# EDGAR Filing Document

**Accession Number:** 0000816153
**File Stem:** 0001410368-25-029181
**Filing Date:** 2025-11
**Character Count:** 20199
**Document Hash:** 3c57ca859e50c41a6bb70b0fa803d619
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001410368-25-029181.hdr.sgml**: 20251124

**ACCESSION NUMBER**: 0001410368-25-029181

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251124

**DATE AS OF CHANGE**: 20251124

**PERIOD START**: 20250930

**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:** 251510256

**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 Small/Mid Cap Core Fund (Series ID: S000011846)

| Class ID   | Class Name                                   | Ticker Symbol   |
|:---|:---|:---|
| C000032361 | Thornburg Small/Mid Cap Core Fund - Class A  | TVAFX           |
| C000032363 | Thornburg Small/Mid Cap Core Fund - Class C  | TVCFX           |
| C000032364 | Thornburg Small/Mid Cap Core Fund - Class I  | TVIFX           |
| C000032366 | Thornburg Small/Mid Cap Core Fund - Class R5 | TVRRX           |
| C000042669 | Thornburg Small/Mid Cap Core Fund - Class R4 | TVIRX           |
| C000042670 | Thornburg Small/Mid Cap Core Fund - Class R3 | TVRFX           |

## 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 Small/Mid Cap Core Fund

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

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

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

- **a. Date of fiscal year-end:** 2025-09-30

- **b. Date as of which information is reported:** 2025-09-30

**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:** $486945999.51

**Total Liabilities:** $2021909.06

**Net Assets:** $484924090.45

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000032364 | 2.22%                | 0.77%                | -0.46%               |
| Class ID C000032366 | 2.22%                | 0.79%                | -0.46%               |
| Class ID C000042670 | 2.18%                | 0.76%                | -0.50%               |
| Class ID C000032361 | 2.17%                | 0.75%                | -0.51%               |
| Class ID C000032363 | 2.10%                | 0.65%                | -0.57%               |
| Class ID C000042669 | 2.21%                | 0.76%                | -0.49%               |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $1472364.25              | $9556659.08                                |
| Month 2  | $10314186.35             | $-6628428.88                               |
| Month 3  | $1120500.50              | $-3263198.11                               |

