# EDGAR Filing Document

**Accession Number:** 0001905875
**File Stem:** 0001214659-26-004602
**Filing Date:** 2026-4
**Character Count:** 10128
**Document Hash:** 688a8568caa9ff1a18874e6f743097e4
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001214659-26-004602.hdr.sgml**: 20260413

**ACCESSION NUMBER**: 0001214659-26-004602

**CONFORMED SUBMISSION TYPE**: 13F-HR

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20260331

**FILED AS OF DATE**: 20260413

**DATE AS OF CHANGE**: 20260413

**EFFECTIVENESS DATE**: 20260413

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Conrad Siegel Investment Advisors, Inc.
- **CENTRAL INDEX KEY:** 0001905875

**ORGANIZATION NAME:**
- **EIN:** 010726056
- **STATE OF INCORPORATION:** PA
- **FISCAL YEAR END:** 0630

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-21518
- **FILM NUMBER:** 26857846

**BUSINESS ADDRESS:**
- **STREET 1:** 501 CORPORATE CIRCLE
- **STREET 2:** P.O. 5900
- **CITY:** HARRISBURG
- **STATE:** PA
- **ZIP:** 17110-0900
- **BUSINESS PHONE:** 7176525633

**MAIL ADDRESS:**
- **STREET 1:** 501 CORPORATE CIRCLE
- **STREET 2:** P.O. 5900
- **CITY:** HARRISBURG
- **STATE:** PA
- **ZIP:** 17110-0900

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 03-31-2026

**Check here if Amendment** [ ] **Amendment Number:** 

**This Amendment (Check only one.):** [ ] is a restatement.

[ ] adds new holdings entries.

**Institutional Investment Manager Filing this Report:**

**Name:** Conrad Siegel Investment Advisors Inc.<br>**Address:** 501 CORPORATE CIRCLE<br>P.O. 5900<br>HARRISBURG, PA 17110-0900

**Form 13F File Number:** 028-21518

The institutional investment manager filing this report and the person by whom it is signed hereby represent that the person signing the report is authorized to submit it, that all information contained herein is true, correct and complete, and that it is understood that all required items, statements, schedules, lists, and tables, are considered integral parts of this form.

**Person Signing this Report on Behalf of Reporting Manager:**

**Name:** Frank S Rhodes<br>**Title:** Chief Compliance Officer<br>**Phone:** 717-652-6533

**Signature, Place, and Date of Signing:**

/s/ Frank S Rhodes  Harrisburg, PA  04-13-2026<br>[Signature]  [City, State]  [Date]

**Report Type (Check only one.):**

[x] **13F HOLDINGS REPORT.** (Check here if all holdings of this reporting manager are reported in this report.)

[ ] **13F NOTICE.** (Check here if no holdings are reported in this report, and all holdings are reported by other reporting manager(s).)

[ ] **13F COMBINATION REPORT.** (Check here if a portion of the holdings for this reporting manager are reported in this report and a portion are reported by other reporting manager(s).)

### Form 13F Summary Page

**Report Summary:**

**Number of Other Included Managers:** 0

**Form 13F Information Table Entry Total:** 63

**Form 13F Information Table Value Total:** $554047161

      (round to nearest dollar)

**List of Other Included Managers:**

Provide a numbered list of the name(s) and Form 13F file number(s) of all institutional investment managers with respect to which this report is filed, other than the manager filing this report.

[If there are no entries in this list, state “NONE” and omit the column headings and list entries.]

