# EDGAR Filing Document

**Accession Number:** 0001116247
**File Stem:** 0001116247-25-000005
**Filing Date:** 2025-11
**Character Count:** 15983
**Document Hash:** 04f535e318ee86735bb47e67015622be
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001116247-25-000005.hdr.sgml**: 20251114

**ACCESSION NUMBER**: 0001116247-25-000005

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251114

**DATE AS OF CHANGE**: 20251114

**EFFECTIVENESS DATE**: 20251114

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** FAIRFIELD, BUSH & CO.
- **CENTRAL INDEX KEY:** 0001116247

**ORGANIZATION NAME:**
- **EIN:** 060898726
- **STATE OF INCORPORATION:** CT
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-05809
- **FILM NUMBER:** 251485280

**BUSINESS ADDRESS:**
- **STREET 1:** 320 BOSTON POST ROAD
- **STREET 2:** SUITE 150
- **CITY:** DARIEN
- **STATE:** CT
- **ZIP:** 06820
- **BUSINESS PHONE:** 2037775900

**MAIL ADDRESS:**
- **STREET 1:** 320 BOSTON POST ROAD
- **STREET 2:** SUITE 150
- **CITY:** DARIEN
- **STATE:** CT
- **ZIP:** 06820

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** FAIRFIELD RESEARCH CORP
- **DATE OF NAME CHANGE:** 20000607

### FORM 13F COVER PAGE

**Report for the Calendar Year or Quarter Ended:** 09-30-2025

**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:** FAIRFIELD BUSH  CO.<br>**Address:** 320 BOSTON POST ROAD<br>SUITE 150<br>DARIEN, CT 06820

**Form 13F File Number:** 028-05809

**CRD Number (if applicable):** 000105970

**SEC File Number (if applicable):** 801-9532

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:** Charles A. Krause<br>**Title:** President  Managing Director<br>**Phone:** 2037775900

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

Charles A. Krause  Darien, CT  11-14-2025<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:** 120

