Company: TSI
Filing Date: 2025-12-18
Form Type: N-2/A
Source: 0001193125-25-324429
Chunk: 0

Company: TCW STRATEGIC INCOME FUND INC
Filing Date: 2025-12-18
Form: N-2/A
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As filed with the Securities and Exchange Commission on December 18, 2025 Securities Act Registration No. 333-289452 Investment Company Registration No. 811-04980 UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM N-2 REGISTRATION STATEMENT UNDER

| THE SECURITIES ACT OF 1933         |     | ☒ |
| Pre-Effective AmendmentNo.2        |     | ☒ |
| Post-Effective Amendment No.       |     | ☐ |
| and/or                             |     |   |
| REGISTRATION STATEMENT UNDER       |     |   |
| THE INVESTMENT COMPANY ACT OF 1940 |     | ☒ |
| Amendment No.2                     |     | ☒ |

TCW Strategic Income Fund, Inc. (Exact Name of Registrant as Specified in Charter) 515 South Flower Street, Los Angeles, CA 90071 (Address of Principal Executive Offices) (Number, Street, City, State, Zip Code) ( 214) 244-0000 (Registrant’s Telephone Number, Including Area Code) Peter Davidson, Esq. TCW Strategic Income Fund, Inc. 515 South Flower Street, Los Angeles, CA 90071 (Name and Address (Number, Street, City, Zip Code) of Agent for Service) Copies of Communication to: Brian McCabe, Esq. Adam Schlichtmann, Esq. Ropes & Gray LLP 800 Boylston Street Boston, MA 02119 Approximate Date of Proposed Public Offering: As soon as practicable after the effective date of this Registration Statement. If the only securities being registered on this Form are being offered pursuant to dividend or interest reinvestment plans, check the following box ☐ If any securities being registered on this Form will be offered on a delayed or continuous basis in reliance on Rule 415 under the Securities Act of 1933 (“Securities Act”), other than securities offered in connection with a dividend reinvestment plan, check the following box. ☒ If this Form is a registration statement pursuant to General Instruction A.2 or a post-effective amendment thereto, check the following box ☒ If this Form is a registration statement pursuant to General Instruction B or a post-effective amendment thereto that will become effective upon filing with the Commission pursuant to Rule 462(e) under the Securities Act, check the following box ☐ If this Form is a post-effective amendment to a registration statement filed pursuant to General Instruction B to