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
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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
Amazon.com, Inc. Stock 023135106 33,352 314,015 SH   SOLE 0 314,015 0 0
Starbucks Corporation Stock 855244109 843 11,041 SH   SOLE 0 11,041 0 0
Alnylam Pharmaceuticals, Inc Stock 02043Q107 374 2,563 SH   SOLE 0 2,563 0 0
iShares Gold Trust ETF 464285204 1,207 35,187 SH   SOLE 0 35,187 0 0
Willis Towers Watson Plc Ltd Shs Stock G96629103 1,269 6,429 SH   SOLE 0 6,429 0 0
Johnson & Johnson Stock 478160104 8,355 47,070 SH   SOLE 0 47,070 0 0
Vanguard Total Stock Market Index Fund ETF 922908769 360 1,911 SH   SOLE 0 1,911 0 0
Costco Wholesale Corporation Stock 22160K105 328 684 SH   SOLE 0 683 0 0
Cabot Corporation Stock 127055101 4,316 67,664 SH   SOLE 0 67,664 0 0
iShares MSCI Emerging Markets ETF ETF 464287234 1,940 48,375 SH   SOLE 0 48,375 0 0
Goldman Sachs Group, Inc. Stock 38141G104 212 713 SH   SOLE 0 712 0 0
Las Vegas Sands Corp. Stock 517834107 560 16,679 SH   SOLE 0 16,679 0 0
Boston Scientific Corporation Stock 101137107 416 11,165 SH   SOLE 0 11,165 0 0
Procter & Gamble Company Stock 742718109 2,923 20,326 SH   SOLE 0 20,326 0 0
Coca-Cola Company Stock 191216100 4,192 66,628 SH   SOLE 0 66,628 0 0
PowerShares DB Commodity Index Tracking Fund ETF 46138B103 2,155 80,900 SH   SOLE 0 80,900 0 0
Cabot Microelectronics Corporation Stock 12571T100 3,568 20,450 SH   SOLE 0 20,450 0 0
CME Group Inc. Class A Stock 12572Q105 28,202 137,771 SH   SOLE 0 137,770 0 0
Medtronic Plc Stock G5960L103 1,117 12,448 SH   SOLE 0 12,448 0 0
Fortive Corp. Stock 34959J108 24,346 447,709 SH   SOLE 0 447,708 0 0
Netflix, Inc. Stock 64110L106 390 2,230 SH   SOLE 0 2,230 0 0
Paychex, Inc. Stock 704326107 1,446 12,703 SH   SOLE 0 12,703 0 0
Integer Holdings Corporation Stock 45826H109 23,200 328,328 SH   SOLE 0 328,328 0 0
Pool Corporation Com Stock 73278L105 593 1,687 SH   SOLE 0 1,687 0 0
Estee Lauder Companies Inc. Class A Stock 518439104 344 1,352 SH   SOLE 0 1,352 0 0
Merck & Co., Inc. Stock 58933Y105 1,121 12,293 SH   SOLE 0 12,293 0 0
SPDR S&P 500 ETF Trust ETF 78462F103 5,549 14,708 SH   SOLE 0 14,707 0 0
Nordson Corp Com Stock 655663102 210 1,037 SH   SOLE 0 1,037 0 0
Diageo plc Sponsored ADR ADR 25243Q205 216 1,240 SH   SOLE 0 1,240 0 0
Vertex Pharmaceuticals Incorporated Stock 92532F100 683 2,423 SH   SOLE 0 2,423 0 0
Verizon Communications Inc. Stock 92343V104 644 12,689 SH   SOLE 0 12,689 0 0
Chubb Limited Stock H1467J104 388 1,976 SH   SOLE 0 1,975 0 0
Sherwin-Williams Company Stock 824348106 23,406 104,534 SH   SOLE 0 104,534 0 0
TE Connectivity Ltd. Stock H84989104 319 2,819 SH   SOLE 0 2,819 0 0
