BIL vs OBIL
State Street SPDR Bloomberg 1-3 Month T-Bill ETF against US Treasury 12 Month Bill ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
0%
0 shared positions
Fee gap
1 bp
BIL is cheaper
1-year return gap
0.6 pts
BIL is ahead
Larger fund
BIL
$51.1B
Side by side
| BIL | OBIL | |
|---|---|---|
| Fund | State Street SPDR Bloomberg 1-3 Month T-Bill ETF | US Treasury 12 Month Bill ETF |
| Issuer | State Street SPDR | F/m Investments |
| Category | Treasury Bills & Floating | Treasury Bills & Floating |
| Expense ratio | 0.14% | 0.15% |
| Assets | $51.1B | $318M |
| Average daily dollar volume | $1.0B | $3.2M |
| Listed | May 25, 2007 | Nov 14, 2022 |
| FrenzyCap score | 79 | 48 |
| 1-month return | +0.0% | +0.0% |
| 3-month return | +0.0% | −0.2% |
| Year to date | +0.2% | −0.5% |
| 1-year return | −0.0% | −0.7% |
| 30-day volatility | 0.8% | 1.3% |
| Worst drawdown, 1 year | −0.5% | −1.1% |
| Trailing 12-month yield | 3.66% | 3.66% |
| Holdings | 20 | 2 |
| Top 10 weight | 70.1% | 100.0% |
| Look-through P/E | — | — |
| Holdings vs fair value | — | — |
| Holdings above 200-day average | — | — |
| Net flow, latest 3 reported months | −$2.9B thru Jun 2026 | +$14M thru May 2026 |
| 30-day implied volatility | 2.7% | — |
| 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
0% of BIL · 0% of OBILNo holdings in common.
Sector mix of the stock holdings
No sector breakdown: these funds hold few classified stocks.
More: full overlap table · BIL holdings · OBIL 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.