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 8,358 56,140 SH   SOLE   56,140 0 0
ABBOTT LABS COM 002824100 32,177 271,865 SH   SOLE   271,865 0 0
ADOBE INC COM 00724f101 1,876 4,118 SH   SOLE   4,118 0 0
AFLAC INC COM COM 001055102 6,051 93,985 SH   SOLE   93,985 0 0
AGCO CORP COM COM 001084102 3,122 21,384 SH   SOLE   21,384 0 0
AIR PRODUCTS & CHEMICALS INC C COM 009158106 23,347 93,422 SH   SOLE   93,422 0 0
AIRBNB INC A (QSBS STOCK) COM 009066101 11,912 69,355 SH   SOLE   69,355 0 0
AKAMAI TECHNOLOGIES COM 00971t101 3,349 28,053 SH   SOLE   28,053 0 0
ALKERMES PLC COM g01767105 4,025 153,000 SH   SOLE   153,000 0 0
ALPHABET INC CAP STK CL A COM 02079K305 18,404 6,617 SH   SOLE   6,617 0 0
ALPHABET INC CLASS C COM 02079K107 24,916 8,921 SH   SOLE   8,921 0 0
AMAZON.COM INC COM 023135106 4,730 1,451 SH   SOLE   1,451 0 0
AMERICAN EXPRESS CO COM COM 025816109 1,178 6,300 SH   SOLE   6,300 0 0
AMGEN INC COM 031162100 200 830 SH   SOLE   830 0 0
ANALOG DEVICES INC COM COM 032654105 4,331 26,225 SH   SOLE   26,225 0 0
APOLLO ASSET MANAGEMENT INC. COM 03769M106 9,054 146,064 SH   SOLE   146,064 0 0
APPLE INC COM 037833100 74,656 427,564 SH   SOLE   427,564 0 0
ARCHAEA ENERGY INC. CL A COM 03940f103 31,085 1,417,477 SH   SOLE   1,417,477 0 0
AT&T INC COM 00206R102 2,783 117,792 SH   SOLE   117,792 0 0
AUTOMATIC DATA PROCESSING INC COM 053015103 50,523 222,044 SH   SOLE   222,044 0 0
AXALTA COATING SYSTEMS LTD SH COM g0750c108 338 13,755 SH   SOLE   13,755 0 0
BANK OF AMERICA CORP COM 060505104 5,075 123,121 SH   SOLE   123,121 0 0
BAXTER INTERNATIONAL INC COM 071813109 298 3,855 SH   SOLE   3,855 0 0
BECTON DICKINSON & CO COM 075887109 219 825 SH   SOLE   825 0 0
BERKSHIRE HATHAWAY INC CL B (N COM 084670702 67,287 190,666 SH   SOLE   190,666 0 0
BIO-TECHNE CORPORATION COM 09073m104 2,823 6,520 SH   SOLE   6,520 0 0
BOEING CO COM COM 097023105 693 3,620 SH   SOLE   3,620 0 0
BOOZ ALLEN HAMILTON HLDG CORP COM 099502106 509 5,805 SH   SOLE   5,805 0 0
BOSTON SCIENTIFIC CORP COM 101137107 7,526 169,937 SH   SOLE   169,937 0 0
BRISTOL MYERS SQUIBB COM 110122108 29,562 404,793 SH   SOLE   404,793 0 0
CAMBRIDGE BANCORP COM COM 132152109 675 7,950 SH   SOLE   7,950 0 0
CAMECO CORP COM 13321L108 18,678 641,882 SH   SOLE   641,882 0 0
CATERPILLAR INC COM COM 149123101 28,267 126,864 SH   SOLE   126,864 0 0
CDK GLOBAL INC COM 12508e101 1,289 26,494 SH   SOLE   26,494 0 0
CENTRAL SECURITIES CORP COM 155123102 803 19,408 SH   SOLE   19,408 0 0
CERNER CORP COM 156782104 4,543 48,559 SH   SOLE   48,559 0 0
CHARTER COMMUNICATIONS INC COM 16119P108 10,442 19,142 SH   SOLE   19,142 0 0
CHEVRON CORP NEW COM COM 166764100 7,205 44,254 SH   SOLE   44,254 0 0