Honeywell International Inc. Stock 438516106 3,621 20,832 SH   SOLE 0 20,831 0 0
Xcel Energy Inc. Stock 98389B100 322 4,555 SH   SOLE 0 4,555 0 0
Home Depot, Inc. Stock 437076102 21,166 77,172 SH   SOLE 0 77,172 0 0
Baxter International Inc. Stock 071813109 317 4,930 SH   SOLE 0 4,930 0 0
Automatic Data Processing, Inc. Stock 053015103 2,481 11,814 SH   SOLE 0 11,814 0 0
Becton, Dickinson and Company Stock 075887109 1,015 4,116 SH   SOLE 0 4,116 0 0
Broadridge Financial Solutions, Inc. Stock 11133T103 4,213 29,552 SH   SOLE 0 29,552 0 0
Steris Plc Stock G8473T100 4,967 24,093 SH   SOLE 0 24,093 0 0
Centene Corporation Stock 15135B101 904 10,686 SH   SOLE 0 10,686 0 0
United Therapeutics Corp Del Com Stock 91307C102 589 2,500 SH   SOLE 0 2,500 0 0
Waste Connections, Inc. Stock 94106B101 37,123 299,479 SH   SOLE 0 299,478 0 0
Berkshire Hathaway Inc. Class B Stock 084670702 1,703 6,238 SH   SOLE 0 6,238 0 0
Adobe Systems Incorporated Stock 00724F101 19,512 53,304 SH   SOLE 0 53,304 0 0
Alphabet Inc. Class A Stock 02079K305 56,109 25,747 SH   SOLE 0 25,747 0 0
Fiserv Inc Com Stock 337738108 612 6,880 SH   SOLE 0 6,880 0 0
O'Reilly Automotive, Inc. Stock 67103H107 33,356 52,798 SH   SOLE 0 52,798 0 0
Constellation Brands, Inc. Class A Stock 21036P108 542 2,328 SH   SOLE 0 2,327 0 0
Comcast Corporation Class A Stock 20030N101 4,215 107,421 SH   SOLE 0 107,421 0 0
Ase Technology Hldg Co Ltd Sponsored Ads ADR 00215W100 86 16,618 SH   SOLE 0 16,618 0 0
Generac Holdings Inc. Stock 368736104 674 3,200 SH   SOLE 0 3,200 0 0
Microsoft Corporation Stock 594918104 58,329 227,112 SH   SOLE 0 227,111 0 0
First Horizon Natl Corp Com Stock 320517105 1,093 49,981 SH   SOLE 0 49,981 0 0
Schlumberger NV Stock 806857108 232 6,484 SH   SOLE 0 6,484 0 0
CVS Health Corporation Stock 126650100 595 6,417 SH   SOLE 0 6,417 0 0
Ameriprise Financial, Inc. Stock 03076C106 229 965 SH   SOLE 0 965 0 0
Berkshire Hathaway Inc. Class A Stock 084670108 3,272 8 SH   SOLE 0 8 0 0
Vanguard Small-Cap Index Fund ETF 922908751 792 4,500 SH   SOLE 0 4,500 0 0
Vanguard Mid-Cap Index Fund ETF 922908629 1,901 9,651 SH   SOLE 0 9,651 0 0
NextEra Energy, Inc. Stock 65339F101 565 7,299 SH   SOLE 0 7,299 0 0
Tesla Motors, Inc. Stock 88160R101 475 705 SH   SOLE 0 705 0 0
Amphenol Corporation Class A Stock 032095101 423 6,578 SH   SOLE 0 6,578 0 0
Reinsurance Group Amer Inc Com New Stock 759351604 681 5,802 SH   SOLE 0 5,802 0 0
Arch Cap Group Ltd Ord Stock G0450A105 411 9,040 SH   SOLE 0 9,040 0 0
Vanguard S&P 500 Index Fund ETF 922908363 291 838 SH   SOLE 0 838 0 0
Oncternal Therapeutics Inc Com Stock 68236P107 34 30,211 SH   SOLE 0 30,211 0 0
Booz Allen Hamilton Holding Corporation Class A Stock 099502106 39,461 436,708 SH   SOLE 0 436,708 0 0
