ETF comparison
BOND vs SPAB
Both US Aggregate Bond.
PIMCO Active Bond Exchange-Traded Fund · State Street SPDR Portfolio Aggregate Bond ETF
Holdings overlap
226 positions appear in both funds. Buying equal dollars of BOND and SPAB would leave roughly 3.2% 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
SPAB is 51 bps cheaper than BOND. On a $100,000 position that's about $510/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 SPAB.
Top shared holdings
226 shared in total| # | Holding | In BOND | In SPAB | Overlap |
|---|---|---|---|---|
| 1 | United States Treasury | 0.73% | 0.32% | 0.32% |
| 2 | United States Treasury | 3.39% | 0.26% | 0.26% |
| 3 | UMBS, TBA | 0.23% | 0.27% | 0.23% |
| 4 | United States Treasury | 0.38% | 0.23% | 0.23% |
| 5 | United States Treasury | 2.57% | 0.20% | 0.20% |
| 6 | Government National Mortgage Association | 0.38% | 0.17% | 0.17% |
| 7 | UMBS, TBA | 0.16% | 0.13% | 0.13% |
| 8 | Freddie Mac | 0.61% | 0.10% | 0.10% |
| 9 | United States Treasury | 0.09% | 0.25% | 0.09% |
| 10 | United States Treasury | 1.32% | 0.07% | 0.07% |
| 11 | Fannie Mae | 0.76% | 0.07% | 0.07% |
| 12 | UMBS, TBA | 1.58% | 0.06% | 0.06% |
Only in BOND
1,293 total- UMBS, TBA 5.56%
- PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund 4.07%
- UMBS, TBA 3.46%
- UMBS, TBA 2.73%
- UMBS, TBA 2.54%
- UMBS, TBA 2.27%
- United States Treasury 1.93%
- Freddie Mac 1.88%
- Freddie Mac 1.76%
- Government National Mortgage Association 1.21%
Only in SPAB
8,059 total- United States Treasury 0.79%
- United States Treasury 0.44%
- United States Treasury 0.43%
- United States Treasury 0.42%
- United States Treasury 0.40%
- United States Treasury 0.40%
- United States Treasury 0.39%
- United States Treasury 0.38%
- United States Treasury 0.37%
- United States Treasury 0.37%
Related comparisons
More comparisons with BOND
- BOND vs SCHP · Schwab U.S. TIPS ETF 3.0%
- BOND vs TIP · iShares TIPS Bond ETF 3.0%
- BOND vs BIV · Vanguard Intermediate-Term Bond Index Fund ETF Shares 2.8%
- BOND vs SCHZ · Schwab U.S. Aggregate Bond ETF 2.7%
- BOND vs FBND · Fidelity Total Bond ETF 2.3%
- BOND vs BND · Vanguard Total Bond Market Index Fund ETF Shares 2.3%
More comparisons with SPAB
- SPAB vs NEAR · iShares Short Duration Bond Active ETF 3.0%
- SPAB vs PYLD · PIMCO ETF Trust - PIMCO Multisector Bond Active Exchange-Traded Fund 2.1%
- SPAB vs VUSB · Vanguard Ultra-Short Bond ETF 1.8%
- SPAB vs JPST · JPMorgan Ultra-Short Income ETF 1.4%
- SPAB vs ICSH · iShares Ultra Short Duration Bond Active ETF 0.7%
- SPAB vs PULS · PGIM Ultra Short Bond ETF 0.5%
Percentages are holdings overlap with the named fund.
Open BOND or SPAB 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.