ETF comparison
BOND vs IUSB
Both US Aggregate Bond.
PIMCO Active Bond Exchange-Traded Fund · iShares Core Universal USD Bond ETF
Holdings overlap
398 positions appear in both funds. Buying equal dollars of BOND and IUSB 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
IUSB 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 IUSB.
Top shared holdings
398 shared in total| # | Holding | In BOND | In IUSB | Overlap |
|---|---|---|---|---|
| 1 | UMBS, TBA | 3.46% | 0.31% | 0.31% |
| 2 | UMBS, TBA | 5.56% | 0.30% | 0.30% |
| 3 | United States Treasury | 0.38% | 0.17% | 0.17% |
| 4 | Government National Mortgage Association | 0.32% | 0.16% | 0.16% |
| 5 | Government National Mortgage Association | 0.98% | 0.14% | 0.14% |
| 6 | United States Treasury | 1.32% | 0.13% | 0.13% |
| 7 | Government National Mortgage Association | 1.21% | 0.13% | 0.13% |
| 8 | United States Treasury | 0.73% | 0.13% | 0.13% |
| 9 | United States Treasury | 2.57% | 0.12% | 0.12% |
| 10 | United States Treasury | 3.39% | 0.10% | 0.10% |
| 11 | UMBS, TBA | 2.73% | 0.10% | 0.10% |
| 12 | United States Treasury | 0.09% | 0.16% | 0.09% |
Only in BOND
1,121 total- PIMCO Mortgage-Backed Securities Active Exchange-Traded Fund 4.07%
- UMBS, TBA 2.54%
- United States Treasury 1.93%
- Freddie Mac 1.88%
- Freddie Mac 1.76%
- UMBS, TBA 1.58%
- Fannie Mae 1.17%
- United States Treasury 1.03%
- BEIGNET INVESTOR LLC 1.01%
- Fannie Mae 0.98%
Only in IUSB
17,646 total- Federal National Mortgage Association or Federal Home Loan Mortgage Corp. 0.41%
- United States of America 0.37%
- United States of America 0.37%
- United States of America 0.36%
- United States of America 0.35%
- United States of America 0.34%
- United States of America 0.34%
- United States of America 0.34%
- United States of America 0.33%
- United States of America 0.33%
Related comparisons
More comparisons with BOND
- BOND vs SPAB · State Street SPDR Portfolio Aggregate Bond ETF 3.2%
- 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%
More comparisons with IUSB
- IUSB vs PYLD · PIMCO ETF Trust - PIMCO Multisector Bond Active Exchange-Traded Fund 1.8%
- IUSB vs VUSB · Vanguard Ultra-Short Bond ETF 1.7%
- IUSB vs JPST · JPMorgan Ultra-Short Income ETF 1.1%
- IUSB vs ICSH · iShares Ultra Short Duration Bond Active ETF 0.7%
- IUSB vs PULS · PGIM Ultra Short Bond ETF 0.5%
- IUSB vs MINT · PIMCO Enhanced Short Maturity Active Exchange-Traded Fund 0.3%
Percentages are holdings overlap with the named fund.
Open BOND or IUSB 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.