RFIX — Simplify Bond Bull ETF
Data updated: 2026-05-27
RFIX — Simplify Bond Bull ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Ultra-Short Treasury / Sovereign Bond · $58.62M AUM · 0.50% expense ratio · -18.3% 1-yr return. From SEC regulatory filings.
RFIX Fund Overview
RFIX — Simplify Bond Bull ETF is a US mutual fund managed by Simplify Exchange Traded Funds, categorised as Ultra-Short 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: Simplify Exchange Traded Funds
- Category: Ultra-Short Treasury / Sovereign Bond
- Assets under management: $58.62M
- 1-year return: -18.3%
- Ticker: RFIX
- SEC CIK: 0001810747
- SEC series ID: S000088354
- Share class ID: C000254610
RFIX Holdings
Top 9 holdings of Simplify Bond Bull ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| United States Treasury Bills | 31.04% |
| United States Treasury Bills | 28.20% |
| United States Treasury Bills | 18.78% |
| United States Treasury Bills | 18.53% |
| United States Treasury Bills | 8.45% |
| United States Treasury Bills | 7.83% |
| United States Treasury Bills | 5.79% |
| United States Treasury Bills | 3.05% |
| Dreyfus Trsy Oblig Cash M | 0.57% |
RFIX Portfolio Allocation
Asset-class allocation of Simplify Bond Bull ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 121.7% |
| Cash & Equivalents | 0.6% |
RFIX Performance
Total returns for RFIX (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 10.6% |
| 1 year | -18.3% |
RFIX Risk Information
Risk metrics for RFIX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 23.1%
RFIX Costs and Fees
RFIX costs about $50 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.50%
- Gross expense ratio: 0.50%
- Portfolio turnover: 0%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
RFIX Cashflows
Over the 12 months to 2026-03, Simplify Bond Bull ETF had net outflows of $62.87M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | −$5.39M |
| 2026-02 | $0 |
| 2026-01 | −$34.46M |
| 2025-12 | −$11.48M |
| 2025-11 | $0 |
| 2025-10 | $1.09M |
RFIX Debt Constituents
Largest debt holdings of Simplify Bond Bull ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bills | 31.04% |
| United States Treasury Bills | 28.20% |
| United States Treasury Bills | 18.78% |
| United States Treasury Bills | 18.53% |
| United States Treasury Bills | 8.45% |
| United States Treasury Bills | 7.83% |
| United States Treasury Bills | 5.79% |
| United States Treasury Bills | 3.05% |
RFIX Prospectus and SEC Filings
Official Simplify Bond Bull ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Ultra-Short 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.