.72%
Micron Technology, Inc.
1.43%
Berkshire Hathaway, Inc.
1.38%
JPMorgan Chase & Co.
1.36%
Eli Lilly & Co.
1.34%
Tesla, Inc.
1.31%
Advanced Micro Devices, Inc.
1.15%
ExxonMobil Holdings Corp.
0.95%
SPTM
NVIDIA Corp.
6.96%
Apple, Inc.
6.49%
Microsoft Corp.
4.94%
Amazon.com, Inc.
3.81%
Alphabet, Inc.
2.99%
Broadcom Inc.
2.64%
Alphabet, Inc.
2.41%
Meta Platforms, Inc.
1.75%
JPMorgan Chase & Co.
1.35%
Berkshire Hathaway, Inc.
1.34%
Micron Technology, Inc.
1.33%
Eli Lilly & Co.
1.30%
Tesla, Inc.
1.25%
Advanced Micro Devices, Inc.
1.11%
Johnson & Johnson
0.89%
Frequently asked questions about IWB and SPTM
How have the IWB and SPTM ETFs performed in 2026?
As of September 11, 2026, IWB is up 12.44% year-to-date (YTD), while SPTM has returned 12.86%. That puts SPTM better performer ahead so far this year.
Which ETF is attracting more investor money: IWB or SPTM?
Year-to-date, the IWB ETF saw -$2.57B in flows, compared to +$553M for SPTM.
Which ETF is more volatile: IWB or SPTM?
Over the past year, IWB had a volatility of 13%, while SPTM experienced 12.82%.
Which ETF is bigger: IWB or SPTM?
As of September 11, 2026, IWB holds $48.92 B in assets under management (AUM), while SPTM manages $14.08 B.
What sectors do the IWB and SPTM ETFs invest in?
IWB leans toward sectors like Technology, Finance and Healthcare. Meanwhile, SPTM focuses on Technology, Finance and Consumer Non-Cyclicals.
What are the top holdings of the IWB ETF and SPTM ETF?
IWB top holdings include Apple, Inc., NVIDIA Corp. and Microsoft Corp.. SPTM holds in its top three: NVIDIA Corp., Apple, Inc. and Microsoft Corp..
Which ETF is more diversified: IWB or SPTM?
IWB holds 1023 securities with 40.24% of its assets in the top 15. SPTM has 1502 securities and a top 15 weight of 40.55%.
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