Thornburg Investment Management Inc

Registered investment adviser · Santa Fe, NM · CRD #106357

Form ADV data as of 2026-09-01

Regulatory assets

$54.45 billion

Total accounts

635

Employees

219

Disclosure events

Firm details

Website: https://www.facebook.com/thornburgfunds/
Telephone: 505-467-7283
SEC file number: 801-17853
Most recent Form ADV filing: 2026-03-27
SEC record: View this firm on the SEC's IAPD site

Disciplinary disclosures

This firm reports 1 disclosure question answered Yes, covering 1 reported events. Form ADV Item 11 covers charges and pending proceedings as well as findings, so a Yes answer is not itself a finding of wrongdoing. The underlying detail is filed with the SEC.

Another regulator found a violation of investment-related regulations or statutes

Assets and accounts

Provides continuous and regular supervisory or management services	Yes
Discretionary regulatory assets under management	$54.45 billion
Non-discretionary regulatory assets under management	$0
Total regulatory assets under management	$54.45 billion
Discretionary accounts	635
Non-discretionary accounts	0
Total accounts	635
Regulatory assets under management attributable to non-U.S. persons	$1.14 billion

People

Total employees (excluding clerical)	219
Employees performing investment advisory functions (including research)	40
Employees who are registered representatives of a broker-dealer	66
Employees registered as investment adviser representatives with a state	34
Employees registered as IARs for another investment adviser	0
Employees who are licensed insurance agents	0
Firms or persons who solicit advisory clients on the firm's behalf	2

Custody

Has custody of client cash or bank accounts	Yes
Has custody of client securities	Yes
Client funds and securities held in the firm's custody	$52.6 million
Clients for whom the firm has custody	2
A related person has custody of client cash or bank accounts	No
A related person has custody of client securities	No
The firm acts as a qualified custodian	No
A related person acts as a qualified custodian	No
Number of persons acting as qualified custodians for the firm's clients	5

How the firm is compensated

A percentage of assets under management

Advisory services offered

Portfolio management for individuals and/or small businessesPortfolio management for investment companiesPortfolio management for pooled investment vehiclesPortfolio management for businesses or institutional clientsOther

Other business activities

Commodity pool operator or commodity trading advisor

Affiliated related persons

Broker-dealer, municipal securities dealer, or government securities broker or dealerOther investment adviser (including financial planners)Commodity pool operator or commodity trading advisorSponsor, general partner, or managing member of pooled investment vehicles

Reported conflicts of interest

Form ADV Items 8 asks advisers to disclose arrangements that may create a conflict with client interests. This firm answered Yes to:

Receives soft dollar benefits
Compensates a non-employee for client referrals

Client types

Type of client	Clients	Assets
Individuals (other than high net worth individuals)	300	$864.4 million
High net worth individuals	187	$385.8 million
Investment companies	25	$49.53 billion
Pooled investment vehicles (other than investment companies and BDCs)	35	$2.50 billion
Charitable organizations	8	$5.1 million
Other investment advisers	6	$42.6 million
Corporations or other businesses not listed above	52	$338.9 million
Other	22	$782.1 million