ETF comparison
BOND vs VMBS
Both US Aggregate Bond.
PIMCO Active Bond Exchange-Traded Fund · Vanguard Mortgage-Backed Securities Index Fund ETF Shares
Holdings overlap
24 positions appear in both funds. Buying equal dollars of BOND and VMBS would leave roughly 0.8% 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
VMBS is 48 bps cheaper than BOND. On a $100,000 position that's about $480/yr more in fees for BOND.
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 BOND vs VMBS.
Top shared holdings
24 shared in total| # | Holding | In BOND | In VMBS | Overlap |
|---|---|---|---|---|
| 1 | UMBS, TBA | 2.54% | 0.17% | 0.17% |
| 2 | Freddie Mac | 0.06% | 0.11% | 0.06% |
| 3 | Fannie Mae | 0.25% | 0.06% | 0.06% |
| 4 | Fannie Mae | 0.32% | 0.05% | 0.05% |
| 5 | Fannie Mae | 1.17% | 0.04% | 0.04% |
| 6 | Fannie Mae | 0.98% | 0.04% | 0.04% |
| 7 | Fannie Mae | 0.38% | 0.04% | 0.04% |
| 8 | Freddie Mac | 0.73% | 0.04% | 0.04% |
| 9 | Fannie Mae | 0.69% | 0.04% | 0.04% |
| 10 | Freddie Mac | 0.31% | 0.04% | 0.04% |
| 11 | Freddie Mac | 1.76% | 0.03% | 0.03% |
| 12 | Government National Mortgage Association | 0.70% | 0.03% | 0.03% |
Only in BOND
1,495 total- UMBS, TBA 5.56%
- PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund 4.07%
- UMBS, TBA 3.46%
- United States Treasury 3.39%
- UMBS, TBA 2.73%
- United States Treasury 2.57%
- UMBS, TBA 2.27%
- United States Treasury 1.94%
- United States Treasury 1.93%
- Freddie Mac 1.88%
Only in VMBS
4,838 total- Fannie Mae or Freddie Mac 0.33%
- Fannie Mae or Freddie Mac 0.30%
- Ginnie Mae II Pool 0.30%
- Ginnie Mae II Pool 0.29%
- Ginnie Mae II Pool 0.28%
- Ginnie Mae II Pool 0.27%
- Ginnie Mae II Pool 0.27%
- Fannie Mae Pool 0.27%
- Ginnie Mae II Pool 0.26%
- Fannie Mae or Freddie Mac 0.26%
Related comparisons
More comparisons with BOND
More comparisons with VMBS
- VMBS vs BINC · iShares Flexible Income Active ETF 0.5%
- VMBS vs PYLD · PIMCO ETF Trust - PIMCO Multisector Bond Active Exchange-Traded Fund 0.3%
- VMBS vs NEAR · iShares Short Duration Bond Active ETF 0.0%
- VMBS vs BIV · Vanguard Intermediate-Term Bond Index Fund ETF Shares 0.0%
- VMBS vs BLV · Vanguard Long-Term Bond Index Fund ETF Shares 0.0%
- VMBS vs BNDX · Vanguard Total International Bond Index Fund ETF Shares 0.0%
Percentages are holdings overlap with the named fund.
Open BOND or VMBS 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.