iShares 0-3 Month Treasury Bond ETF (SGOV)

What the fund owns and how it works

SGOV seeks to track the ICE 0-3 Month US Treasury Securities Index. The benchmark holds U.S. Treasury bills with very short remaining maturities under its published eligibility rules. As bills approach maturity or leave the permitted range, the index and fund replace them with newly eligible securities. The result is a continually rolled portfolio rather than one bill held by the shareholder until a personal maturity date.

Treasury bills are issued at a discount and repay face value at maturity instead of paying a conventional coupon. The fund collects the portfolio's return, pays expenses, and makes distributions under its policies. Its reported yield depends on the issuer's chosen definition and as-of date, so SEC yield, distribution yield, and recent income should never be treated as interchangeable.

Why readers compare or use it

SGOV is commonly considered when readers want short-term Treasury exposure with exchange trading and recurring portfolio maintenance. Its very short maturity range ordinarily gives it much lower interest-rate sensitivity than an intermediate or long-term bond fund. That feature makes the mechanics easier to compare with Treasury bills, money market funds, and floating-rate Treasury ETFs.

The closest conceptual comparison is USFR. SGOV repeatedly rolls fixed-rate bills, while USFR holds longer Treasury floating-rate notes whose coupons reset with short-term bill auctions. Both respond to short rates, but the instruments and cash-flow processes differ.

Trade-offs to understand

SGOV is not a bank account, certificate of deposit, or money market deposit account. ETF shares are not FDIC-insured, trade at market prices, and can transact above or below net asset value. A shareholder can face a bid-ask spread, brokerage terms, and tax consequences. The fund does not promise a fixed redemption value on a chosen date.

Very low duration does not mean exactly zero price movement. Changes in short-term yields, accrued income, distributions, expenses, and trading conditions affect the share price. Treasury obligations have U.S. government credit support, but that support does not guarantee the ETF's market price or eliminate operational and secondary-market risk.

Closest alternatives

USFR owns Treasury floating-rate notes and has a different reset mechanism. A direct Treasury bill gives its owner a stated maturity and face value, but requires purchase and reinvestment decisions. Government money market funds follow separate regulatory and valuation rules. Short Treasury ETFs with longer maturity bands accept more rate sensitivity. Comparisons should distinguish the instrument from the account or wrapper.

What can change

The index can change eligibility and rebalance practices. Bill supply, auction rates, fund yield, distribution amounts, assets, holding count, duration, spread, and premium or discount move over time. BlackRock can change the expense ratio and operating policies through disclosures. A yield figure means little without its exact label and date, and a change to the benchmark's maturity range would change the bills the fund can hold.

Evidence and links

Primary evidence: the official iShares SGOV page, current fact sheet and prospectus, ICE index materials, and U.S. Treasury explanations of Treasury bills.

Editorial sources

• Benchmark source
• Supporting source
• Supporting source
• SEC ETF glossary
• Fund documents
• Fund documents
• Issuer page

Related reading

• AGG
• BND
• HYG
• LQD
• SCHD
• TIP
• TLT
• USFR
• VIG
• VTV
• Expense ratio
• Inflation
• Liquidity
• Net asset value NAV
• Dividend
• How treasury bills work
• Market index
• What is a bond
• What is an ETF
• What is an index fund
• Yield