NMB — Simplify National Muni Bond ETF

Data updated: 2026-05-27

NMB — Simplify National Muni Bond ETF data: holdings, portfolio allocation, expenses, performance, cashflows, risk and SEC filings. Long Municipal - National Bond · $45.30M AUM · 0.52% expense ratio · 11.9% 1-yr return. From SEC regulatory filings.

NMB Fund Overview

NMB — Simplify National Muni Bond ETF is a US mutual fund managed by Simplify Exchange Traded Funds, categorised as Long Municipal - National 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: Long Municipal - National Bond
  • Assets under management: $45.30M
  • 1-year return: 11.9%
  • Ticker: NMB
  • SEC CIK: 0001810747
  • SEC series ID: S000085698
  • Share class ID: C000251042

NMB Holdings

Top 10 holdings of Simplify National Muni Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.

Holding% of net assets
Dreyfus Trsy Oblig Cash M7.47%
New York N Y City Transitional Fin Auth4.91%
Hillsborough Cnty Fla Indl Dev Auth4.65%
Las Vegas Valley Nev Wtr Dist4.63%
Georgetown Tex Indpt Sch Dist4.62%
Lamar Tex Cons Indpt Sch Dist4.53%
North Carolina Tpk Auth4.42%
Metropolitan Nashville Arpt Auth Tenn4.00%
New York St Dorm Auth3.60%
California St3.55%

View all NMB holdings

NMB Portfolio Allocation

Asset-class allocation of Simplify National Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.

Asset classAllocation
Fixed Income91.6%
Cash & Equivalents7.5%

NMB Performance

Total returns for NMB (as of 2026-08-01), from SEC filings.

PeriodTotal return
YTD-1.9%
1 year11.9%

NMB Risk Information

Risk metrics for NMB, derived from monthly returns in SEC filings.

  • 1-year volatility (annualised): 11.4%

NMB Costs and Fees

NMB costs about $52 per $10,000 invested per year in fund expenses.

  • Net expense ratio: 0.52%
  • Gross expense ratio: 0.52%
  • Portfolio turnover: 678%
  • Brokerage commissions: 14.47 bps of average net assets (SEC N-CEN)

NMB Cashflows

Over the 12 months to 2026-03, Simplify National Muni Bond ETF had net outflows of $46.35M, from monthly SEC N-PORT filings.

MonthNet flow
2026-03−$878
2026-02$0
2026-01$626.87K
2025-12−$2.51M
2025-11$641.71K
2025-10$0

NMB Debt Constituents

Largest debt holdings of Simplify National Muni Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.

Debt holding% of net assets
New York N Y City Transitional Fin Auth4.91%
Hillsborough Cnty Fla Indl Dev Auth4.65%
Las Vegas Valley Nev Wtr Dist4.63%
Georgetown Tex Indpt Sch Dist4.62%
Lamar Tex Cons Indpt Sch Dist4.53%
North Carolina Tpk Auth4.42%
Metropolitan Nashville Arpt Auth Tenn4.00%
New York St Dorm Auth3.60%
California St3.55%
San Francisco Calif City & Cnty Arpts Commn3.50%

NMB Prospectus and SEC Filings

Official Simplify National Muni Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.

Related Funds

Other Long Municipal - National 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.