497 1 tbit-497_031824.htm SUPPLEMENT tbit-497_031824

THORNBURG INVESTMENT TRUST SUPPLEMENT
Dated March 18, 2024

to the

THORNBURG FUNDS STATEMENT OF ADDITIONAL INFORMATION
applicable to Class A, C, C2, D and I shares
dated February 1, 2024
(the “Retail SAI”)

to the

THORNBURG FUNDS RETIREMENT PLAN SHARES STATEMENT OF ADDITIONAL INFORMATION
applicable to Class R3, R4, R5 and R6 shares
dated February 1, 2024

(the “Retirement SAI”)

and to the

THORNBURG INVESTMENT TRUST STATEMENT OF ADDITIONAL INFORMATION
applicable to Class I shares of the Thornburg Emerging Markets Managed Account Fund and the
Thornburg Municipal Managed Account Fund, and
dated February 1, 2024

(the “SMA Funds SAI”)

Distributor Information

The first sentence of the first paragraph under the “Service and Distribution Plans” section on page 47 of the Retail SAI and page 51 of the Retirement SAI, and under the “Distributor” section on page 58 of the SMA Funds SAI is hereby deleted in its entirety and replaced with the following disclosure:

Effective December 28, 2023, the Trust’s principal underwriter, Thornburg Securities Corporation (“TSC”), was reorganized as Thornburg Securities LLC (“TSL”), a limited liability company and wholly-owned subsidiary of Thornburg, and a member firm of FINRA.

1

Changes to Portfolio Managers’ Ownership

The narrative language and table included under “Portfolio Managers’ Ownership of Shares in the Funds” sub-section beginning on page 66 of the Retail SAI is hereby deleted in its entirety and replaced with the following disclosure:

Portfolio Managers’ Ownership of Shares in the Funds

Displayed below for each of the portfolio managers named in the Prospectus is the dollar range of the individual’s beneficial ownership of shares in the Fund or Funds as to which the individual is a manager. Except as otherwise noted below, the information presented is current as of March 18, 2024. In each case, the dollar range listed may include shares owned by the portfolio manager through the manager’s self-directed account in Thornburg’s retirement plan. In addition to the holdings noted below, each of the portfolio managers is a participant in Thornburg’s profit sharing plan, which invests in shares of each of the Funds.

Portfolio Manager
and Fund Name

Dollar Range of
Beneficial Ownership

Nick Anderson

International Growth Fund

$100,001–$500,000

 

David Ashley

 

Short Duration Municipal Fund

None

Limited Term Municipal Fund

$100,001–$500,000

Intermediate Municipal Fund

$100,001–$500,000

Strategic Municipal Income Fund

$100,001–$500,000

Limited Term California Fund

None

Intermediate New Mexico Fund

None

Intermediate New York Fund

None

 

 

John C. Bonnell

Short Duration Municipal Fund

$100,001–$500,000

Limited Term Municipal Fund

None

Intermediate Municipal Fund

$100,001 – $500,000

Strategic Municipal Income Fund

$100,001 – $500,000

Limited Term California Fund

None

Intermediate New Mexico Fund

None

Intermediate New York Fund

None

 

Matt Burdett 

 

Investment Income Builder Fund

Over $1,000,000

International Equity Fund

$100,001-$500,000

 

 

Brian Burrell 

 

Better World International Fund

$50,001-100,000

 

Lon Erickson

 

Limited Term U.S. Government Fund

$10,001 - $50,000

Ultra Short Income Fund

Over $1,000,000

Limited Term Income Fund

$100,001-$500,000

Strategic Income Fund

$100,001-$500,000

Core Plus Bond Fund 

 $10,001–$50,000

 

Ali Hassan

Strategic Income Fund

$100,001–$500,000

 

2

Portfolio Manager
and Fund Name

Dollar Range of
Beneficial Ownership

Christian Hoffmann

 

Investment Income Builder Fund

$100,001 - $500,000

Limited Term U.S. Government Fund

$10,001–$50,000

Ultra Short Income Fund

$10,001–$50,000

Limited Term Income Fund

$100,001-$500,000

Strategic Income Fund

$100,001–$500,000

Core Plus Bond Fund

$100,001 - $500,000

 

Ben Kirby

 

Investment Income Builder Fund

over $1,000,000

Developing World Fund

$500,001-$1,000,000

Summit Fund

over $1,000,000

 

Jeff Klingelhofer

 

Limited Term U.S. Government Fund

$10,001–$50,000

Ultra Short Income Fund

$10,001–$50,000

Limited Term Income Fund

$500,001-$1,000,000

Strategic Income Fund

$500,001-$1,000,000

Summit Fund

over $1,000,000

Core Plus Bond Fund

$500,001-$1,000,000

 

