LMSMX
Western Asset SMASh Series M Fund
Legg Mason Partners Institutional Trust
Expense ratio1
0.00%
Net assets2
$396.59M
Holdings2
149
Category
Other
2025 return3
12.32%

Investment objective & strategy

As of June 24, 2025 · prospectus

Objective. The fund seeks to maximize total return consisting of capital appreciation and income, consistent with prudent investment management.

Strategy. Under normal circumstances, the fund expects to invest primarily in a combination of U.S. dollar denominated and non-U.S. dollar denominated investment grade (that is, rated in the Baa/BBB categories or above, or, if unrated, determined to be of comparable credit quality by the subadviser) debt obligations of U.S. and non-U.S. issuers (including emerging market issuers) and in derivatives and other instruments relating to such investments. The fund intends to invest a substantial portion of its assets in mortgage-related securities (including collateralized mortgage obligations), U.S. government securities and money market instruments. The fund also intends to invest in asset-backed and inflation-protected securities and to engage in dollar rolls on mortgage-related securities. Although the fund may invest in securities of any maturity, … Under normal circumstances, the fund expects to invest primarily in a combination of U.S. dollar denominated and non-U.S. dollar denominated investment grade (that is, rated in the Baa/BBB categories or above, or, if unrated, determined to be of comparable credit quality by the subadviser) debt obligations of U.S. and non-U.S. issuers (including emerging market issuers) and in derivatives and other instruments relating to such investments. The fund intends to invest a substantial portion of its assets in mortgage-related securities (including collateralized mortgage obligations), U.S. government securities and money market instruments. The fund also intends to invest in asset-backed and inflation-protected securities and to engage in dollar rolls on mortgage-related securities. Although the fund may invest in securities of any maturity, the funds target dollar-weighted average effective duration, as estimated by the funds subadviser, is expected to range between 6 months and 10 years. Effective duration seeks to measure the expected sensitivity of market price to changes in interest rates, taking into account the anticipated effects of structural complexities (for example, some bonds can be prepaid by the issuer). Instead of, and/or in addition to, investing directly in particular securities, the fund may use instruments such as derivatives, including options, interest rate swaps, credit default swaps and options on credit default swaps, futures contracts, and other synthetic instruments that are intended to provide economic exposure to the securities or the issuer or to be used as a hedging technique. The fund may use one or more types of these instruments without limit, subject to applicable regulatory requirements. For additional information regarding derivatives, see More on the funds investment strategies, investments and risksDerivatives in the Prospectus. The fund may also engage in a variety of transactions using derivatives in order to change the investment characteristics of its portfolio (such as shortening or lengthening duration) and for other purposes. The fund may borrow money to increase portfolio holdings, to the extent consistent with the funds fundamental investment restrictions. The fund is classified as diversified.

Top holdings

As of Feb. 27, 2026 · N-PORT
SecurityTickerValue% of fund
US TREASURY N/B $50.48M 12.73%
Uniform Mortgage-Backed Security, TBA FNMA $28.85M 7.28%
GNMA II TBA 30 YR 3 JUMBOS $26.79M 6.75%
Ginnie Mae $25.90M 6.53%
US TREASURY N/B $22.26M 5.61%
GNMA II, 30 Year $19.50M 4.92%
GNII II 5.5% 03/01/2056 #TBA $18.23M 4.60%
Ginnie Mae $16.36M 4.12%
GNMA TBA G2SF $12.71M 3.21%
Uniform Mortgage-Backed Security, TBA $12.43M 3.13%
View all holdings →

Allocation by sector

As of February 27, 2026 · N-PORT
View portfolio breakdown →

Portfolio moves

Nov 28, 2025 → Feb 27, 2026
Opened
23
Exited
36
Increased
0
Decreased
105
Unchanged
24

How many positions this fund opened, exited, grew, trimmed, or left unchanged between its two most recent N-PORT snapshots — net changes between point-in-time reports, not a trade log.

View portfolio moves →

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Advisers

As of February 28, 2025 · N-CEN
FirmRole
FRANKLIN TEMPLETON FUND ADVISER, LLC Adviser
Western Asset Management Company, LLC Sub-adviser
Western Asset Management Company Limited Sub-adviser

Footnotes

  1. Expense ratio as of June 24, 2025, from the fund's prospectus.
  2. Net assets and holdings count as of February 27, 2026, from the fund's N-PORT filing.
  3. Total return for calendar year 2025, before tax and after fund expenses. Computed by compounding the twelve monthly total returns the fund reported in its SEC N-PORT filings for 2025 (the latest prospectus does not yet chart this year).

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