PBUBvsIATETF Comparison
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Portfolio Building Block US Banks ETF (PBUB) and iShares U.S. Regional Banks ETF (IAT) belong to the same industry segment: US Financials. PBUB's top 1 sector exposures are Finance. In contrast, IAT's top sector exposures are Finance and Non-Corporate. PBUB is less expensive with a Total Expense Ratio (TER) of 0.14%, versus 0.37% for IAT. Run a side-by-side ETF comparison of PBUB and IAT 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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PBUB vs IAT performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PBUB IAT | +3.09%+6.56% | n/a-4.83% | n/a+12.09% | n/a+23.49% | n/a+100.99% | n/a+9.23% |
| Flows | PBUB IAT | --$9M | -+$41K | --$172K | --$24M | --$282M | --$517M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PBUB IAT | n/a+18.78% | n/a+20.86% | n/a+25.08% | n/a+28.54% |
| Max drawdown | PBUB IAT | n/a-13.57% | n/a-17.47% | n/a-29.31% | n/a-55.51% |
| Max drawdown duration | PBUB IAT | n/a85d | n/a136d | n/a379d | n/a1478d |
Trading data
PBUB | IAT | |
Last sale 11/10/2026 at 2:30 PM | $25.31 | $60.57 |
| Previous close 11/09/2026 | $25.36 | $60.74 |
| Consolidated volume 11/09/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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PBUB | IAT | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/10/2026 at 2:30 PM
Live
Closed
PBUB | IAT | |
|---|---|---|
| Last price | $25.31 | $60.57 |
| 1D performance | -0.23% | -0.28% |
| AuM | $1.01 M | $640.34 M |
| E/R | 0.14% | 0.37% |
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Exposure
Countries
PBUB
USA
99.85%
Other
0.15%
IAT
USA
97.98%
Other
2.02%
Sectors
PBUB
Finance
99.85%
Other
0.15%
IAT
Finance
99.78%
Other
0.22%
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Diversification
PBUB
Total weight of top 15 holdings out of 15
90.42%
IAT
Total weight of top 15 holdings out of 15
80.88%
Top 15 holdings
Data as of September 30, 2026
PBUB
JPMorgan Chase & Co.
14.68%
Bank of America Corp.
12.36%
Wells Fargo & Co.
7.87%
Citigroup, Inc.
7.05%
East West Bancorp, Inc.
4.65%
Fifth Third Bancorp
4.55%
First Citizens BancShares, Inc. (North Carolina)
4.42%
Huntington Bancshares, Inc.
4.42%
U.S. Bancorp
4.42%
M&T Bank Corp.
4.38%
The PNC Financial Services Group, Inc.
4.36%
KeyCorp
4.36%
Truist Financial Corp.
4.34%
Citizens Financial Group, Inc. (Rhode Island)
4.28%
Regions Financial Corp.
4.27%
IAT
U.S. Bancorp
15.16%
The PNC Financial Services Group, Inc.
14.94%
Truist Financial Corp.
9.54%
Fifth Third Bancorp
5.12%
Citizens Financial Group, Inc. (Rhode Island)
4.45%
Huntington Bancshares, Inc.
4.44%
M&T Bank Corp.
4.43%
Regions Financial Corp.
4.32%
KeyCorp
3.44%
First Citizens BancShares, Inc. (North Carolina)
3.44%
East West Bancorp, Inc.
3.20%
Pinnacle Financial Partners, Inc.
2.65%
First Horizon Corp. (Tennessee)
2.05%
Popular, Inc.
1.87%
SouthState Bank Corp.
1.83%
Frequently asked questions about PBUB and IAT
Which ETF is bigger: PBUB or IAT?
As of November 9, 2026, PBUB holds $1.01 M in assets under management (AUM), while IAT manages $640.34 M.
What sectors do the PBUB and IAT ETFs invest in?
PBUB leans toward sectors like Finance. Meanwhile, IAT focuses on Finance.
What are the top holdings of the PBUB ETF and IAT ETF?
PBUB top holdings include JPMorgan Chase & Co., Bank of America Corp. and Wells Fargo & Co.. IAT holds in its top three: U.S. Bancorp, The PNC Financial Services Group, Inc. and Truist Financial Corp..
Which ETF is more diversified: PBUB or IAT?
PBUB holds 18 securities with 90.42% of its assets in the top 15. IAT has 31 securities and a top 15 weight of 80.88%.
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Latest news about PBUB & IAT
Financials Gain Momentum
March 25, 2024
IAT
Regional Bank Stocks Bounce Back After a Tough Start to the Year
March 11, 2024
IAT
Regional Bank Crisis: The NYCB Effect and Market Fallout
February 5, 2024
IAT
The Top Three Moments That Moved ETF Markets in 2023
January 3, 2024
IAT
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Regional Bank Stocks Fall After Downbeat Interest Income Forecasts
November 28, 2023
IAT
Regional Bank Stocks Fall After Downbeat Interest Income Forecasts
November 28, 2023
IAT
Regional Banks Under Pressure
August 21, 2023
IAT
Regional Bank ETFs Slide Again as Moody's Downgrades Credit Ratings
August 9, 2023
IAT
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