Compare fund portfolios
See how two funds' portfolios overlap. Enter two tickers:
MBSD vs MBB
Shared holdings
73
MBSD covered by MBB
1.51%
MBB covered by MBSD
1.51%
Coverage = share of one portfolio's weight reproduced by the other (overlapping positions, min weight). Top 50 positions per side shown; = held by both — hover a shared position to highlight it in both columns.
MBSD (Jan. 31, 2026)
| Security | Weight | |
|---|---|---|
| UMBS | 1.81% | |
| UMBS | 1.48% | |
| UMBS | 1.46% | |
| GNMA | 1.43% | |
| UMBS | 1.36% | |
| UMBS | 1.25% | |
| Uniform Mortgage-Backed Securities | 1.23% | |
| Uniform Mortgage-Backed Securities | 1.12% | |
| UMBS | 1.08% | |
| FN FS3956 | 1.07% | |
| FN MA5735 | 1.05% | |
| G2 MA7880 | 1.04% | |
| UMBS | 1.04% | |
| FN BM5109 | 1.03% | |
| UMBS | 1.02% | |
| UMBS | 1.02% | |
| G2 MA7766 | 1.01% | |
| UMBS | 1.01% | |
| UMBS | 0.98% | |
| FN MA4928 | 0.98% | |
| FN MA0976 | 0.98% | |
| FN FS2321 | 0.98% | |
| UMBS | 0.96% | |
| UMBS | 0.96% | |
| G2 MA8493 | 0.96% | |
| UMBS | 0.95% | |
| G2 MA6931 | 0.95% | |
| G2 MA7936 | 0.95% | |
| UMBS | 0.95% | |
| GNMA | 0.90% | |
| UMBS | 0.88% | |
| UMBS | 0.88% | |
| UMBS | 0.88% | |
| FG G18631 | 0.87% | |
| UMBS | 0.87% | |
| GNMA | 0.85% | |
| GNMA | 0.83% | |
| GNMA | 0.83% | |
| UMBS | 0.82% | |
| GN 779084 | 0.82% | |
| UMBS | 0.80% | |
| GNMA II, Single-family, 30 Year | 0.76% | |
| UMBS | 0.76% | |
| UMBS | 0.74% | |
| GNMA | 0.73% | |
| UMBS | 0.73% | |
| FG G18627 | 0.71% | |
| UMBS | 0.70% | |
| UMBS | 0.70% | |
| GNMA | 0.70% |
MBB (Feb. 28, 2026)
| Security | Weight | |
|---|---|---|
| BlackRock Cash Funds: Treasury, SL Agency Shares | 5.66% | |
| FR SD8146 | 1.03% | |
| GNII II 5.5% 03/01/2056 #TBA | 0.96% | |
| FNCL 5 3/24 | 0.55% | |
| G2 MA7648 | 0.53% | |
| G2 MA7766 | 0.52% | |
| FN MA4492 | 0.51% | |
| G2SF 5 3/25 | 0.51% | |
| FR SD8140 | 0.49% | |
| FNCL 5.5 3/25 | 0.48% | |
| G2 MA7472 | 0.45% | |
| Government National Mortgage Association, TBA | 0.44% | |
| FN MA4465 | 0.43% | |
| Uniform Mortgage-Backed Securities | 0.43% | |
| G2 MB0025 | 0.41% | |
| G2 MA7935 | 0.36% | |
| G2 MA7367 | 0.35% | |
| Uniform Mortgage-Backed Security, TBA | 0.34% | |
| FR SD8199 | 0.34% | |
| FN MA4281 | 0.32% | |
| Fannie Mae Pool | 0.32% | |
| G2 MA9171 | 0.31% | |
| FN MA4437 | 0.31% | |
| G2 MA7826 | 0.30% | |
| G2 MA7534 | 0.30% | |
| FN MA4305 | 0.29% | |
| Fannie Mae Pool | 0.28% | |
| G2 MA7936 | 0.28% | |
| G2 MA7051 | 0.27% | |
| G2 MA7767 | 0.27% | |
| G2 MA9965 | 0.26% | |
| FR SD8324 | 0.25% | |
| FNCL 6 3/24 | 0.24% | |
| G2 MB0624 | 0.24% | |
| FR SD8182 | 0.23% | |
| FANNIE MAE POOL FN 05/52 FIXED VAR | 0.22% | |
| G2 MA9781 | 0.22% | |
| G2 MA7987 | 0.22% | |
| G2 MA7589 | 0.22% | |
| FR SD8134 | 0.22% | |
| FR SD8362 | 0.22% | |
| Uniform Mortgage-Backed Securities | 0.21% | |
| Uniform Mortgage-Backed Securities | 0.21% | |
| FR RA5205 | 0.21% | |
| FNCL UMBS 3.0 CA9308 02-01-51 | 0.21% | |
| G2 MA9852 | 0.20% | |
| Uniform Mortgage-Backed Securities | 0.20% | |
| G2 MB0091 | 0.19% | |
| Freddie Mac Pool | 0.19% | |
| FR SD8234 | 0.19% |
Machine-readable: JSON · Markdown. Programmatic access via the agent surface.