# EDGAR Filing Document

**Accession Number:** 0001002599
**File Stem:** 0001002599-26-000003
**Filing Date:** 2026-3
**Character Count:** 2692
**Document Hash:** 8551be40b9be94d612731ae899bf6714
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001002599-26-000003.hdr.sgml**: 20260302

**ACCESSION NUMBER**: 0001002599-26-000003

**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:** CAMBRIDGE INVESTMENT RESEARCH, INC.
- **CENTRAL INDEX KEY:** 0001002599

**ORGANIZATION NAME:**
- **EIN:** 421445429
- **STATE OF INCORPORATION:** IA
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-48740
- **FILM NUMBER:** 26709890

**BUSINESS ADDRESS:**
- **STREET 1:** 1776 PLEASANT PLAIN RD.
- **CITY:** FAIRFIELD
- **STATE:** IA
- **ZIP:** 52556-8757
- **BUSINESS PHONE:** 641-472-5100

**MAIL ADDRESS:**
- **STREET 1:** 1776 PLEASANT PLAIN RD.
- **STREET 2:** PO BOX 625
- **CITY:** FAIRFIELD
- **STATE:** IA
- **ZIP:** 52556-8757

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** CAMBRIDGE INVESTMENT RESEARCH INC                       /BD
- **DATE OF NAME CHANGE:** 20020212

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FAIRFIELD GLOBAL INVESTMENTS INC                        /BD
- **DATE OF NAME CHANGE:** 19951204

### Attached PDF Documents

**Attachment 1:** `3cirpublic.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:** 0001002599

**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:** CAMBRIDGE INVESTMENT RESEARCH, INC.

**Business Address:** 1776 PLEASANT PLAIN RD., FAIRFIELD, IA, 52556-8757

**Contact Person:** Carla Stone

**Contact Phone:** 641-472-5100

### Independent Public Accountant Identification

**Accountant Name:** RSM US LLP

**Accountant Address:** 201 1st SE, Suite 800, Cedar Rapids, IA, 52401

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Carla Stone**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **CAMBRIDGE INVESTMENT RESEARCH, INC.**, as of **12-31-2025**, are true and correct.

**Signature:** Carla Stone

**Title:** First Vice President, Finance & CAO