CHUBB LIMITED COM h1467j104 4,518 21,125 SH   SOLE   21,125 0 0
CHURCH AND DWIGHT CO INC COM 171340102 70,279 707,183 SH   SOLE   707,183 0 0
CINTAS CORP COM COM 172908105 595 1,400 SH   SOLE   1,400 0 0
CISCO SYSTEMS INC COM COM 17275r102 11,257 201,887 SH   SOLE   201,887 0 0
CITIGROUP INC COM NEW COM 172967424 4,005 75,003 SH   SOLE   75,003 0 0
COCA-COLA CO COM COM 191216100 744 12,007 SH   SOLE   12,007 0 0
COGNIZANT TECHNOLOGY SOLUTIONS COM 192446102 6,130 68,365 SH   SOLE   68,365 0 0
COINBASE GLOBAL, Inc. CL A COM 19260q107 295 1,556 SH   SOLE   1,556 0 0
COSTCO WHOLESALE CORP COM COM 22160k105 1,646 2,860 SH   SOLE   2,860 0 0
CURTISS-WRIGHT CORP COM 231561101 356 2,372 SH   SOLE   2,372 0 0
CVS HEALTH CORP COM COM 126650100 605 5,982 SH   SOLE   5,982 0 0
DANAHER CORP COM COM 235851102 1,560 5,320 SH   SOLE   5,320 0 0
DEERE & CO COM COM 244199105 357 860 SH   SOLE   860 0 0
DENTSPLY SIRONA INC COM COM 24906p109 4,200 85,347 SH   SOLE   85,347 0 0
DROPBOX INC. CL A COM 26210c104 205 8,836 SH   SOLE   8,836 0 0
DUKE ENERGY CORP NEW COM NEW COM 26441C204 272 2,438 SH   SOLE   2,438 0 0
EATON CORP PLC COM g29183103 1,062 7,000 SH   SOLE   7,000 0 0
ECOLAB INC COM 278865100 42,680 241,731 SH   SOLE   241,731 0 0
EDWARDS LIFESCIENCES CORP COM 28176e108 4,337 36,850 SH   SOLE   36,850 0 0
EISAI CO, SPONSORED ADR COM 282579309 1,167 25,000 SH   SOLE   25,000 0 0
ELI LILLY & CO COM COM 532457108 2,517 8,790 SH   SOLE   8,790 0 0
ENPHASE ENERGY, INC. COM 29355A107 242 1,200 SH   SOLE   1,200 0 0
ENTERGY CORP (NEW) COM COM 29364g103 1,005 8,616 SH   SOLE   8,616 0 0
ESTEE LAUDER COS INC CL A COM 518439104 505 1,855 SH   SOLE   1,855 0 0
EXPEDIA GROUP INC COM COM 30212p303 3,462 17,698 SH   SOLE   17,698 0 0
EXXON MOBIL CORP COM COM 30231g102 18,851 228,253 SH   SOLE   228,253 0 0
FERGUSON PLC COM g3421j106 1,269 9,468 SH   SOLE   9,468 0 0
FIRST REPUBLIC BANK COM 33616C100 574 3,545 SH   SOLE   3,545 0 0
FIRST SOLAR, INC. COM 336433107 1,139 13,611 SH   SOLE   13,611 0 0
FMC CORP COM (NEW) COM 302491303 3,807 28,937 SH   SOLE   28,937 0 0
FRANKLIN RESOURCES INC COM 354613101 2,380 85,259 SH   SOLE   85,259 0 0
GENERAL ELEC CO COM 369604301 4,577 50,031 SH   SOLE   50,031 0 0
GENERAL MILLS INC COM COM 370334104 2,944 43,480 SH   SOLE   43,480 0 0
GENPACT LIMITED COM G3922b107 298 6,850 SH   SOLE   6,850 0 0
GLOBAL PAYMENTS INC. COM 37940x102 4,882 35,682 SH   SOLE   35,682 0 0
HB FULLER CO COM 359694106 20,035 303,253 SH   SOLE   303,253 0 0
HILLENBRAND INC COM COM 431571108 220 5,000 SH   SOLE   5,000 0 0
HOME DEPOT INC COM COM 437076102 6,315 21,100 SH   SOLE   21,100 0 0
HONEYWELL INTERNATIONAL INC CO COM 438516106 286 1,470 SH   SOLE   1,470 0 0