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| Pure Storage Inc                        | Pure Storage Inc                        | CUSIP: 74624M102<br>LEI: 549300NPDB0BZTK3WO90 | Long             | EC               | CORP              | US        |    131571 | NS      | $11026965.51  | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Sensient Technologies Corp              | Sensient Technologies Corp              | CUSIP: 81725T100<br>LEI: CMMZHMFZQG86EI7WZU92 | Long             | EC               | CORP              | US        |    125693 | NS      | $11796288.05  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| Assurant Inc                            | Assurant Inc                            | CUSIP: 04621X108<br>LEI: H3F39CAXWQRVWURFXL38 | Long             | EC               | CORP              | US        |     50792 | NS      | $11001547.20  | 2.27%             |  |  |  | No            |                  1 | On Loan: No      |
| Marex Group PLC                         | Marex Group PLC                         | CUSIP: 000000000<br>LEI: 549300DWX0SVICJAL507 | Long             | EC               | CORP              | GB        |    389810 | NS      | $13105412.20  | 2.70%             |  |  |  | No            |                  1 | On Loan: No      |
| Walker & Dunlop Inc                     | Walker & Dunlop Inc                     | CUSIP: 93148P102<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    153862 | NS      | $12865940.44  | 2.65%             |  |  |  | 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        |     84278 | NS      | $10491768.22  | 2.16%             |  |  |  | No            |                  1 | On Loan: No      |
| BioMarin Pharmaceutical Inc             | BioMarin Pharmaceutical Inc             | CUSIP: 09061G101<br>LEI: NSLL8ITTRR0J5HEMR848 | Long             | EC               | CORP              | US        |     73145 | NS      | $3961533.20   | 0.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Applied Industrial Technologies Inc     | Applied Industrial Technologies Inc     | CUSIP: 03820C105<br>LEI: 549300NU173IJRC6PO38 | Long             | EC               | CORP              | US        |     53468 | NS      | $13957821.40  | 2.88%             |  |  |  | No            |                  1 | On Loan: No      |
| Casey's General Stores Inc              | Casey's General Stores Inc              | CUSIP: 147528103<br>LEI: 549300CAFWSI86V66Q65 | Long             | EC               | CORP              | US        |      8857 | NS      | $5007039.24   | 1.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Coherent Corp                           | Coherent Corp                           | CUSIP: 19247G107<br>LEI: 549300O5C25A0MMHHU33 | Long             | EC               | CORP              | US        |    122827 | NS      | $13230924.44  | 2.73%             |  |  |  | No            |                  1 | On Loan: No      |
| Group 1 Automotive Inc                  | Group 1 Automotive Inc                  | CUSIP: 398905109<br>LEI: 549300US8QAZJLWYAF63 | Long             | EC               | CORP              | US        |     23109 | NS      | $10110418.59  | 2.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Talen Energy Corp                       | Talen Energy Corp                       | CUSIP: 87422Q109<br>LEI: K5K33XN0PQAU1XF7NN66 | Long             | EC               | CORP              | US        |     37603 | NS      | $15995564.14  | 3.30%             |  |  |  | No            |                  1 | On Loan: No      |
| DT Midstream Inc                        | DT Midstream Inc                        | CUSIP: 23345M107<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     96751 | NS      | $10938668.06  | 2.26%             |  |  |  | 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        |    117096 | NS      | $10919202.00  | 2.25%             |  |  |  | No            |                  1 | On Loan: No      |
| Western Alliance Bancorp                | Western Alliance Bancorp                | CUSIP: 957638109<br>LEI: 5493003VJXZ5JXT9S762 | Long             | EC               | CORP              | US        |    157662 | NS      | $13672448.64  | 2.82%             |  |  |  | No            |                  1 | On Loan: No      |
| Vertiv Holdings Co                      | Vertiv Holdings Co                      | CUSIP: 92537N108<br>LEI: 549300KTTIRAOGXCRV69 | Long             | EC               | CORP              | US        |     85654 | NS      | $12921762.44  | 2.66%             |  |  |  | No            |                  1 | On Loan: No      |
| Arcosa Inc                              | Arcosa Inc                              | CUSIP: 039653100<br>LEI: 549300WFHLTCZV7D6V29 | Long             | EC               | CORP              | US        |    105067 | NS      | $9845828.57   | 2.03%             |  |  |  | No            |                  1 | On Loan: No      |
