ETF comparison

EAGGvsMBB

Both US Aggregate Bond.

iShares ESG U.S. Aggregate Bond ETF · iShares MBS ETF

Holdings overlap

Weighted by ISIN/CUSIP
13.4%

697 positions appear in both funds. Buying equal dollars of EAGG and MBB would leave roughly13.4%of each dollar exposed to the same underlying securities.

EAGG only 85.8%Shared 13.4%MBB only 91.5%
In EAGG only
4,514 positions
Shared
697 positions
In MBB only
10,448 positions

Side by side

EAGG

iShares ESG U.S. Aggregate Bond ETF

iShares · US Aggregate Bond

83composite / 100
Expense ratio
0.10%
Net assets
$5.09B
TTM yield
4.13%
Top-10 conc.
8.9%
MBB

iShares MBS ETF

iShares · US Aggregate Bond

88composite / 100
Expense ratio
0.040%
Net assets
$39.63B
TTM yield
4.42%
Top-10 conc.
13.1%

Sub-score comparison

90
Cost
96
52
Tax efficiency
52
87
Liquidity
100
100
Concentration
96
Tracking quality
EAGGsub-scoreMBB

Tracking quality isn't part of the composite — seewhat we don't scorefor why.

Cost difference

MBB is 6 bps cheaper than EAGG. On a $100,000 position that's about $60/yr more in fees for EAGG.

Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open thecost calculator pre-filled with EAGG vs MBB.

Top shared holdings

697 shared in total
#HoldingIn EAGGIn MBBOverlap
1BlackRock Funds III0.53%6.77%0.53%
2UMBS, TBA0.35%0.34%0.34%
3UMBS, TBA0.32%0.26%0.26%
4UMBS, TBA0.20%0.64%0.20%
5Government National Mortgage Association0.19%0.95%0.19%
6Freddie Mac0.42%0.18%0.18%
7Government National Mortgage Association0.18%0.55%0.18%
8UMBS, TBA0.17%0.83%0.17%
9Government National Mortgage Association0.16%0.67%0.16%
10Government National Mortgage Association0.15%0.23%0.15%
11Government National Mortgage Association0.15%0.31%0.15%
12Government National Mortgage Association0.12%0.30%0.12%

Only in EAGG

4,514 total
  • United States Treasury0.47%
  • United States Treasury0.41%
  • United States Treasury0.40%
  • United States Treasury0.40%
  • United States Treasury0.39%
  • United States Treasury0.38%
  • United States Treasury0.38%
  • United States Treasury0.37%
  • United States Treasury0.37%
  • United States Treasury0.37%

Only in MBB

10,448 total
  • Government National Mortgage Association0.54%
  • Fannie Mae0.44%
  • Fannie Mae0.44%
  • Fannie Mae0.33%
  • Fannie Mae0.28%
  • Government National Mortgage Association0.27%
  • Fannie Mae0.23%
  • Government National Mortgage Association0.22%
  • Freddie Mac0.22%
  • Freddie Mac0.21%

Open EAGG or MBB at a brokerage

Both funds trade commission-free at major US brokerages.

Affiliate links — opening an account through these earns PlainIndex a one-time referral. Scoring is computed before any affiliate consideration; see our methodologyand funding disclosure.

Holdings overlap is the sum of min(weight_a, weight_b) over positions matched on ISIN (CUSIP fallback). Methodology: see/methodology/.

Comparing two funds doesn't endorse swapping one for the other. Tax-lot history, account type, and personal goals matter — PlainIndex publishes data and methodology, not investment advice.