Anterix Inc Com Stock 03676C100 408 9,930 SH   SOLE 0 9,930 0 0
Wabtec Corporation Stock 929740108 23,785 289,778 SH   SOLE 0 289,778 0 0
Eli Lilly and Company Stock 532457108 1,293 3,989 SH   SOLE 0 3,989 0 0
Vanguard Russell 1000 Value Index Fund ETF 92206C714 1,389 21,858 SH   SOLE 0 21,858 0 0
iShares Russell 2000 ETF ETF 464287655 1,082 6,391 SH   SOLE 0 6,391 0 0
Twilio Inc. Class A Stock 90138F102 9,948 118,692 SH   SOLE 0 118,692 0 0
Fidelity National Information Services, Inc. Stock 31620M106 30,674 334,614 SH   SOLE 0 334,614 0 0
Carrier Global Corporation Stock 14448C104 1,360 38,134 SH   SOLE 0 38,134 0 0
Sysco Corporation Stock 871829107 654 7,725 SH   SOLE 0 7,725 0 0
Warner Music Group Corp Stock 934550203 3,370 138,323 SH   SOLE 0 138,323 0 0
Ishares Floating Rate Bond Etf ETF 46429B655 3,509 70,300 SH   SOLE 0 70,300 0 0
II-VI Incorporated Stock 902104108 547 10,740 SH   SOLE 0 10,740 0 0
American Electric Power Company, Inc. Stock 025537101 462 4,818 SH   SOLE 0 4,818 0 0
Brown-Forman Corporation Class B Stock 115637209 3,080 43,899 SH   SOLE 0 43,899 0 0
Marathon Petroleum Corporation Stock 56585A102 203 2,470 SH   SOLE 0 2,470 0 0
Eastern Bankshares Inc Com Stock 27627N105 432 23,419 SH   SOLE 0 23,419 0 0
Xylem Inc. Stock 98419M100 242 3,100 SH   SOLE 0 3,100 0 0
Marriott Vacations Worldwide Corp. Stock 57164Y107 2,526 21,735 SH   SOLE 0 21,735 0 0
Cambridge Bancorp Com Stock 132152109 1,001 12,107 SH   SOLE 0 12,107 0 0
Neogen Corporation Stock 640491106 289 12,000 SH   SOLE 0 12,000 0 0
Visa Inc. Class A Stock 92826C839 54,477 276,689 SH   SOLE 0 276,689 0 0
Hershey Company Stock 427866108 1,200 5,575 SH   SOLE 0 5,575 0 0
SVB Financial Group Stock 78486Q101 296 750 SH   SOLE 0 750 0 0
Vanguard Growth Index Fund ETF 922908736 2,183 9,796 SH   SOLE 0 9,795 0 0
Ads Tec Energy Plc Shs Stock G0085J117 100 15,000 SH   SOLE 0 15,000 0 0
American Tower Corporation REIT 03027X100 43,114 168,686 SH   SOLE 0 168,685 0 0
Zebra Technologies Corp Cl A Stock 989207105 218 740 SH   SOLE 0 740 0 0
Meta Platforms Inc. Stock 30303M102 17,336 107,509 SH   SOLE 0 107,509 0 0
Lpl Finl Hldgs Inc Com Stock 50212V100 1,089 5,905 SH   SOLE 0 5,905 0 0
Mondelez Intl Inc. Class A Stock 609207105 4,642 74,763 SH   SOLE 0 74,763 0 0
Broadcom Limited Stock 11135F101 6,024 12,401 SH   SOLE 0 12,400 0 0
UniFirst Corporation Stock 904708104 373 2,167 SH   SOLE 0 2,167 0 0
Martin Marietta Materials, Inc. Stock 573284106 575 1,922 SH   SOLE 0 1,922 0 0
iShares Core MSCI EAFE ETF ETF 46432F842 230 3,905 SH   SOLE 0 3,905 0 0
Accenture Plc Stock G1151C101 245 881 SH   SOLE 0 881 0 0
Equifax Inc. Stock 294429105 238 1,300 SH   SOLE 0 1,300 0 0
NICE Systems Ltd. Sponsored ADR ADR 653656108 1,386 7,200 SH   SOLE 0 7,200 0 0
