GMOCvsMBBETF Comparison
GMO Ultra-Short Income ETF (GMOC) belongs to the US Aggregate Bonds segment. iShares MBS ETF (MBB) is part of the MBS & ABS segment. GMOC's top 3 sector exposures are Sovereign, Industrials and Government Agencies. In contrast, MBB's top sector exposures are Industrials, Non-Corporate and Finance. GMOC is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.04% for MBB. GMOC is up 3.26% year-to-date (YTD) with +$27M in YTD flows. MBB performs worse with -1.78% YTD performance, and -$1.79B in YTD flows. Run a side-by-side ETF comparison of GMOC and MBB below, and assess how they stack up in performance, liquidity, risk, exposure, holdings, and more, helping you select the best ETF for your investments.
GMOC vs MBB performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GMOC MBB | +0.40%-0.25% | +1.03%-2.30% | +3.26%-1.78% | n/a-1.43% | n/a+17.04% | n/a-0.38% |
| Flows | GMOC MBB | +$2M-$3.31B | +$2M-$2.66B | +$27M-$1.79B | --$5.06B | -+$8.97B | -+$13.89B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GMOC MBB | +0.21%+5.70% | n/a+4.61% | n/a+5.73% | n/a+6.66% |
| Max drawdown | GMOC MBB | -0.01%-4.27% | n/a-5.38% | n/a-5.38% | n/a-16.94% |
| Max drawdown duration | GMOC MBB | 4d52d | n/a229d | n/a229d | n/a1405d |
GMOC | MBB | |
Last sale 10/16/2026 at 1:30 PM | $50.14 | $90.52 |
| Previous close 10/15/2026 | $50.13 | $90.59 |
| Consolidated volume 10/15/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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GMOC | MBB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
GMOC | MBB | |
|---|---|---|
| Last price | $50.14 | $90.52 |
| 1D performance | +0.02% | -0.08% |
| AuM | $34.47 M | $35.27 B |
| E/R | 0.2% | 0.04% |
Countries
Sectors
Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
