# Thornburg Investment Income Builder Fund

Thornburg Investment Income Builder Fund is a registered fund series of THORNBURG INVESTMENT TRUST (series S000011851). Net assets $21.1B as of 2026-03-31.

## Profile

- Series ID: S000011851
- Registrant: THORNBURG INVESTMENT TRUST
- LEI: 549300TMVK6SMZQZYS83
- Net assets: $21.1B
- Total assets: $21.2B
- As of: 2026-03-31

## Advisers

- [Thornburg Investment Management, Inc. (Advisor)](https://search.stillhousedata.com/firm/106357)

## Top holdings (200 reported)

_Showing 15 of 200 holdings by value._

| Holding | Ticker | Value | % of fund |
| --- | --- | --- | --- |
| Orange SA | — | $1.5B | 700.81% |
| [Thornburg Capital Management Fund](https://search.stillhousedata.com/security/885216739) | — | $1.2B | 573.30% |
| Taiwan Semiconductor Manufacturing Co Ltd | — | $1.0B | 483.83% |
| [Citigroup Inc](https://search.stillhousedata.com/security/172967424) | — | $792.4M | 375.60% |
| [AT&T Inc](https://search.stillhousedata.com/security/00206R102) | — | $782.8M | 371.05% |
| TotalEnergies SE | — | $760.4M | 360.42% |
| BNP Paribas SA | — | $751.8M | 356.38% |
| NN Group NV | — | $748.3M | 354.70% |
| Samsung Electronics Co Ltd | — | $646.7M | 306.54% |
| [Broadcom Inc](https://search.stillhousedata.com/security/11135F101) | — | $628.1M | 297.72% |
| Zegona Communications plc | — | $607.1M | 287.77% |
| Enel SpA | — | $598.4M | 283.65% |
| Deutsche Telekom AG | — | $590.5M | 279.90% |
| Tesco PLC | — | $521.8M | 247.35% |
| Vodafone Group PLC | — | $494.4M | 234.35% |

## Net asset history

| Report date | Net assets |
| --- | --- |
| 2026-03-31 | $21.1B |
| 2025-12-31 | $19.0B |
| 2025-09-30 | $17.7B |
| 2025-06-30 | $16.3B |
| 2025-03-31 | $14.7B |
| 2024-12-31 | $13.5B |
| 2024-09-30 | $13.9B |
| 2024-06-30 | $13.1B |

## More

- [Registrant: THORNBURG INVESTMENT TRUST](https://search.stillhousedata.com/registrant/816153)
- [This page as markdown (for LLM agents)](https://search.stillhousedata.com/fund/S000011851.md)
- [Search all SEC filings, advisers and people on Adviser Search](https://search.stillhousedata.com/)

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Source: public SEC filing data via Adviser Search (https://search.stillhousedata.com).
Agents: this data is also queryable via MCP tools and read-only SQL — see https://search.stillhousedata.com/llms.txt.