**Form 13F Information Table Value Total:** $194779745

      (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 |
| AMAZON COM INC COM | Stock | 023135106 |  | 9374250 | 42694 | SH |  | SOLE | 0 | 42693 | 0 | 0 |
| INVESCO QQQ TRUST SERIES I | ETF | 46090E103 |  | 290332 | 484 | SH |  | SOLE | 0 | 483 | 0 | 0 |
| JOHNSON  JOHNSON COM | Stock | 478160104 |  | 1866678 | 10067 | SH |  | SOLE | 0 | 10067 | 0 | 0 |
| VANGUARD TOTAL STOCK MARKET ETF | ETF | 922908769 |  | 856300 | 2609 | SH |  | SOLE | 0 | 2609 | 0 | 0 |
| COSTCO WHSL CORP NEW COM | Stock | 22160K105 |  | 355580 | 384 | SH |  | SOLE | 0 | 384 | 0 | 0 |
| GOLDMAN SACHS GROUP INC COM | Stock | 38141G104 |  | 246869 | 310 | SH |  | SOLE | 0 | 310 | 0 | 0 |
| SABINE RTY TR UNIT BEN INT | Stock | 785688102 |  | 220565 | 2776 | SH |  | SOLE | 0 | 2776 | 0 | 0 |
| PROCTER AND GAMBLE CO COM | Stock | 742718109 |  | 304534 | 1982 | SH |  | SOLE | 0 | 1982 | 0 | 0 |
| NETFLIX INC COM | Stock | 64110L106 |  | 3228692 | 2693 | SH |  | SOLE | 0 | 2693 | 0 | 0 |
| MERCK  CO INC COM | Stock | 58933Y105 |  | 1935141 | 23057 | SH |  | SOLE | 0 | 23056 | 0 | 0 |
| ILLINOIS TOOL WKS INC COM | Stock | 452308109 |  | 218256 | 837 | SH |  | SOLE | 0 | 837 | 0 | 0 |
| EMERSON ELEC CO COM | Stock | 291011104 |  | 248848 | 1897 | SH |  | SOLE | 0 | 1897 | 0 | 0 |
| ALLSTATE CORP COM | Stock | 020002101 |  | 524956 | 2446 | SH |  | SOLE | 0 | 2445 | 0 | 0 |
| ISHARES TIPS BOND ETF | ETF | 464287176 |  | 225777 | 2030 | SH |  | SOLE | 0 | 2030 | 0 | 0 |
| VERTEX PHARMACEUTICALS INC COM | Stock | 92532F100 |  | 262790 | 671 | SH |  | SOLE | 0 | 671 | 0 | 0 |
| JM SMUCKER CO | Stock | 832696405 |  | 1427675 | 13146 | SH |  | SOLE | 0 | 13146 | 0 | 0 |
| BANK NEW YORK MELLON CORP COM | Stock | 064058100 |  | 623988 | 5727 | SH |  | SOLE | 0 | 5726 | 0 | 0 |
| VERIZON COMMUNICATIONS INC COM | Stock | 92343V104 |  | 216893 | 4935 | SH |  | SOLE | 0 | 4935 | 0 | 0 |
| CHUBB LIMITED COM | Stock | H1467J104 |  | 238501 | 845 | SH |  | SOLE | 0 | 845 | 0 | 0 |
| MARVELL TECHNOLOGY INC COM | Stock | 573874104 |  | 205635 | 2446 | SH |  | SOLE | 0 | 2445 | 0 | 0 |
| PEPSICO INC COM | Stock | 713448108 |  | 1701221 | 12114 | SH |  | SOLE | 0 | 12113 | 0 | 0 |
| RAMACO RES INC COM CL A | Stock | 75134P600 |  | 399986 | 12051 | SH |  | SOLE | 0 | 12051 | 0 | 0 |
| ISHARES 1-3 YEAR TREASURY BOND ETF | ETF | 464287457 |  | 315248 | 3800 | SH |  | SOLE | 0 | 3800 | 0 | 0 |
| KIMBERLY-CLARK CORP COM | Stock | 494368103 |  | 207026 | 1665 | SH |  | SOLE | 0 | 1665 | 0 | 0 |
| HONEYWELL INTL INC COM | Stock | 438516106 |  | 1641264 | 7797 | SH |  | SOLE | 0 | 7796 | 0 | 0 |
| US BANCORP DEL COM NEW | Stock | 902973304 |  | 343916 | 7116 | SH |  | SOLE | 0 | 7116 | 0 | 0 |
| BHP GROUP LTD SPONSORED ADS | ADR | 088606108 |  | 829950 | 14887 | SH |  | SOLE | 0 | 14887 | 0 | 0 |
| SPDR GOLD SHARES | ETF | 78463V107 |  | 1292489 | 3636 | SH |  | SOLE | 0 | 3636 | 0 | 0 |
| SCHWAB U.S. SMALL-CAP ETF | ETF | 808524607 |  | 215860 | 7737 | SH |  | SOLE | 0 | 7736 | 0 | 0 |
