# EDGAR Filing Document

**Accession Number:** 0001768089
**File Stem:** 0001768089-26-000001
**Filing Date:** 2026-2
**Character Count:** 15775
**Document Hash:** 2b97f4014a886656ecaf6343518c08c8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001768089-26-000001.hdr.sgml**: 20260204

**ACCESSION NUMBER**: 0001768089-26-000001

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

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260204

**DATE AS OF CHANGE**: 20260204

**EFFECTIVENESS DATE**: 20260204

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** Knuff & Co LLC
- **CENTRAL INDEX KEY:** 0001768089

**ORGANIZATION NAME:**
- **EIN:** 831378167
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** 13F-HR
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 028-19363
- **FILM NUMBER:** 26599315

**BUSINESS ADDRESS:**
- **STREET 1:** 950 TOWER LANE, SUITE 1525
- **CITY:** FOSTER CITY
- **STATE:** CA
- **ZIP:** 94404
- **BUSINESS PHONE:** 650-832-9010

**MAIL ADDRESS:**
- **STREET 1:** 950 TOWER LANE, SUITE 1525
- **CITY:** FOSTER CITY
- **STATE:** CA
- **ZIP:** 94404

### 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:** Knuff  Co LLC<br>**Address:** 950 TOWER LANE SUITE 1525<br>FOSTER CITY, CA 94404

**Form 13F File Number:** 028-19363

**CRD Number (if applicable):** 000298203

**SEC File Number (if applicable):** 801-113925

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:** William G. Knuff 3rd<br>**Title:** Managing Partner<br>**Phone:** 9177540797

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

William G. Knuff 3rd  Hillsborough, CA  02-04-2026<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:** 129

