The Securities and Exchange Commission has not necessarily reviewed the information in this filing and has not determined if it is accurate and complete.
The reader should not assume that the information is accurate and complete.

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM 13F

FORM 13F INFORMATION TABLE
OMB APPROVAL
OMB Number: 3235-0006
Estimated average burden
hours per response: 23.8
COLUMN 1 COLUMN 2 COLUMN 3 COLUMN 4 COLUMN 5 COLUMN 6 COLUMN 7 COLUMN 8
VALUE SHRS OR SH/ PUT/ INVESTMENT OTHER VOTING AUTHORITY
NAME OF ISSUER TITLE OF CLASS CUSIP (x$1000) PRN AMT PRN CALL DISCRETION MANAGER SOLE SHARED NONE
3M COMPANY COM COM 88579y101 6,203 56,140 SH   SOLE   56,140 0 0
ABBOTT LABS COM 002824100 25,853 267,189 SH   SOLE   267,189 0 0
ADOBE INC COM 00724f101 1,133 4,118 SH   SOLE   4,118 0 0
AFLAC INC COM COM 001055102 5,194 92,425 SH   SOLE   92,425 0 0
AGCO CORP COM COM 001084102 2,053 21,349 SH   SOLE   21,349 0 0
AIR PRODUCTS & CHEMICALS INC C COM 009158106 21,746 93,442 SH   SOLE   93,442 0 0
AIRBNB INC A (QSBS STOCK) COM 009066101 7,285 69,355 SH   SOLE   69,355 0 0
AKAMAI TECHNOLOGIES COM 00971t101 4,894 60,933 SH   SOLE   60,933 0 0
ALKERMES PLC COM g01767105 3,416 153,000 SH   SOLE   153,000 0 0
ALPHABET INC CAP STK CL A COM 02079K305 12,675 132,520 SH   SOLE   132,520 0 0
ALPHABET INC CLASS C COM 02079K107 17,431 181,300 SH   SOLE   181,300 0 0
AMAZON.COM INC COM 023135106 3,361 29,752 SH   SOLE   29,752 0 0
AMERICAN EXPRESS CO COM COM 025816109 849 6,300 SH   SOLE   6,300 0 0
ANALOG DEVICES INC COM COM 032654105 3,656 26,239 SH   SOLE   26,239 0 0
APOLLO ASSET MANAGEMENT INC. COM 03769M106 5,768 124,064 SH   SOLE   124,064 0 0
APPLE INC COM 037833100 54,265 392,661 SH   SOLE   392,661 0 0
ARCHAEA ENERGY INC. CL A COM 03940f103 36,040 2,001,133 SH   SOLE   2,001,133 0 0
AT&T INC COM 00206R102 1,751 114,187 SH   SOLE   114,187 0 0
AUTOMATIC DATA PROCESSING INC COM 053015103 48,851 215,977 SH   SOLE   215,977 0 0
AXALTA COATING SYSTEMS LTD SH COM g0750c108 289 13,755 SH   SOLE   13,755 0 0
BANK OF AMERICA CORP COM 060505104 3,719 123,171 SH   SOLE   123,171 0 0
BAXTER INTERNATIONAL INC COM 071813109 207 3,855 SH   SOLE   3,855 0 0
BERKSHIRE HATHAWAY INC CL B (N COM 084670702 44,934 168,280 SH   SOLE   168,280 0 0
BIO-TECHNE CORPORATION COM 09073m104 1,851 6,520 SH   SOLE   6,520 0 0
BOEING CO COM COM 097023105 438 3,620 SH   SOLE   3,620 0 0
BOOZ ALLEN HAMILTON HLDG CORP COM 099502106 531 5,760 SH   SOLE   5,760 0 0
BOSTON SCIENTIFIC CORP COM 101137107 6,535 168,737 SH   SOLE   168,737 0 0
BRISTOL MYERS SQUIBB COM 110122108 28,625 402,669 SH   SOLE   402,669 0 0
CAMBRIDGE BANCORP COM COM 132152109 633 7,950 SH   SOLE   7,950 0 0
CAMECO CORP COM 13321L108 17,061 643,576 SH   SOLE   643,576 0 0
