MTBA — Simplify MBS ETF
Data updated: 2026-05-27
MTBA — Simplify MBS ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Alternative · $1.70B AUM · 0.15% expense ratio · 4.8% 1-yr return. From SEC regulatory filings.
MTBA Fund Overview
MTBA — Simplify MBS ETF is a US ETF managed by Simplify Exchange Traded Funds, categorised as Alternative. ABC INVEST provides holdings, performance, costs, cashflows, risk data, prospectus documents and SEC filings, sourced from SEC filings.
- Type: US ETF
- Manager: Simplify Exchange Traded Funds
- Category: Alternative
- Assets under management: $1.70B
- 1-year return: 4.8%
- Ticker: MTBA
- SEC CIK: 0001810747
- SEC series ID: S000082966
- Share class ID: C000246389
MTBA Holdings
Top 9 holdings of Simplify MBS ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| Simplify Exchange Traded Funds | 94.35% |
| Federal National Mortgage Association | 41.53% |
| Federal National Mortgage Association | 40.84% |
| Federal National Mortgage Association | 16.44% |
| United States Treasury Bills | 4.20% |
| United States Treasury Bills | 1.52% |
| United States Treasury Bills | 0.93% |
| United States Treasury Bills | 0.52% |
| Dreyfus Trsy Oblig Cash M | 0.03% |
MTBA Portfolio Allocation
Asset-class allocation of Simplify MBS ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Securitized | 98.8% |
| Cash & Equivalents | 94.4% |
| Fixed Income | 7.2% |
MTBA Performance
Total returns for MTBA (as of 2026-08-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | -0.5% |
| 1 year | 4.8% |
| 3 years (annualised) | 5.4% |
MTBA Risk Information
Risk metrics for MTBA, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 2.9%
MTBA Costs and Fees
MTBA costs about $15 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.15%
- Gross expense ratio: 0.25%
- Portfolio turnover: 1376%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
MTBA Cashflows
Over the 12 months to 2026-03, Simplify MBS ETF had net inflows of $96.38M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-03 | $22.56M |
| 2026-02 | $7.59M |
| 2026-01 | $18.94M |
| 2025-12 | $42.88M |
| 2025-11 | $27.70M |
| 2025-10 | $108.75M |
MTBA Debt Constituents
Largest debt holdings of Simplify MBS ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| United States Treasury Bills | 4.20% |
| United States Treasury Bills | 1.52% |
| United States Treasury Bills | 0.93% |
| United States Treasury Bills | 0.52% |
MTBA Prospectus and SEC Filings
Official Simplify MBS ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
Related Funds
Other Alternative 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.