CORBvsLDSFETF Comparison
VS
AB Core Bond ETF (CORB) belongs to the US Aggregate Bonds segment. First Trust Low Duration Strategic Focus ETF (LDSF) is part of the Intl Aggregate Bonds segment. CORB's top 3 sector exposures are Sovereign, Finance and Industrials. In contrast, LDSF's top sector exposures are Finance, Business Services and Sovereign. CORB is less expensive with a Total Expense Ratio (TER) of 0.28%, versus 0.77% for LDSF. CORB is down -0.63% year-to-date (YTD) with +$297M in YTD flows. LDSF performs better with 2.5% YTD performance, and +$22M in YTD flows. Run a side-by-side ETF comparison of CORB and LDSF below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
Find out how industry players manage ETF portfolios. Discover our library of Model portfolios
CORB vs LDSF performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | CORB LDSF | +0.29%+0.02% | -0.70%+0.48% | -0.63%+2.50% | n/a+4.18% | n/a+16.96% | n/a+13.47% |
| Flows | CORB LDSF | +$39M+$3M | +$113M+$4M | +$297M+$22M | -+$38M | -+$24M | -+$780K |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | CORB LDSF | +3.99%+2.19% | n/a+2.24% | n/a+2.56% | n/a+2.66% |
| Max drawdown | CORB LDSF | -1.79%-0.56% | n/a-1.54% | n/a-1.65% | n/a-7.66% |
| Max drawdown duration | CORB LDSF | 63d12d | n/a46d | n/a74d | n/a827d |
Trading data
CORB | LDSF | |
Last sale 8/31/2026 at 1:30 PM | $29.04 | $18.82 |
| Previous close 08/31/2026 | $29.06 | $18.84 |
| Consolidated volume 08/31/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Advertisement
Main metrics
Last update 8/31/2026 at 1:30 PM
Live
Closed
CORB | LDSF | |
|---|---|---|
| Last price | $29.04 | $18.82 |
| 1D performance | -0.07% | -0.13% |
| AuM | $1.15 B | $164.64 M |
| E/R | 0.28% | 0.77% |
Characteristics
CORB | LDSF | |
|---|---|---|
| Management strategy | Active | Active |
| Provider | AllianceBernstein | First Trust |
| Benchmark | - | - |
| N° of holdings | 506 | 3644 |
| Asset class | - | - |
| Trailing 12m distribution yield | Join | Join |
| Inception date | November 7, 2025 | January 3, 2019 |
| ESG | No | No |
Advertisement
Exposure
Countries
CORB
USA
55.52%
Other
44.48%
LDSF
USA
31.86%
Other
68.14%
Sectors
CORB
Sovereign
35.5%
Finance
8.73%
Other
55.77%
LDSF
Finance
12.85%
Other
87.15%
Advertisement
Diversification
CORB
Total weight of top 15 holdings out of 15
24.06%
LDSF
Total weight of top 15 holdings out of 15
53.35%
Top 15 holdings
Data as of July 31, 2026
CORB
USA, Notes 4.125% 31oct2031, USD (R-2031)
2.39%
USA, Notes 3.125% 15nov2028, USD (F-2028)
2.14%
USA, Bonds 4.625% 15nov2055, USD
1.89%
US01F0206874
1.86%
USA, Notes 3.875% 31mar2031, USD (W-2031)
1.83%
USA, Notes 3.625% 30sep2030, USD (AD-2030)
1.72%
USA, Notes 3.75% 31aug2031, USD (P-2031)
1.68%
USA, Notes 3.625% 30sep2031, USD (Q-2031)
1.65%
US21H0226892
1.50%
USA, Notes 4.5% 15nov2033, USD (F-2033)
1.29%
USA, Notes 4.625% 30sep2028, USD (AD-2028)
1.26%
US21H0506806
1.23%
USA, Notes 4.25% 28feb2029, USD (V-2029)
1.23%
USA, TIPS 1.375% 15jul2033, USD (D-2033)
1.20%
US01F0526800
1.18%
LDSF
US33739Q2003
32.84%
US33738D3098
6.52%
US33738D7701
4.97%
US33739P2020
3.05%
US33739Q4082
3.00%
MSCI Inc, 4% 15nov2029, USD
0.45%
CrowdStrike Holdings, 3% 15feb2029, USD
0.42%
United Rentals (North America), 6% 15dec2029, USD
0.36%
1011778 B.C., 5.625% 15sep2029, USD
0.29%
Fair Isaac, 6% 15may2033, USD
0.26%
Smurfit Kappa Group, 5.2% 15jan2030, USD
0.26%
Constellation Software, 5.158% 16feb2029, USD
0.26%
Berry Global, 5.5% 15apr2028, USD
0.23%
Rocket Companies, 6.375% 1aug2033, USD
0.22%
ABC Supply, 4% 15jan2028, USD
0.22%
Frequently asked questions about CORB and LDSF
How have the CORB and LDSF ETFs performed in 2026?
As of August 31, 2026, CORB is down -0.63% year-to-date (YTD), while LDSF has returned 2.5%. That puts LDSF better performer ahead so far this year.
Which ETF is attracting more investor money: CORB or LDSF?
Year-to-date, the CORB ETF saw +$297M in flows, compared to +$22M for LDSF.
Which ETF is bigger: CORB or LDSF?
As of August 31, 2026, CORB holds $1.15 B in assets under management (AUM), while LDSF manages $164.64 M.
What sectors do the CORB and LDSF ETFs invest in?
CORB leans toward sectors like Sovereign and Finance. Meanwhile, LDSF focuses on Finance.
What are the top holdings of the CORB ETF and LDSF ETF?
CORB top holdings include USA, Notes 4.125% 31oct2031, USD (R-2031), USA, Notes 3.125% 15nov2028, USD (F-2028) and USA, Bonds 4.625% 15nov2055, USD. LDSF holds in its top three: US33739Q2003, US33738D3098 and US33738D7701.
Which ETF is more diversified: CORB or LDSF?
CORB holds 721 securities with 24.06% of its assets in the top 15. LDSF has 3659 securities and a top 15 weight of 53.35%.
Advertisement
Advertisement