ILLINOIS TOOL WORKS INC COM COM 452308109 860 4,107 SH   SOLE   4,107 0 0
INSULET CORPORATION COM 45784p101 339 1,275 SH   SOLE   1,275 0 0
INTEL CORP COM 458140100 7,109 143,451 SH   SOLE   143,451 0 0
INTERNATIONAL BUSINESS MACHINE COM 459200101 2,195 16,888 SH   SOLE   16,888 0 0
INTERNATIONAL PAPER CO COM COM 460146103 323 7,000 SH   SOLE   7,000 0 0
IQVIA HOLDINGS INC COM 46266c105 693 3,000 SH   SOLE   3,000 0 0
ISHARES GOLD TRUST COM 464285204 632 17,181 SH   SOLE   17,181 0 0
ISHARES MSCI EMERGING MKT INDE COM 464287234 276 6,125 SH   SOLE   6,125 0 0
ISHARES MSCI JAPAN SMALL CAP E COM 464286582 1,035 15,000 SH   SOLE   15,000 0 0
ISHARES RUSSELL 1000 GROWTH IN COM 464287614 407 1,469 SH   SOLE   1,469 0 0
ISHARES RUSSELL 1000 VALUE IND COM 464287598 838 5,050 SH   SOLE   5,050 0 0
ISHARES RUSSELL 2000 GROWTH IN COM 464287648 339 1,329 SH   SOLE   1,329 0 0
ISHARES RUSSELL MIDCAP INDEX E COM 464287499 608 7,800 SH   SOLE   7,800 0 0
ISHARES S&P 500 VALUE INDEX ET COM 464287408 677 4,350 SH   SOLE   4,350 0 0
ISHARES S&P 500/BARRA GROWTH I COM 464287309 2,718 35,586 SH   SOLE   35,586 0 0
JOHNSON & JOHNSON COM 478160104 36,859 207,976 SH   SOLE   207,976 0 0
JPMORGAN CHASE & CO COM 46625H100 3,360 24,655 SH   SOLE   24,655 0 0
KEMPER CORP COM 488401100 1,248 22,080 SH   SOLE   22,080 0 0
KIMBERLY-CLARK CORP COM COM 494368103 3,418 27,756 SH   SOLE   27,756 0 0
LIBERTY BRAVES GROUP-C COM 531229888 604 21,646 SH   SOLE   21,646 0 0
LIBERTY BROADBAND SER A COM 530307107 11,689 89,194 SH   SOLE   89,194 0 0
LIBERTY BROADBAND SER C COM 530307305 43,890 324,347 SH   SOLE   324,347 0 0
LIBERTY FORMULA ONE SER C COM 531229854 8,594 123,061 SH   SOLE   123,061 0 0
LIBERTY GLOBAL PLC CL A COM G5480U104 7,845 307,565 SH   SOLE   307,565 0 0
LIBERTY GLOBAL PLC- C COM G5480U120 12,232 472,100 SH   SOLE   472,100 0 0
LIBERTY LATIN AMERICA LTD COM g9001e128 6,761 705,075 SH   SOLE   705,075 0 0
LIBERTY LATIN AMERICA LTD CL A COM G9001E102 23,713 2,444,640 SH   SOLE   2,444,640 0 0
LIBERTY MEDIA CORP- LIBERTY FO COM 531229870 4,973 78,789 SH   SOLE   78,789 0 0
LIBERTY MEDIA CORP- LIBERTY SI COM 531229607 31,148 681,135 SH   SOLE   681,135 0 0
LIBERTY SIRIUSXM GROUP COM 531229409 9,283 203,104 SH   SOLE   203,104 0 0
LINDE PLC COM G5494J103 9,152 28,653 SH   SOLE   28,653 0 0
LIONS GATE ENTERTAINMENT CORP COM 535919500 399 26,567 SH   SOLE   26,567 0 0
LIVENT CORP. COM 53814L108 1,610 61,765 SH   SOLE   61,765 0 0
LKQ CORP COM COM 501889208 590 13,000 SH   SOLE   13,000 0 0
LOWE'S COMPANIES, INC COM 548661107 1,303 6,446 SH   SOLE   6,446 0 0
LYONDELLBASELL INDUSTRIES NV C COM n53745100 1,131 11,000 SH   SOLE   11,000 0 0