**Form 13F Information Table Value Total:** $339275073

      (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 LABS | COM | 002824100 |  | 797095 | 6362 | SH |  | SOLE |  | 6362 | 0 | 0 |
| ABBVIE INC | COM | 00287Y109 |  | 1730812 | 7575 | SH |  | SOLE |  | 7575 | 0 | 0 |
| ADOBE INC | COM | 00724F101 |  | 139996 | 400 | SH |  | SOLE |  | 400 | 0 | 0 |
| AFLAC INC | COM | 001055102 |  | 2742084 | 24867 | SH |  | SOLE |  | 24867 | 0 | 0 |
| ALBEMARLE CORP | COM | 012653101 |  | 2970240 | 21000 | SH |  | SOLE |  | 21000 | 0 | 0 |
| ALIBABA GROUP HLDG LTD | ADR | 01609W102 |  | 8325744 | 56800 | SH |  | SOLE |  | 56800 | 0 | 0 |
| ALIGN TECHNOLOGY INC | COM | 016255101 |  | 125232 | 802 | SH |  | SOLE |  | 802 | 0 | 0 |
| ALPHABET INC CL A | COM | 02079K305 |  | 3963832 | 12664 | SH |  | SOLE |  | 12664 | 0 | 0 |
| ALPHABET INC CL C | COM | 02079K107 |  | 12700427 | 40473 | SH |  | SOLE |  | 40473 | 0 | 0 |
| AMAZON COM INC | COM | 023135106 |  | 10575249 | 45816 | SH |  | SOLE |  | 45816 | 0 | 0 |
| AMBARELLA INC | COM | G037AX101 |  | 213937 | 3020 | SH |  | SOLE |  | 3020 | 0 | 0 |
| AMERICAN EXPRESS CO | COM | 025816109 |  | 3681003 | 9950 | SH |  | SOLE |  | 9950 | 0 | 0 |
| AMERICAN TOWER CORP | COM | 03027X100 |  | 3126902 | 17810 | SH |  | SOLE |  | 17810 | 0 | 0 |
| AMGEN INC | COM | 031162100 |  | 589158 | 1800 | SH |  | SOLE |  | 1800 | 0 | 0 |
| ANALOG DEVICES INC | COM | 032654105 |  | 74580 | 275 | SH |  | SOLE |  | 275 | 0 | 0 |
| APPLE INC | COM | 037833100 |  | 43182478 | 158841 | SH |  | SOLE |  | 158841 | 0 | 0 |
| ARISTA NETWORKS INC | COM | 040413106 |  | 26206 | 200 | SH |  | SOLE |  | 200 | 0 | 0 |
| ASML HOLDING N V | ADR | N07059210 |  | 420455 | 393 | SH |  | SOLE |  | 393 | 0 | 0 |
| AUTOMATIC DATA PROCESSING INC | COM | 053015103 |  | 106236 | 413 | SH |  | SOLE |  | 413 | 0 | 0 |
| BERKSHIRE HATHAWAY INC CL B | COM | 084670702 |  | 8501319 | 16913 | SH |  | SOLE |  | 16913 | 0 | 0 |
| BOEING CO | COM | 097023105 |  | 3921404 | 18061 | SH |  | SOLE |  | 18061 | 0 | 0 |
| BRISTOL-MYERS SQUIBB CO | COM | 110122108 |  | 589996 | 10938 | SH |  | SOLE |  | 10938 | 0 | 0 |
| BROADCOM INC | COM | 11135F101 |  | 8695070 | 25123 | SH |  | SOLE |  | 25123 | 0 | 0 |
| CAMECO CORP | COM | 13321L108 |  | 68618 | 750 | SH |  | SOLE |  | 750 | 0 | 0 |
| CAPITAL ONE FINL CORP | COM | 14040H105 |  | 109304 | 451 | SH |  | SOLE |  | 451 | 0 | 0 |
| CATERPILLAR INC | COM | 149123101 |  | 11783363 | 20569 | SH |  | SOLE |  | 20569 | 0 | 0 |
| CELSIUS HLDGS INC | COM | 15118V207 |  | 5849277 | 127881 | SH |  | SOLE |  | 127881 | 0 | 0 |
| CHEVRON CORP | COM | 166764100 |  | 2213908 | 14526 | SH |  | SOLE |  | 14526 | 0 | 0 |
| CHIPOTLE MEXICAN GRILL INC | COM | 169656105 |  | 162985 | 4405 | SH |  | SOLE |  | 4405 | 0 | 0 |
| CME GROUP INC | COM | 12572Q105 |  | 81924 | 300 | SH |  | SOLE |  | 300 | 0 | 0 |
| COCA COLA CO | COM | 191216100 |  | 1349263 | 19300 | SH |  | SOLE |  | 19300 | 0 | 0 |
| COLGATE PALMOLIVE CO | COM | 194162103 |  | 1762541 | 22305 | SH |  | SOLE |  | 22305 | 0 | 0 |
