# EDGAR Filing Document

**Accession Number:** 0001649718
**File Stem:** 0001649718-23-000003
**Filing Date:** 2023-3
**Character Count:** 2435
**Document Hash:** bed6fa36555eb21a6cc7e3f78b5e1315
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001649718-23-000003.hdr.sgml**: 20230301

**ACCESSION NUMBER**: 0001649718-23-000003

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20221231

**FILED AS OF DATE**: 20230301

**DATE AS OF CHANGE**: 20230301

**EFFECTIVENESS DATE**: 20230301

**PERIOD START**: 20220101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** CITADEL SECURITIES INSTITUTIONAL LLC
- **CENTRAL INDEX KEY:** 0001649718
- **IRS NUMBER:** 261583831
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-69663
- **FILM NUMBER:** 23695778

**BUSINESS ADDRESS:**
- **STREET 1:** 200 SOUTH BISCAYNE BLVD
- **STREET 2:** SUITE 3300
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33131
- **BUSINESS PHONE:** 312-395-3116

**MAIL ADDRESS:**
- **STREET 1:** 200 SOUTH BISCAYNE BLVD
- **STREET 2:** SUITE 3300
- **CITY:** MIAMI
- **STATE:** FL
- **ZIP:** 33131

### Attached PDF Documents

**Attachment 1:** `CSIN_BS_Only_FS_2022.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:** 0001649718

**Filer CCC:** XXXXXXXX

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

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

### Submission Information

**Report Period Begin Date:** 01-01-2022

**Report Period End Date:** 12-31-2022

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** CITADEL SECURITIES INSTITUTIONAL LLC

**Business Address:** 200 SOUTH BISCAYNE BLVD, SUITE 3300, MIAMI, FL, 33131

**Contact Person:** Robert Martini

**Contact Phone:** 212-271-8736

### Independent Public Accountant Identification

**Accountant Name:** PricewaterhouseCoopers LLP

**Accountant Address:** 1 North Wacker Drive, Chicago, IL, 60606

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Michael Henry**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **CITADEL SECURITIES INSTITUTIONAL LLC**, as of **12-31-2022**, are true and correct.

**Signature:** Michael Henry

**Title:** Chief Accounting Officer

**Notarized:** Yes