**NONE**

### FORM 13F INFORMATION TABLE

---

|  |  |  |  |  |  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | VOTING AUTHORITY | VOTING AUTHORITY | VOTING AUTHORITY |
| NAME OF ISSUER | TITLE OF CLASS | CUSIP | FIGI | VALUE (x$1000) | SHRS OR PRN AMT | SH/PRN | PUT/CALL | INVESTMENT DISCRETION | OTHER MANAGER | SOLE | SHARED | NONE |
| ALPHABET INC | CAP STK CL A | 02079K305 |  | 2196383 | 7638 | SH |  | SOLE |  | 0 | 0 | 7638 |
| AMAZON COM INC | COM | 023135106 |  | 1569523 | 7536 | SH |  | SOLE |  | 0 | 0 | 7536 |
| AMERICAN CENTY ETF TR | US SML CP VALU | 025072877 |  | 3852500 | 34874 | SH |  | SOLE |  | 0 | 0 | 34874 |
| AMETEK INC | COM | 031100100 |  | 422504 | 1971 | SH |  | SOLE |  | 0 | 0 | 1971 |
| APPLE INC | COM | 037833100 |  | 2709984 | 10678 | SH |  | SOLE |  | 0 | 0 | 10678 |
| BERKSHIRE HATHAWAY INC DEL | CL B NEW | 084670702 |  | 286562 | 598 | SH |  | SOLE |  | 0 | 0 | 598 |
| BOEING CO | COM | 097023105 |  | 216147 | 1086 | SH |  | SOLE |  | 0 | 0 | 1086 |
| BROADCOM INC | COM | 11135F101 |  | 615615 | 1989 | SH |  | SOLE |  | 0 | 0 | 1989 |
| DIMENSIONAL ETF TRUST | US CORE EQUITY 2 | 25434V708 |  | 119776857 | 3082266 | SH |  | SOLE |  | 0 | 0 | 3082266 |
| DIMENSIONAL ETF TRUST | US TARGETED VLU | 25434V609 |  | 27511532 | 440537 | SH |  | SOLE |  | 0 | 0 | 440537 |
| DIMENSIONAL ETF TRUST | WORLD EX US CORE | 25434V880 |  | 24474145 | 720463 | SH |  | SOLE |  | 0 | 0 | 720463 |
| DIMENSIONAL ETF TRUST | EMERGING MKTS CO | 25434V732 |  | 10177391 | 294570 | SH |  | SOLE |  | 0 | 0 | 294570 |
| ELI LILLY  CO | COM | 532457108 |  | 316401 | 344 | SH |  | SOLE |  | 0 | 0 | 344 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 390048 | 2299 | SH |  | SOLE |  | 0 | 0 | 2299 |
| FIDELITY COVINGTON TRUST | MSCI UTILS INDEX | 316092865 |  | 4565850 | 77296 | SH |  | SOLE |  | 0 | 0 | 77296 |
| ISHARES INC | CORE MSCI EMKT | 46434G103 |  | 2337034 | 33506 | SH |  | SOLE |  | 0 | 0 | 33506 |
| ISHARES TR | 10-20 YR TRS ETF | 464288653 |  | 3814266 | 37870 | SH |  | SOLE |  | 0 | 0 | 37870 |
| ISHARES TR | 3 7 YR TREAS BD | 464288661 |  | 900251 | 7591 | SH |  | SOLE |  | 0 | 0 | 7591 |
| ISHARES TR | NATIONAL MUN ETF | 464288414 |  | 293399 | 2764 | SH |  | SOLE |  | 0 | 0 | 2764 |
| ISHARES TR | NEW YORK MUN ETF | 464288323 |  | 1328439 | 25008 | SH |  | SOLE |  | 0 | 0 | 25008 |
| ISHARES TR | SHRT NAT MUN ETF | 464288158 |  | 227338 | 2135 | SH |  | SOLE |  | 0 | 0 | 2135 |
| ISHARES TR | CORE MSCI EAFE | 46432F842 |  | 47066774 | 519903 | SH |  | SOLE |  | 0 | 0 | 519903 |
| ISHARES TR | INTL EQTY FACTOR | 46434V274 |  | 13944730 | 357924 | SH |  | SOLE |  | 0 | 0 | 357924 |
| ISHARES TR | U S EQUITY FACTR | 46434V282 |  | 35191539 | 533205 | SH |  | SOLE |  | 0 | 0 | 533205 |
| ISHARES TR | IBONDS DEC2026 | 46435GAA0 |  | 1699106 | 70095 | SH |  | SOLE |  | 0 | 0 | 70095 |
| ISHARES TR | IBONDS 27 ETF | 46435UAA9 |  | 1646998 | 67945 | SH |  | SOLE |  | 0 | 0 | 67945 |
| ISHARES TR | IBDS DEC28 ETF | 46435U515 |  | 1047775 | 41365 | SH |  | SOLE |  | 0 | 0 | 41365 |
| ISHARES TR | IBONDS DEC 29 | 46436E205 |  | 1088241 | 46786 | SH |  | SOLE |  | 0 | 0 | 46786 |
| ISHARES TR | IBONDS 29 TRM TS | 46436E825 |  | 261193 | 11958 | SH |  | SOLE |  | 0 | 0 | 11958 |
| ISHARES TR | IBONDS 26 TRM TS | 46436E858 |  | 610725 | 26652 | SH |  | SOLE |  | 0 | 0 | 26652 |
| ISHARES TR | IBONDS 27 TRM TS | 46436E841 |  | 603072 | 26887 | SH |  | SOLE |  | 0 | 0 | 26887 |
