GENMvsSPMBETF Comparison
VS
ETF 2
SPMB
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
This fund is part of
MBS & ABS
-0.04%
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 down -0.27% year-to-date (YTD) with +$15M in YTD flows. SPMB performs worse with -1.82% YTD performance, and +$555M 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 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GENM SPMB | -0.03%-0.29% | -1.73%-2.37% | -0.27%-1.82% | +0.18%-1.50% | n/a+16.97% | n/a-0.53% |
| Flows | GENM SPMB | +$1M-$100M | +$3M+$98M | +$15M+$555M | +$21M+$791M | -+$2.45B | -+$3.57B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GENM SPMB | +3.61%+5.74% | +2.34%+4.63% | n/a+5.81% | n/a+6.78% |
| Max drawdown | GENM SPMB | -3.80%-4.41% | -4.08%-5.57% | n/a-5.57% | n/a-17.04% |
| Max drawdown duration | GENM SPMB | 92d52d | 100d229d | n/a229d | n/a1436d |
Trading data
GENM | SPMB | |
Last sale 10/16/2026 at 1:30 PM | $9.97 | $21.38 |
| Previous close 10/15/2026 | $9.98 | $21.39 |
| 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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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 10/16/2026 at 1:30 PM
Live
Closed
GENM | SPMB | |
|---|---|---|
| Last price | $9.97 | $21.38 |
| 1D performance | -0.05% | -0.05% |
| AuM | $32.10 M | $6.87 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 | 24 | 566 |
| 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
35.6%
Other
64.4%
SPMB
USA
32.14%
Other
67.86%
Sectors
GENM
Municipal
26.72%
Non-Corporate
8.88%
Other
64.4%
SPMB
Industrials
31.8%
Other
68.2%
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Diversification
GENM
Total weight of top 15 holdings out of 15
42.31%
SPMB
Total weight of top 15 holdings out of 15
9.79%
Top 15 holdings
Data as of August 31, 2026
GENM
Fidelity Investments Money Market Funds - Government Portfolio
8.88%
Southeast Energy Authority, 5% 1jan2054, USD (2023B)
3.33%
US717883J787
3.24%
Texas Municipal Gas Acquisition and Supply Corp., 5.5% 1jan2054, USD (2023A)
3.00%
Texas Transportation Commission, 2.8% 1oct2041, USD (2014-B)
2.68%
California Community Choice Financing Authority, 5% 1feb2031, USD (2026D)
2.50%
US92162PAM77
2.47%
US54627CCF86
2.40%
US681725PC59
2.36%
US639285TU95
2.26%
US944514X941
1.98%
US13048RAF47
1.91%
US74440DFN93
1.82%
US904189CK18
1.74%
US810694R761
1.72%
SPMB
US01F0526982
1.22%
US3142J6C840
1.13%
US01F0506927
0.95%
FN MA4547, 2% 1feb2052, USD (ABS)
0.76%
US3142J6BK85
0.73%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.59%
US01F0606917
0.58%
US21H0526945
0.53%
US3132DWMY65
0.53%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.52%
FN MA4701, 4.5% 1aug2052, USD (ABS)
0.49%
FN FA0608, 5.5% 1feb2055, USD (ABS)
0.47%
FN MA4465, 2% 1nov2051, USD (ABS)
0.45%
FR SD8193, 2% 1feb2052, USD (ABS)
0.43%
FN FS2040, 2% 1feb2052, USD (ABS)
0.43%
Frequently asked questions about GENM and SPMB
How have the GENM and SPMB ETFs performed in 2026?
As of October 15, 2026, GENM is down -0.27% year-to-date (YTD), while SPMB has lost -1.82%. 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 +$15M in flows, compared to +$555M for SPMB.
Which ETF is more volatile: GENM or SPMB?
Over the past year, GENM had a volatility of 2.34%, while SPMB experienced 4.63%.
Which ETF is bigger: GENM or SPMB?
As of October 15, 2026, GENM holds $32.10 M in assets under management (AUM), while SPMB manages $6.87 B.
What sectors do the GENM and SPMB ETFs invest in?
GENM leans toward sectors like Municipal and Non-Corporate. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the GENM ETF and SPMB ETF?
GENM top holdings include Fidelity Investments Money Market Funds - Government Portfolio, Southeast Energy Authority, 5% 1jan2054, USD (2023B) and US717883J787. SPMB holds in its top three: US01F0526982, US3142J6C840 and US01F0506927.
Which ETF is more diversified: GENM or SPMB?
GENM holds 85 securities with 42.31% of its assets in the top 15. SPMB has 2738 securities and a top 15 weight of 9.79%.
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