GCPBvsSPMBETF Comparison
VS
ETF 2
SPMB
State Street SPDR Portfolio Mortgage Backed Bond Index ETF
This fund is part of
MBS & ABS
-0.71%
Goldman Sachs Core Plus Bond ETF (GCPB) belongs to the US Aggregate Bonds segment. State Street SPDR Portfolio Mortgage Backed Bond Index ETF (SPMB) is part of the MBS & ABS segment. GCPB's top 3 sector exposures are Sovereign, Industrials and Finance. In contrast, SPMB's top sector exposures are Industrials, Finance and Government Agencies. GCPB is more expensive with a Total Expense Ratio (TER) of 0.4%, versus 0.04% for SPMB. Run a side-by-side ETF comparison of GCPB 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.
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GCPB vs SPMB performance and flow charts
Performance
Cumulative Flows
Historic performance and flows
Data as of 11/10/2026
| 1M | 3M | YTD | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|---|---|
| Perf. | GCPB SPMB | +1.73%+2.16% | -0.63%-0.58% | n/a-0.56% | n/a+0.06% | n/a+16.81% | n/a+0.82% |
| Flows | GCPB SPMB | +$5M+$98K | +$157M+$40M | -+$574M | -+$745M | -+$2.41B | -+$3.53B |
Volatility and drawdown
| 3M | 1Y | 3Y | 5Y | ||
|---|---|---|---|---|---|
| Volatility | GCPB SPMB | +4.74%+6.00% | n/a+4.79% | n/a+5.63% | n/a+6.81% |
| Max drawdown | GCPB SPMB | -3.48%-4.41% | n/a-5.57% | n/a-5.57% | n/a-16.68% |
| Max drawdown duration | GCPB SPMB | 77d77d | n/a254d | n/a254d | n/a1375d |
Trading data
GCPB | SPMB | |
Last sale 11/11/2026 at 2:30 PM | $49.01 | $21.55 |
| Previous close 11/10/2026 | $49.23 | $21.57 |
| Consolidated volume 11/10/2026 | ||
| Average volume 30 days | ||
| Average discount or premium 30 days | ||
| Average Bid/Ask spread 30 days |
Replication quality
Data as of October 30, 2026
1-year trailing difference
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GCPB
is actively managed and doesn’t replicate an indexGCPB | SPMB | |
|---|---|---|
| Tracking error | ||
| Tracking difference | ||
| 1 year cumulative return difference | ||
| Best | ||
| Worst | ||
| Daily return difference | ||
| Average | ||
| Worst | ||
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Main metrics
Last update 11/11/2026 at 2:30 PM
Live
Closed
GCPB | SPMB | |
|---|---|---|
| Last price | $49.01 | $21.55 |
| 1D performance | -0.44% | -0.09% |
| AuM | $154.28 M | $6.95 B |
| E/R | 0.4% | 0.04% |
Characteristics
GCPB | SPMB | |
|---|---|---|
| Management strategy | Active | Passive |
| Provider | Goldman Sachs | State Street Investment Management |
| Benchmark | - | Bloomberg U.S. MBS Index |
| N° of holdings | 139 | 568 |
| Asset class | - | Bonds |
| Trailing 12m distribution yield | Join | Join |
| Inception date | August 10, 2026 | January 15, 2009 |
| ESG | No | No |
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Exposure
Countries
GCPB
USA
30.09%
Other
69.91%
SPMB
USA
32.36%
Other
67.64%
Sectors
GCPB
Sovereign
13.66%
Other
86.34%
SPMB
Industrials
32.01%
Other
67.99%
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Diversification
GCPB
Total weight of top 15 holdings out of 15
29.88%
SPMB
Total weight of top 15 holdings out of 15
9.74%
Top 15 holdings
Data as of September 30, 2026
GCPB
US01F0526A56
4.69%
USA, Bills 0% 15oct2026, USD (182D)
3.92%
USA, Notes 3.875% 15jun2028, USD (AP-2028)
2.77%
USA, Notes 1.375% 15nov2031, USD (F-2031)
2.71%
US3133QBD264
2.12%
US912797WF00
1.83%
US21H0606A46
1.81%
USA, Bills 0% 13oct2026, USD (119D)
1.59%
US925930BE89
1.28%
US3132DVMU60
1.25%
US481954AA30
1.23%
US01F0606A83
1.20%
US3132DQGL41
1.18%
US01F0424A83
1.16%
US3140W2VU23
1.12%
SPMB
US01F0526A56
1.42%
US3142J6C840
1.13%
FN MA4547, 2% 1feb2052, USD (ABS)
0.75%
US3142J6DY61
0.74%
US3142J6BK85
0.73%
FR SD8212, 2.5% 1may2052, USD (ABS)
0.58%
US01F0506A92
0.57%
US3132DWMY65
0.53%
G2 MB0424, 5.5% 20jun2055, USD (ABS)
0.52%
US3618N56H72
0.50%
FN MA4701, 4.5% 1aug2052, USD (ABS)
0.49%
FN FA0608, 5.5% 1feb2055, USD (ABS)
0.47%
FN MA4465, 2% 1nov2051, USD (ABS)
0.45%
FR SD8193, 2% 1feb2052, USD (ABS)
0.43%
FN FS2040, 2% 1feb2052, USD (ABS)
0.42%
Frequently asked questions about GCPB and SPMB
Which ETF is bigger: GCPB or SPMB?
As of November 10, 2026, GCPB holds $154.28 M in assets under management (AUM), while SPMB manages $6.95 B.
What sectors do the GCPB and SPMB ETFs invest in?
GCPB leans toward sectors like Sovereign. Meanwhile, SPMB focuses on Industrials.
What are the top holdings of the GCPB ETF and SPMB ETF?
GCPB top holdings include US01F0526A56, USA, Bills 0% 15oct2026, USD (182D) and USA, Notes 3.875% 15jun2028, USD (AP-2028). SPMB holds in its top three: US01F0526A56, US3142J6C840 and FN MA4547, 2% 1feb2052, USD (ABS).
Which ETF is more diversified: GCPB or SPMB?
GCPB holds 329 securities with 29.88% of its assets in the top 15. SPMB has 2752 securities and a top 15 weight of 9.74%.
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