# EDGAR Filing Document

**Accession Number:** 0000816153
**File Stem:** 0001410368-26-051167
**Filing Date:** 2026-5
**Character Count:** 18423
**Document Hash:** 3d06f29edc9f85a66c2876821ae0c599
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-26-051167.hdr.sgml**: 20260526

**ACCESSION NUMBER**: 0001410368-26-051167

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260526

**DATE AS OF CHANGE**: 20260526

**PERIOD START**: 20260930

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** THORNBURG INVESTMENT TRUST
- **CENTRAL INDEX KEY:** 0000816153

**ORGANIZATION NAME:**
- **EIN:** 061158764
- **STATE OF INCORPORATION:** MA
- **FISCAL YEAR END:** 0930

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-05201
- **FILM NUMBER:** 261016869

**BUSINESS ADDRESS:**
- **STREET 1:** 2300 NORTH RIDGETOP ROAD
- **CITY:** SANTA FE
- **STATE:** NM
- **ZIP:** 87506-8361
- **BUSINESS PHONE:** 5059840200

**MAIL ADDRESS:**
- **STREET 1:** 2300 NORTH RIDGETOP ROAD
- **CITY:** SANTA FE
- **STATE:** NM
- **ZIP:** 87506-8361

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** THORNBURG INCOME TRUST
- **DATE OF NAME CHANGE:** 19920703

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** LIMITED TERM TRUST
- **DATE OF NAME CHANGE:** 19870816

## Series and Classes Contracts Data

### Thornburg American Opportunities Fund (Series ID: S000011846)

| Class ID   | Class Name                                       | Ticker Symbol   |
|:---|:---|:---|
| C000032361 | Thornburg American Opportunities Fund - Class A  | TVAFX           |
| C000032363 | Thornburg American Opportunities Fund - Class C  | TVCFX           |
| C000032364 | Thornburg American Opportunities Fund - Class I  | TVIFX           |
| C000032366 | Thornburg American Opportunities Fund - Class R5 | TVRRX           |
| C000042669 | Thornburg American Opportunities Fund - Class R4 | TVIRX           |
| C000042670 | Thornburg American Opportunities Fund - Class R3 | TVRFX           |
| C000272858 | ETF Class                                        | TAOZ            |

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** THORNBURG INVESTMENT TRUST

- **b. Investment Company Act file number:** 811-05201

- **c. CIK number of Registrant:** 0000816153

- **d. LEI of Registrant:** 5493001XM52H8S4WYY82

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 2300 NORTH RIDGETOP ROAD

  - **City:** SANTA FE

  - **State:** NM

  - **Foreign country:** US

  - **Zip / Postal Code:** 87506-8361

  - **Telephone number:** 505-984-0200

**Item A.2. Information about the Series.**

- **a. Name of Series:** Thornburg American Opportunities Fund

- **b. EDGAR series identifier (if any):** S000011846

- **c. LEI of Series:** 54930089U7S9VLN5QP70

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-09-30

- **b. Date as of which information is reported:** 2026-03-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $471670191.90

**Total Liabilities:** $5325145.89

**Net Assets:** $466345046.01

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000032361 | 4.06%                | 4.66%                | -5.50%               |
| Class ID C000032363 | 3.98%                | 4.61%                | -5.53%               |
| Class ID C000032364 | 4.09%                | 4.70%                | -5.47%               |
| Class ID C000032366 | 4.10%                | 4.70%                | -5.47%               |
| Class ID C000042669 | 4.06%                | 4.67%                | -5.48%               |
| Class ID C000042670 | 4.06%                | 4.65%                | -5.50%               |
| Class ID C000272858 |  |  |  |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $4373124.05              | $15040027.84                               |
| Month 2  | $30060629.74             | $-7848533.01                               |
| Month 3  | $-33309656.05            | $6173026.68                                |