MARQETA INC. CL A COM 57142b104 156 14,184 SH   SOLE   14,184 0 0
MARSH & MCLENNAN COS INC COM 571748102 340 2,000 SH   SOLE   2,000 0 0
MARVELL TECHNOLOGY, INC. COM 573874104 758 10,573 SH   SOLE   10,573 0 0
MASTERCARD INC CL A COM 57636q104 1,570 4,394 SH   SOLE   4,394 0 0
MCDONALD'S CORP COM COM 580135101 2,295 9,282 SH   SOLE   9,282 0 0
MEDTRONIC PLC COM g5960l103 22,089 199,092 SH   SOLE   199,092 0 0
MERCK & CO INC COM 58933y105 33,280 405,608 SH   SOLE   405,608 0 0
META PLATFORMS INC. CLASS A (F COM 30303M102 4,443 19,983 SH   SOLE   19,983 0 0
MICROSOFT CORP COM 594918104 43,454 140,944 SH   SOLE   140,944 0 0
MONDELEZ INTERNATIONAL INC COM COM 609207105 225 3,590 SH   SOLE   3,590 0 0
MORGAN STANLEY COM COM 617446448 1,216 13,915 SH   SOLE   13,915 0 0
MOSAIC CO COM COM 61945c103 79,877 1,201,160 SH   SOLE   1,201,160 0 0
MRC GLOBAL INC COM 55345k103 214 18,000 SH   SOLE   18,000 0 0
NEWELL BRANDS INC COM 651229106 813 38,000 SH   SOLE   38,000 0 0
NEXTERA ENERGY, INC. COM 65339f101 1,080 12,760 SH   SOLE   12,760 0 0
NIKE INC CL B COM 654106103 325 2,420 SH   SOLE   2,420 0 0
NORTHRUP GRUMMAN CORP. COM 666807102 220 492 SH   SOLE   492 0 0
NUTRIEN LTD COM 67077m108 1,871 18,000 SH   SOLE   18,000 0 0
OKTA, INC. COM 679295105 2,872 19,025 SH   SOLE   19,025 0 0
ORGANON & Co. COM 68622v106 1,180 33,797 SH   SOLE   33,797 0 0
PALO ALTO NETWORKS INC COM 697435105 5,956 9,569 SH   SOLE   9,569 0 0
PAYCHEX INC COM COM 704326107 253 1,855 SH   SOLE   1,855 0 0
PAYPAL HLDGS INC COM COM 70450Y103 2,763 23,896 SH   SOLE   23,896 0 0
PEPSICO INC COM 713448108 20,785 124,180 SH   SOLE   124,180 0 0
PFIZER INC COM 717081103 1,745 33,720 SH   SOLE   33,720 0 0
PIONEER NATURAL RESOURCES CO COM 723787107 56,983 227,906 SH   SOLE   227,906 0 0
PNC FINANCIAL SERVICES GROUP I COM 693475105 479 2,600 SH   SOLE   2,600 0 0
PROCTER & GAMBLE CO COM 742718109 4,136 27,074 SH   SOLE   27,074 0 0
PROSUS NV - SPONSORED ADR COM 74365p108 9,193 850,507 SH   SOLE   850,507 0 0
PURE STORAGE, INC. COM 74624m102 6,723 190,420 SH   SOLE   190,420 0 0
QURATE RETAIL INC COM 74915M100 752 158,139 SH   SOLE   158,139 0 0
RAYTHEON TECHNOLOGIES CORP COM 75513e101 2,117 21,370 SH   SOLE   21,370 0 0
REDFIN CORP. COM 75737f108 248 13,777 SH   SOLE   13,777 0 0
RICE ACQUISTION CORP II 14 W COM g75529118 1,039 103,900 SH   SOLE   103,900 0 0
ROBLOX CORP. COM 771049103 1,415 30,610 SH   SOLE   30,610 0 0
ROCHE HOLDING LTD SPONSORED AD COM 771195104 2,344 47,100 SH   SOLE   47,100 0 0
ROCKWELL AUTOMATION INC COM COM 773903109 280 1,000 SH   SOLE   1,000 0 0
ROLLINS INC COM COM 775711104 5,497 156,847 SH   SOLE   156,847 0 0
ROYALTY PHARMA PLC CL A COM G7709Q104 6,229 159,895 SH   SOLE   159,895 0 0
