GOVT vs SPTB
iShares U.S. Treasury Bond ETF against State Street SPDR Portfolio Treasury ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
63%
213 shared positions
Fee gap
2 bp
SPTB is cheaper
1-year return gap
0.5 pts
GOVT is ahead
Larger fund
GOVT
$42.4B
Side by side
| GOVT | SPTB | |
|---|---|---|
| Fund | iShares U.S. Treasury Bond ETF | State Street SPDR Portfolio Treasury ETF |
| Issuer | iShares | State Street SPDR |
| Category | Treasury (Broad) | Treasury (Broad) |
| Expense ratio | 0.05% | 0.03% |
| Assets | $42.4B | $459M |
| Average daily dollar volume | $274M | $2.7M |
| Listed | Feb 14, 2012 | May 20, 2024 |
| FrenzyCap score | 97 | 77 |
| 1-month return | −0.6% | −0.7% |
| 3-month return | −1.7% | −1.9% |
| Year to date | −4.2% | −4.5% |
| 1-year return | −5.4% | −5.9% |
| 30-day volatility | 4.3% | 4.3% |
| Worst drawdown, 1 year | −6.8% | −7.2% |
| Trailing 12-month yield | 3.77% | 4.27% |
| Holdings | 231 | 288 |
| Top 10 weight | 21.0% | 7.6% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | +$3.2B thru Jul 2026 | +$108M thru Jun 2026 |
| 30-day implied volatility | 16.0% | — |
| Holdings as of | as of Oct 20, 2026issuer data | as of Oct 20, 2026issuer data |
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
97% of GOVT · 78% of SPTB| Holding | GOVT | SPTB |
|---|---|---|
| TREASURY NOTE 4%, due Feb 15, 2034 | 0.98% | 0.79% |
| TREASURY NOTE 4.5%, due Nov 15, 2033 | 0.83% | 0.78% |
| TREASURY NOTE 4.25%, due Aug 15, 2035 | 0.80% | 0.76% |
| TREASURY NOTE 4.38%, due May 15, 2034 | 0.93% | 0.75% |
| TREASURY NOTE (OLD) 4.38%, due May 15, 2036 | 0.88% | 0.74% |
| TREASURY NOTE 3.5%, due Feb 15, 2033 | 0.84% | 0.74% |
| TREASURY NOTE 4.25%, due Nov 15, 2034 | 0.78% | 0.73% |
| TREASURY NOTE (2OLD), due Feb 15, 2036 | 0.73% | 0.78% |
| TREASURY NOTE 3.88%, due Aug 15, 2034 | 0.92% | 0.72% |
| TREASURY NOTE 4%, due Feb 28, 2030 | 0.95% | 0.69% |
| TREASURY NOTE 4%, due May 31, 2028 | 1.23% | 0.69% |
| TREASURY NOTE 4.13%, due Nov 15, 2032 | 0.65% | 0.66% |
| TREASURY NOTE 3.5%, due Jan 31, 2028 | 0.65% | 0.69% |
| TREASURY NOTE 1.38%, due Nov 15, 2031 | 5.18% | 0.64% |
| TREASURY NOTE 3.88%, due Mar 31, 2028 | 0.99% | 0.64% |
| TREASURY NOTE 1.63%, due May 15, 2031 | 0.73% | 0.64% |
| TREASURY NOTE 3.38%, due May 15, 2033 | 0.76% | 0.64% |
| TREASURY NOTE 4.25%, due May 15, 2035 | 0.63% | 0.70% |
| TREASURY NOTE 1.88%, due Feb 15, 2032 | 0.82% | 0.62% |
| TREASURY NOTE 4%, due Nov 15, 2035 | 0.61% | 0.69% |
| US TREASURY N/B 0.63%, due Aug 15, 2030 | 0.60% | 0.59% |
| TREASURY NOTE 2.88%, due May 15, 2032 | 0.53% | 0.64% |
| TREASURY NOTE 3.75%, due Apr 30, 2028 | 0.74% | 0.52% |
| TREASURY NOTE 4%, due Mar 31, 2030 | 0.52% | 0.51% |
| TREASURY NOTE 1.13%, due Feb 15, 2031 | 0.50% | 0.63% |
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · GOVT holdings · SPTB 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.