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
+0.13%
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. Both ETFs have the same top 3 sector exposures: Information Technology, Financials and Consumer Discretionary. IWB is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.03% for SPTM. IWB is up 5.02% year-to-date (YTD) with -$2.27B in YTD flows. SPTM performs better with 5.61% YTD performance, and +$302M 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 04/27/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWB SPTM | +12.40%+12.54% | +2.84%+3.25% | +5.02%+5.61% | +30.61%+31.33% | +79.32%+78.35% | +76.23%+80.01% |
| Flows | IWB SPTM | -$901M+$91M | -$1.86B+$457M | -$2.27B+$302M | -$2.37B+$826M | -$2.76B+$2.12B | -$1.91B+$3.25B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB SPTM | +15.61%+15.22% | +12.66%+12.56% | +15.12%+14.97% | +17.24%+16.99% |
| Max drawdown | IWB SPTM | -8.86%-8.72% | -8.86%-8.72% | -19.16%-18.88% | -25.17%-24.17% |
| Max drawdown duration | IWB SPTM | 76d63d | 76d63d | 126d126d | 709d707d |
Trading data
IWB | SPTM | |
Last sale 4/28/2026 at 1:30 PM | $389.07 | $86.41 |
| Previous close 04/27/2026 | $391.14 | $86.85 |
| Consolidated volume 04/27/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of March 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 4/28/2026 at 1:30 PM
Live
Closed
IWB | SPTM | |
|---|---|---|
| Last price | $389.07 | $86.41 |
| 1D performance | -0.53% | -0.51% |
| AuM | $46.06 B | $12.98 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 | 911 | 1416 |
| 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
96.58%
Other
3.42%
SPTM
USA
96.61%
Other
3.39%
Sectors
IWB
Information Techn.
32.18%
Financials
10.63%
Consumer Discreti.
10.06%
Communication Ser.
9.9%
Health Care
9.46%
Industrials
8.89%
Other
18.89%
SPTM
Information Techn.
32.28%
Financials
10.68%
Consumer Discreti.
10.18%
Communication Ser.
9.55%
Health Care
9.31%
Industrials
9.26%
Other
18.74%
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Diversification
IWB
Total weight of top 15 holdings out of 15
39.26%
SPTM
Total weight of top 15 holdings out of 15
39.15%
Top 15 holdings
Data as of March 31, 2026
IWB
NVIDIA
6.82%
APPLE
6.11%
MICROSOFT-T
4.59%
AMAZON.COM INC
3.34%
ALPHABET INC-CL
2.79%
BROADCOM LIMITED
2.39%
ALPHABET INC-CL
2.27%
META PLATFORMS
2.09%
TESLA
1.75%
BERKSHIRE HATHWAY
1.48%
JPMORGAN CHASE
1.33%
LILLY
1.23%
EXXON
1.20%
JOHNSON&JOHNSON
0.98%
WALMART INC
0.90%
SPTM
NVIDIA
6.98%
APPLE
6.13%
MICROSOFT-T
4.52%
AMAZON.COM INC
3.35%
ALPHABET INC-CL
2.75%
BROADCOM LIMITED
2.42%
ALPHABET INC-CL
2.21%
META PLATFORMS
2.06%
TESLA
1.72%
BERKSHIRE HATHWAY
1.45%
JPMORGAN CHASE
1.31%
LILLY
1.20%
EXXON
1.17%
JOHNSON&JOHNSON
0.97%
WALMART INC
0.90%
Frequently asked questions about IWB and SPTM
How have the IWB and SPTM ETFs performed in 2026?
As of April 27, 2026, IWB is up 5.02% year-to-date (YTD), while SPTM has returned 5.61%. 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 -$2.27B in flows, compared to +$302M for SPTM.
Which ETF is more volatile: IWB or SPTM?
Over the past year, IWB had a volatility of 12.66%, while SPTM experienced 12.56%.
Which ETF is bigger: IWB or SPTM?
As of April 27, 2026, IWB holds $46.06 B in assets under management (AUM), while SPTM manages $12.98 B.
What sectors do the IWB and SPTM ETFs invest in?
IWB leans toward sectors like Information Technology, Financials and Consumer Discretionary. Meanwhile, SPTM focuses on Information Technology, Financials and Consumer Discretionary.
What are the top holdings of the IWB ETF and SPTM ETF?
IWB top holdings include NVIDIA, APPLE and MICROSOFT-T. SPTM holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: IWB or SPTM?
IWB holds 1006 securities with 39.26% of its assets in the top 15. SPTM has 1502 securities and a top 15 weight of 39.15%.
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Latest news about IWB & SPTM
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SPTM
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