GENMvsSPMBETF Comparison
VS
ETF 2
SPMB
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
This fund is part of
MBS & ABS
-0.3%
Genter Capital Municipal Quality Intermediate ETF (GENM) belongs to the Municipal Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. GENM's top 2 sector exposures are Municipal and Non-Corporate. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. GENM is more expensive with a Total Expense Ratio (TER) of 0.39%, versus 0.04% for SPMB. GENM is up 0.98% year-to-date (YTD) with +$14M in YTD flows. SPMB performs worse with -0.27% YTD performance, and +$644M in YTD flows. Run a side-by-side ETF comparison of GENM and SPMB 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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GENM vs SPMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GENM SPMB | +0.29%-0.12% | -0.30%-0.96% | +0.98%-0.27% | +2.69%+2.85% | n/a+14.44% | n/a+0.23% |
| Flows | GENM SPMB | +$814K+$169M | +$3M+$305M | +$14M+$644M | +$22M+$941M | -+$2.57B | -+$3.68B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GENM SPMB | +1.55%+4.72% | +1.69%+4.27% | n/a+5.94% | n/a+6.71% |
| Max drawdown | GENM SPMB | -1.14%-1.90% | -1.93%-2.98% | n/a-5.55% | n/a-17.38% |
| Max drawdown duration | GENM SPMB | 55d64d | 117d184d | n/a84d | n/a1500d |
Trading data
GENM | SPMB | |
Last sale 9/2/2026 at 1:30 PM | $10.16 | $21.82 |
| Previous close 09/01/2026 | $10.15 | $21.82 |
| Consolidated volume 09/01/2026 | ||
| 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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GENM
is actively managed and doesn’t replicate an indexGENM | SPMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
GENM | SPMB | |
|---|---|---|
| Last price | $10.16 | $21.82 |
| 1D performance | +0.10% | +0.00% |
| AuM | $31.37 M | $7.09 B |
| E/R | 0.39% | 0.04% |
Characteristics
GENM | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Genter Capital | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 25 | 554 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | May 22, 2024 | January 15, 2009 |
| ESG | No | No |
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Exposure
Countries
GENM
USA
33.08%
Other
66.92%
SPMB
USA
32.64%
Other
67.36%
Sectors
GENM
Municipal
30.96%
Other
69.04%
SPMB
Industrials
32.31%
Other
67.69%
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Diversification
GENM
Total weight of top 15 holdings out of 15
36.11%
SPMB
Total weight of top 15 holdings out of 15
9.28%
Top 15 holdings
Data as of July 31, 2026
GENM
Black Belt Energy Gas District, 4% 1oct2052, USD (2021)
3.55%
Southeast Energy Authority, 5% 1jan2054, USD (2023B)
3.42%
Texas Municipal Gas Acquisition and Supply Corp., 5.5% 1jan2054, USD (2023A)
3.08%
Texas Transportation Commission, 2.8% 1oct2041, USD (2014-B)
2.74%
California Community Choice Financing Authority, 5% 1feb2031, USD (2026D)
2.57%
US92162PAM77
2.53%
US681725PC59
2.46%
US54627CCF86
2.46%
Fidelity Investments Money Market Funds - Government Portfolio
2.12%
US944514X941
2.04%
US13048RAF47
1.96%
US74440DFN93
1.88%
US904189CK18
1.79%
US810694R761
1.76%
US796242VJ13
1.75%
SPMB
US3142J6C840
1.16%
US01F0526800
0.86%
FN MA4547, 2% 1feb2052, USD (ABS)
0.78%
US3142J6BK85
0.76%
US01F0506844
0.70%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.60%
US3132DWMY65
0.55%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.54%
FN MA4701, 4.5% 1aug2052, USD (ABS)
0.51%
US01F0606834
0.50%
US21H0506806
0.49%
FN FA0608, 5.5% 1feb2055, USD (ABS)
0.49%
FN MA4465, 2% 1nov2051, USD (ABS)
0.47%
FN FS2040, 2% 1feb2052, USD (ABS)
0.44%
US3132DWKV45
0.43%
Frequently asked questions about GENM and SPMB
How have the GENM and SPMB ETFs performed in 2026?
As of August 31, 2026, GENM is up 0.98% year-to-date (YTD), while SPMB has lost -0.27%. That puts GENM better performer ahead so far this year.
Which ETF is attracting more investor money: GENM or SPMB?
Year-to-date, the GENM ETF saw +$14M in flows, compared to +$644M for SPMB.
Which ETF is more volatile: GENM or SPMB?
Over the past year, GENM had a volatility of 1.69%, while SPMB experienced 4.27%.
Which ETF is bigger: GENM or SPMB?
As of August 31, 2026, GENM holds $31.37 M in assets under management (AUM), while SPMB manages $7.09 B.
What sectors do the GENM and SPMB ETFs invest in?
GENM leans toward sectors like Municipal. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the GENM ETF and SPMB ETF?
GENM top holdings include Black Belt Energy Gas District, 4% 1oct2052, USD (2021), Southeast Energy Authority, 5% 1jan2054, USD (2023B) and Texas Municipal Gas Acquisition and Supply Corp., 5.5% 1jan2054, USD (2023A). SPMB holds in its top three: US3142J6C840, US01F0526800 and FN MA4547, 2% 1feb2052, USD (ABS).
Which ETF is more diversified: GENM or SPMB?
GENM holds 88 securities with 36.11% of its assets in the top 15. SPMB has 2713 securities and a top 15 weight of 9.28%.
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