| COSTCO WHSL CORP | COM | 22160K105 |  | 9154413 | 10616 | SH |  | SOLE |  | 10616 | 0 | 0 |
| CUMMINS INC | COM | 231021106 |  | 1003034 | 1965 | SH |  | SOLE |  | 1965 | 0 | 0 |
| DANAHER CORPORATION | COM | 235851102 |  | 1114611 | 4869 | SH |  | SOLE |  | 4869 | 0 | 0 |
| DISNEY WALT CO | COM | 254687106 |  | 1485495 | 13057 | SH |  | SOLE |  | 13057 | 0 | 0 |
| DUKE ENERGY CORP | COM | 26441C204 |  | 334986 | 2858 | SH |  | SOLE |  | 2858 | 0 | 0 |
| EATON CORP PLC | COM | G29183103 |  | 145241 | 456 | SH |  | SOLE |  | 456 | 0 | 0 |
| EBAY INC. | COM | 278642103 |  | 60970 | 700 | SH |  | SOLE |  | 700 | 0 | 0 |
| ECOLAB INC | COM | 278865100 |  | 103695 | 395 | SH |  | SOLE |  | 395 | 0 | 0 |
| ELI LILLY  CO | COM | 532457108 |  | 307358 | 286 | SH |  | SOLE |  | 286 | 0 | 0 |
| ENBRIDGE INC | COM | 29250N105 |  | 107713 | 2252 | SH |  | SOLE |  | 2252 | 0 | 0 |
| ENERGY FUELS INC | COM | 292671708 |  | 54525 | 3750 | SH |  | SOLE |  | 3750 | 0 | 0 |
| EQUIFAX INC | COM | 294429105 |  | 5099030 | 23500 | SH |  | SOLE |  | 23500 | 0 | 0 |
| EXXON MOBIL CORP | COM | 30231G102 |  | 7571432 | 62917 | SH |  | SOLE |  | 62917 | 0 | 0 |
| FIDELITY NATL INFORMATION SVCS | COM | 31620M106 |  | 99690 | 1500 | SH |  | SOLE |  | 1500 | 0 | 0 |
| FORTINET INC | COM | 34959E109 |  | 8330109 | 105300 | SH |  | SOLE |  | 105300 | 0 | 0 |
| FORTUNE BRANDS INNOVATIONS INC | COM | 34964C106 |  | 266206 | 5322 | SH |  | SOLE |  | 5322 | 0 | 0 |
| GE AEROSPACE | COM | 369604301 |  | 3108094 | 10090 | SH |  | SOLE |  | 10090 | 0 | 0 |
| GE HEALTHCARE TECHNOLOGIES INC | COM | 36266G107 |  | 413463 | 5041 | SH |  | SOLE |  | 5041 | 0 | 0 |
| GE VERNOVA INC | COM | 36828A101 |  | 1473800 | 2255 | SH |  | SOLE |  | 2255 | 0 | 0 |
| GENERAL DYNAMICS CORP | COM | 369550108 |  | 336660 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| GILEAD SCIENCES INC | COM | 375558103 |  | 1766965 | 14396 | SH |  | SOLE |  | 14396 | 0 | 0 |
| GLOBAL X U.S. INFRASTRUCTURE DEVELOPMENT | ETF | 37954Y673 |  | 119475 | 2500 | SH |  | SOLE |  | 2500 | 0 | 0 |
| GRAB HOLDINGS LTD | COM | G4124C109 |  | 79840 | 16000 | SH |  | SOLE |  | 16000 | 0 | 0 |
| HOME DEPOT INC | COM | 437076102 |  | 3007434 | 8740 | SH |  | SOLE |  | 8740 | 0 | 0 |
| HONEYWELL INTL INC | COM | 438516106 |  | 31605 | 162 | SH |  | SOLE |  | 162 | 0 | 0 |
| INTERNATIONAL BUSINESS MACHS | COM | 459200101 |  | 296210 | 1000 | SH |  | SOLE |  | 1000 | 0 | 0 |
| INVESCO S 500 EQUAL WEIGHT | ETF | 46137V357 |  | 57468 | 300 | SH |  | SOLE |  | 300 | 0 | 0 |
| ISHARES CORE MSCI EAFE | ETF | 46432F842 |  | 250220 | 2797 | SH |  | SOLE |  | 2797 | 0 | 0 |
| ISHARES CORE S 500 | ETF | 464287200 |  | 65069 | 95 | SH |  | SOLE |  | 95 | 0 | 0 |
| ISHARES CORE U.S. AGGREGATE BOND | ETF | 464287226 |  | 75909 | 760 | SH |  | SOLE |  | 760 | 0 | 0 |
| ISHARES S 500 VALUE | ETF | 464287408 |  | 37112 | 175 | SH |  | SOLE |  | 175 | 0 | 0 |
| JOHNSON  JOHNSON | COM | 478160104 |  | 1706688 | 8247 | SH |  | SOLE |  | 8247 | 0 | 0 |
