GMOCvsSPMBETF Comparison
State Street State Street SPDR Portfolio Mortgage Backed Bond ETF
GMO Ultra-Short Income ETF (GMOC) belongs to the US Aggregate Bonds segment. State Street State Street SPDR Portfolio Mortgage Backed Bond ETF (SPMB) is part of the MBS & ABS segment. GMOC's top 3 sector exposures are Sovereign, Industrials and Government Agencies. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. GMOC is more expensive with a Total Expense Ratio (TER) of 0.2%, versus 0.04% for SPMB. GMOC is up 3.26% year-to-date (YTD) with +$27M in YTD flows. SPMB performs worse with -1.82% YTD performance, and +$555M in YTD flows. Run a side-by-side ETF comparison of GMOC and SPMB 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 SPMB performance and flow charts
Performance
Cumulative Flows
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GMOC SPMB | +0.40%-0.29% | +1.03%-2.37% | +3.26%-1.82% | n/a-1.50% | n/a+16.97% | n/a-0.53% |
| Flows | GMOC SPMB | +$2M-$100M | +$2M+$98M | +$27M+$555M | -+$791M | -+$2.45B | -+$3.57B |
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GMOC SPMB | +0.21%+5.74% | n/a+4.63% | n/a+5.81% | n/a+6.78% |
| Max drawdown | GMOC SPMB | -0.01%-4.41% | n/a-5.57% | n/a-5.57% | n/a-17.04% |
| Max drawdown duration | GMOC SPMB | 4d52d | n/a229d | n/a229d | n/a1436d |
GMOC | SPMB | |
Last sale 10/19/2026 at 1:46 PM | $50.14 | $21.29 |
| Previous close 10/16/2026 | $50.14 | $21.38 |
| Consolidated volume 10/16/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
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GMOC | SPMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
GMOC | SPMB | |
|---|---|---|
| Last price | $50.14 | $21.29 |
| 1D performance | +0.00% | -0.42% |
| AuM | $34.47 M | $6.87 B |
| E/R | 0.2% | 0.04% |
GMOC | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | GMO | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 19 | 566 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | October 27, 2025 | January 15, 2009 |
| ESG | No | No |
Countries
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Diversification
Total weight of top 15 holdings out of 15
Total weight of top 15 holdings out of 15