CATERPILLAR INC COM COM 149123101 19,765 120,465 SH   SOLE   120,465 0 0
CENTRAL SECURITIES CORP COM 155123102 594 17,632 SH   SOLE   17,632 0 0
CHARGEPOINT HOLDINGS, INC. CLA COM 15961R105 147 10,000 SH   SOLE   10,000 0 0
CHARTER COMMUNICATIONS INC COM 16119P108 4,923 16,229 SH   SOLE   16,229 0 0
CHEVRON CORP NEW COM COM 166764100 5,996 41,735 SH   SOLE   41,735 0 0
CHUBB LIMITED COM h1467j104 3,734 20,534 SH   SOLE   20,534 0 0
CHURCH AND DWIGHT CO INC COM 171340102 47,078 658,990 SH   SOLE   658,990 0 0
CIGNA CORP COM (NEW) COM 125523100 228 824 SH   SOLE   824 0 0
CINTAS CORP COM COM 172908105 465 1,200 SH   SOLE   1,200 0 0
CISCO SYSTEMS INC COM COM 17275r102 7,427 185,687 SH   SOLE   185,687 0 0
CITIGROUP INC COM NEW COM 172967424 3,125 75,003 SH   SOLE   75,003 0 0
COCA-COLA CO COM COM 191216100 682 12,183 SH   SOLE   12,183 0 0
COGNIZANT TECHNOLOGY SOLUTIONS COM 192446102 3,926 68,365 SH   SOLE   68,365 0 0
COSTCO WHOLESALE CORP COM COM 22160k105 1,356 2,873 SH   SOLE   2,873 0 0
CURTISS-WRIGHT CORP COM 231561101 330 2,372 SH   SOLE   2,372 0 0
CVS HEALTH CORP COM COM 126650100 236 2,482 SH   SOLE   2,482 0 0
DANAHER CORP COM COM 235851102 1,374 5,320 SH   SOLE   5,320 0 0
DEERE & CO COM COM 244199105 287 860 SH   SOLE   860 0 0
DENTSPLY SIRONA INC COM COM 24906p109 2,439 86,047 SH   SOLE   86,047 0 0
DUKE ENERGY CORP NEW COM NEW COM 26441C204 226 2,438 SH   SOLE   2,438 0 0
EATON CORP PLC COM g29183103 983 7,375 SH   SOLE   7,375 0 0
ECOLAB INC COM 278865100 35,100 243,047 SH   SOLE   243,047 0 0
EDWARDS LIFESCIENCES CORP COM 28176e108 3,006 36,380 SH   SOLE   36,380 0 0
EISAI CO, SPONSORED ADR COM 282579309 1,409 26,325 SH   SOLE   26,325 0 0
ELI LILLY & CO COM COM 532457108 2,800 8,660 SH   SOLE   8,660 0 0
ENPHASE ENERGY, INC. COM 29355A107 332 1,200 SH   SOLE   1,200 0 0
ENTERGY CORP (NEW) COM COM 29364g103 867 8,616 SH   SOLE   8,616 0 0
ESTEE LAUDER COS INC CL A COM 518439104 427 1,982 SH   SOLE   1,982 0 0
EXPEDIA GROUP INC COM COM 30212p303 1,640 17,513 SH   SOLE   17,513 0 0
EXXON MOBIL CORP COM COM 30231g102 17,857 204,526 SH   SOLE   204,526 0 0
FERGUSON PLC COM g3421j106 974 9,468 SH   SOLE   9,468 0 0
FIRST REPUBLIC BANK COM 33616C100 462 3,545 SH   SOLE   3,545 0 0
FIRST SOLAR, INC. COM 336433107 1,800 13,611 SH   SOLE   13,611 0 0
FMC CORP COM (NEW) COM 302491303 3,058 28,937 SH   SOLE   28,937 0 0
FORGE GLOBAL HOLDINGS, INC. COM 34629l103 51 29,569 SH   SOLE   29,569 0 0
FRANKLIN RESOURCES INC COM COM 354613101 1,834 85,259 SH   SOLE   85,259 0 0
GENERAL ELEC CO COM 369604301 3,091 49,941 SH   SOLE   49,941 0 0
GENERAL MILLS INC COM COM 370334104 2,105 27,480 SH   SOLE   27,480 0 0
GENPACT LIMITED COM G3922b107 299 6,850 SH   SOLE   6,850 0 0
