# EDGAR Filing Document

**Accession Number:** 0001694284
**File Stem:** 0001694284-26-000004
**Filing Date:** 2026-2
**Character Count:** 11849
**Document Hash:** c60cef4e5771c58d810dafa498dc4632
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001694284-26-000004.hdr.sgml**: 20260209

**ACCESSION NUMBER**: 0001694284-26-000004

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260209

**DATE AS OF CHANGE**: 20260209

**EFFECTIVENESS DATE**: 20260209

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Tandem Investment Advisors, Inc.
- **CENTRAL INDEX KEY:** 0001694284

**ORGANIZATION NAME:**
- **EIN:** 541562552
- **STATE OF INCORPORATION:** SC
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-17677
- **FILM NUMBER:** 26610517

**BUSINESS ADDRESS:**
- **STREET 1:** 145 KING STREET
- **STREET 2:** SUITE 400
- **CITY:** CHARLESTON
- **STATE:** SC
- **ZIP:** 29401
- **BUSINESS PHONE:** 8437203413

**MAIL ADDRESS:**
- **STREET 1:** 145 KING STREET
- **STREET 2:** SUITE 400
- **CITY:** CHARLESTON
- **STATE:** SC
- **ZIP:** 29401

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 12-31-2025

**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:** Tandem Investment Advisors Inc.<br>**Address:** 145 KING STREET<br>SUITE 400<br>CHARLESTON, SC 29401

**Form 13F File Number:** 028-17677

**CRD Number (if applicable):** 000109392

**SEC File Number (if applicable):** 801-57846

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:** Ben Carew<br>**Title:** Vice President<br>**Phone:** 843-720-3413

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

Ben Carew  Charleston, SC  02-09-2026<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:** 83

