AGG vs TMB
iShares Core U.S. Aggregate Bond ETF against Thornburg Multi Sector Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
3%
130 shared positions
Fee gap
52 bp
AGG is cheaper
1-year return gap
1.7 pts
TMB is ahead
Larger fund
AGG
$138.4B
Side by side
| AGG | TMB | |
|---|---|---|
| Fund | iShares Core U.S. Aggregate Bond ETF | Thornburg Multi Sector Bond ETF |
| Issuer | iShares | Thornburg |
| Category | Core Bond | Core Bond |
| Expense ratio | 0.03% | 0.55% |
| Assets | $138.4B | $185M |
| Average daily dollar volume | $1.2B | $2.5M |
| Listed | Sep 22, 2003 | Feb 4, 2025 |
| FrenzyCap score | 99 | 45 |
| 1-month return | −1.0% | −0.9% |
| 3-month return | −2.1% | −1.9% |
| Year to date | −4.6% | −3.1% |
| 1-year return | −5.8% | −4.1% |
| 30-day volatility | 5.0% | 3.8% |
| Worst drawdown, 1 year | −7.2% | −5.2% |
| Trailing 12-month yield | 4.16% | 4.39% |
| Holdings | 13,451 | 557 |
| Top 10 weight | 3.9% | 20.6% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | −$734M thru May 2026 | +$97M thru May 2026 |
| 30-day implied volatility | 5.9% | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of May 31, 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
3% of AGG · 38% of TMB| Holding | AGG | TMB |
|---|---|---|
| TREASURY NOTE 4.63%, due Feb 15, 2035 | 0.40% | 1.62% |
| TREASURY NOTE (OLD) 4.38%, due May 15, 2036 | 0.40% | 3.67% |
| TREASURY NOTE (2OLD), due Feb 15, 2036 | 0.38% | 4.49% |
| TREASURY NOTE 4.25%, due Nov 15, 2034 | 0.40% | 0.32% |
| TREASURY NOTE 3.88%, due Apr 30, 2031 | 0.31% | 1.09% |
| TREASURY BOND 1.75%, due Aug 15, 2041 | 0.16% | 0.44% |
| TREASURY NOTE 3.75%, due Feb 28, 2033 | 0.15% | 3.94% |
| TREASURY NOTE 1.75%, due Jan 31, 2029 | 0.14% | 0.16% |
| TREASURY BOND 1.88%, due Nov 15, 2051 | 0.14% | 0.16% |
| TREASURY BOND 4.75%, due Feb 15, 2045 | 0.11% | 0.56% |
| TREASURY NOTE 4%, due Jun 30, 2032 | 0.10% | 0.08% |
| TREASURY BOND 2.75%, due Nov 15, 2042 | 0.07% | 0.26% |
| GNMA2 30YR, due Jun 20, 2052 | 0.03% | 0.54% |
| FNMA 30YR UMBS, due Aug 1, 2051 | 0.03% | 1.34% |
| TREASURY BOND 2.5%, due Feb 15, 2045 | 0.02% | 0.12% |
| GNMA2 30YR, due Nov 20, 2051 | 0.02% | 0.26% |
| FNMA 30YR UMBS, due Oct 1, 2054 | 0.02% | 1.38% |
| TREASURY BOND 3%, due May 15, 2045 | 0.01% | 1.02% |
| FHLMC 30YR UMBS SUPER, due Dec 1, 2054 | 0.01% | 0.52% |
| MORGAN STANLEY BANK NA (FXD-FRN) 5.02%, due Jan 12, 2029 | 0.01% | 0.14% |
| CITIGROUP INC (FXD-FRN) 4.95%, due May 7, 2031 | 0.01% | 0.15% |
| ALPHABET INC 3.7%, due Feb 15, 2029 | 0.01% | 0.08% |
| ALPHABET INC 4.1%, due Feb 15, 2031 | 0.01% | 0.08% |
| AMAZON.COM INC 4.55%, due Mar 13, 2033 | 0.01% | 0.20% |
| BARCLAYS PLC (FXD TO FLOAT) 4.48%, due Nov 11, 2029 | 0.01% | 0.14% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · AGG holdings · TMB 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.