# EDGAR Filing Document

**Accession Number:** 0001729876
**File Stem:** 0001729876-26-000003
**Filing Date:** 2026-4
**Character Count:** 2579
**Document Hash:** 3690e30205a28b3eea094c83f51e6621
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001729876-26-000003.hdr.sgml**: 20260407

**ACCESSION NUMBER**: 0001729876-26-000003

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

**PUBLIC DOCUMENT COUNT**: 4

**CONFORMED PERIOD OF REPORT**: 20241231

**FILED AS OF DATE**: 20260407

**DATE AS OF CHANGE**: 20260407

**EFFECTIVENESS DATE**: 20260407

**PERIOD START**: 20240101

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** MILLIMAN INVESTMENT MANAGEMENT SERVICES LLC
- **CENTRAL INDEX KEY:** 0001729876

**ORGANIZATION NAME:**
- **EIN:** 822722845
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** X-17A-5
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 008-70078
- **FILM NUMBER:** 26845916

**BUSINESS ADDRESS:**
- **STREET 1:** 71 S. WACKER DRIVE
- **STREET 2:** 31ST FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606
- **BUSINESS PHONE:** 312-577-2915

**MAIL ADDRESS:**
- **STREET 1:** 71 S. WACKER DRIVE
- **STREET 2:** 31ST FLOOR
- **CITY:** CHICAGO
- **STATE:** IL
- **ZIP:** 60606

### Attached PDF Documents

**Attachment 1:** `2024receiptconfirmation1.pdf`

_No text found in this document._

**Attachment 2:** `confidentialauditmims20241.pdf`

_No text found in this document._

**Attachment 3:** `finalpublicauditmims20241.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:** 0001729876

**Filer CCC:** XXXXXXXX

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

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

### Submission Information

**Report Period Begin Date:** 01-01-2024

**Report Period End Date:** 12-31-2024

**Type of Registrant:** Broker-dealer

**Any material weaknesses identified?:** No

### Registrant Identification

**Name of Broker-Dealer:** MILLIMAN INVESTMENT MANAGEMENT SERVICES LLC

**Business Address:** 71 S. WACKER DRIVE, 31ST FLOOR, CHICAGO, IL, 60606

**Contact Person:** Connor Cassidy

**Contact Phone:** 3122793020

### Independent Public Accountant Identification

**Accountant Name:** Moss Adams

**Accountant Address:** 999 Third Avenue, Seattle, WA, 98104

**Accountant Type:** Certified Public Accountant

### OATH OR AFFIRMATION

I, **Connor Cassidy**, swear (or affirm) that, to the best of my knowledge and belief, the accompanying financial statements and supporting schedules pertaining to the firm of **MILLIMAN INVESTMENT MANAGEMENT SERVICES LLC**, as of **12-31-2024**, are true and correct.

**Signature:** Connor Cassidy

**Title:** CEO