AGGMvsBILSETF Comparison
VS
ETF 2
BILS
State Street SPDR Bloomberg 3-12 Month T-Bill ETF
This fund is part of
Money Market Bonds
+0.02%
iShares 1-10 Year U.S. Aggregate Bond ETF (AGGM) belongs to the US Aggregate Bonds segment. State Street SPDR Bloomberg 3-12 Month T-Bill ETF (BILS) is part of the Money Market Bonds segment. AGGM's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, BILS's top sector exposures are Sovereign. AGGM is less expensive with a Total Expense Ratio (TER) of 0.03%, versus 0.1354% for BILS. AGGM is down -1.68% year-to-date (YTD) with +$10M in YTD flows. BILS performs better with 2.71% YTD performance, and +$44M in YTD flows. Run a side-by-side ETF comparison of AGGM and BILS 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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AGGM vs BILS performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/15/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | AGGM BILS | -0.06%+0.30% | -1.66%+0.86% | -1.68%+2.71% | -1.70%+3.59% | +13.46%+13.98% | -3.38%+19.16% |
| Flows | AGGM BILS | +$25M+$40M | -$592K+$60M | +$10M+$44M | -$903K+$40M | -$237M+$1.11B | -$255M+$3.89B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | AGGM BILS | +3.84%+0.19% | +3.66%+0.18% | +4.76%+0.22% | +5.83%+0.27% |
| Max drawdown | AGGM BILS | -2.74%-0.00% | -4.29%-0.00% | -4.82%-0.00% | -17.94%-0.36% |
| Max drawdown duration | AGGM BILS | 51d2d | 228d2d | 318d2d | 1775d342d |
Trading data
AGGM | BILS | |
Last sale 10/16/2026 at 1:30 PM | $99.24 | |
| Previous close 10/15/2026 | $99.19 | |
| 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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AGGM | BILS | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
Main metrics
Last update 10/16/2026 at 1:30 PM
Live
Closed
AGGM | BILS | |
|---|---|---|
| Last price | – | $99.24 |
| 1D performance | – | +0.05% |
| AuM | $130.23 M | $3.90 B |
| E/R | 0.03% | 0.1354% |
Characteristics
AGGM | BILS | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | State Street Investment Management |
| Benchmark | Bloomberg U.S. Aggregate Government/Credit Index | Bloomberg 3–12 Month U.S. Treasury Bill Index |
| N° of holdings | 1895 | 18 |
| Asset class | Bonds | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | January 5, 2007 | September 23, 2020 |
| ESG | No | No |
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Exposure
Countries
AGGM
USA
70%
Other
30%
BILS
USA
74.24%
Other
25.76%
Sectors
AGGM
Sovereign
45.32%
Finance
10.81%
Industrials
8.2%
Other
35.67%
BILS
Sovereign
74.24%
Other
25.76%
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Diversification
AGGM
Total weight of top 15 holdings out of 15
20.48%
BILS
Total weight of top 15 holdings out of 15
75.05%
Top 15 holdings
Data as of August 31, 2026
AGGM
US3132DWDC47
1.88%
US3140W55E07
1.86%
US3132E0A448
1.74%
FN MA4305, 2% 1mar2051, USD (ABS)
1.61%
US3132D6BJ82
1.46%
US3140W4ZG58
1.35%
US3132DVAF22
1.30%
US3137HNN466
1.29%
BlackRock Cash Funds - Treasury
1.19%
G2 MB0025, 5% 20nov2054, USD (ABS)
1.18%
US3142GYJU00
1.18%
US3142GW2D07
1.18%
US3140XMXE15
1.12%
US3140W3PZ66
1.09%
US31427SBN71
1.06%
BILS
USA, Bills 0% 21jan2027, USD (364D)
7.28%
USA, Bills 0% 18feb2027, USD (364D)
7.10%
USA, Bills 0% 24dec2026, USD (363D)
7.01%
USA, Bills 0% 7jan2027, USD (182D)
4.60%
USA, Bills 0% 14jan2027, USD (182D)
4.60%
USA, Bills 0% 28jan2027, USD (182D)
4.59%
US912797WB95
4.58%
US912797WC78
4.57%
USA, Bills 0% 3dec2026, USD (182D)
4.49%
USA, Bills 0% 10dec2026, USD (182D)
4.48%
USA, Bills 0% 17dec2026, USD (182D)
4.48%
USA, Bills 0% 4feb2027, USD (182D)
4.43%
USA, Bills 0% 31dec2026, USD (182D)
4.43%
US912797WG82
4.20%
US912797WH65
4.20%
Frequently asked questions about AGGM and BILS
How have the AGGM and BILS ETFs performed in 2026?
As of October 15, 2026, AGGM is down -1.68% year-to-date (YTD), while BILS has returned 2.71%. That puts BILS better performer ahead so far this year.
Which ETF is attracting more investor money: AGGM or BILS?
Year-to-date, the AGGM ETF saw +$10M in flows, compared to +$44M for BILS.
Which ETF is more volatile: AGGM or BILS?
Over the past year, AGGM had a volatility of 3.66%, while BILS experienced 0.18%.
Which ETF is bigger: AGGM or BILS?
As of October 15, 2026, AGGM holds $130.23 M in assets under management (AUM), while BILS manages $3.90 B.
What sectors do the AGGM and BILS ETFs invest in?
AGGM leans toward sectors like Sovereign, Finance and Industrials. Meanwhile, BILS focuses on Sovereign.
What are the top holdings of the AGGM ETF and BILS ETF?
AGGM top holdings include US3132DWDC47, US3140W55E07 and US3132E0A448. BILS holds in its top three: USA, Bills 0% 21jan2027, USD (364D), USA, Bills 0% 18feb2027, USD (364D) and USA, Bills 0% 24dec2026, USD (363D).
Which ETF is more diversified: AGGM or BILS?
AGGM holds 1919 securities with 20.48% of its assets in the top 15. BILS has 23 securities and a top 15 weight of 75.05%.
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Latest news about AGGM & BILS
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