LSMSX — Western Asset SMASh Series TF Fund
Data updated: 2026-07-22
LSMSX — Western Asset SMASh Series TF Fund. Long Municipal - National Bond · $94.62M AUM · 0.04% expense ratio. Holdings, fees, performance and SEC filings.
LSMSX Fund Overview
LSMSX — Western Asset SMASh Series TF Fund is a US mutual fund managed by Legg Mason Partners Institutional 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 mutual fund
- Manager: Legg Mason Partners Institutional Trust
- Category: Long Municipal - National Bond
- Assets under management: $94.62M
- 1-year return: 8.0%
- Ticker: LSMSX
- SEC CIK: 0000889512
- SEC series ID: S000052179
- Share class ID: C000164185
LSMSX Holdings
Top 10 holdings of Western Asset SMASh Series TF Fund by percentage of net assets, from the fund's latest SEC N-PORT filing.
| Holding | % of net assets |
|---|---|
| California Community Choice Financing Authority (ca) | 2.39% |
| Texas Transn Commn | 2.36% |
| New York City Municipal Water Finance Authority (ny) | 2.21% |
| New Jersey Transportation Trust Fund Authority (nj) | 2.21% |
| California Community Choice Financing Authority (ca) | 1.97% |
| Massachusetts St | 1.66% |
| Metropolitan Nashville Airport Authority (the) (tn) | 1.61% |
| Pennsylvania Economic Development Financing Authority (pa) | 1.44% |
| Illinois (il), State Of | 1.40% |
| Central Texas Regional Mobility Authority (tx) | 1.18% |
LSMSX Portfolio Allocation
Asset-class allocation of Western Asset SMASh Series TF Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Asset class | Allocation |
|---|---|
| Fixed Income | 99.8% |
LSMSX Performance
Total returns for LSMSX (as of 2026-09-01), from SEC filings.
| Period | Total return |
|---|---|
| YTD | 2.0% |
| 1 year | 8.0% |
| 3 years (annualised) | 4.2% |
| 5 years (annualised) | 1.2% |
LSMSX Risk Information
Risk metrics for LSMSX, derived from monthly returns in SEC filings.
- 1-year volatility (annualised): 4.7%
LSMSX Costs and Fees
LSMSX costs about $4 per $10,000 invested per year in fund expenses.
- Net expense ratio: 0.04%
- Gross expense ratio: 0.20%
- Portfolio turnover: 18%
- Brokerage commissions: 0.00 bps of average net assets (SEC N-CEN)
LSMSX Cashflows
Over the 12 months to 2026-05, Western Asset SMASh Series TF Fund had net outflows of $1.34M, from monthly SEC N-PORT filings.
| Month | Net flow |
|---|---|
| 2026-05 | $184.06K |
| 2026-04 | −$1.42M |
| 2026-03 | −$181.31K |
| 2026-02 | $1.50M |
| 2026-01 | $12.43M |
| 2025-12 | −$13.17M |
LSMSX Debt Constituents
Largest debt holdings of Western Asset SMASh Series TF Fund by percentage of net assets, from the latest SEC N-PORT filing.
| Debt holding | % of net assets |
|---|---|
| California Community Choice Financing Authority (ca) | 2.39% |
| Texas Transn Commn | 2.36% |
| New York City Municipal Water Finance Authority (ny) | 2.21% |
| New Jersey Transportation Trust Fund Authority (nj) | 2.21% |
| California Community Choice Financing Authority (ca) | 1.97% |
| Massachusetts St | 1.66% |
| Metropolitan Nashville Airport Authority (the) (tn) | 1.61% |
| Pennsylvania Economic Development Financing Authority (pa) | 1.44% |
| Illinois (il), State Of | 1.40% |
| Central Texas Regional Mobility Authority (tx) | 1.18% |
LSMSX Prospectus and SEC Filings
Official Western Asset SMASh Series TF Fund filings on SEC EDGAR — prospectus, portfolio holdings and annual reports.
- Prospectus (485BPOS) — filed 2026-06-23
- Prospectus (485BPOS) — filed 2025-06-24
- Prospectus (485BPOS) — filed 2024-06-25
- Portfolio holdings (N-PORT) — filed 2026-07-22
- Portfolio holdings (N-PORT) — filed 2026-04-24
- Portfolio holdings (N-PORT) — filed 2026-01-26
- Annual census (N-CEN) — filed 2026-05-06
- Annual census (N-CEN) — filed 2025-05-07
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.