SRLNvsSPABETF Comparison
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State Street SPDR Blackstone Senior Loan ETF (SRLN) and State Street SPDR Portfolio Aggregate Bond ETF (SPAB) belong to the same industry segment: US Aggregate Bonds. In contrast, SPAB'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 SPAB. SRLN is up 2.14% year-to-date (YTD) with -$1.16B in YTD flows. SPAB performs worse with -0.92% YTD performance, and +$1.54B in YTD flows. Run a side-by-side ETF comparison of SRLN and SPAB 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 SPAB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 10/26/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | SRLN SPAB | -0.86%+1.82% | +0.73%-0.65% | +2.14%-0.92% | +3.58%-1.20% | +21.11%+16.40% | +23.38%-1.05% |
| Flows | SRLN SPAB | -$311M+$466M | -$32M+$841M | -$1.16B+$1.54B | -$1.00B+$2.01B | +$1.35B+$3.40B | -$1.35B+$5.18B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | SRLN SPAB | +1.28%+4.70% | +1.93%+3.97% | +1.94%+4.93% | +2.38%+5.99% |
| Max drawdown | SRLN SPAB | -1.28%-3.30% | -2.99%-4.68% | -3.19%-4.87% | -7.29%-17.44% |
| Max drawdown duration | SRLN SPAB | 34d62d | 105d239d | 71d284d | 554d1556d |
Trading data
SRLN | SPAB | |
Last sale 10/27/2026 at 1:30 PM | $40.02 | $24.76 |
| Previous close 10/26/2026 | $39.82 | $24.73 |
| Consolidated volume 10/26/2026 | ||
| 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 | SPAB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 10/27/2026 at 1:30 PM
Live
Closed
SRLN | SPAB | |
|---|---|---|
| Last price | $40.02 | $24.76 |
| 1D performance | +0.50% | +0.12% |
| AuM | $5.21 B | $10.46 B |
| E/R | 0.7% | 0.03% |
Characteristics
SRLN | SPAB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | State Street Investment Management | State Street Investment Management |
| Benchmark | - | Bloomberg US Aggregate Bond Index |
| N° of holdings | - | 6931 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | April 3, 2013 | May 23, 2007 |
| ESG | No | No |
Exposure
Countries
SRLN
Data will be available soon
SPAB
USA
74.49%
Other
25.51%
Sectors
SRLN
Data will be available soon
SPAB
Sovereign
45.89%
Finance
10.21%
Industrials
9.47%
Other
34.43%
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Diversification
SRLN
Data will be available soon
SPAB
Total weight of top 15 holdings out of 15
6.59%
Top 15 holdings
Data as of January 1, 1970
SRLN
Data will be available soon
SPAB
USA, Notes 3.5% 15dec2028, USD (AV-2028)
0.74%
US91282CRJ26
0.58%
USA, Notes 3.625% 31dec2030, USD (AH-2030)
0.55%
US01F0526982
0.50%
USA, Notes 3.375% 30nov2027, USD (BL-2027)
0.45%
USA, Notes 4.375% 30nov2028, USD (AG-2028)
0.41%
USA, Notes 3.5% 31jan2028, USD (U-2028)
0.41%
USA, Notes 3.875% 31mar2031, USD (W-2031)
0.40%
US01F0506927
0.38%
USA, Notes 3.375% 31dec2027, USD (BM-2027)
0.37%
USA, Notes 4.25% 15nov2034, USD (F-2034)
0.37%
USA, Notes 4.25% 15aug2035, USD (E-2035)
0.37%
USA, Notes 3.625% 30sep2031, USD (Q-2031)
0.36%
USA, Notes 4% 15feb2034, USD (B-2034)
0.35%
USA, Notes 4% 30jun2032, USD (M-2032)
0.35%
Frequently asked questions about SRLN and SPAB
How have the SRLN and SPAB ETFs performed in 2026?
As of October 26, 2026, SRLN is up 2.14% year-to-date (YTD), while SPAB has lost -0.92%. That puts SRLN better performer ahead so far this year.
Which ETF is attracting more investor money: SRLN or SPAB?
Year-to-date, the SRLN ETF saw -$1.16B in flows, compared to +$1.54B for SPAB.
Which ETF is more volatile: SRLN or SPAB?
Over the past year, SRLN had a volatility of 1.93%, while SPAB experienced 3.97%.
Which ETF is bigger: SRLN or SPAB?
As of October 26, 2026, SRLN holds $5.21 B in assets under management (AUM), while SPAB manages $10.46 B.
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