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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)

SecurityWeight
UMBS1.81%
UMBS1.48%
UMBS1.46%
GNMA1.43%
UMBS1.36%
UMBS1.25%
Uniform Mortgage-Backed Securities1.23%
Uniform Mortgage-Backed Securities1.12%
UMBS1.08%
FN FS39561.07%
FN MA57351.05%
G2 MA78801.04%
UMBS1.04%
FN BM51091.03%
UMBS1.02%
UMBS1.02%
G2 MA77661.01%
UMBS1.01%
UMBS0.98%
FN MA49280.98%
FN MA09760.98%
FN FS23210.98%
UMBS0.96%
UMBS0.96%
G2 MA84930.96%
UMBS0.95%
G2 MA69310.95%
G2 MA79360.95%
UMBS0.95%
GNMA0.90%
UMBS0.88%
UMBS0.88%
UMBS0.88%
FG G186310.87%
UMBS0.87%
GNMA0.85%
GNMA0.83%
GNMA0.83%
UMBS0.82%
GN 7790840.82%
UMBS0.80%
GNMA II, Single-family, 30 Year0.76%
UMBS0.76%
UMBS0.74%
GNMA0.73%
UMBS0.73%
FG G186270.71%
UMBS0.70%
UMBS0.70%
GNMA0.70%

MBB (Feb. 28, 2026)

SecurityWeight
BlackRock Cash Funds: Treasury, SL Agency Shares5.66%
FR SD81461.03%
GNII II 5.5% 03/01/2056 #TBA0.96%
FNCL 5 3/240.55%
G2 MA76480.53%
G2 MA77660.52%
FN MA44920.51%
G2SF 5 3/250.51%
FR SD81400.49%
FNCL 5.5 3/250.48%
G2 MA74720.45%
Government National Mortgage Association, TBA0.44%
FN MA44650.43%
Uniform Mortgage-Backed Securities0.43%
G2 MB00250.41%
G2 MA79350.36%
G2 MA73670.35%
Uniform Mortgage-Backed Security, TBA0.34%
FR SD81990.34%
FN MA42810.32%
Fannie Mae Pool0.32%
G2 MA91710.31%
FN MA44370.31%
G2 MA78260.30%
G2 MA75340.30%
FN MA43050.29%
Fannie Mae Pool0.28%
G2 MA79360.28%
G2 MA70510.27%
G2 MA77670.27%
G2 MA99650.26%
FR SD83240.25%
FNCL 6 3/240.24%
G2 MB06240.24%
FR SD81820.23%
FANNIE MAE POOL FN 05/52 FIXED VAR0.22%
G2 MA97810.22%
G2 MA79870.22%
G2 MA75890.22%
FR SD81340.22%
FR SD83620.22%
Uniform Mortgage-Backed Securities0.21%
Uniform Mortgage-Backed Securities0.21%
FR RA52050.21%
FNCL UMBS 3.0 CA9308 02-01-510.21%
G2 MA98520.20%
Uniform Mortgage-Backed Securities0.20%
G2 MB00910.19%
Freddie Mac Pool0.19%
FR SD82340.19%

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