PUSHvsMBBETF Comparison
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PGIM Ultra Short Municipal Bond ETF (PUSH) belongs to the Municipal Bonds segment. iShares MBS ETF (MBB) is part of the MBS & ABS segment. PUSH's top 2 sector exposures are Municipal and Non-Corporate. In contrast, MBB's top sector exposures are Industrials, Non-Corporate and Finance. PUSH is more expensive with a Total Expense Ratio (TER) of 0.15%, versus 0.04% for MBB. PUSH is up 1.56% year-to-date (YTD) with +$131M in YTD flows. MBB performs worse with -1.78% YTD performance, and -$1.79B in YTD flows. Run a side-by-side ETF comparison of PUSH and MBB 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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PUSH vs MBB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | PUSH MBB | -0.11%-0.25% | -0.12%-2.30% | +1.56%-1.78% | +2.20%-1.43% | n/a+17.04% | n/a-0.38% |
| Flows | PUSH MBB | +$40M-$3.31B | +$74M-$2.66B | +$131M-$1.79B | +$134M-$5.06B | -+$8.97B | -+$13.89B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | PUSH MBB | +1.12%+5.70% | +0.70%+4.61% | n/a+5.73% | n/a+6.66% |
| Max drawdown | PUSH MBB | -1.19%-4.27% | -1.19%-5.38% | n/a-5.38% | n/a-16.94% |
| Max drawdown duration | PUSH MBB | 46d52d | 46d229d | n/a229d | n/a1405d |
Trading data
PUSH | MBB | |
Last sale 10/16/2026 at 1:30 PM | $50.17 | $90.52 |
| Previous close 10/15/2026 | $50.10 | $90.59 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of September 30, 2026
1-year trailing difference
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PUSH
is actively managed and doesn’t replicate an indexPUSH | MBB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
PUSH | MBB | |
|---|---|---|
| Last price | $50.17 | $90.52 |
| 1D performance | +0.14% | -0.08% |
| AuM | $176.07 M | $35.27 B |
| E/R | 0.15% | 0.04% |
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Exposure
Countries
PUSH
USA
29.54%
Other
70.46%
MBB
USA
28.44%
Other
71.56%
Sectors
PUSH
Municipal
24.99%
Other
75.01%
MBB
Industrials
20.61%
Non-Corporate
7.6%
Other
71.79%
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Diversification
PUSH
Total weight of top 15 holdings out of 15
19.18%
MBB
Total weight of top 15 holdings out of 15
16.82%
Top 15 holdings
Data as of August 31, 2026
PUSH
PGIM Core Government Money Market Fund
4.55%
US04062PCC32
1.41%
Michigan Finance Authority, 5% 1dec2037, USD (2017A)
1.38%
US92162PAM77
1.33%
Main Street Natural Gas Inc., 4% 1jul2052, USD (2021A)
1.13%
US880443JF46
1.07%
Southeast Energy Authority, 5.25% 1jan2054, USD (2023A)
1.04%
US781741AV51
1.02%
Kentucky Public Energy Authority, 4% 1feb2050, USD
1.02%
Chandler Industrial Development Authority, 4% 1jun2049, USD (2019)
0.95%
US358388TR77
0.90%
Texas Municipal Gas Acquisition and Supply Corp., 5.5% 1jan2054, USD (2023A)
0.90%
US57584XEF42
0.83%
US686430GE38
0.83%
US652276DB90
0.80%
MBB
BlackRock Cash Funds - Institutional
7.60%
US01F0526982
1.26%
US21H0526945
1.05%
FR SD8146, 2% 1may2051, USD (ABS)
0.98%
US01F0506927
0.87%
US21H0606978
0.63%
G2 MB0025, 5% 20nov2054, USD (ABS)
0.55%
US21H0506988
0.55%
G2 MA7648, 2% 20oct2051, USD (ABS)
0.51%
US36179WTX64
0.50%
FN MA4492, 2% 1dec2051, USD (ABS)
0.49%
US36179WJR07
0.48%
US21H0426955
0.48%
FR SD8140, 2% 1apr2051, USD (ABS)
0.47%
FN MA4465, 2% 1nov2051, USD (ABS)
0.42%
Frequently asked questions about PUSH and MBB
How have the PUSH and MBB ETFs performed in 2026?
As of October 15, 2026, PUSH is up 1.56% year-to-date (YTD), while MBB has lost -1.78%. That puts PUSH better performer ahead so far this year.
Which ETF is attracting more investor money: PUSH or MBB?
Year-to-date, the PUSH ETF saw +$131M in flows, compared to -$1.79B for MBB.
Which ETF is more volatile: PUSH or MBB?
Over the past year, PUSH had a volatility of 0.7%, while MBB experienced 4.61%.
Which ETF is bigger: PUSH or MBB?
As of October 15, 2026, PUSH holds $176.07 M in assets under management (AUM), while MBB manages $35.27 B.
What sectors do the PUSH and MBB ETFs invest in?
PUSH leans toward sectors like Municipal. Meanwhile, MBB focuses on Industrials and Non-Corporate.
What are the top holdings of the PUSH ETF and MBB ETF?
PUSH top holdings include PGIM Core Government Money Market Fund, US04062PCC32 and Michigan Finance Authority, 5% 1dec2037, USD (2017A). MBB holds in its top three: BlackRock Cash Funds - Institutional, US01F0526982 and US21H0526945.
Which ETF is more diversified: PUSH or MBB?
PUSH holds 322 securities with 19.18% of its assets in the top 15. MBB has 9405 securities and a top 15 weight of 16.82%.
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Latest news about PUSH & MBB
The Weekly ETF Market Monitor (September 28-October 2, 2026)
October 2, 2026
MBB
NYSE x ETF Central ETF Education Series
March 5, 2024
MBB
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