| LABCORP HOLDINGS INC COM SHS | Stock | 504922105 |  | 2816530 | 9812 | SH |  | SOLE | 0 | 9811 | 0 | 0 |
| NUTRIEN LTD COM | Stock | 67077M108 |  | 790190 | 13459 | SH |  | SOLE | 0 | 13459 | 0 | 0 |
| BERKSHIRE HATHAWAY INC DEL CL B NEW | Stock | 084670702 |  | 395656 | 787 | SH |  | SOLE | 0 | 787 | 0 | 0 |
| ADOBE INC COM | Stock | 00724F101 |  | 924558 | 2621 | SH |  | SOLE | 0 | 2621 | 0 | 0 |
| ALPHABET INC CAP STK CL A | Stock | 02079K305 |  | 748343 | 3078 | SH |  | SOLE | 0 | 3078 | 0 | 0 |
| FISERV INC COM | Stock | 337738108 |  | 288545 | 2238 | SH |  | SOLE | 0 | 2238 | 0 | 0 |
| INTUIT COM | Stock | 461202103 |  | 2279460 | 3338 | SH |  | SOLE | 0 | 3337 | 0 | 0 |
| CSX CORP COM | Stock | 126408103 |  | 463050 | 13040 | SH |  | SOLE | 0 | 13040 | 0 | 0 |
| GENERAC HLDGS INC COM | Stock | 368736104 |  | 950387 | 5677 | SH |  | SOLE | 0 | 5677 | 0 | 0 |
| MICROSOFT CORP COM | Stock | 594918104 |  | 13593392 | 26245 | SH |  | SOLE | 0 | 26244 | 0 | 0 |
| VANGUARD MID-CAP ETF | ETF | 922908629 |  | 473803 | 1613 | SH |  | SOLE | 0 | 1613 | 0 | 0 |
| VANGUARD S 500 ETF | ETF | 922908363 |  | 302544 | 494 | SH |  | SOLE | 0 | 494 | 0 | 0 |
| FIFTH THIRD BANCORP COM | Stock | 316773100 |  | 899420 | 20189 | SH |  | SOLE | 0 | 20189 | 0 | 0 |
| UBER TECHNOLOGIES INC COM | Stock | 90353T100 |  | 1006544 | 10274 | SH |  | SOLE | 0 | 10274 | 0 | 0 |
| ILLUMINA INC COM | Stock | 452327109 |  | 453862 | 4779 | SH |  | SOLE | 0 | 4779 | 0 | 0 |
| CROWDSTRIKE HLDGS INC CL A | Stock | 22788C105 |  | 3114567 | 6351 | SH |  | SOLE | 0 | 6351 | 0 | 0 |
| INVESCO S 500 EQUAL WEIGHT ETF | ETF | 46137V357 |  | 516691 | 2724 | SH |  | SOLE | 0 | 2723 | 0 | 0 |
| VANECK GOLD MINERS ETF | ETF | 92189F106 |  | 204370 | 2675 | SH |  | SOLE | 0 | 2675 | 0 | 0 |
| ELI LILLY  CO COM | Stock | 532457108 |  | 2255461 | 2956 | SH |  | SOLE | 0 | 2956 | 0 | 0 |
| DUKE ENERGY CORP NEW COM NEW | Stock | 26441C204 |  | 509108 | 4114 | SH |  | SOLE | 0 | 4114 | 0 | 0 |
| MICRON TECHNOLOGY INC COM | Stock | 595112103 |  | 227890 | 1362 | SH |  | SOLE | 0 | 1362 | 0 | 0 |
| CHIPOTLE MEXICAN GRILL INC COM | Stock | 169656105 |  | 534356 | 13635 | SH |  | SOLE | 0 | 13635 | 0 | 0 |
| ROCKET COS INC COM CL A | Stock | 77311W101 |  | 452639 | 23356 | SH |  | SOLE | 0 | 23356 | 0 | 0 |
| SNOWFLAKE INC COM SHS | Stock | 833445109 |  | 227806 | 1010 | SH |  | SOLE | 0 | 1010 | 0 | 0 |
| PALANTIR TECHNOLOGIES INC CL A | Stock | 69608A108 |  | 992182 | 5439 | SH |  | SOLE | 0 | 5439 | 0 | 0 |
| REGENERON PHARMACEUTICALS INC | Stock | 75886F107 |  | 1052099 | 1871 | SH |  | SOLE | 0 | 1871 | 0 | 0 |
| SCHWAB US DIVIDEND EQUITY ETF | ETF | 808524797 |  | 339391 | 12432 | SH |  | SOLE | 0 | 12431 | 0 | 0 |
| NEOGEN CORP COM | Stock | 640491106 |  | 121710 | 21315 | SH |  | SOLE | 0 | 21315 | 0 | 0 |
| VISA INC COM CL A | Stock | 92826C839 |  | 780395 | 2286 | SH |  | SOLE | 0 | 2286 | 0 | 0 |
| T1 ENERGY INC COM NEW | Stock | 35834F104 |  | 29866 | 13700 | SH |  | SOLE | 0 | 13700 | 0 | 0 |
| ROBINHOOD MKTS INC COM CL A | Stock | 770700102 |  | 277626 | 1939 | SH |  | SOLE | 0 | 1939 | 0 | 0 |
