GBILvsBAMUETF Comparison
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Goldman Sachs Access Treasury 0-1 Year ETF (GBIL) belongs to the Money Market Bonds segment. Brookstone Ultra-Short Bond ETF (BAMU) is part of the US Aggregate Bonds segment. GBIL's top 1 sector exposures are Sovereign. In contrast, BAMU's top sector exposures are Sovereign and Non-Corporate. GBIL is less expensive with a Total Expense Ratio (TER) of 0.14%, versus 1.02% for BAMU. GBIL is up 2.4% year-to-date (YTD) with +$1.10B in YTD flows. BAMU performs worse with 1.78% YTD performance, and -$5M in YTD flows. Run a side-by-side ETF comparison of GBIL and BAMU 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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GBIL vs BAMU performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 09/09/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GBIL BAMU | +0.30%+0.21% | +0.91%+0.65% | +2.40%+1.78% | +3.66%+2.75% | +14.12%n/a | +18.88%n/a |
| Flows | GBIL BAMU | +$196M- | +$110M-$3M | +$1.10B-$5M | +$1.56B-$5M | +$1.77B- | +$5.85B- |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GBIL BAMU | +0.19%+0.33% | +0.16%+0.31% | +0.21%n/a | +0.26%n/a |
| Max drawdown | GBIL BAMU | n/an/a | -0.00%n/a | -0.00%n/a | -0.30%n/a |
| Max drawdown duration | GBIL BAMU | n/an/a | 2dn/a | 2dn/a | 335dn/a |
Trading data
GBIL | BAMU | |
Last sale 9/10/2026 at 6:22 PM | $99.95 | $25.20 |
| Previous close 09/09/2026 | $99.95 | $25.20 |
| Consolidated volume 09/09/2026 | ||
| 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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BAMU
is actively managed and doesn’t replicate an indexGBIL | BAMU | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/10/2026 at 6:22 PM
Live
Closed
GBIL | BAMU | |
|---|---|---|
| Last price | $99.95 | $25.20 |
| 1D performance | +0.00% | +0.00% |
| AuM | $7.78 B | $66.50 M |
| E/R | 0.14% | 1.02% |
Characteristics
GBIL | BAMU | |
|---|---|---|
| Management strategy | Passive | Active |
| Provider | Goldman Sachs | Brookstone Asset Management |
| Benchmark | FTSE U.S. Treasury 0-1 Year Composite Select Index | - |
| N° of holdings | 37 | 100 |
| Asset class | Bonds | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | September 6, 2016 | September 27, 2023 |
| ESG | No | No |
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Exposure
Countries
GBIL
USA
90.49%
Other
9.51%
BAMU
USA
100.07%
Other
-0.07%
Sectors
GBIL
Sovereign
90.49%
Other
9.51%
BAMU
Sovereign
98.49%
Other
1.51%
Diversification
GBIL
Total weight of top 15 holdings out of 15
57.81%
BAMU
Total weight of top 15 holdings out of 15
37.47%
Top 15 holdings
Data as of July 31, 2026
GBIL
USA, Bills 0% 22sep2026, USD (119D)
7.65%
USA, Notes 4.125% 31jan2027, USD (AW-2027)
4.63%
USA, Bills 0% 6aug2026, USD (364D)
4.56%
USA, Bills 0% 4aug2026, USD (119D)
4.38%
USA, Bills 0% 18aug2026, USD (119D)
4.29%
USA, Bills 0% 24sep2026, USD (182D)
3.89%
USA, Notes 3.5% 30sep2026, USD (BH-2026)
3.82%
USA, Notes 3.875% 31mar2027, USD (AZ-2027)
3.65%
USA, Notes 3.75% 30apr2027, USD (BA-2027)
3.65%
USA, Bills 0% 25aug2026, USD (119D)
3.41%
USA, Notes 4.125% 28feb2027, USD (AY-2027)
3.31%
USA, Bills 0% 29oct2026, USD (364D)
2.82%
USA, Bills 0% 27nov2026, USD (364D)
2.75%
USA, Notes 4.5% 15may2027, USD (AN-2027)
2.61%
USA, Notes 4.25% 30nov2026, USD (BL-2026)
2.39%
BAMU
USA, Bills 0% 3sep2026, USD (364D)
3.22%
USA, Bills 0% 10sep2026, USD (182D)
3.21%
USA, Bills 0% 22sep2026, USD (119D)
3.20%
USA, Bills 0% 29oct2026, USD (364D)
3.07%
USA, Bills 0% 1oct2026, USD (364D)
2.73%
USA, Bills 0% 1sep2026, USD (119D)
2.61%
USA, Bills 0% 17sep2026, USD (182D)
2.53%
USA, Bills 0% 15sep2026, USD (119D)
2.47%
USA, Bills 0% 29sep2026, USD (119D)
2.21%
USA, Bills 0% 15oct2026, USD (182D)
2.20%
USA, Bills 0% 25aug2026, USD (119D)
2.18%
USA, Bills 0% 22oct2026, USD (182D)
2.10%
USA, Bills 0% 18aug2026, USD (119D)
2.04%
USA, Bills 0% 24sep2026, USD (182D)
2.01%
USA, Bills 0% 27nov2026, USD (364D)
1.69%
Frequently asked questions about GBIL and BAMU
How have the GBIL and BAMU ETFs performed in 2026?
As of September 9, 2026, GBIL is up 2.4% year-to-date (YTD), while BAMU has returned 1.78%. That puts GBIL better performer ahead so far this year.
Which ETF is attracting more investor money: GBIL or BAMU?
Year-to-date, the GBIL ETF saw +$1.10B in flows, compared to -$5M for BAMU.
Which ETF is more volatile: GBIL or BAMU?
Over the past year, GBIL had a volatility of 0.16%, while BAMU experienced 0.31%.
Which ETF is bigger: GBIL or BAMU?
As of September 9, 2026, GBIL holds $7.78 B in assets under management (AUM), while BAMU manages $66.50 M.
What sectors do the GBIL and BAMU ETFs invest in?
GBIL leans toward sectors like Sovereign. Meanwhile, BAMU focuses on Sovereign.
What are the top holdings of the GBIL ETF and BAMU ETF?
GBIL top holdings include USA, Bills 0% 22sep2026, USD (119D), USA, Notes 4.125% 31jan2027, USD (AW-2027) and USA, Bills 0% 6aug2026, USD (364D). BAMU holds in its top three: USA, Bills 0% 3sep2026, USD (364D), USA, Bills 0% 10sep2026, USD (182D) and USA, Bills 0% 22sep2026, USD (119D).
Which ETF is more diversified: GBIL or BAMU?
GBIL holds 37 securities with 57.81% of its assets in the top 15. BAMU has 100 securities and a top 15 weight of 37.47%.
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Latest news about GBIL & BAMU
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