**Form 13F Information Table Value Total:** $2685412564

      (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 |
| ABBOTT LABORATORIES | COM | 002824100 |  | 124393425 | 992844 | SH |  | SOLE |  | 992844 | 0 | 0 |
| ABBVIE INC COM | COM | 00287Y109 |  | 1875903 | 8210 | SH |  | SOLE |  | 8210 | 0 | 0 |
| ACCENTURE PLC IRELAND SHS CLAS | COM | G1151C101 |  | 103224132 | 384734 | SH |  | SOLE |  | 384734 | 0 | 0 |
| ADOBE SYS INC COM | COM | 00724F101 |  | 4766864 | 13620 | SH |  | SOLE |  | 13620 | 0 | 0 |
| AKAMAI TECHNOLOGIES INC | COM | 00971T101 |  | 2685904 | 30784 | SH |  | SOLE |  | 30784 | 0 | 0 |
| ALPHABET INC CL A | COM | 38259p508 |  | 383425 | 1225 | SH |  | SOLE |  | 1225 | 0 | 0 |
| ALPHABET INC CL C | COM | 38259p706 |  | 613479 | 1955 | SH |  | SOLE |  | 1955 | 0 | 0 |
| ALTRIA GROUP INC | COM | 02209S103 |  | 346652 | 6012 | SH |  | SOLE |  | 6012 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 |  | 392163 | 1699 | SH |  | SOLE |  | 1699 | 0 | 0 |
| AMERISOURCEBERGEN CORP COM | COM | 03073E105 |  | 319849 | 947 | SH |  | SOLE |  | 947 | 0 | 0 |
| AMPHENOL CORP NEW CL A | COM | 032095101 |  | 128043528 | 947488 | SH |  | SOLE |  | 947488 | 0 | 0 |
| APPLE COMPUTER INC COM | COM | 037833100 |  | 952597 | 3504 | SH |  | SOLE |  | 3504 | 0 | 0 |
| AUTOMATIC DATA PROCESSING | COM | 053015103 |  | 84896446 | 330041 | SH |  | SOLE |  | 330041 | 0 | 0 |
| BADGER METER INC COM | COM | 056525108 |  | 483290 | 2771 | SH |  | SOLE |  | 2771 | 0 | 0 |
| BECTON DICKINSON  CO COM | COM | 075887109 |  | 47920347 | 246923 | SH |  | SOLE |  | 246923 | 0 | 0 |
| BERKSHIRE HATHAWAY B | COM | 084670207 |  | 251828 | 501 | SH |  | SOLE |  | 501 | 0 | 0 |
| BLACKROCK INC COM | COM | 09247X101 |  | 74128537 | 69257 | SH |  | SOLE |  | 69257 | 0 | 0 |
| BLACKSTONE GROUP L P COM UNIT | COM | 09260d107 |  | 546426 | 3545 | SH |  | SOLE |  | 3545 | 0 | 0 |
| BROADRIDGE FINL SOLUTI COM | COM | 11133T103 |  | 33827885 | 151579 | SH |  | SOLE |  | 151579 | 0 | 0 |
| BROWN  BROWN INC | COM | 115236101 |  | 102957895 | 1291818 | SH |  | SOLE |  | 1291818 | 0 | 0 |
| CATERPILLAR INC DEL COM | COM | 149123101 |  | 224565 | 392 | SH |  | SOLE |  | 392 | 0 | 0 |
| CBOE HLDGS INC COM | COM | 12503M108 |  | 2056443 | 8193 | SH |  | SOLE |  | 8193 | 0 | 0 |
| CHEVRON CORP | COM | 166764100 |  | 390474 | 2562 | SH |  | SOLE |  | 2562 | 0 | 0 |
| CHURCH  DWIGHT INC COM | COM | 171340102 |  | 66889912 | 797733 | SH |  | SOLE |  | 797733 | 0 | 0 |
| COCA COLA CO COM | COM | 191216100 |  | 623178 | 8914 | SH |  | SOLE |  | 8914 | 0 | 0 |
| CORTEVA INC COM | COM | 22052l104 |  | 239967 | 3580 | SH |  | SOLE |  | 3580 | 0 | 0 |
| COSTCO WHOLESALE CORP | COM | 22160K105 |  | 43799111 | 50791 | SH |  | SOLE |  | 50791 | 0 | 0 |
| DISNEY WALT CO COM | COM | 254687106 |  | 215139 | 1891 | SH |  | SOLE |  | 1891 | 0 | 0 |
| DUKE ENERGY CORP NEW | COM | 26441C204 |  | 321624 | 2744 | SH |  | SOLE |  | 2744 | 0 | 0 |
| EATON CORP PLC SHS | COM | g29183103 |  | 273600 | 859 | SH |  | SOLE |  | 859 | 0 | 0 |
| EXLSERVICE HOLDINGS IN COM | COM | 302081104 |  | 3125069 | 73635 | SH |  | SOLE |  | 73635 | 0 | 0 |
| EXPEDITORS INTL WASH | COM | 302130109 |  | 48913427 | 328256 | SH |  | SOLE |  | 328256 | 0 | 0 |
| FACTSET RESH SYS INC COM | COM | 303075105 |  | 372314 | 1283 | SH |  | SOLE |  | 1283 | 0 | 0 |
| FASTENAL COMPANY | COM | 311900104 |  | 486857 | 12132 | SH |  | SOLE |  | 12132 | 0 | 0 |
| FORTINET INC COM | COM | 34959e109 |  | 3592747 | 45243 | SH |  | SOLE |  | 45243 | 0 | 0 |
| GARTNER INC COM | COM | 366651107 |  | 236386 | 937 | SH |  | SOLE |  | 937 | 0 | 0 |
| GENERAL ELEC CO COM | COM | 369604103 |  | 369944 | 1201 | SH |  | SOLE |  | 1201 | 0 | 0 |
| GENPACT LIMITED SHS | COM | g3922b107 |  | 132010026 | 2821933 | SH |  | SOLE |  | 2821933 | 0 | 0 |
| GRAINGER W W INC COM | COM | 384802104 |  | 220982 | 219 | SH |  | SOLE |  | 219 | 0 | 0 |
| HENRY JACK  ASSOC INC COM | COM | 426281101 |  | 118574774 | 649796 | SH |  | SOLE |  | 649796 | 0 | 0 |
| HOME DEPOT INC COM | COM | 437076102 |  | 425996 | 1238 | SH |  | SOLE |  | 1238 | 0 | 0 |