### Schedule of Portfolio Investments

| Name                                    | Title                                   | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Agilysys Inc                            | Agilysys Inc                            | CUSIP: 00847J105<br>LEI: 5299001XWB5V3B5IPN93 | Long             | EC               | CORP              | US        |    111876 | NS      | $7958858.64   | 1.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Applied Industrial Technologies Inc     | Applied Industrial Technologies Inc     | CUSIP: 03820C105<br>LEI: 549300NU173IJRC6PO38 | Long             | EC               | CORP              | US        |     35532 | NS      | $9427350.24   | 2.02%             |  |  |  | No            |                  1 | On Loan: No      |
| Arcosa Inc                              | Arcosa Inc                              | CUSIP: 039653100<br>LEI: 549300WFHLTCZV7D6V29 | Long             | EC               | CORP              | US        |     79389 | NS      | $8426348.46   | 1.81%             |  |  |  | No            |                  1 | On Loan: No      |
| Assurant Inc                            | Assurant Inc                            | CUSIP: 04621X108<br>LEI: H3F39CAXWQRVWURFXL38 | Long             | EC               | CORP              | US        |     44121 | NS      | $9609995.01   | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| BJ's Wholesale Club Holdings Inc        | BJ's Wholesale Club Holdings Inc        | CUSIP: 05550J101<br>LEI: 549300UCIWH1C93V0J03 | Long             | EC               | CORP              | US        |     52349 | NS      | $5152188.58   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Booking Holdings Inc                    | Booking Holdings Inc                    | CUSIP: 09857L108<br>LEI: FXM8FAOHMYDIPD38UZ17 | Long             | EC               | CORP              | US        |       786 | NS      | $3309311.52   | 0.71%             |  |  |  | No            |                  1 | On Loan: No      |
| Builders FirstSource Inc                | Builders FirstSource Inc                | CUSIP: 12008R107<br>LEI: 549300W0SKP6L3H7DP63 | Long             | EC               | CORP              | US        |    115024 | NS      | $9469925.92   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| CCC Intelligent Solutions Holdings Inc  | CCC Intelligent Solutions Holdings Inc  | CUSIP: 12510Q100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    445779 | NS      | $2674674.00   | 0.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Casella Waste Systems Inc               | Casella Waste Systems Inc               | CUSIP: 147448104<br>LEI: 8EU0XUFVJ48U37IIDH51 | Long             | EC               | CORP              | US        |    121212 | NS      | $9616960.08   | 2.06%             |  |  |  | No            |                  1 | On Loan: No      |
| Clean Harbors Inc                       | Clean Harbors Inc                       | CUSIP: 184496107<br>LEI: 5493000SJVZVZJKHJF48 | Long             | EC               | CORP              | US        |     37597 | NS      | $10780187.81  | 2.31%             |  |  |  | No            |                  1 | On Loan: No      |
| Coherent Corp                           | Coherent Corp                           | CUSIP: 19247G107<br>LEI: 549300O5C25A0MMHHU33 | Long             | EC               | CORP              | US        |     74441 | NS      | $17732590.61  | 3.80%             |  |  |  | No            |                  1 | On Loan: No      |
| Colliers International Group Inc        | Colliers International Group Inc        | CUSIP: 194693107<br>LEI: D3O8K13PHLEXXD1DT480 | Long             | EC               | CORP              | CA        |    104723 | NS      | $11193841.47  | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| DT Midstream Inc                        | DT Midstream Inc                        | CUSIP: 23345M107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     77207 | NS      | $10397466.69  | 2.23%             |  |  |  | No            |                  1 | On Loan: No      |
| Deckers Outdoor Corp                    | Deckers Outdoor Corp                    | CUSIP: 243537107<br>LEI: 5493008LG4W3I6K8J118 | Long             | EC               | CORP              | US        |     50664 | NS      | $5070959.76   | 1.09%             |  |  |  | No            |                  1 | On Loan: No      |
| Ducommun Inc                            | Ducommun Inc                            | CUSIP: 264147109<br>LEI: 549300Z71HMWF90S2214 | Long             | EC               | CORP              | US        |    129861 | NS      | $15843042.00  | 3.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Group 1 Automotive Inc                  | Group 1 Automotive Inc                  | CUSIP: 398905109<br>LEI: 549300US8QAZJLWYAF63 | Long             | EC               | CORP              | US        |     21758 | NS      | $7193847.54   | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| ITT Inc                                 | ITT Inc                                 | CUSIP: 45073V108<br>LEI: 549300KDSERHTJOXUS80 | Long             | EC               | CORP              | US        |     49885 | NS      | $9504589.05   | 2.04%             |  |  |  | No            |                  1 | On Loan: No      |
| LPL Financial Holdings Inc              | LPL Financial Holdings Inc              | CUSIP: 50212V100<br>LEI: 549300XROQ4Y8G2L7682 | Long             | EC               | CORP              | US        |     34906 | NS      | $10500771.98  | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Eli Lilly & Co                          | Eli Lilly & Co                          | CUSIP: 532457108<br>LEI: FRDRIPF3EKNDJ2CQJL29 | Long             | EC               | CORP              | US        |      9629 | NS      | $8856465.33   | 1.90%             |  |  |  | No            |                  1 | On Loan: No      |