EOG Resources, Inc. Stock 26875P101 320 2,901 SH   SOLE 0 2,901 0 0
AbbVie, Inc. Stock 00287Y109 317 2,068 SH   SOLE 0 2,068 0 0
S&P Global Inc. Stock 78409V104 33,230 98,586 SH   SOLE 0 98,586 0 0
iShares Core MSCI Emerging Markets ETF ETF 46434G103 335 6,825 SH   SOLE 0 6,825 0 0
Cabot Oil & Gas Corporation Stock 127097103 551 21,384 SH   SOLE 0 21,384 0 0
Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR ADR 874039100 257 3,142 SH   SOLE 0 3,142 0 0
Casella Waste Sys Inc Cl A Stock 147448104 277 3,815 SH   SOLE 0 3,815 0 0
Blackstone Group L.P. Stock 09260D107 34,785 381,286 SH   SOLE 0 381,286 0 0
Church & Dwight Co., Inc. Stock 171340102 1,731 18,685 SH   SOLE 0 18,685 0 0
Stryker Corporation Stock 863667101 329 1,655 SH   SOLE 0 1,655 0 0
General Dynamics Corporation Stock 369550108 354 1,600 SH   SOLE 0 1,600 0 0
Discover Financial Services Stock 254709108 539 5,703 SH   SOLE 0 5,703 0 0
McDonald's Corporation Stock 580135101 331 1,342 SH   SOLE 0 1,342 0 0
AMETEK, Inc. Stock 031100100 367 3,340 SH   SOLE 0 3,340 0 0
Cisco Systems, Inc. Stock 17275R102 1,055 24,741 SH   SOLE 0 24,740 0 0
Autodesk, Inc. Stock 052769106 21,994 127,899 SH   SOLE 0 127,899 0 0
AT&T Inc. Stock 00206R102 300 14,303 SH   SOLE 0 14,303 0 0
Vanguard Intermediate Term Bond Index Fund ETF 921937819 1,987 25,593 SH   SOLE 0 25,593 0 0
RE/MAX Holdings, Inc. Stock 75524W108 20,655 842,390 SH   SOLE 0 842,390 0 0
Charter Communications, Inc. Class A Stock 16119P108 27,703 59,128 SH   SOLE 0 59,128 0 0
Gaming and Leisure Properties, Inc. REIT 36467J108 2,908 63,421 SH   SOLE 0 63,420 0 0
Ambev SA Sponsored ADR ADR 02319V103 34 13,745 SH   SOLE 0 13,745 0 0
iShares Core S&P 500 ETF ETF 464287200 6,819 17,985 SH   SOLE 0 17,984 0 0
Mettler-Toledo International Inc. Stock 592688105 1,250 1,088 SH   SOLE 0 1,088 0 0
Siteone Landscape Supply Inc Com Stock 82982L103 565 4,750 SH   SOLE 0 4,750 0 0
Union Pacific Corporation Stock 907818108 386 1,808 SH   SOLE 0 1,808 0 0
Charles Riv Labs Intl Inc Com Stock 159864107 206 962 SH   SOLE 0 962 0 0
salesforce.com, inc. Stock 79466L302 23,204 140,597 SH   SOLE 0 140,597 0 0
IDEXX Laboratories, Inc. Stock 45168D104 645 1,840 SH   SOLE 0 1,840 0 0
Thermo Fisher Scientific Inc. Stock 883556102 28,040 51,612 SH   SOLE 0 51,611 0 0
Lockheed Martin Corporation Stock 539830109 2,889 6,720 SH   SOLE 0 6,719 0 0
JPMorgan Chase & Co. Stock 46625H100 3,200 28,418 SH   SOLE 0 28,417 0 0
Chevron Corporation Stock 166764100 792 5,468 SH   SOLE 0 5,467 0 0
Vanguard FTSE Developed Markets ETF ETF 921943858 2,202 53,971 SH   SOLE 0 53,970 0 0
Danaher Corporation Stock 235851102 2,892 11,406 SH   SOLE 0 11,406 0 0
Wal-Mart Stores, Inc. Stock 931142103 874 7,185 SH   SOLE 0 7,185 0 0