SALESFORCE,INC. COM 79466L302 598 2,821 SH   SOLE   2,821 0 0
SIEMENS GAMESA RENEWABLE ENERG COM 82621P101 60 17,000 SH   SOLE   17,000 0 0
SONY GROUP CORPORATION ADR COM 835699307 1,129 11,000 SH   SOLE   11,000 0 0
SPDR GOLD TRUST COM 78463v107 14,569 80,650 SH   SOLE   80,650 0 0
STANDEX INTL CORP COM 854231107 324 3,250 SH   SOLE   3,250 0 0
STARBUCKS CORP COM COM 855244109 336 3,700 SH   SOLE   3,700 0 0
STERICYCLE INC COM 858912108 1,048 17,799 SH   SOLE   17,799 0 0
STRYKER CORP. COM 863667101 5,091 19,045 SH   SOLE   19,045 0 0
SUMO LOGIC, INC. COM 86646p103 872 74,788 SH   SOLE   74,788 0 0
SVB FINL GROUP COM 78486Q101 515 922 SH   SOLE   922 0 0
TE CONNECTIVITY LTD COM h84989104 3,089 23,588 SH   SOLE   23,588 0 0
TEXAS INSTRUMENTS INC COM COM 882508104 379 2,070 SH   SOLE   2,070 0 0
THERMO FISHER SCIENTIFIC INC COM 883556102 26,417 44,726 SH   SOLE   44,726 0 0
TJX COS INC NEW COM COM 872540109 1,915 31,615 SH   SOLE   31,615 0 0
TRANE TECHNOLOGIES PLC COM g8994e103 284 1,860 SH   SOLE   1,860 0 0
TRUIST FINANCIAL CORP COM 89832q109 787 13,894 SH   SOLE   13,894 0 0
UNION PACIFIC CORP COM 907818108 20,455 74,871 SH   SOLE   74,871 0 0
UNITED PARCEL SERVICE INC CL B COM 911312106 898 4,190 SH   SOLE   4,190 0 0
UNITEDHEALTH GROUP INC COM COM 91324p102 2,071 4,062 SH   SOLE   4,062 0 0
VANECK GOLD MINERS ETF COM 92189f106 3,161 82,451 SH   SOLE   82,451 0 0
VANGUARD DIVIDEND APPRECIATION COM 921908844 3,943 24,316 SH   SOLE   24,316 0 0
VANGUARD FTSE ALL-WORLD EX-US COM 922042775 2,123 36,866 SH   SOLE   36,866 0 0
VANGUARD FTSE DEVELOPED ETF COM 921943858 295 6,150 SH   SOLE   6,150 0 0
VANGUARD FTSE EMERGING MARKET COM 922042858 2,644 57,331 SH   SOLE   57,331 0 0
VANGUARD MSCI EUROPEAN INDEX E COM 922042874 2,491 40,000 SH   SOLE   40,000 0 0
VANGUARD TOTAL STOCK MKT ETF COM 922908769 666 2,927 SH   SOLE   2,927 0 0
VERIZON COMMUNICATIONS COM 92343V104 682 13,392 SH   SOLE   13,392 0 0
VESTAS WIND SYSTEM A/S UnSPONS COM 925458101 911 91,500 SH   SOLE   91,500 0 0
VISA INC COM CL A COM 92826C839 1,402 6,322 SH   SOLE   6,322 0 0
WALMART STORES INC COM COM 931142103 372 2,500 SH   SOLE   2,500 0 0
WALT DISNEY COMPANY COM 254687106 4,340 31,647 SH   SOLE   31,647 0 0
WATERS CORP COM COM 941848103 2,785 8,975 SH   SOLE   8,975 0 0
WEC ENERGY GROUP INC COM COM 92939u106 4,415 44,237 SH   SOLE   44,237 0 0
WELLS FARGO & CO COM 949746101 3,737 77,124 SH   SOLE   77,124 0 0
WISDOMTREE JAPAN HEDGED EQUITY COM 97717w851 1,280 20,000 SH   SOLE   20,000 0 0
WORKDAY INC A COM 98138h101 6,326 26,419 SH   SOLE   26,419 0 0
ZOETIS INC COM USD0.01 CL A COM 98978V103 2,201 11,675 SH   SOLE   11,675 0 0