TRZUX — T. Rowe Price U.S. Treasury Long-Term Index Fund
Data updated: 2026-07-28
TRZUX — T. Rowe Price U.S. Treasury Long-Term Index Fund data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Treasury / Sovereign Bond · $4.56B AUM · 0.00% expense ratio · 3.7% 1-yr return. From SEC regulatory filings.
TRZUX Fund Overview
TRZUX — T. Rowe Price U.S. Treasury Long-Term Index Fund is a US mutual fund managed by T. Rowe Price U.S. Treasury Funds, Inc., categorised as Long Treasury / Sovereign Bond. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US mutual fund
- Manager: T. Rowe Price U.S. Treasury Funds, Inc.
- Category: Long Treasury / Sovereign Bond
- Assets under management: $4.56B
- 1-year return: 3.7%
- Ticker: TRZUX
- SEC CIK: 0000853437
- SEC series ID: S000002168
- Share class ID: C000219345
TRZUX Holdings
Top 10 holdings of T. Rowe Price U.S. Treasury Long-Term Index Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| US Treasury N/b | 4.61% |
| US Treasury N/b | 4.18% |
| US Treasury N/b | 4.03% |
| US Treasury N/b | 3.89% |
| US Treasury N/b | 3.72% |
| US Treasury N/b | 3.60% |
| US Treasury N/b | 3.52% |
| US Treasury N/b | 3.31% |
| US Treasury N/b | 3.31% |
| US Treasury N/b | 3.14% |
TRZUX Portfolio Allocation
Asset-class allocation of T. Rowe Price U.S. Treasury Long-Term Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.9% |
| Cash & Equivalents | 0.8% |
TRZUX Performance
Total returns for TRZUX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 3.7% |
| 1 year | 3.7% |
| 3 years (annualised) | 1.1% |
| 5 years (annualised) | -5.1% |
TRZUX Risk Information
Risk metrics for TRZUX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 7.3%
TRZUX Costs and Fees
TRZUX costs about $0 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.00%
- Gross expense ratio: 0.07%
- Portfolio turnover: 28%
- Brokerage commissions: 0.18 bps of average net assets (SEC N-CEN)
TRZUX Cashflows
Over the 12 months to 2026-02, T. Rowe Price U.S. Treasury Long-Term Index Fund had net outflows of $674.74M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-02 | $17.90M |
| 2026-01 | −$214.90M |
| 2025-12 | −$28.65M |
| 2025-11 | −$15.99M |
| 2025-10 | −$10.90M |
| 2025-09 | −$22.93M |
TRZUX Debt Constituents
Largest debt holdings of T. Rowe Price U.S. Treasury Long-Term Index Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| US Treasury N/b | 4.61% |
| US Treasury N/b | 4.18% |
| US Treasury N/b | 4.03% |
| US Treasury N/b | 3.89% |
| US Treasury N/b | 3.72% |
| US Treasury N/b | 3.60% |
| US Treasury N/b | 3.52% |
| US Treasury N/b | 3.31% |
| US Treasury N/b | 3.31% |
| US Treasury N/b | 3.14% |
TRZUX Prospectus and SEC Filings
Official T. Rowe Price U.S. Treasury Long-Term Index Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Long Treasury / Sovereign Bond funds tracked on ABC INVEST:
Data Sources
ABC INVEST compiles this page from public filings made to the U.S. Securities and Exchange Commission (SEC) through EDGAR: portfolio holdings and monthly cashflows from Form N-PORT, expenses and returns from fund prospectuses (Form 485BPOS) and the SEC DERA Risk/Return Summary data sets, annual data from Form N-CEN, and shareholder reports from Form N-CSR.