| JPMORGAN CHASE  CO. | COM | 46625H100 |  | 763339 | 2369 | SH |  | SOLE |  | 2369 | 0 | 0 |
| LINDE PLC | COM | G54950103 |  | 245174 | 575 | SH |  | SOLE |  | 575 | 0 | 0 |
| LOWES COS INC | COM | 548661107 |  | 228861 | 949 | SH |  | SOLE |  | 949 | 0 | 0 |
| MASTERCARD INCORPORATED CL A | COM | 57636Q104 |  | 848328 | 1486 | SH |  | SOLE |  | 1486 | 0 | 0 |
| MERCADOLIBRE INC | COM | 58733R102 |  | 10024972 | 4977 | SH |  | SOLE |  | 4977 | 0 | 0 |
| MERCK  CO INC | COM | 58933Y105 |  | 1161860 | 11038 | SH |  | SOLE |  | 11038 | 0 | 0 |
| META PLATFORMS INC CL A | COM | 30303M102 |  | 148520 | 225 | SH |  | SOLE |  | 225 | 0 | 0 |
| MICROCHIP TECHNOLOGY INC. | COM | 595017104 |  | 2286019 | 35876 | SH |  | SOLE |  | 35876 | 0 | 0 |
| MICROSOFT CORP | COM | 594918104 |  | 28826914 | 59607 | SH |  | SOLE |  | 59607 | 0 | 0 |
| MONGODB INC CL A | COM | 60937P106 |  | 5947427 | 14171 | SH |  | SOLE |  | 14171 | 0 | 0 |
| MONOLITHIC PWR SYS INC | COM | 609839105 |  | 498498 | 550 | SH |  | SOLE |  | 550 | 0 | 0 |
| MONSTER BEVERAGE CORP | COM | 61174X109 |  | 5556812 | 72477 | SH |  | SOLE |  | 72477 | 0 | 0 |
| NETFLIX INC | COM | 64110L106 |  | 15594726 | 166326 | SH |  | SOLE |  | 166326 | 0 | 0 |
| NEXGEN ENERGY LTD | COM | 65340P106 |  | 103500 | 11250 | SH |  | SOLE |  | 11250 | 0 | 0 |
| NEXTDOOR HOLDINGS INC CL A | COM | 65345M108 |  | 52500 | 25000 | SH |  | SOLE |  | 25000 | 0 | 0 |
| NEXTERA ENERGY INC | COM | 65339F101 |  | 2768456 | 34485 | SH |  | SOLE |  | 34485 | 0 | 0 |
| NIKE INC CL B | COM | 654106103 |  | 406661 | 6383 | SH |  | SOLE |  | 6383 | 0 | 0 |
| NOVO-NORDISK A S | ADR | 670100205 |  | 8738640 | 171750 | SH |  | SOLE |  | 171750 | 0 | 0 |
| NUSCALE PWR CORP CL A | COM | 67079K100 |  | 35425 | 2500 | SH |  | SOLE |  | 2500 | 0 | 0 |
| NVIDIA CORPORATION | COM | 67066G104 |  | 7678205 | 41170 | SH |  | SOLE |  | 41170 | 0 | 0 |
| OKLO INC CL A | COM | 02156V109 |  | 143520 | 2000 | SH |  | SOLE |  | 2000 | 0 | 0 |
| ORACLE CORP | COM | 68389X105 |  | 1608397 | 8252 | SH |  | SOLE |  | 8252 | 0 | 0 |
| OREILLY AUTOMOTIVE INC | COM | 67103H107 |  | 68408 | 750 | SH |  | SOLE |  | 750 | 0 | 0 |
| PALO ALTO NETWORKS INC | COM | 697435105 |  | 25788 | 140 | SH |  | SOLE |  | 140 | 0 | 0 |
| PEPSICO INC | COM | 713448108 |  | 416495 | 2902 | SH |  | SOLE |  | 2902 | 0 | 0 |
| PFIZER INC | COM | 717081103 |  | 1590089 | 63859 | SH |  | SOLE |  | 63859 | 0 | 0 |
| PHILIP MORRIS INTL INC | COM | 718172109 |  | 48120 | 300 | SH |  | SOLE |  | 300 | 0 | 0 |
| PLANET LABS PBC | COM | 23344K102 |  | 98600 | 5000 | SH |  | SOLE |  | 5000 | 0 | 0 |
| PROCTER AND GAMBLE CO | COM | 742718109 |  | 19124290 | 133447 | SH |  | SOLE |  | 133447 | 0 | 0 |
| PROGRESSIVE CORP | COM | 743315103 |  | 413540 | 1816 | SH |  | SOLE |  | 1816 | 0 | 0 |
| PUBLIC STORAGE OPER CO | COM | 74460D109 |  | 37887 | 146 | SH |  | SOLE |  | 146 | 0 | 0 |
| PULTE GROUP INC | COM | 745867101 |  | 1563076 | 13330 | SH |  | SOLE |  | 13330 | 0 | 0 |
| QUALCOMM INC | COM | 747525103 |  | 1290401 | 7544 | SH |  | SOLE |  | 7544 | 0 | 0 |
