IUSB vs TPLS
iShares Trust iShares Core Universal USD Bond ETF against Thornburg Core Plus Bond ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
1%
186 shared positions
Fee gap
39 bp
IUSB is cheaper
1-year return gap
0.7 pts
IUSB is ahead
Larger fund
IUSB
$49.3B
Side by side
| IUSB | TPLS | |
|---|---|---|
| Fund | iShares Trust iShares Core Universal USD Bond ETF | Thornburg Core Plus Bond ETF |
| Issuer | iShares | Thornburg |
| Category | Core Bond | Core Bond |
| Expense ratio | 0.06% | 0.45% |
| Assets | $49.3B | $20M |
| Average daily dollar volume | $474M | $600K |
| Listed | Jun 10, 2014 | Feb 4, 2025 |
| FrenzyCap score | 96 | 33 |
| 1-month return | −1.1% | −0.9% |
| 3-month return | −2.2% | −2.4% |
| Year to date | −4.5% | −4.7% |
| 1-year return | −5.6% | −6.3% |
| 30-day volatility | 4.8% | 4.8% |
| Worst drawdown, 1 year | −7.0% | −7.8% |
| Trailing 12-month yield | 4.37% | 5.00% |
| Holdings | 18,285 | 337 |
| Top 10 weight | 3.8% | 27.4% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$7.2B thru Jul 2026 | +$1.3M thru May 2026 |
| 30-day implied volatility | 7.0% | — |
| 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
2% of IUSB · 35% of TPLS| Holding | IUSB | TPLS |
|---|---|---|
| TREASURY NOTE 4.25%, due Nov 15, 2034 | 0.33% | 0.77% |
| TREASURY NOTE (OLD) 4.38%, due May 15, 2036 | 0.33% | 1.05% |
| TREASURY NOTE 1.75%, due Jan 31, 2029 | 0.17% | 0.20% |
| TREASURY NOTE 4%, due Jun 30, 2032 | 0.11% | 0.10% |
| TREASURY NOTE 3.88%, due Apr 30, 2031 | 0.20% | 0.07% |
| GNMA2 30YR, due Nov 20, 2051 | 0.03% | 1.47% |
| PETROLEOS MEXICANOS 7.69%, due Jan 23, 2050 | 0.02% | 0.09% |
| FHLMC 30YR UMBS SUPER, due Feb 1, 2052 | 0.01% | 0.96% |
| WELLS FARGO & COMPANY MTN 5.57%, due Jul 25, 2029 | 0.01% | 0.13% |
| META PLATFORMS INC 6.3%, due May 15, 2056 | 0.01% | 0.15% |
| CITIGROUP INC (FX-FRN) 3.79%, due Mar 17, 2033 | 0.01% | 0.15% |
| MEDLINE BORROWER LP 144A, due Oct 1, 2029 | 0.01% | 0.05% |
| BANK OF AMERICA CORP (FXD-FLT) MTN 5.16%, due Jan 24, 2031 | 0.01% | 0.22% |
| TRANSDIGM INC 144A, due Mar 1, 2029 | 0.01% | 0.13% |
| MORGAN STANLEY MTN 5.23%, due Jan 15, 2031 | 0.01% | 0.22% |
| CITIGROUP INC 4.54%, due Sep 19, 2030 | 0.01% | 0.13% |
| ALPHABET INC 3.7%, due Feb 15, 2029 | 0.01% | 0.12% |
| JPMORGAN CHASE & CO 5.14%, due Jan 24, 2031 | 0.01% | 0.35% |
| CENTENE CORPORATION 3%, due Oct 15, 2030 | 0.01% | 0.11% |
| FIDELITY NATIONAL INFORMATION SERV 4.55%, due Mar 10, 2029 | 0.01% | 0.15% |
| BROWN & BROWN INC 4.7%, due Jun 23, 2028 | 0.01% | 0.10% |
| ALPHABET INC 4.1%, due Feb 15, 2031 | 0.01% | 0.12% |
| ECOPETROL SA 8.38%, due Jan 19, 2036 | 0.01% | 0.10% |
| US BANCORP MTN 5.1%, due Jul 23, 2030 | 0.01% | 0.13% |
| HEWLETT PACKARD ENTERPRISE CO 4.15%, due Sep 15, 2028 | 0.01% | 0.24% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · IUSB holdings · TPLS 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.