ETF comparison
MBB vs PYLD
Both US Aggregate Bond.
iShares MBS ETF · PIMCO ETF Trust - PIMCO Multisector Bond Active Exchange-Traded Fund
Holdings overlap
4 positions appear in both funds. Buying equal dollars of MBB and PYLD would leave roughly 0.2% of each dollar exposed to the same underlying securities.
Unmatched is the part of a fund's weight the other fund doesn't match: names only it holds, plus any extra weight it puts in names both funds hold.
Side by side
Sub-score comparison
Tracking quality isn't part of the composite — see what we don't score for why.
Cost difference
MBB is 60 bps cheaper than PYLD. On a $100,000 position that's about $600/yr more in fees for PYLD.
Fee figure is the annual expense charged on $100,000. To see how the gap compounds over a multi-decade holding period, open the cost calculator pre-filled with MBB vs PYLD.
Top shared holdings
4 shared in total| # | Holding | In MBB | In PYLD | Overlap |
|---|---|---|---|---|
| 1 | Government National Mortgage Association | 0.07% | 0.09% | 0.07% |
| 2 | Government National Mortgage Association | 0.07% | 0.06% | 0.06% |
| 3 | Government National Mortgage Association | 0.12% | 0.01% | 0.01% |
| 4 | Government National Mortgage Association | 0.09% | 0.01% | 0.01% |
Only in MBB
11,140 total- Freddie Mac 1.05%
- Government National Mortgage Association 0.95%
- UMBS, TBA 0.83%
- Government National Mortgage Association 0.67%
- UMBS, TBA 0.64%
- Government National Mortgage Association 0.55%
- Government National Mortgage Association 0.54%
- Government National Mortgage Association 0.53%
- Fannie Mae 0.52%
- Freddie Mac 0.50%
Only in PYLD
1,753 total- UMBS, TBA 7.01%
- UMBS, TBA 6.55%
- UMBS, TBA 4.83%
- Fannie Mae 2.97%
- UMBS, TBA 1.78%
- UMBS, TBA 1.42%
- United States Treasury 1.20%
- Freddie Mac 1.06%
- REPUBLIC OF PERU 0.89%
- RD MICHIGAN PROP OWNER I 0.84%
Related comparisons
More comparisons with MBB
- MBB vs BINC · iShares Flexible Income Active ETF 0.0%
- MBB vs BIV · Vanguard Intermediate-Term Bond Index Fund ETF Shares 0.0%
- MBB vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 0.0%
- MBB vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
- MBB vs BSV · Vanguard Short-Term Bond Index Fund ETF Shares 0.0%
- MBB vs DFCF · Dimensional Core Fixed Income ETF 0.0%
More comparisons with PYLD
- PYLD vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.1%
- PYLD vs GOVT · iShares U.S. Treasury Bond ETF 0.0%
- PYLD vs FLOT · iShares Floating Rate Bond ETF 0.0%
- PYLD vs SHY · iShares 1-3 Year Treasury Bond ETF 0.0%
- PYLD vs VGSH · Vanguard Short-Term Treasury Index Fund ETF Shares 0.0%
- PYLD vs BOND · PIMCO Active Bond Exchange-Traded Fund 12.6%
Percentages are holdings overlap with the named fund.
Open MBB or PYLD 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 methodology and 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.