# EDGAR Filing Document

**Accession Number:** 0001763171
**File Stem:** 0001763171-26-000001
**Filing Date:** 2026-3
**Character Count:** 2373
**Document Hash:** f405d3af4421fb40b9f1b366e949b7a9
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001763171-26-000001.hdr.sgml**: 20260302

**ACCESSION NUMBER**: 0001763171-26-000001

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260302

**DATE AS OF CHANGE**: 20260302

**EFFECTIVENESS DATE**: 20260302

**PERIOD START**: 20250101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** QUANTLAB BROKERAGE, LLC
- **CENTRAL INDEX KEY:** 0001763171

**ORGANIZATION NAME:**
- **EIN:** 832040248
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-70274
- **FILM NUMBER:** 26708286

**BUSINESS ADDRESS:**
- **STREET 1:** 3 GREENWAY PLAZA
- **STREET 2:** SUITE 200
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046
- **BUSINESS PHONE:** 713-333-5456

**MAIL ADDRESS:**
- **STREET 1:** 3 GREENWAY PLAZA
- **STREET 2:** SUITE 200
- **CITY:** HOUSTON
- **STATE:** TX
- **ZIP:** 77046

### Attached PDF Documents

**Attachment 1:** `2025QLBASOFC.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:** 0001763171

**Filer CCC:** XXXXXXXX

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

**Would you like a Return Copy?:** Yes

### 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:** QUANTLAB BROKERAGE, LLC

**Business Address:** 3 GREENWAY PLAZA, SUITE 200, HOUSTON, TX, 77046

**Contact Person:** Victor Lee

**Contact Phone:** 7134005888

### Independent Public Accountant Identification

**Accountant Name:** Crowe LLP

**Accountant Address:** 485 Lexington Avenue, Floor 11, New York, NY, 10017-2619

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

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

**Signature:** Victor Lee

**Title:** Chief Financial Officer

**Notarized:** Yes