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IWBvsTACUETF Comparison
iShares Russell 1000 ETF (IWB) and T. Rowe Price Active Core U.S. Equity ETF (TACU) belong to the same industry segment: US Large Cap. IWB's top 3 sector exposures are Information Technology, Financials and Communication Services. In contrast, TACU's top sector exposures are Information Technology, Financials and Consumer Discretionary. IWB is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.14% for TACU. IWB is down -2.33% year-to-date (YTD) with -$318M in YTD flows. TACU performs better with -0.85% YTD performance, and +$1M in YTD flows. Run a side-by-side ETF comparison of IWB and TACU below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
IWB vs TACU performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | IWB TACU | -2.31%-2.38% | -2.16%-0.61% | -2.33%-0.85% | +20.21%n/a | +78.51%n/a | +73.99%n/a |
| Flows | IWB TACU | -$67M+$6K | -$58M+$12M | -$318M+$1M | +$951M- | -$954M- | +$206M- |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | IWB TACU | +12.16%+11.47% | +18.49%n/a | +15.02%n/a | +17.14%n/a |
| Max drawdown | IWB TACU | -4.36%-3.24% | -13.95%n/a | -19.16%n/a | -25.17%n/a |
| Max drawdown duration | IWB TACU | 44d43d | 45dn/a | 126dn/a | 709dn/a |
IWB | TACU | |
Last sale 3/13/2026 at 1:30 PM | $362.62 | $24.12 |
| Previous close 03/12/2026 | $364.59 | $24.28 |
| Consolidated volume 03/12/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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IWB | TACU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
IWB | TACU | |
|---|---|---|
| Last price | $362.62 | $24.12 |
| 1D performance | -0.54% | -0.65% |
| AuM | $44.89 B | $11.70 M |
| E/R | 0.15% | 0.14% |
IWB | TACU | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | T. Rowe Price |
| Benchmark | Russell 1000 Index | - |
| N° of holdings | 914 | 527 |
| Asset class | Equities | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 15, 2000 | December 11, 2025 |
| ESG | No | No |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
Top 15 holdings
How have the IWB and TACU ETFs performed in 2026?
As of March 12, 2026, IWB is down -2.33% year-to-date (YTD), while TACU has lost -0.85%. That puts TACU better performer ahead so far this year.
Which ETF is attracting more investor money: IWB or TACU?
Year-to-date, the IWB ETF saw -$318M in flows, compared to +$1M for TACU.
Which ETF is bigger: IWB or TACU?
As of March 12, 2026, IWB holds $44.89 B in assets under management (AUM), while TACU manages $11.70 M.
What sectors do the IWB and TACU ETFs invest in?
IWB leans toward sectors like Information Technology, Financials and Communication Services. Meanwhile, TACU focuses on Information Technology, Financials and Consumer Discretionary.
What are the top holdings of the IWB ETF and TACU ETF?
IWB top holdings include NVIDIA, APPLE and MICROSOFT-T. TACU holds in its top three: NVIDIA, APPLE and MICROSOFT-T.
Which ETF is more diversified: IWB or TACU?
IWB holds 1008 securities with 40.55% of its assets in the top 15. TACU has 549 securities and a top 15 weight of 40.03%.
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