| Kite Realty Group Trust                 | Kite Realty Group Trust                 | CUSIP: 49803T300<br>LEI: 549300OVTYLM7DH6CM14 | Long             | EC               |  | US        |    337843 | NS      | $7533898.90   | 1.55%             |  |  |  | No            |                  1 | On Loan: No      |
| Thornburg Capital Management Fund       | Thornburg Capital Management Fund       | CUSIP: 885216739<br>LEI: 549300GLR0WG6ALV5277 | Long             | EC               | RF                | US        |    323611 | NS      | $3236106.40   | 0.67%             |  |  |  | No            |                  1 | On Loan: No      |
| ServiceTitan Inc                        | ServiceTitan Inc                        | CUSIP: 81764X103<br>LEI: N/A                  | Long             | EC               | CORP              | US        |     80168 | NS      | $8083339.44   | 1.67%             |  |  |  | No            |                  1 | On Loan: No      |
| Adtalem Global Education Inc            | Adtalem Global Education Inc            | CUSIP: 00737L103<br>LEI: 549300Z467EZLMODV621 | Long             | EC               | CORP              | US        |     81925 | NS      | $12653316.25  | 2.61%             |  |  |  | No            |                  1 | On Loan: No      |
| MYR Group Inc                           | MYR Group Inc                           | CUSIP: 55405W104<br>LEI: 529900G1IMMZHOQ17I54 | Long             | EC               | CORP              | US        |     63451 | NS      | $13199711.53  | 2.72%             |  |  |  | No            |                  1 | On Loan: No      |
| TransUnion                              | TransUnion                              | CUSIP: 89400J107<br>LEI: 549300ZS772LUNUMRB03 | Long             | EC               | CORP              | US        |    126800 | NS      | $10623304.00  | 2.19%             |  |  |  | No            |                  1 | On Loan: No      |
| Nutanix Inc                             | Nutanix Inc                             | CUSIP: 67059N108<br>LEI: 549300X7J6E8TKVIXW09 | Long             | EC               | CORP              | US        |    165360 | NS      | $12301130.40  | 2.54%             |  |  |  | No            |                  1 | On Loan: No      |
| PJT Partners Inc                        | PJT Partners Inc                        | CUSIP: 69343T107<br>LEI: 549300W3WBEQUBKYTN87 | Long             | EC               | CORP              | US        |     39230 | NS      | $6972347.90   | 1.44%             |  |  |  | No            |                  1 | On Loan: No      |
| Crane NXT Co                            | Crane NXT Co                            | CUSIP: 224441105<br>LEI: 549300EXNPSXEWUD3N21 | Long             | EC               | CORP              | US        |    142960 | NS      | $9588327.20   | 1.98%             |  |  |  | No            |                  1 | On Loan: No      |
| Pinnacle Financial Partners Inc         | Pinnacle Financial Partners Inc         | CUSIP: 72346Q104<br>LEI: 54930098EZ8JMSAZGS24 | Long             | EC               | CORP              | US        |    138594 | NS      | $12998731.26  | 2.68%             |  |  |  | No            |                  1 | On Loan: No      |
| SunOpta Inc                             | SunOpta Inc                             | CUSIP: 8676EP108<br>LEI: 54930010CP0KEPPRPA40 | Long             | EC               | CORP              | CA        |   1997688 | NS      | $11706451.68  | 2.41%             |  |  |  | No            |                  1 | On Loan: No      |
| TXNM Energy Inc                         | TXNM Energy Inc                         | CUSIP: 69349H107<br>LEI: 5493003JOBJGLZSDDQ28 | Long             | EC               | CORP              | US        |    207615 | NS      | $11740628.25  | 2.42%             |  |  |  | No            |                  1 | On Loan: No      |
| Verra Mobility Corp                     | Verra Mobility Corp                     | CUSIP: 92511U102<br>LEI: 549300XX5EKGLR0M4152 | Long             | EC               | CORP              | US        |    294350 | NS      | $7270445.00   | 1.50%             |  |  |  | No            |                  1 | On Loan: No      |
| TechnipFMC PLC                          | TechnipFMC PLC                          | CUSIP: 000000000<br>LEI: 549300D5I93QWCJTCK36 | Long             | EC               | CORP              | GB        |    322317 | NS      | $12715405.65  | 2.62%             |  |  |  | No            |                  1 | On Loan: No      |
| Ducommun Inc                            | Ducommun Inc                            | CUSIP: 264147109<br>LEI: 549300Z71HMWF90S2214 | Long             | EC               | CORP              | US        |    129861 | NS      | $12483537.93  | 2.57%             |  |  |  | No            |                  1 | On Loan: No      |
