IUSB vs SCHZ
iShares Trust iShares Core Universal USD Bond ETF against Schwab US Aggregate Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
57%
9349 shared positions
Fee gap
3 bp
SCHZ is cheaper
1-year return gap
0.3 pts
IUSB is ahead
Larger fund
IUSB
$49.3B
Side by side
| IUSB | SCHZ | |
|---|---|---|
| Fund | iShares Trust iShares Core Universal USD Bond ETF | Schwab US Aggregate Bond ETF |
| Issuer | iShares | Schwab |
| Category | Core Bond | Core Bond |
| Expense ratio | 0.06% | 0.03% |
| Assets | $49.3B | $10.7B |
| Average daily dollar volume | $474M | $71M |
| Listed | Jun 10, 2014 | Jul 14, 2011 |
| FrenzyCap score | 96 | 98 |
| 1-month return | −1.1% | −1.0% |
| 3-month return | −2.2% | −2.1% |
| Year to date | −4.5% | −4.7% |
| 1-year return | −5.6% | −5.9% |
| 30-day volatility | 4.8% | 5.1% |
| Worst drawdown, 1 year | −7.0% | −7.2% |
| Trailing 12-month yield | 4.37% | 4.32% |
| Holdings | 18,285 | 12,328 |
| Top 10 weight | 3.8% | 3.7% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$7.2B thru Jul 2026 | +$620M thru Jun 2026 |
| 30-day implied volatility | 7.0% | 16.2% |
| Holdings as of | as of Oct 20, 2026issuer data | as of Jun 30, 2026SEC filing |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
64% of IUSB · 75% of SCHZ| Holding | IUSB | SCHZ |
|---|---|---|
| TREASURY NOTE 4.63%, due Feb 15, 2035 | 0.50% | 0.39% |
| TREASURY NOTE 4.25%, due Aug 15, 2035 | 0.41% | 0.39% |
| TREASURY NOTE 4%, due Nov 15, 2035 | 0.42% | 0.36% |
| TREASURY NOTE (2OLD), due Feb 15, 2036 | 0.36% | 0.39% |
| TREASURY NOTE 4.25%, due Nov 15, 2034 | 0.33% | 0.38% |
| TREASURY NOTE 4.25%, due May 15, 2035 | 0.33% | 0.37% |
| TREASURY NOTE 3.88%, due Aug 15, 2034 | 0.32% | 0.36% |
| TREASURY NOTE 4%, due Feb 15, 2034 | 0.31% | 0.36% |
| TREASURY NOTE 4.38%, due May 15, 2034 | 0.31% | 0.37% |
| TREASURY NOTE 1.38%, due Nov 15, 2031 | 0.31% | 0.30% |
| TREASURY NOTE 4.13%, due May 31, 2031 | 0.37% | 0.29% |
| TREASURY NOTE 1.88%, due Feb 15, 2032 | 0.39% | 0.28% |
| TREASURY NOTE 2.75%, due Aug 15, 2032 | 0.28% | 0.27% |
| TREASURY NOTE 4.5%, due Nov 15, 2033 | 0.27% | 0.36% |
| TREASURY NOTE 4%, due Feb 28, 2030 | 0.27% | 0.32% |
| TREASURY NOTE 3.88%, due Aug 15, 2033 | 0.27% | 0.33% |
| TREASURY NOTE 3.5%, due Feb 15, 2033 | 0.26% | 0.29% |
| TREASURY NOTE 4%, due May 31, 2028 | 0.26% | 0.28% |
| TREASURY NOTE 3.63%, due Oct 31, 2030 | 0.25% | 0.25% |
| TREASURY NOTE 1.25%, due Aug 15, 2031 | 0.25% | 0.30% |
| TREASURY NOTE 3.63%, due Sep 30, 2030 | 0.25% | 0.24% |
| TREASURY NOTE 3.63%, due Dec 31, 2030 | 0.23% | 0.24% |
| TREASURY NOTE 4.13%, due Nov 15, 2032 | 0.23% | 0.31% |
| TREASURY NOTE 3.38%, due Sep 15, 2028 | 0.28% | 0.23% |
| TREASURY NOTE 1.13%, due Feb 15, 2031 | 0.23% | 0.30% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · IUSB holdings · SCHZ holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.