SRLNvsAGGETF Comparison
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State Street SPDR Blackstone Senior Loan ETF (SRLN) and iShares Core U.S. Aggregate Bond ETF (AGG) belong to the same industry segment: US Aggregate Bonds. In contrast, AGG's top sector exposures are Sovereign, Finance and Industrials. SRLN is more expensive with a Total Expense Ratio (TER) of 0.7%, versus 0.03% for AGG. SRLN is up 2.13% year-to-date (YTD) with -$1.08B in YTD flows. AGG performs worse with -1.03% YTD performance, and +$9.38B in YTD flows. Run a side-by-side ETF comparison of SRLN and AGG 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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SRLN vs AGG performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/23/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SRLN AGG | -1.10%+0.89% | +0.82%-0.44% | +2.13%-1.03% | +3.87%-1.14% | +20.93%+16.54% | +23.35%-0.89% |
| Flows | SRLN AGG | -$239M+$1.85B | +$48M+$3.75B | -$1.08B+$9.38B | -$928M+$10.68B | +$1.42B+$47.58B | -$1.27B+$66.66B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SRLN AGG | +1.27%+4.68% | +1.94%+3.97% | +1.94%+4.93% | +2.38%+5.95% |
| Max drawdown | SRLN AGG | -1.28%-3.28% | -2.99%-4.64% | -3.19%-4.86% | -7.29%-17.35% |
| Max drawdown duration | SRLN AGG | 31d59d | 105d236d | 71d284d | 554d1555d |
Trading data
SRLN | AGG | |
Last sale 10/26/2026 at 1:30 PM | $39.82 | $96.03 |
| Previous close 10/23/2026 | $39.80 | $95.96 |
| Consolidated volume 10/23/2026 | ||
| 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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SRLN
is actively managed and doesn’t replicate an indexSRLN | AGG | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/26/2026 at 1:30 PM
Live
Closed
SRLN | AGG | |
|---|---|---|
| Last price | $39.82 | $96.03 |
| 1D performance | +0.05% | +0.07% |
| AuM | $5.29 B | $139.16 B |
| E/R | 0.7% | 0.03% |
Characteristics
SRLN | AGG | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | iShares |
| Benchmark | - | Bloomberg US Aggregate Bond Index |
| N° of holdings | - | 10222 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 3, 2013 | September 22, 2003 |
| ESG | No | No |
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Exposure
Countries
SRLN
Data will be available soon
AGG
USA
76.71%
Other
23.29%
Sectors
SRLN
Data will be available soon
AGG
Sovereign
47.19%
Finance
9.95%
Industrials
7.05%
Other
35.81%
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Diversification
SRLN
Data will be available soon
AGG
Total weight of top 15 holdings out of 15
8.43%
Top 15 holdings
Data as of January 1, 1970
SRLN
Data will be available soon
AGG
BlackRock Cash Funds - Institutional
3.01%
USA, Notes 4.625% 15feb2035, USD (B-2035)
0.41%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.40%
USA, Notes 4.375% 15may2034, USD (C-2034)
0.40%
USA, Notes 4% 28feb2030, USD (H-2030)
0.40%
USA, Notes 3.875% 15aug2034, USD (E-2034)
0.39%
USA, Notes 4.125% 15feb2036, USD (B-2036)
0.39%
USA, Notes 4.25% 15may2035, USD (C-2035)
0.39%
USA, Notes 4.5% 15nov2033, USD (F-2033)
0.39%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.38%
USA, Notes 3.875% 15jul2028, USD (AQ-2028)
0.38%
USA, Notes 4% 15nov2035, USD (F-2035)
0.38%
USA, Notes 4% 15feb2034, USD (B-2034)
0.37%
USA, Notes 4.375% 15may2036, USD (C-2036)
0.37%
USA, Notes 3.5% 15oct2028, USD (AT-2028)
0.37%
Frequently asked questions about SRLN and AGG
How have the SRLN and AGG ETFs performed in 2026?
As of October 23, 2026, SRLN is up 2.13% year-to-date (YTD), while AGG has lost -1.03%. That puts SRLN better performer ahead so far this year.
Which ETF is attracting more investor money: SRLN or AGG?
Year-to-date, the SRLN ETF saw -$1.08B in flows, compared to +$9.38B for AGG.
Which ETF is more volatile: SRLN or AGG?
Over the past year, SRLN had a volatility of 1.94%, while AGG experienced 3.97%.
Which ETF is bigger: SRLN or AGG?
As of October 23, 2026, SRLN holds $5.29 B in assets under management (AUM), while AGG manages $139.16 B.
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