| Agilysys Inc                            | Agilysys Inc                            | CUSIP: 00847J105<br>LEI: 5299001XWB5V3B5IPN93 | Long             | EC               | CORP              | US        |    111876 | NS      | $11774949.00  | 2.43%             |  |  |  | No            |                  1 | On Loan: No      |
| ITT Inc                                 | ITT Inc                                 | CUSIP: 45073V108<br>LEI: 549300KDSERHTJOXUS80 | Long             | EC               | CORP              | US        |     73025 | NS      | $13053949.00  | 2.69%             |  |  |  | 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        |    903811 | NS      | $8233718.21   | 1.70%             |  |  |  | No            |                  1 | On Loan: No      |
| LPL Financial Holdings Inc              | LPL Financial Holdings Inc              | CUSIP: 50212V100<br>LEI: 549300XROQ4Y8G2L7682 | Long             | EC               | CORP              | US        |     28070 | NS      | $9338608.30   | 1.93%             |  |  |  | No            |                  1 | On Loan: No      |
| Casella Waste Systems Inc               | Casella Waste Systems Inc               | CUSIP: 147448104<br>LEI: 8EU0XUFVJ48U37IIDH51 | Long             | EC               | CORP              | US        |    157294 | NS      | $14924054.72  | 3.08%             |  |  |  | No            |                  1 | On Loan: No      |
| Tenet Healthcare Corp                   | Tenet Healthcare Corp                   | CUSIP: 88033G407<br>LEI: 0W9AIBT6U6ADJ2I8HK17 | Long             | EC               | CORP              | US        |     61448 | NS      | $12476401.92  | 2.57%             |  |  |  | No            |                  1 | On Loan: No      |
| XPO Inc                                 | XPO Inc                                 | CUSIP: 983793100<br>LEI: 54930096DB9LCLPN7H13 | Long             | EC               | CORP              | US        |     81415 | NS      | $10524517.05  | 2.17%             |  |  |  | No            |                  1 | On Loan: No      |
| Avantor Inc                             | Avantor Inc                             | CUSIP: 05352A100<br>LEI: N/A                  | Long             | EC               | CORP              | US        |    426961 | NS      | $5328473.28   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Matador Resources Co                    | Matador Resources Co                    | CUSIP: 576485205<br>LEI: 549300CI3Q2UUK5R4G79 | Long             | EC               | CORP              | US        |    112680 | NS      | $5062712.40   | 1.04%             |  |  |  | No            |                  1 | On Loan: No      |
| Builders FirstSource Inc                | Builders FirstSource Inc                | CUSIP: 12008R107<br>LEI: 549300W0SKP6L3H7DP63 | Long             | EC               | CORP              | US        |     61365 | NS      | $7440506.25   | 1.53%             |  |  |  | No            |                  1 | On Loan: No      |
| Clean Harbors Inc                       | Clean Harbors Inc                       | CUSIP: 184496107<br>LEI: 5493000SJVZVZJKHJF48 | Long             | EC               | CORP              | US        |     58240 | NS      | $13524492.80  | 2.79%             |  |  |  | No            |                  1 | On Loan: No      |
| Deckers Outdoor Corp                    | Deckers Outdoor Corp                    | CUSIP: 243537107<br>LEI: 5493008LG4W3I6K8J118 | Long             | EC               | CORP              | US        |     52699 | NS      | $5342097.63   | 1.10%             |  |  |  | No            |                  1 | On Loan: No      |
| Wyndham Hotels & Resorts Inc            | Wyndham Hotels & Resorts Inc            | CUSIP: 98311A105<br>LEI: 549300FE3MQ4RVXXC673 | Long             | EC               | CORP              | US        |    112016 | NS      | $8950078.40   | 1.85%             |  |  |  | No            |                  1 | On Loan: No      |
| SharkNinja Inc                          | SharkNinja Inc                          | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | KY        |     99598 | NS      | $10273533.70  | 2.12%             |  |  |  | No            |                  1 | On Loan: No      |
| Repay Holdings Corp                     | Repay Holdings Corp                     | CUSIP: 76029L100<br>LEI: 2549006EJ42T73ZKUI98 | Long             | EC               | CORP              | US        |   1043772 | NS      | $5458927.56   | 1.13%             |  |  |  | No            |                  1 | On Loan: No      |

### Signature

**Date Signed:** 2025-10-17

**Name of Applicant:** THORNBURG INVESTMENT TRUST

**Signature:** Christopher Luckham

**Name of Signer:** Christopher Luckham

**Title:** Manager - Fund Admin