VSDMvsGNMAETF Comparison
VS
Vanguard Short Duration Tax-Exempt Bond ETF (VSDM) belongs to the Municipal Bonds segment. iShares GNMA Bond ETF (GNMA) is part of the MBS & ABS segment. VSDM's top 1 sector exposures are Municipal. In contrast, GNMA's top sector exposures are Industrials and Non-Corporate. VSDM is more expensive with a Total Expense Ratio (TER) of 0.12%, versus 0.11% for GNMA. VSDM is up 0.45% year-to-date (YTD) with +$1.03B in YTD flows. GNMA performs worse with -1.93% YTD performance, and +$36M in YTD flows. Run a side-by-side ETF comparison of VSDM and GNMA 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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VSDM vs GNMA performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/19/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | VSDM GNMA | +0.01%-1.10% | -0.86%-2.60% | +0.45%-1.93% | +0.97%-1.77% | n/a+17.90% | n/a+0.13% |
| Flows | VSDM GNMA | +$338M-$15M | +$578M+$7M | +$1.03B+$36M | +$1.12B+$69M | -+$124M | --$12M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | VSDM GNMA | +2.70%+5.81% | +1.65%+4.51% | n/a+5.56% | n/a+6.56% |
| Max drawdown | VSDM GNMA | -2.74%-4.45% | -2.75%-5.36% | n/a-5.36% | n/a-15.48% |
| Max drawdown duration | VSDM GNMA | 67d55d | 105d232d | n/a232d | n/a1397d |
Trading data
VSDM | GNMA | |
Last sale 10/20/2026 at 1:30 PM | $75.05 | $42.20 |
| Previous close 10/19/2026 | $75.07 | $42.10 |
| Consolidated volume 10/19/2026 | ||
| 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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VSDM
is actively managed and doesn’t replicate an indexVSDM | GNMA | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/20/2026 at 1:30 PM
Live
Closed
VSDM | GNMA | |
|---|---|---|
| Last price | $75.05 | $42.20 |
| 1D performance | -0.03% | +0.24% |
| AuM | $1.36 B | $415.03 M |
| E/R | 0.12% | 0.11% |
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Exposure
Countries
VSDM
USA
42.8%
Other
57.2%
GNMA
USA
48.8%
Other
51.2%
Sectors
VSDM
Municipal
42.8%
Other
57.2%
GNMA
Industrials
39.92%
Non-Corporate
8.88%
Other
51.2%
Diversification
VSDM
Total weight of top 15 holdings out of 15
5.2%
GNMA
Total weight of top 15 holdings out of 15
33.91%
Top 15 holdings
Data as of August 31, 2026
VSDM
US13013JCS33
0.49%
California Community Choice Financing Authority, 5% 1jul2053, USD (2023B)
0.44%
US84136HAH66
0.44%
New Jersey Transportation Trust Fund Authority, 5% 15dec2034, USD
0.36%
Rutherford Health and Educational Facilities Board, 5% 15nov2048, USD (2025B-1)
0.33%
Florida Municipal Power Agency, 4% 1oct2030, USD (2018A)
0.33%
US13013JAP12
0.33%
US09182TEC71
0.33%
US54811GS350
0.33%
Energy Southeast, 5% 1nov2033, USD (2026)
0.31%
US09182TLC98
0.31%
Texas Municipal Gas Acquisition and Supply Corp., 5.5% 1jan2054, USD (2023A)
0.31%
US842469DL92
0.30%
US56035DEN84
0.30%
Southern California Public Power Authority, 5% 1nov2033, USD (2026A)
0.29%
GNMA
BlackRock Cash Funds - Treasury
8.88%
G2 MA7192, 2% 20feb2051, USD (ABS)
2.59%
US3618N5XQ77
2.51%
G2 MA9360, 4.5% 20dec2053, USD (ABS)
2.42%
US21H0526945
1.97%
US36179WTX64
1.90%
G2 MA8878, 5% 20may2053, USD (ABS)
1.67%
G2 MB0025, 5% 20nov2054, USD (ABS)
1.64%
US36179WJR07
1.62%
G2 MA7880, 2% 20feb2052, USD (ABS)
1.59%
G2 MA8801, 5.5% 20apr2053, USD (ABS)
1.59%
G2 MA6864, 2% 20sep2050, USD (ABS)
1.44%
US36179WLP13
1.40%
US36179WFG87
1.38%
US3617NWEY42
1.32%
Frequently asked questions about VSDM and GNMA
How have the VSDM and GNMA ETFs performed in 2026?
As of October 19, 2026, VSDM is up 0.45% year-to-date (YTD), while GNMA has lost -1.93%. That puts VSDM better performer ahead so far this year.
Which ETF is attracting more investor money: VSDM or GNMA?
Year-to-date, the VSDM ETF saw +$1.03B in flows, compared to +$36M for GNMA.
Which ETF is more volatile: VSDM or GNMA?
Over the past year, VSDM had a volatility of 1.65%, while GNMA experienced 4.51%.
Which ETF is bigger: VSDM or GNMA?
As of October 19, 2026, VSDM holds $1.36 B in assets under management (AUM), while GNMA manages $415.03 M.
What sectors do the VSDM and GNMA ETFs invest in?
VSDM leans toward sectors like Municipal. Meanwhile, GNMA focuses on Industrials and Non-Corporate.
What are the top holdings of the VSDM ETF and GNMA ETF?
VSDM top holdings include US13013JCS33, California Community Choice Financing Authority, 5% 1jul2053, USD (2023B) and US84136HAH66. GNMA holds in its top three: BlackRock Cash Funds - Treasury, G2 MA7192, 2% 20feb2051, USD (ABS) and US3618N5XQ77.
Which ETF is more diversified: VSDM or GNMA?
VSDM holds 3102 securities with 5.2% of its assets in the top 15. GNMA has 355 securities and a top 15 weight of 33.91%.
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