| VANGUARD GROWTH ETF | ETF | 922908736 |  | 511762 | 1067 | SH |  | SOLE | 0 | 1067 | 0 | 0 |
| L3HARRIS TECHNOLOGIES INC COM | Stock | 502431109 |  | 721378 | 2362 | SH |  | SOLE | 0 | 2362 | 0 | 0 |
| PHILLIPS 66 COM | Stock | 718546104 |  | 906727 | 6666 | SH |  | SOLE | 0 | 6666 | 0 | 0 |
| AMERICAN TOWER CORP NEW COM | REIT | 03027X100 |  | 214244 | 1114 | SH |  | SOLE | 0 | 1114 | 0 | 0 |
| ASML HOLDING N V N Y REGISTRY SHS | ADR | N07059210 |  | 2031053 | 2098 | SH |  | SOLE | 0 | 2098 | 0 | 0 |
| SERVICENOW INC | Stock | 81762P102 |  | 1309558 | 1423 | SH |  | SOLE | 0 | 1423 | 0 | 0 |
| PALO ALTO NETWORKS INC COM | Stock | 697435105 |  | 1115634 | 5479 | SH |  | SOLE | 0 | 5479 | 0 | 0 |
| BROADCOM INC COM | Stock | 11135F101 |  | 8622551 | 26136 | SH |  | SOLE | 0 | 26136 | 0 | 0 |
| NOVARTIS AG SPONSORED ADR | ADR | 66987V109 |  | 2930780 | 22854 | SH |  | SOLE | 0 | 22853 | 0 | 0 |
| ROYAL BK CDA COM | Stock | 780087102 |  | 2845508 | 19315 | SH |  | SOLE | 0 | 19315 | 0 | 0 |
| KINDER MORGAN INC DEL COM | Stock | 49456B101 |  | 290491 | 10261 | SH |  | SOLE | 0 | 10261 | 0 | 0 |
| GE HEALTHCARE TECHNOLOGIES INC COM | Stock | 36266G107 |  | 256166 | 3411 | SH |  | SOLE | 0 | 3411 | 0 | 0 |
| NVIDIA CORPORATION COM | Stock | 67066G104 |  | 2664178 | 14279 | SH |  | SOLE | 0 | 14279 | 0 | 0 |
| ARCHER DANIELS MIDLAND CO COM | Stock | 039483102 |  | 8245554 | 138024 | SH |  | SOLE | 0 | 138024 | 0 | 0 |
| ABBVIE INC COM | Stock | 00287Y109 |  | 1427812 | 6167 | SH |  | SOLE | 0 | 6166 | 0 | 0 |
| TAIWAN SEMICONDUCTOR MFG LTD SPONSORED ADS | ADR | 874039100 |  | 9025405 | 32316 | SH |  | SOLE | 0 | 32315 | 0 | 0 |
| BLACKSTONE INC COM | Stock | 09260D107 |  | 309239 | 1810 | SH |  | SOLE | 0 | 1810 | 0 | 0 |
| CHURCH  DWIGHT CO INC COM | Stock | 171340102 |  | 2174090 | 24810 | SH |  | SOLE | 0 | 24809 | 0 | 0 |
| SCHWAB HIGH YIELD BOND ETF | ETF | 808524631 |  | 308865 | 11555 | SH |  | SOLE | 0 | 11555 | 0 | 0 |
| QUALCOMM INC COM | Stock | 747525103 |  | 4144146 | 24911 | SH |  | SOLE | 0 | 24910 | 0 | 0 |
| MCDONALDS CORP COM | Stock | 580135101 |  | 331958 | 1092 | SH |  | SOLE | 0 | 1092 | 0 | 0 |
| CISCO SYS INC COM | Stock | 17275R102 |  | 401899 | 5874 | SH |  | SOLE | 0 | 5874 | 0 | 0 |
| ISHARES RUSSELL MIDCAP ETF | ETF | 464287499 |  | 555592 | 5754 | SH |  | SOLE | 0 | 5754 | 0 | 0 |
| ADVANCED MICRO DEVICES INC COM | Stock | 007903107 |  | 1493483 | 9231 | SH |  | SOLE | 0 | 9231 | 0 | 0 |
| VANGUARD FINANCIALS ETF | ETF | 92204A405 |  | 369572 | 2816 | SH |  | SOLE | 0 | 2816 | 0 | 0 |
| GE VERNOVA INC COM | Stock | 36828A101 |  | 1631340 | 2653 | SH |  | SOLE | 0 | 2653 | 0 | 0 |
| GE AEROSPACE COM NEW | Stock | 369604301 |  | 2305604 | 7664 | SH |  | SOLE | 0 | 7664 | 0 | 0 |
| ISHARES CORE S 500 ETF | ETF | 464287200 |  | 301185 | 450 | SH |  | SOLE | 0 | 450 | 0 | 0 |
| UNION PAC CORP COM | Stock | 907818108 |  | 1496222 | 6330 | SH |  | SOLE | 0 | 6330 | 0 | 0 |
| THERMO FISHER SCIENTIFIC INC COM | Stock | 883556102 |  | 1003021 | 2068 | SH |  | SOLE | 0 | 2068 | 0 | 0 |