GLOBAL PAYMENTS INC. COM 37940x102 3,972 36,769 SH   SOLE   36,769 0 0
HB FULLER CO COM 359694106 17,499 291,178 SH   SOLE   291,178 0 0
HOME DEPOT INC COM COM 437076102 5,823 21,106 SH   SOLE   21,106 0 0
HONEYWELL INTERNATIONAL INC CO COM 438516106 254 1,522 SH   SOLE   1,522 0 0
INSULET CORPORATION COM 45784p101 384 1,677 SH   SOLE   1,677 0 0
INTEL CORP COM 458140100 3,696 143,451 SH   SOLE   143,451 0 0
INTERNATIONAL BUSINESS MACHINE COM 459200101 2,006 16,888 SH   SOLE   16,888 0 0
INTERNATIONAL PAPER CO COM COM 460146103 221 7,000 SH   SOLE   7,000 0 0
INTUIT, INC. COM 461202103 463 1,196 SH   SOLE   1,196 0 0
IQVIA HOLDINGS INC COM 46266c105 543 3,000 SH   SOLE   3,000 0 0
ISHARES GOLD TRUST COM 464285204 541 17,174 SH   SOLE   17,174 0 0
ISHARES MSCI EMERGING MKT INDE COM 464287234 213 6,125 SH   SOLE   6,125 0 0
ISHARES MSCI JAPAN SMALL CAP E COM 464286582 876 15,000 SH   SOLE   15,000 0 0
ISHARES RUSSELL 1000 GROWTH IN COM 464287614 309 1,469 SH   SOLE   1,469 0 0
ISHARES RUSSELL 1000 VALUE IND COM 464287598 686 5,050 SH   SOLE   5,050 0 0
ISHARES RUSSELL 2000 GROWTH IN COM 464287648 274 1,329 SH   SOLE   1,329 0 0
ISHARES RUSSELL MIDCAP INDEX E COM 464287499 518 8,344 SH   SOLE   8,344 0 0
ISHARES S&P 500 VALUE INDEX ET COM 464287408 559 4,350 SH   SOLE   4,350 0 0
ISHARES S&P 500/BARRA GROWTH I COM 464287309 2,058 35,586 SH   SOLE   35,586 0 0
JOHNSON & JOHNSON COM 478160104 31,348 191,897 SH   SOLE   191,897 0 0
JPMORGAN CHASE & CO COM 46625H100 2,591 24,799 SH   SOLE   24,799 0 0
KEMPER CORP COM 488401100 911 22,080 SH   SOLE   22,080 0 0
KIMBERLY-CLARK CORP COM COM 494368103 3,131 27,830 SH   SOLE   27,830 0 0
LIBERTY BRAVES GROUP-C COM 531229888 576 20,975 SH   SOLE   20,975 0 0
LIBERTY BROADBAND SER A COM 530307107 6,617 88,703 SH   SOLE   88,703 0 0
LIBERTY BROADBAND SER C COM 530307305 23,181 314,109 SH   SOLE   314,109 0 0
LIBERTY FORMULA ONE SER C COM 531229854 7,141 122,078 SH   SOLE   122,078 0 0
LIBERTY GLOBAL PLC CL A COM G5480U104 4,792 307,427 SH   SOLE   307,427 0 0
LIBERTY GLOBAL PLC- C COM G5480U120 7,789 472,100 SH   SOLE   472,100 0 0
LIBERTY LATIN AMERICA LTD COM g9001e128 4,321 702,699 SH   SOLE   702,699 0 0
LIBERTY LATIN AMERICA LTD CL A COM G9001E102 16,618 2,684,656 SH   SOLE   2,684,656 0 0
LIBERTY MEDIA CORP- LIBERTY FO COM 531229870 4,058 77,268 SH   SOLE   77,268 0 0
LIBERTY MEDIA CORP- LIBERTY SI COM 531229607 25,698 681,490 SH   SOLE   681,490 0 0
LIBERTY SIRIUSXM GROUP COM 531229409 7,657 201,138 SH   SOLE   201,138 0 0
LINDE PLC COM G5494J103 7,723 28,649 SH   SOLE   28,649 0 0
LIVENT CORP. COM 53814L108 1,888 61,612 SH   SOLE   61,612 0 0
LKQ CORP COM COM 501889208 612 13,000 SH   SOLE   13,000 0 0
LOWE'S COMPANIES, INC COM 548661107 1,171 6,238 SH   SOLE   6,238 0 0