| MYR Group Inc                           | MYR Group Inc                           | CUSIP: 55405W104<br>LEI: 529900G1IMMZHOQ17I54 | Long             | EC               | CORP              | US        |     37186 | NS      | $10498351.52  | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| MACOM Technology Solutions Holdings Inc | MACOM Technology Solutions Holdings Inc | CUSIP: 55405Y100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     74288 | NS      | $16497136.16  | 3.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Matador Resources Co                    | Matador Resources Co                    | CUSIP: 576485205<br>LEI: 549300CI3Q2UUK5R4G79 | Long             | EC               | CORP              | US        |    112680 | NS      | $7119122.40   | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Netflix Inc                             | Netflix Inc                             | CUSIP: 64110L106<br>LEI: 549300Y7VHGU0I7CE873 | Long             | EC               | CORP              | US        |    125435 | NS      | $12060575.25  | 2.59%             |  |  |  | No            |                  1 | On Loan: No      |
| PJT Partners Inc                        | PJT Partners Inc                        | CUSIP: 69343T107<br>LEI: 549300W3WBEQUBKYTN87 | Long             | EC               | CORP              | US        |     51459 | NS      | $7189851.48   | 1.54%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners Inc         | Pinnacle Financial Partners Inc         | CUSIP: 72348N109<br>LEI: 54930098EZ8JMSAZGS24 | Long             | EC               | CORP              | US        |    138594 | NS      | $11938487.16  | 2.56%             |  |  |  | No            |                  1 | On Loan: No      |
| Everpure Inc                            | Everpure Inc                            | CUSIP: 74624M102<br>LEI: 549300NPDB0BZTK3WO90 | Long             | EC               | CORP              | US        |     67075 | NS      | $3960108.00   | 0.85%             |  |  |  | No            |                  1 | On Loan: No      |
| Sensient Technologies Corp              | Sensient Technologies Corp              | CUSIP: 81725T100<br>LEI: CMMZHMFZQG86EI7WZU92 | Long             | EC               | CORP              | US        |    100980 | NS      | $8728711.20   | 1.87%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp                       | Talen Energy Corp                       | CUSIP: 87422Q109<br>LEI: K5K33XN0PQAU1XF7NN66 | Long             | EC               | CORP              | US        |     35831 | NS      | $11438330.13  | 2.45%             |  |  |  | No            |                  1 | On Loan: No      |
| Tenet Healthcare Corp                   | Tenet Healthcare Corp                   | CUSIP: 88033G407<br>LEI: 0W9AIBT6U6ADJ2I8HK17 | Long             | EC               | CORP              | US        |     51904 | NS      | $9794803.84   | 2.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Thornburg Capital Management Fund       | Thornburg Capital Management Fund       | CUSIP: 885216739<br>LEI: 549300GLR0WG6ALV5277 | Long             | EC               | RF                | US        |   6865811 | NS      | $68658106.52  | 14.72%            |  |  |  | No            |                  1 | On Loan: No      |
| TransUnion                              | TransUnion                              | CUSIP: 89400J107<br>LEI: 549300ZS772LUNUMRB03 | Long             | EC               | CORP              | US        |    135552 | NS      | $9378842.88   | 2.01%             |  |  |  | No            |                  1 | On Loan: No      |
| Vanguard Small-Cap ETF                  | Vanguard Small-Cap ETF                  | CUSIP: 922908751<br>LEI: HZKQM2YGJWB4I8NIZL49 | Long             | EC               | RF                | US        |     57292 | NS      | $15005920.64  | 3.22%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertiv Holdings Co                      | Vertiv Holdings Co                      | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |     67710 | NS      | $16966771.80  | 3.64%             |  |  |  | No            |                  1 | On Loan: No      |
| Western Alliance Bancorp                | Western Alliance Bancorp                | CUSIP: 957638109<br>LEI: 5493003VJXZ5JXT9S762 | Long             | EC               | CORP              | US        |    157662 | NS      | $11170352.70  | 2.40%             |  |  |  | No            |                  1 | On Loan: No      |
| Wyndham Hotels & Resorts Inc            | Wyndham Hotels & Resorts Inc            | CUSIP: 98311A105<br>LEI: 549300FE3MQ4RVXXC673 | Long             | EC               | CORP              | US        |     95636 | NS      | $7768512.28   | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| XPO Inc                                 | XPO Inc                                 | CUSIP: 983793100<br>LEI: 54930096DB9LCLPN7H13 | Long             | EC               | CORP              | US        |     61748 | NS      | $12013073.40  | 2.58%             |  |  |  | No            |                  1 | On Loan: No      |
| Constellium SE                          | Constellium SE                          | CUSIP: 000000000<br>LEI: 724500KRJEMC79KAAU28 | Long             | EC               | CORP              | FR        |    204567 | NS      | $5028256.86   | 1.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Medtronic PLC                           | Medtronic PLC                           | CUSIP: 000000000<br>LEI: 549300GX3ZBSQWUXY261 | Long             | EC               | CORP              | IE        |     53584 | NS      | $4643053.60   | 1.00%             |  |  |  | No            |                  1 | On Loan: No      |
| Marex Group PLC                         | Marex Group PLC                         | CUSIP: 000000000<br>LEI: 549300DWX0SVICJAL507 | Long             | EC               | CORP              | GB        |    244845 | NS      | $10915190.10  | 2.34%             |  |  |  | No            |                  1 | On Loan: No      |
| SharkNinja Inc                          | SharkNinja Inc                          | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |    104169 | NS      | $11031497.10  | 2.37%             |  |  |  | No            |                  1 | On Loan: No      |
| TechnipFMC PLC                          | TechnipFMC PLC                          | CUSIP: 000000000<br>LEI: 549300D5I93QWCJTCK36 | Long             | EC               | CORP              | GB        |    210538 | NS      | $14554491.94  | 3.12%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2026-04-23

**Name of Applicant:** THORNBURG INVESTMENT TRUST

**Signature:** Christopher Luckham

**Name of Signer:** Christopher Luckham

**Title:** Senior Manager - Fund Administration