| LOCKHEED MARTIN CORP COM | Stock | 539830109 |  | 1014838 | 2033 | SH |  | SOLE | 0 | 2032 | 0 | 0 |
| JPMORGAN CHASE  CO. COM | Stock | 46625H100 |  | 5805513 | 18405 | SH |  | SOLE | 0 | 18405 | 0 | 0 |
| CHEVRON CORP NEW COM | Stock | 166764100 |  | 2849583 | 18350 | SH |  | SOLE | 0 | 18350 | 0 | 0 |
| DANAHER CORPORATION COM | Stock | 235851102 |  | 926149 | 4671 | SH |  | SOLE | 0 | 4671 | 0 | 0 |
| STATE STREET SPDR S BANK ETF | ETF | 78464A797 |  | 418478 | 7043 | SH |  | SOLE | 0 | 7042 | 0 | 0 |
| BANK AMERICA CORP COM | Stock | 060505104 |  | 357003 | 6920 | SH |  | SOLE | 0 | 6920 | 0 | 0 |
| WALMART INC COM | Stock | 931142103 |  | 3625129 | 35175 | SH |  | SOLE | 0 | 35174 | 0 | 0 |
| INTERNATIONAL BUSINESS MACHINES COM | Stock | 459200101 |  | 1381067 | 4895 | SH |  | SOLE | 0 | 4894 | 0 | 0 |
| ORACLE CORP COM | Stock | 68389X105 |  | 12190637 | 43346 | SH |  | SOLE | 0 | 43346 | 0 | 0 |
| RTX CORPORATION COM | Stock | 75513E101 |  | 385528 | 2304 | SH |  | SOLE | 0 | 2304 | 0 | 0 |
| PFIZER INC COM | Stock | 717081103 |  | 764661 | 30010 | SH |  | SOLE | 0 | 30010 | 0 | 0 |
| GILEAD SCIENCES INC COM | Stock | 375558103 |  | 269286 | 2426 | SH |  | SOLE | 0 | 2426 | 0 | 0 |
| CATERPILLAR INC COM | Stock | 149123101 |  | 563037 | 1180 | SH |  | SOLE | 0 | 1180 | 0 | 0 |
| ALPHABET INC CAP STK CL C | Stock | 02079K107 |  | 8155496 | 33486 | SH |  | SOLE | 0 | 33485 | 0 | 0 |
| AMERICAN EXPRESS CO COM | Stock | 025816109 |  | 524813 | 1580 | SH |  | SOLE | 0 | 1580 | 0 | 0 |
| AMGEN INC COM | Stock | 031162100 |  | 1136137 | 4026 | SH |  | SOLE | 0 | 4026 | 0 | 0 |
| ARISTA NETWORKS INC COM SHS | Stock | 040413205 |  | 3117757 | 21397 | SH |  | SOLE | 0 | 21397 | 0 | 0 |
| ISHARES 20 YEAR TREASURY BOND ETF | ETF | 464287432 |  | 779161 | 8718 | SH |  | SOLE | 0 | 8718 | 0 | 0 |
| PHILIP MORRIS INTL INC COM | Stock | 718172109 |  | 2180221 | 13442 | SH |  | SOLE | 0 | 13441 | 0 | 0 |
| BERKLEY W R CORP COM | Stock | 084423102 |  | 1184622 | 15461 | SH |  | SOLE | 0 | 15461 | 0 | 0 |
| ALTRIA GROUP INC COM | Stock | 02209S103 |  | 303149 | 4589 | SH |  | SOLE | 0 | 4589 | 0 | 0 |
| EXXON MOBIL CORP COM | Stock | 30231G102 |  | 2048444 | 18168 | SH |  | SOLE | 0 | 18168 | 0 | 0 |
| TRAVELERS COMPANIES INC COM | Stock | 89417E109 |  | 233428 | 836 | SH |  | SOLE | 0 | 836 | 0 | 0 |
| LOWES COS INC COM | Stock | 548661107 |  | 4153296 | 16527 | SH |  | SOLE | 0 | 16526 | 0 | 0 |
| DEERE  CO COM | Stock | 244199105 |  | 372667 | 815 | SH |  | SOLE | 0 | 815 | 0 | 0 |
| SHOPIFY INC CL A SUB VTG SHS | Stock | 82509L107 |  | 3273730 | 22029 | SH |  | SOLE | 0 | 22029 | 0 | 0 |
| NOVO NORDISK A/S ADR | ADR | 670100205 |  | 972744 | 17530 | SH |  | SOLE | 0 | 17530 | 0 | 0 |
| CAMECO CORP COM | Stock | 13321L108 |  | 2348935 | 28010 | SH |  | SOLE | 0 | 28010 | 0 | 0 |
| APPLE INC COM | Stock | 037833100 |  | 5026640 | 19741 | SH |  | SOLE | 0 | 19740 | 0 | 0 |
| WALT DISNEY CO COM | Stock | 254687106 |  | 630918 | 5510 | SH |  | SOLE | 0 | 5510 | 0 | 0 |

---