LYONDELLBASELL INDUSTRIES NV C COM n53745100 828 11,000 SH   SOLE   11,000 0 0
MARQETA INC. CL A COM 57142b104 100 14,184 SH   SOLE   14,184 0 0
MARSH & MCLENNAN COS INC COM 571748102 298 2,000 SH   SOLE   2,000 0 0
MARVELL TECHNOLOGY, INC. COM 573874104 453 10,573 SH   SOLE   10,573 0 0
MASTERCARD INC CL A COM 57636q104 1,253 4,408 SH   SOLE   4,408 0 0
MCDONALD'S CORP COM COM 580135101 2,033 8,815 SH   SOLE   8,815 0 0
MEDTRONIC PLC COM g5960l103 16,037 198,605 SH   SOLE   198,605 0 0
MERCK & CO INC COM 58933y105 34,357 398,952 SH   SOLE   398,952 0 0
META PLATFORMS INC. CLASS A (F COM 30303M102 2,622 19,329 SH   SOLE   19,329 0 0
MICROSOFT CORP COM 594918104 33,114 142,183 SH   SOLE   142,183 0 0
MONDELEZ INTERNATIONAL INC COM COM 609207105 203 3,715 SH   SOLE   3,715 0 0
MORGAN STANLEY COM COM 617446448 1,099 13,915 SH   SOLE   13,915 0 0
MOSAIC CO COM COM 61945c103 57,479 1,189,319 SH   SOLE   1,189,319 0 0
NEWELL BRANDS INC COM 651229106 527 38,000 SH   SOLE   38,000 0 0
NEXTERA ENERGY, INC. COM 65339f101 1,008 12,860 SH   SOLE   12,860 0 0
NIKE INC CL B COM 654106103 201 2,420 SH   SOLE   2,420 0 0
NORTHRUP GRUMMAN CORP. COM 666807102 231 492 SH   SOLE   492 0 0
NUTRIEN LTD COM 67077m108 1,500 18,000 SH   SOLE   18,000 0 0
OKTA, INC. COM 679295105 1,081 19,025 SH   SOLE   19,025 0 0
ORGANON & Co. COM 68622v106 448 19,180 SH   SOLE   19,180 0 0
PALO ALTO NETWORKS INC COM 697435105 4,701 28,707 SH   SOLE   28,707 0 0
PAYCHEX INC COM COM 704326107 208 1,855 SH   SOLE   1,855 0 0
PAYPAL HLDGS INC COM COM 70450Y103 2,008 23,339 SH   SOLE   23,339 0 0
PEPSICO INC COM 713448108 20,206 123,766 SH   SOLE   123,766 0 0
PFIZER INC COM 717081103 1,499 34,270 SH   SOLE   34,270 0 0
PIONEER NATURAL RESOURCES CO C COM 723787107 48,578 224,349 SH   SOLE   224,349 0 0
PNC FINANCIAL SERVICES GROUP I COM 693475105 388 2,600 SH   SOLE   2,600 0 0
PROCTER & GAMBLE CO COM 742718109 2,978 23,592 SH   SOLE   23,592 0 0
PROSUS NV - SPONSORED ADR COM 74365p108 9,890 935,407 SH   SOLE   935,407 0 0
PURE STORAGE, INC. COM 74624m102 5,211 190,420 SH   SOLE   190,420 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513e101 1,750 21,378 SH   SOLE   21,378 0 0
REDFIN CORP. COM 75737f108 65 11,272 SH   SOLE   11,272 0 0
RICE ACQUISTION CORP II 14 W COM g75529118 1,028 103,900 SH   SOLE   103,900 0 0
ROBLOX CORP. COM 771049103 1,097 30,610 SH   SOLE   30,610 0 0
ROCHE HOLDING LTD SPONSORED AD COM 771195104 1,934 47,100 SH   SOLE   47,100 0 0
ROCKWELL AUTOMATION INC COM COM 773903109 215 1,000 SH   SOLE   1,000 0 0
ROLLINS INC COM COM 775711104 5,439 156,847 SH   SOLE   156,847 0 0
ROYALTY PHARMA PLC CL A COM G7709Q104 6,425 159,915 SH   SOLE   159,915 0 0
SALESFORCE,INC. COM 79466L302 406 2,829 SH   SOLE   2,829 0 0