| ISHARES TR | IBONDS 28 TRM TS | 46436E833 |  | 218016 | 9784 | SH |  | SOLE |  | 0 | 0 | 9784 |
| ISHARES TR | IBONDS DEC 2030 | 46436E726 |  | 731489 | 33417 | SH |  | SOLE |  | 0 | 0 | 33417 |
| ISHARES TR | IBONDS DEC 2031 | 46436E486 |  | 642709 | 30708 | SH |  | SOLE |  | 0 | 0 | 30708 |
| J P MORGAN EXCHANGE TRADED F | MUNICIPAL ETF | 46641Q647 |  | 493627 | 9875 | SH |  | SOLE |  | 0 | 0 | 9875 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 252995 | 1035 | SH |  | SOLE |  | 0 | 0 | 1035 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 339602 | 1154 | SH |  | SOLE |  | 0 | 0 | 1154 |
| MCDONALDS CORP | COM | 580135101 |  | 253915 | 817 | SH |  | SOLE |  | 0 | 0 | 817 |
| META PLATFORMS INC | CL A | 30303M102 |  | 874215 | 1528 | SH |  | SOLE |  | 0 | 0 | 1528 |
| MICROSOFT CORP | COM | 594918104 |  | 1721661 | 4651 | SH |  | SOLE |  | 0 | 0 | 4651 |
| MORGAN STANLEY ETF TRUST | CALVERT INTERNAT | 61774R106 |  | 259455 | 3569 | SH |  | SOLE |  | 0 | 0 | 3569 |
| MORGAN STANLEY ETF TRUST | CALVERT US LARCP | 61774R205 |  | 554392 | 6925 | SH |  | SOLE |  | 0 | 0 | 6925 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 1570646 | 9006 | SH |  | SOLE |  | 0 | 0 | 9006 |
| PNC FINL SVCS GROUP INC | COM | 693475105 |  | 427001 | 2052 | SH |  | SOLE |  | 0 | 0 | 2052 |
| STATE STR SPDR S 500 ETF T | TR UNIT | 78462F103 |  | 354437 | 545 | SH |  | SOLE |  | 0 | 0 | 545 |
| TESLA INC | COM | 88160R101 |  | 344241 | 926 | SH |  | SOLE |  | 0 | 0 | 926 |
| VANGUARD BD INDEX FDS | INTERMED TERM | 921937819 |  | 12530508 | 162354 | SH |  | SOLE |  | 0 | 0 | 162354 |
| VANGUARD BD INDEX FDS | TOTAL BND MRKT | 921937835 |  | 930325 | 12633 | SH |  | SOLE |  | 0 | 0 | 12633 |
| VANGUARD CHARLOTTE FDS | TOTAL INT BD ETF | 92203J407 |  | 5850039 | 121749 | SH |  | SOLE |  | 0 | 0 | 121749 |
| VANGUARD INDEX FDS | TOTAL STK MKT | 922908769 |  | 867779 | 2705 | SH |  | SOLE |  | 0 | 0 | 2705 |
| VANGUARD INDEX FDS | EXTEND MKT ETF | 922908652 |  | 518960 | 2522 | SH |  | SOLE |  | 0 | 0 | 2522 |
| VANGUARD INDEX FDS | VALUE ETF | 922908744 |  | 895854 | 4566 | SH |  | SOLE |  | 0 | 0 | 4566 |
| VANGUARD INDEX FDS | MID CAP ETF | 922908629 |  | 35217010 | 122630 | SH |  | SOLE |  | 0 | 0 | 122630 |
| VANGUARD INDEX FDS | SM CP VAL ETF | 922908611 |  | 953573 | 4389 | SH |  | SOLE |  | 0 | 0 | 4389 |
| VANGUARD INDEX FDS | S 500 ETF SHS | 922908363 |  | 100679028 | 168486 | SH |  | SOLE |  | 0 | 0 | 168486 |
| VANGUARD INTL EQUITY INDEX F | FTSE EMR MKT ETF | 922042858 |  | 14648979 | 271026 | SH |  | SOLE |  | 0 | 0 | 271026 |
| VANGUARD MALVERN FDS | STRM INFPROIDX | 922020805 |  | 2758033 | 55216 | SH |  | SOLE |  | 0 | 0 | 55216 |
| VANGUARD SCOTTSDALE FDS | SHRT TRM CORP BD | 92206C409 |  | 9291448 | 117213 | SH |  | SOLE |  | 0 | 0 | 117213 |
| VANGUARD STAR FDS | VG TL INTL STK F | 921909768 |  | 215312 | 2792 | SH |  | SOLE |  | 0 | 0 | 2792 |
| VANGUARD TAX-MANAGED FDS | VAN FTSE DEV MKT | 921943858 |  | 40556843 | 632910 | SH |  | SOLE |  | 0 | 0 | 632910 |
| VANGUARD WORLD FD | UTILITIES ETF | 92204A876 |  | 629050 | 3175 | SH |  | SOLE |  | 0 | 0 | 3175 |
| VANGUARD WORLD FD | EXTENDED DUR | 921910709 |  | 7052021 | 108576 | SH |  | SOLE |  | 0 | 0 | 108576 |
| WALMART INC | COM | 931142103 |  | 271676 | 2186 | SH |  | SOLE |  | 0 | 0 | 2186 |

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