BTOTvsGCORETF Comparison
VS
iShares Total USD Fixed Income Market ETF (BTOT) and Goldman Sachs Access U.S. Aggregate Bond ETF (GCOR) belong to the same industry segment: US Aggregate Bonds. Both ETFs have the same top 3 sector exposures: Sovereign, Finance and Industrials. BTOT is more expensive with a Total Expense Ratio (TER) of 0.1%, versus 0.09% for GCOR. BTOT is up 0.14% year-to-date (YTD) with +$5M in YTD flows. GCOR performs worse with -0.57% YTD performance, and +$150M in YTD flows. Run a side-by-side ETF comparison of BTOT and GCOR 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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BTOT vs GCOR performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 08/31/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | BTOT GCOR | +0.44%-0.10% | -0.43%-0.92% | +0.14%-0.57% | n/a+1.80% | n/a+12.19% | n/a-3.38% |
| Flows | BTOT GCOR | -+$36M | +$5M+$26M | +$5M+$150M | -+$215M | -+$350M | -+$686M |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | BTOT GCOR | +3.49%+3.91% | n/a+3.64% | n/a+5.01% | n/a+5.96% |
| Max drawdown | BTOT GCOR | -1.49%-1.73% | n/a-2.79% | n/a-5.11% | n/a-18.56% |
| Max drawdown duration | BTOT GCOR | 63d64d | n/a184d | n/a318d | n/a1813d |
Trading data
BTOT | GCOR | |
Last sale 9/2/2026 at 1:30 PM | $48.56 | $40.26 |
| Previous close 09/01/2026 | $48.55 | $40.26 |
| Consolidated volume 09/01/2026 | ||
| 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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BTOT | GCOR | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 9/2/2026 at 1:30 PM
Live
Closed
BTOT | GCOR | |
|---|---|---|
| Last price | $48.56 | $40.26 |
| 1D performance | +0.02% | +0.00% |
| AuM | $29.28 M | $828.74 M |
| E/R | 0.1% | 0.09% |
Characteristics
BTOT | GCOR | |
|---|---|---|
| Management strategy | Passive | Passive |
| Provider | iShares | Goldman Sachs |
| Benchmark | Bloomberg US Total Fixed Income Market Index | FTSE Goldman Sachs US Broad Bond Market Index |
| N° of holdings | 1001 | 1637 |
| Asset class | - | Fixed Income |
| Trailing 12m distribution yield | Join | Join |
| Inception date | December 10, 2025 | September 8, 2020 |
| ESG | No | No |
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Exposure
Countries
BTOT
USA
76.56%
Other
23.44%
GCOR
USA
66.03%
Other
33.97%
Sectors
BTOT
Sovereign
44.98%
Finance
11.87%
Other
43.15%
GCOR
Sovereign
43.99%
Finance
8.24%
Other
47.77%
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Diversification
BTOT
Total weight of top 15 holdings out of 15
19.36%
GCOR
Total weight of top 15 holdings out of 15
25.19%
Top 15 holdings
Data as of July 31, 2026
BTOT
BlackRock Cash Funds - Institutional
5.64%
US31418EB825
1.92%
FR SD8212, 2.5% 1may2052, USD (ABS)
1.32%
USA, Notes 3.875% 31jul2027, USD (BE-2027)
1.08%
Benchmark Mortgage Trust 2025-V18, 5.18365% 18oct2058, USD (ABS, A3)
1.03%
USA, Notes 4.875% 31oct2030, USD (R-2030)
0.93%
USA, Notes 3.625% 31aug2027, USD (BG-2027)
0.86%
US3140XPXH76
0.86%
USA, Notes 3.375% 15sep2027, USD (AS-2027)
0.86%
US01F0204895
0.85%
USA, Notes 4% 31jul2032, USD (N-2032)
0.85%
USA, Notes 4% 30apr2032, USD (K-2032)
0.84%
US01F0326821
0.84%
USA, Notes 1.875% 15feb2032, USD (B-2032)
0.75%
US31418EDD94
0.74%
GCOR
USA, Notes 3.875% 30nov2029, USD (S-2029)
4.82%
USA, Notes 0.75% 31jan2028, USD (G-2028)
3.56%
USA, Notes 4% 31oct2029, USD (R-2029)
2.48%
USA, Notes 1.25% 15aug2031, USD (E-2031)
2.31%
US01F0506844
1.45%
USA, Notes 4% 15feb2034, USD (B-2034)
1.43%
USA, Notes 3.75% 15apr2028, USD (AM-2028)
1.40%
USA, Notes 2.875% 15may2032, USD (C-2032)
1.40%
USA, Notes 2.25% 15aug2027, USD (E-2027)
1.37%
US01F0526800
1.03%
US21H0506806
0.90%
US01F0306864
0.89%
USA, Bonds 4.5% 15nov2054, USD
0.74%
USA, Bonds 2.5% 15may2046, USD
0.73%
USA, Bonds 2.5% 15feb2045, USD
0.69%
Frequently asked questions about BTOT and GCOR
How have the BTOT and GCOR ETFs performed in 2026?
As of August 31, 2026, BTOT is up 0.14% year-to-date (YTD), while GCOR has lost -0.57%. That puts BTOT better performer ahead so far this year.
Which ETF is attracting more investor money: BTOT or GCOR?
Year-to-date, the BTOT ETF saw +$5M in flows, compared to +$150M for GCOR.
Which ETF is bigger: BTOT or GCOR?
As of August 31, 2026, BTOT holds $29.28 M in assets under management (AUM), while GCOR manages $828.74 M.
What sectors do the BTOT and GCOR ETFs invest in?
BTOT leans toward sectors like Sovereign and Finance. Meanwhile, GCOR focuses on Sovereign and Finance.
What are the top holdings of the BTOT ETF and GCOR ETF?
BTOT top holdings include BlackRock Cash Funds - Institutional, US31418EB825 and FR SD8212, 2.5% 1may2052, USD (ABS). GCOR holds in its top three: USA, Notes 3.875% 30nov2029, USD (S-2029), USA, Notes 0.75% 31jan2028, USD (G-2028) and USA, Notes 4% 31oct2029, USD (R-2029).
Which ETF is more diversified: BTOT or GCOR?
BTOT holds 1055 securities with 19.36% of its assets in the top 15. GCOR has 1679 securities and a top 15 weight of 25.19%.
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