MBBvsFTPAETF Comparison
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iShares MBS ETF (MBB) belongs to the MBS & ABS segment. Franklin Pennsylvania Municipal Income ETF (FTPA) is part of the Municipal Bonds segment. MBB's top 3 sector exposures are Industrials, Non-Corporate and Finance. In contrast, FTPA's top sector exposures are Municipal. MBB is less expensive with a Total Expense Ratio (TER) of 0.04%, versus 0.35% for FTPA. MBB is down -1.15% year-to-date (YTD) with +$1.52B in YTD flows. FTPA performs worse with -3.15% YTD performance, and +$31M in YTD flows. Run a side-by-side ETF comparison of MBB and FTPA 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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MBB vs FTPA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/10/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | MBB FTPA | -1.16%-3.26% | -1.51%-4.35% | -1.15%-3.15% | +0.30%n/a | +13.98%n/a | -0.40%n/a |
| Flows | MBB FTPA | +$655M+$11M | +$892M+$11M | +$1.52B+$31M | -$888M- | +$12.43B- | +$17.94B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | MBB FTPA | +4.89%+3.89% | +4.22%n/a | +5.85%n/a | +6.60%n/a |
| Max drawdown | MBB FTPA | -2.60%-5.21% | -3.19%n/a | -5.44%n/a | -17.29%n/a |
| Max drawdown duration | MBB FTPA | 73d72d | 193dn/a | 75dn/a | 1492dn/a |
Trading data
MBB | FTPA | |
Last sale 9/11/2026 at 1:30 PM | $91.38 | |
| Previous close 09/10/2026 | $91.48 | |
| 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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FTPA
is actively managed and doesn’t replicate an indexMBB | FTPA | |
|---|---|---|
| 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
MBB | FTPA | |
|---|---|---|
| Last price | $91.38 | – |
| 1D performance | -0.11% | – |
| AuM | $39.00 B | $107.07 M |
| E/R | 0.04% | 0.35% |
Characteristics
MBB | FTPA | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | iShares | Franklin Templeton |
| Benchmark | Bloomberg U.S. MBS Index | - |
| N° of holdings | 1231 | 26 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | March 13, 2007 | November 10, 2025 |
| ESG | No | No |
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Exposure
Countries
MBB
USA
29.07%
Other
70.93%
FTPA
USA
28.99%
Other
71.01%
Sectors
MBB
Industrials
20.93%
Non-Corporate
7.91%
Other
71.16%
FTPA
Municipal
28.99%
Other
71.01%
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Diversification
MBB
Total weight of top 15 holdings out of 15
16.01%
FTPA
Total weight of top 15 holdings out of 15
26.24%
Top 15 holdings
Data as of July 31, 2026
MBB
BlackRock Cash Funds - Institutional
7.91%
FR SD8146, 2% 1may2051, USD (ABS)
1.00%
US21H0526861
0.98%
US01F0506844
0.66%
US21H0506806
0.58%
US01F0526800
0.56%
G2 MB0025, 5% 20nov2054, USD (ABS)
0.53%
G2 MA7648, 2% 20oct2051, USD (ABS)
0.52%
US36179WTX64
0.51%
FN MA4492, 2% 1dec2051, USD (ABS)
0.50%
FR SD8140, 2% 1apr2051, USD (ABS)
0.48%
US21H0426872
0.46%
US21H0606895
0.45%
US36179WJR07
0.44%
FN MA4465, 2% 1nov2051, USD (ABS)
0.43%
FTPA
Philadelphia, 5% 1aug2047, USD
2.77%
US842039FR53
1.97%
Allegheny Hospital Development Authority, 4% 1apr2044, USD
1.96%
US709221SB22
1.89%
US709225QR06
1.79%
Pennsylvania Economic Development Financing Authority, 5% 15feb2039, USD (2022A)
1.73%
US230822TW83
1.70%
North Penn School District, 5% 1mar2051, USD (2026)
1.68%
Pennsylvania Economic Development Financing Authority, 5.25% 15dec2051, USD (2026)
1.68%
US52480RGN44
1.67%
US087470BX73
1.65%
Lackawanna Industrial Development Authority, 4% 1nov2040, USD
1.48%
US458436YP15
1.45%
US717868HY29
1.43%
US514349CZ07
1.39%
Frequently asked questions about MBB and FTPA
How have the MBB and FTPA ETFs performed in 2026?
As of September 10, 2026, MBB is down -1.15% year-to-date (YTD), while FTPA has lost -3.15%. That puts MBB better performer ahead so far this year.
Which ETF is attracting more investor money: MBB or FTPA?
Year-to-date, the MBB ETF saw +$1.52B in flows, compared to +$31M for FTPA.
Which ETF is bigger: MBB or FTPA?
As of September 10, 2026, MBB holds $39.00 B in assets under management (AUM), while FTPA manages $107.07 M.
What sectors do the MBB and FTPA ETFs invest in?
MBB leans toward sectors like Industrials and Non-Corporate. Meanwhile, FTPA focuses on Municipal.
What are the top holdings of the MBB ETF and FTPA ETF?
MBB top holdings include BlackRock Cash Funds - Institutional, FR SD8146, 2% 1may2051, USD (ABS) and US21H0526861. FTPA holds in its top three: Philadelphia, 5% 1aug2047, USD, US842039FR53 and Allegheny Hospital Development Authority, 4% 1apr2044, USD.
Which ETF is more diversified: MBB or FTPA?
MBB holds 9388 securities with 16.01% of its assets in the top 15. FTPA has 106 securities and a top 15 weight of 26.24%.
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Latest news about MBB & FTPA
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