SIEMENS GAMESA RENEWABLE ENERG COM 82621P101 70 20,000 SH   SOLE   20,000 0 0
SONY GROUP CORPORATION ADR COM 835699307 704 11,000 SH   SOLE   11,000 0 0
SPDR GOLD TRUST COM 78463v107 12,474 80,650 SH   SOLE   80,650 0 0
SPDR S&P BIOTECH ETF COM 78464a870 305 3,857 SH   SOLE   3,857 0 0
STANDEX INTL CORP COM 854231107 265 3,250 SH   SOLE   3,250 0 0
STARBUCKS CORP COM COM 855244109 311 3,700 SH   SOLE   3,700 0 0
STERICYCLE INC COM 858912108 472 11,230 SH   SOLE   11,230 0 0
STRYKER CORP. COM 863667101 3,857 19,045 SH   SOLE   19,045 0 0
SUMO LOGIC, INC. COM 86646p103 560 74,788 SH   SOLE   74,788 0 0
SVB FINL GROUP COM 78486Q101 303 904 SH   SOLE   904 0 0
TE CONNECTIVITY LTD COM h84989104 2,619 23,733 SH   SOLE   23,733 0 0
TEXAS INSTRUMENTS INC COM COM 882508104 320 2,070 SH   SOLE   2,070 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 20,658 40,732 SH   SOLE   40,732 0 0
TJX COS INC NEW COM COM 872540109 1,970 31,725 SH   SOLE   31,725 0 0
TRANE TECHNOLOGIES PLC COM g8994e103 269 1,860 SH   SOLE   1,860 0 0
TRUIST FINANCIAL CORP COM 89832q109 604 13,894 SH   SOLE   13,894 0 0
UNION PACIFIC CORP COM 907818108 14,274 73,271 SH   SOLE   73,271 0 0
UNITED PARCEL SERVICE INC CL B COM 911312106 670 4,150 SH   SOLE   4,150 0 0
UNITEDHEALTH GROUP INC COM COM 91324p102 2,051 4,062 SH   SOLE   4,062 0 0
VANECK GOLD MINERS ETF COM 92189f106 1,985 82,312 SH   SOLE   82,312 0 0
VANGUARD DIVIDEND APPRECIATION COM 921908844 3,286 24,316 SH   SOLE   24,316 0 0
VANGUARD FTSE ALL-WORLD EX-US COM 922042775 1,558 35,124 SH   SOLE   35,124 0 0
VANGUARD FTSE DEVELOPED ETF COM 921943858 223 6,150 SH   SOLE   6,150 0 0
VANGUARD FTSE EMERGING MARKET COM 922042858 1,805 49,481 SH   SOLE   49,481 0 0
VANGUARD MSCI EUROPEAN INDEX E COM 922042874 1,846 40,000 SH   SOLE   40,000 0 0
VANGUARD TOTAL STOCK MKT ETF COM 922908769 517 2,882 SH   SOLE   2,882 0 0
VERIZON COMMUNICATIONS COM 92343V104 516 13,590 SH   SOLE   13,590 0 0
VESTAS WIND SYSTEM A/S UnSPONS COM 925458101 575 92,500 SH   SOLE   92,500 0 0
VISA INC COM CL A COM 92826C839 1,116 6,286 SH   SOLE   6,286 0 0
WALMART STORES INC COM COM 931142103 324 2,500 SH   SOLE   2,500 0 0
WALT DISNEY COMPANY COM 254687106 252 2,677 SH   SOLE   2,677 0 0
WARNER BROS. DISCOVERY, INC. S COM 934423104 317 27,586 SH   SOLE   27,586 0 0
WATERS CORP COM COM 941848103 2,419 8,975 SH   SOLE   8,975 0 0
WEC ENERGY GROUP INC COM COM 92939u106 3,956 44,237 SH   SOLE   44,237 0 0
WELLS FARGO & CO COM 949746101 2,823 70,205 SH   SOLE   70,205 0 0
WISDOMTREE JAPAN HEDGED EQUITY COM 97717w851 1,233 20,000 SH   SOLE   20,000 0 0
WORKDAY INC A COM 98138h101 4,021 26,419 SH   SOLE   26,419 0 0
ZOETIS INC COM USD0.01 CL A COM 98978V103 1,729 11,665 SH   SOLE   11,665 0 0