# EDGAR Filing Document

**Accession Number:** 0001021478
**File Stem:** 0001021478-26-000008
**Filing Date:** 2026-6
**Character Count:** 2821
**Document Hash:** 7e1fbe91e69dbde8c173bca1fad457f4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001021478-26-000008.hdr.sgml**: 20260629

**ACCESSION NUMBER**: 0001021478-26-000008

**CONFORMED SUBMISSION TYPE**: X-17A-5

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260629

**DATE AS OF CHANGE**: 20260629

**EFFECTIVENESS DATE**: 20260629

**PERIOD START**: 20250101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** SANTANDER SECURITIES LLC
- **CENTRAL INDEX KEY:** 0001021478

**ORGANIZATION NAME:**
- **EIN:** 660534068
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-49571
- **FILM NUMBER:** 261132972

**BUSINESS ADDRESS:**
- **STREET 1:** 75 STATE STREET
- **STREET 2:** MAIL CODE: MA-SST-INV3
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-474-5426

**MAIL ADDRESS:**
- **STREET 1:** 75 STATE STREET
- **STREET 2:** MAIL CODE: MA-SST-INV3
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SANTANDER SECURITIES CORPORATION
- **DATE OF NAME CHANGE:** 20020222

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SANTANDER SECURITIES CORP                               /BD
- **DATE OF NAME CHANGE:** 20020222

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** SANTANDER SECURITIES CORP OF PUERTO RICO                /BD
- **DATE OF NAME CHANGE:** 20010207

### Attached PDF Documents

**Attachment 1:** `SSLLC_2025-Audited2.pdf`

_No text found in this document._

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM X-17A-5

### ANNUAL AUDITED REPORT

### Filer Information

**Filer CIK:** 0001021478

**Filer CCC:** XXXXXXXX

**Is this a LIVE or TEST filing?:** LIVE

**Would you like a Return Copy?:** No

### Submission Information

**Report Period Begin Date:** 01-01-2025

**Report Period End Date:** 12-31-2025

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** SANTANDER SECURITIES LLC

**Business Address:** 75 STATE STREET, MAIL CODE: MA-SST-INV3, BOSTON, MA, 02109

**Contact Person:** Daniel Bowler

**Contact Phone:** 332-465-4805

### Independent Public Accountant Identification

**Accountant Name:** PricewaterhouseCoopers LLP

**Accountant Address:** 101 Seaport Blvd, Boston, MA, 02210

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Daniel Bowler**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **SANTANDER SECURITIES LLC**, as of **12-31-2025**, are true and correct.

**Signature:** Daniel Bowler

**Title:** Chief Financial Officer, SSLLC