Steven Klopukh

 

Small/Mid Cap Core Fund

$100,001–$500,000

Small/Mid Cap Growth Fund

$100,001–$500,000

 

 

Eve Lando

 

Short Duration Municipal Fund

None

Limited Term Municipal Fund

$1–$10,000

Intermediate Municipal Fund

$50,001–$100,000

Strategic Municipal Income Fund

$1–$10,000

Limited Term California Fund

None

Intermediate New Mexico Fund

None

Intermediate New York Fund

None

 

 

Emily Leveille

International Growth Fund

$100,001–$500,000

 

Tim McCarthy

 

Small/Mid Cap Core Fund

$50,001–$100,000

Small/Mid Cap Growth Fund

$50,001–$100,000

 

Brian J. McMahon

 

Income Builder Fund

over $1,000,000

Global Opportunities Fund

over $1,000,000

 

 

Miguel Oleaga

 

Global Opportunities Fund

 over $1,000,000

 

 

Josh Rubin 

Developing World Fund

 $100,001–$500,000

 

Joe Salmond

 

Better World International Fund

$100,001–$500,000

 

Sean Sun

 

International Growth Fund

over $1,000,000

 

 

3

Portfolio Manager
and Fund Name

Dollar Range of
Beneficial Ownership

Lei Wang 

 

International Equity Fund

$100,001–$500,000

Better World International Fund

$100,001–$500,000

 

Charles Wilson

 

Developing World Fund

$500,001–$1,000,000

The narrative language and table included under “Portfolio Managers’ Ownership of Shares in the Funds” sub-section beginning on page 68 of the Retirement SAI is hereby deleted in its entirety and replaced with the following disclosure:

Portfolio Managers’ Ownership of Shares in the Funds

Displayed below for each of the portfolio managers named in the Prospectus is the dollar range of the individual’s beneficial ownership of shares in the Fund or Funds as to which the individual is a manager. Except as otherwise noted below, the information presented is current as of March 18, 2024. In each case, the dollar range listed may include shares owned by the portfolio manager through the manager’s self-directed account in Thornburg’s retirement plan. In addition to the holdings noted below, each of the portfolio managers is a participant in Thornburg’s profit sharing plan, which invests in shares of each of the Funds.

Portfolio Manager
and Fund Name

Dollar Range of
Beneficial Ownership

Nick Anderson

International Growth Fund

$100,001–$500,000

 

Matt Burdett 

 

Investment Income Builder Fund

Over $1,000,000

International Equity Fund

$100,001-$500,000

 

 

Lon Erickson

 

Limited Term U.S. Government Fund

$10,001 - $50,000

Limited Term Income Fund

$100,001-$500,000

Strategic Income Fund

$100,001-$500,000

Core Plus Bond Fund 

 $10,001–$50,000

 

Ali Hassan

Strategic Income Fund

$100,001–$500,000

 

Christian Hoffmann

 

Investment Income Builder Fund

$100,001 - $500,000

Limited Term U.S. Government Fund

$10,001–$50,000

Limited Term Income Fund

$100,001-$500,000

Strategic Income Fund

$100,001–$500,000

Core Plus Bond Fund

$100,001 - $500,000

 

Ben Kirby

 

Investment Income Builder Fund

over $1,000,000

Developing World Fund

$500,001-$1,000,000

 

Jeff Klingelhofer

 

Limited Term U.S. Government Fund

$10,001–$50,000

Limited Term Income Fund

$500,001-$1,000,000

Strategic Income Fund

$500,001-$1,000,000

Core Plus Bond Fund

$500,001-$1,000,000

 

4

Portfolio Manager
and Fund Name

Dollar Range of
Beneficial Ownership

Steven Klopukh

 

Small/Mid Cap Core Fund

$100,001–$500,000

Small/Mid Cap Growth Fund

$100,001–$500,000

 

 

Emily Leveille

International Growth Fund

$100,001–$500,000

 

Tim McCarthy

 

Small/Mid Cap Core Fund

$50,001–$100,000

Small/Mid Cap Growth Fund

$50,001–$100,000

 

Brian J. McMahon

 

Income Builder Fund

over $1,000,000

Global Opportunities Fund

over $1,000,000

 

 

Miguel Oleaga

 

Global Opportunities Fund

 over $1,000,000

 

 

Josh Rubin 

Developing World Fund

 $100,001–$500,000

 

Sean Sun

 

International Growth Fund

over $1,000,000

 

 

Lei Wang 

 

International Equity Fund

$100,001–$500,000

 

Charles Wilson

 

Developing World Fund

$500,001–$1,000,000

PLEASE KEEP THIS SUPPLEMENT FOR FUTURE REFERENCE

TH6346

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