| ICON PLC SHS | COM | g4705a100 |  | 251281 | 1379 | SH |  | SOLE |  | 1379 | 0 | 0 |
| IDEXX LABS INC COM | COM | 45168D104 |  | 7702294 | 11385 | SH |  | SOLE |  | 11385 | 0 | 0 |
| INTERCONTINENTAL EXCHANGE INC | COM | 45866F104 |  | 132016835 | 815120 | SH |  | SOLE |  | 815120 | 0 | 0 |
| INTUIT COM | COM | 461202103 |  | 92235361 | 139240 | SH |  | SOLE |  | 139240 | 0 | 0 |
| INTUITIVE SURGICAL INC COM NEW | COM | 46120e602 |  | 6096865 | 10765 | SH |  | SOLE |  | 10765 | 0 | 0 |
| JOHNSON  JOHNSON COM | COM | 478160104 |  | 55589460 | 268613 | SH |  | SOLE |  | 268613 | 0 | 0 |
| JPMORGAN CHASE  CO | COM | 46625H100 |  | 325120 | 1009 | SH |  | SOLE |  | 1009 | 0 | 0 |
| KINSALE CAP GROUP INC COM | COM | 49714P108 |  | 359439 | 919 | SH |  | SOLE |  | 919 | 0 | 0 |
| LOWES COS INC COM | COM | 548661107 |  | 345582 | 1433 | SH |  | SOLE |  | 1433 | 0 | 0 |
| MANULIFE FINL CORP COM | COM | 56501R106 |  | 201390 | 5551 | SH |  | SOLE |  | 5551 | 0 | 0 |
| MARSH  MCLENNAN COS COM | COM | 571748102 |  | 203330 | 1096 | SH |  | SOLE |  | 1096 | 0 | 0 |
| MASTERCARD INC CL A | COM | 57636Q104 |  | 112898371 | 197762 | SH |  | SOLE |  | 197762 | 0 | 0 |
| MEDPACE HLDGS INC COM | COM | 58506Q109 |  | 7960265 | 14173 | SH |  | SOLE |  | 14173 | 0 | 0 |
| MERCK  CO INC NEW COM | COM | 58933y105 |  | 266413 | 2531 | SH |  | SOLE |  | 2531 | 0 | 0 |
| MICROSOFT CORP COM | COM | 594918104 |  | 109690336 | 226811 | SH |  | SOLE |  | 226811 | 0 | 0 |
| MSCI INC COM | COM | 55354g100 |  | 484228 | 844 | SH |  | SOLE |  | 844 | 0 | 0 |
| NEXTERA ENERGY INC COM | COM | 65339F101 |  | 104304834 | 1299263 | SH |  | SOLE |  | 1299263 | 0 | 0 |
| NVIDIA CORP COM | COM | 67066G104 |  | 210559 | 1129 | SH |  | SOLE |  | 1129 | 0 | 0 |
| O REILLY AUTOMOTIVE COM | COM | 67103H107 |  | 4710358 | 51643 | SH |  | SOLE |  | 51643 | 0 | 0 |
| OREA MINING CORP COM | COM | 685782104 |  | 0 | 11000 | SH |  | SOLE |  | 11000 | 0 | 0 |
| PHILIP MORRIS INTL INC COM | COM | 718172109 |  | 648176 | 4041 | SH |  | SOLE |  | 4041 | 0 | 0 |
| PROCTER  GAMBLE CO | COM | 742718109 |  | 364294 | 2542 | SH |  | SOLE |  | 2542 | 0 | 0 |
| QUALYS INC COM | COM | 74758T303 |  | 5992461 | 45090 | SH |  | SOLE |  | 45090 | 0 | 0 |
| QUIDEL CORP COM | COM | 219798105 |  | 213058 | 7460 | SH |  | SOLE |  | 7460 | 0 | 0 |
| REPUBLIC SVCS INC COM | COM | 760759100 |  | 50744307 | 239439 | SH |  | SOLE |  | 239439 | 0 | 0 |
| RESMED INC COM | COM | 761152107 |  | 120469926 | 500145 | SH |  | SOLE |  | 500145 | 0 | 0 |
| ROPER TECHNOLOGIES INC COM | COM | 776696106 |  | 98471659 | 221220 | SH |  | SOLE |  | 221220 | 0 | 0 |
| ROYAL BK CDA MONTREAL COM | COM | 780087102 |  | 545057 | 3197 | SH |  | SOLE |  | 3197 | 0 | 0 |
| SPDR TR UNIT SER 1 | COM | 78462F103 |  | 632822 | 928 | SH |  | SOLE |  | 928 | 0 | 0 |
| STERIS PLC SHS USD | COM | g84720104 |  | 112568204 | 444021 | SH |  | SOLE |  | 444021 | 0 | 0 |
| STRYKER CORP COM | COM | 863667101 |  | 95377711 | 271368 | SH |  | SOLE |  | 271368 | 0 | 0 |
| SYNOPSYS INC COM | COM | 871607107 |  | 2636538 | 5613 | SH |  | SOLE |  | 5613 | 0 | 0 |
| TERRENO RLTY CORP COM | COM | 88146m101 |  | 80542312 | 1371867 | SH |  | SOLE |  | 1371867 | 0 | 0 |
| TJX COS INC NEW COM | COM | 872540109 |  | 856529 | 5576 | SH |  | SOLE |  | 5576 | 0 | 0 |
| TYLER TECHNOLOGIES INC COM | COM | 902252105 |  | 4909015 | 10814 | SH |  | SOLE |  | 10814 | 0 | 0 |
| UNITEDHEALTH GROUP INC COM | COM | 91324P102 |  | 442678 | 1341 | SH |  | SOLE |  | 1341 | 0 | 0 |
| VERISK ANALYTICS INC COM | COM | 92345y106 |  | 37589762 | 168044 | SH |  | SOLE |  | 168044 | 0 | 0 |
| VISA INC                CL A | COM | 92826C839 |  | 146280440 | 417098 | SH |  | SOLE |  | 417098 | 0 | 0 |
| WAL MART | COM | 931142103 |  | 965702 | 8668 | SH |  | SOLE |  | 8668 | 0 | 0 |
| WASTE CONNECTIONS INC COM | COM | 94106B101 |  | 63617101 | 362780 | SH |  | SOLE |  | 362780 | 0 | 0 |
| WISCONSIN ENERGY CORP COM | COM | 976657106 |  | 267130 | 2533 | SH |  | SOLE |  | 2533 | 0 | 0 |
| ZOETIS INC CL A | COM | 98978v103 |  | 89052251 | 707775 | SH |  | SOLE |  | 707775 | 0 | 0 |

---