| QXO INC | COM | 82846H405 |  | 75713 | 3925 | SH |  | SOLE |  | 3925 | 0 | 0 |
| SALESFORCE INC | COM | 79466L302 |  | 758702 | 2864 | SH |  | SOLE |  | 2864 | 0 | 0 |
| SCHWAB CHARLES CORP | COM | 808513105 |  | 54551 | 546 | SH |  | SOLE |  | 546 | 0 | 0 |
| SCHWAB U.S. LARGE-CAP VALUE | ETF | 808524409 |  | 1197378 | 40438 | SH |  | SOLE |  | 40438 | 0 | 0 |
| SERVICENOW INC | COM | 81762P102 |  | 879311 | 5740 | SH |  | SOLE |  | 5740 | 0 | 0 |
| SPDR GOLD SHARES | ETF | 78463V107 |  | 687598 | 1735 | SH |  | SOLE |  | 1735 | 0 | 0 |
| SPROTT URANIUM MINERS | ETF | 85208P303 |  | 31123 | 567 | SH |  | SOLE |  | 567 | 0 | 0 |
| STARBUCKS CORP | COM | 855244109 |  | 879573 | 10445 | SH |  | SOLE |  | 10445 | 0 | 0 |
| STATE STREET HEALTH CARE SELECT SECTOR SPDR | ETF | 81369Y209 |  | 44892 | 290 | SH |  | SOLE |  | 290 | 0 | 0 |
| STATE STREET SPDR MSCI USA STRATEGICFACTORS | ETF | 78468R812 |  | 32747 | 188 | SH |  | SOLE |  | 188 | 0 | 0 |
| STATE STREET TECHNOLOGY SELECT SECTOR SPDR | ETF | 81369Y803 |  | 93581 | 650 | SH |  | SOLE |  | 650 | 0 | 0 |
| STRYKER CORPORATION | COM | 863667101 |  | 28118 | 80 | SH |  | SOLE |  | 80 | 0 | 0 |
| TAIWAN SEMICONDUCTOR MFG LTD | ADR | 874039100 |  | 8426262 | 27728 | SH |  | SOLE |  | 27728 | 0 | 0 |
| TEXAS INSTRS INC | COM | 882508104 |  | 121443 | 700 | SH |  | SOLE |  | 700 | 0 | 0 |
| THE TRADE DESK INC CL A | COM | 88339J105 |  | 151840 | 4000 | SH |  | SOLE |  | 4000 | 0 | 0 |
| THERMO FISHER SCIENTIFIC INC | COM | 883556102 |  | 4715564 | 8138 | SH |  | SOLE |  | 8138 | 0 | 0 |
| TJX COS INC | COM | 872540109 |  | 506913 | 3300 | SH |  | SOLE |  | 3300 | 0 | 0 |
| TRANE TECHNOLOGIES PLC | COM | G8994E103 |  | 64996 | 167 | SH |  | SOLE |  | 167 | 0 | 0 |
| TRIMBLE INC | COM | 896239100 |  | 54845 | 700 | SH |  | SOLE |  | 700 | 0 | 0 |
| UBER TECHNOLOGIES INC | COM | 90353T100 |  | 245130 | 3000 | SH |  | SOLE |  | 3000 | 0 | 0 |
| UNION PAC CORP | COM | 907818108 |  | 846631 | 3660 | SH |  | SOLE |  | 3660 | 0 | 0 |
| VALERO ENERGY CORP | COM | 91913Y100 |  | 130232 | 800 | SH |  | SOLE |  | 800 | 0 | 0 |
| VANGUARD CALIFORNIA TAX-EXEMPT BOND | ETF | 922021605 |  | 80208 | 800 | SH |  | SOLE |  | 800 | 0 | 0 |
| VANGUARD FTSE DEVELOPED MARKETS | ETF | 921943858 |  | 29861 | 478 | SH |  | SOLE |  | 478 | 0 | 0 |
| VANGUARD S 500 | ETF | 922908363 |  | 227648 | 363 | SH |  | SOLE |  | 363 | 0 | 0 |
| VERALTO CORP | COM | 92338C103 |  | 527138 | 5283 | SH |  | SOLE |  | 5283 | 0 | 0 |
| VERTEX PHARMACEUTICALS INC | COM | 92532F100 |  | 6436352 | 14197 | SH |  | SOLE |  | 14197 | 0 | 0 |
| VISA INC CL A | COM | 92826C839 |  | 1823692 | 5200 | SH |  | SOLE |  | 5200 | 0 | 0 |
| WABTEC | COM | 929740108 |  | 214104 | 1003 | SH |  | SOLE |  | 1003 | 0 | 0 |
| WASTE MGMT INC | COM | 94106L109 |  | 1258938 | 5730 | SH |  | SOLE |  | 5730 | 0 | 0 |
| WELLS FARGO CO | COM | 949746101 |  | 1555694 | 16692 | SH |  | SOLE |  | 16692 | 0 | 0 |
| ZOETIS INC CL A | COM | 98978V103 |  | 105689 | 840 | SH |  | SOLE |  | 840 | 0 | 0 |

---