FLMB — Franklin Municipal Green Bond ETF
Data updated: 2026-08-27
FLMB — Franklin Municipal Green Bond ETF. Long Municipal - National Bond · $78.25M AUM · 0.30% expense ratio. Holdings, fees, performance and SEC filings.
FLMB Fund Overview
FLMB — Franklin Municipal Green Bond ETF is a US ETF managed by Franklin Templeton ETF Trust, 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 ETF
- Manager: Franklin Templeton ETF Trust
- Category: Long Municipal - National Bond
- Assets under management: $78.25M
- 1-year return: 8.5%
- Ticker: FLMB
- SEC CIK: 0001655589
- SEC series ID: S000057880
- Share class ID: C000187843
FLMB Holdings
Top 10 holdings of Franklin Municipal Green Bond ETF by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| California Community Choice Financing Authority (ca) | 4.75% |
| California Municipal Finance Authority (ca) | 4.48% |
| California Community Choice Financing Authority (ca) | 4.28% |
| Intermountain Power Agency (ut) | 4.06% |
| Illinois Finance Authority (il) | 4.01% |
| Central Valley Water Reclamation Facility (ut) | 3.81% |
| Atlanta (ga), City Of | 3.26% |
| Port Of Portland The (or) | 3.03% |
| San Diego County Regional Airport Authority (ca) | 2.99% |
| Maryland Economic Development Corp. (md) | 2.60% |
FLMB Portfolio Allocation
Asset-class allocation of Franklin Municipal Green Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 98.7% |
FLMB Performance
Total returns for FLMB (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.8% |
| 1 year | 8.5% |
| 3 years (annualised) | 4.3% |
| 5 years (annualised) | 0.8% |
FLMB Risk Information
Risk metrics for FLMB, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.9%
FLMB Costs and Fees
FLMB costs about $30 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.30%
- Gross expense ratio: 0.30%
- Portfolio turnover: 24%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
FLMB Cashflows
Over the 12 months to 2026-06, Franklin Municipal Green Bond ETF had net outflows of $23.43M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-06 | −$4.78M |
| 2026-05 | $0 |
| 2026-04 | −$4.77M |
| 2026-03 | −$4.76M |
| 2026-02 | −$4.78M |
| 2026-01 | $3.57M |
FLMB Debt Constituents
Largest debt holdings of Franklin Municipal Green Bond ETF by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| California Community Choice Financing Authority (ca) | 4.75% |
| California Municipal Finance Authority (ca) | 4.48% |
| California Community Choice Financing Authority (ca) | 4.28% |
| Intermountain Power Agency (ut) | 4.06% |
| Illinois Finance Authority (il) | 4.01% |
| Central Valley Water Reclamation Facility (ut) | 3.81% |
| Atlanta (ga), City Of | 3.26% |
| Port Of Portland The (or) | 3.03% |
| San Diego County Regional Airport Authority (ca) | 2.99% |
| Maryland Economic Development Corp. (md) | 2.60% |
FLMB Prospectus and SEC Filings
Official Franklin Municipal Green Bond ETF filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-07-27
- Prospectus (485BPOS) — filed 2025-07-28
- Prospectus (485BPOS) — filed 2024-07-26
- Portfolio holdings (N-PORT) — filed 2026-08-27
- Portfolio holdings (N-PORT) — filed 2026-05-21
- Portfolio holdings (N-PORT) — filed 2026-02-27
- Annual census (N-CEN) — filed 2026-06-12
- Annual census (N-CEN) — filed 2025-06-12
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.