Raytheon Technologies Corporation Stock 75513E101 1,371 14,270 SH   SOLE 0 14,270 0 0
Vanguard FTSE Emerging Markets ETF ETF 922042858 2,602 62,471 SH   SOLE 0 62,471 0 0
Texas Instruments Incorporated Stock 882508104 600 3,906 SH   SOLE 0 3,906 0 0
Target Corporation Stock 87612E106 310 2,197 SH   SOLE 0 2,197 0 0
Morgan Stanley Stock 617446448 3,647 47,953 SH   SOLE 0 47,952 0 0
3M Company Stock 88579Y101 325 2,515 SH   SOLE 0 2,515 0 0
Caterpillar Inc. Stock 149123101 984 5,505 SH   SOLE 0 5,505 0 0
Alphabet Inc. Class C Stock 02079K107 5,095 2,329 SH   SOLE 0 2,329 0 0
American Express Company Stock 025816109 27,969 201,764 SH   SOLE 0 201,763 0 0
Applied Materials, Inc. Stock 038222105 3,016 33,150 SH   SOLE 0 33,150 0 0
Otis Worldwide Corporation Stock 68902V107 3,088 43,701 SH   SOLE 0 43,701 0 0
Analog Devices, Inc. Stock 032654105 381 2,608 SH   SOLE 0 2,608 0 0
Williams Companies, Inc. Stock 969457100 2,971 95,195 SH   SOLE 0 95,194 0 0
Nexstar Media Group Inc Cl A Stock 65336K103 553 3,394 SH   SOLE 0 3,394 0 0
Vanguard Dividend Appreciation Index Fund ETF 921908844 691 4,819 SH   SOLE 0 4,819 0 0
iShares Core U.S. Aggregate Bond ETF ETF 464287226 2,034 20,000 SH   SOLE 0 20,000 0 0
HealthEquity Inc Stock 42226A107 31,544 513,826 SH   SOLE 0 513,826 0 0
IPG Photonics Corporation Stock 44980X109 377 4,000 SH   SOLE 0 4,000 0 0
Keysight Technologies Inc Stock 49338L103 227 1,648 SH   SOLE 0 1,648 0 0
C.H. Robinson Worldwide, Inc. Stock 12541W209 324 3,200 SH   SOLE 0 3,200 0 0
Murphy USA, Inc. Stock 626755102 898 3,855 SH   SOLE 0 3,855 0 0
Philip Morris International Inc. Stock 718172109 1,729 17,511 SH   SOLE 0 17,510 0 0
PNC Financial Services Group, Inc. Stock 693475105 1,227 7,777 SH   SOLE 0 7,777 0 0
Bristol-Myers Squibb Company Stock 110122108 2,844 36,937 SH   SOLE 0 36,936 0 0
W R Berkley Corporation Com Stock 084423102 286 4,195 SH   SOLE 0 4,195 0 0
Altria Group, Inc. Stock 02209S103 541 12,958 SH   SOLE 0 12,957 0 0
American Water Works Company, Inc. Stock 030420103 31,340 210,662 SH   SOLE 0 210,661 0 0
Agilent Technologies, Inc. Stock 00846U101 261 2,195 SH   SOLE 0 2,195 0 0
Exxon Mobil Corporation Stock 30231G102 1,973 23,034 SH   SOLE 0 23,033 0 0
UnitedHealth Group Incorporated Stock 91324P102 44,512 86,662 SH   SOLE 0 86,661 0 0
Travelers Companies, Inc. Stock 89417E109 1,003 5,930 SH   SOLE 0 5,930 0 0
Deere & Company Stock 244199105 962 3,211 SH   SOLE 0 3,211 0 0
PayPal Holdings Inc. Stock 70450Y103 14,978 214,461 SH   SOLE 0 214,461 0 0
Charles Schwab Corporation Stock 808513105 35,889 568,048 SH   SOLE 0 568,048 0 0
BlackRock, Inc. Stock 09247X101 441 725 SH   SOLE 0 724 0 0
Apple Inc. Stock 037833100 49,940 365,270 SH   SOLE 0 365,270 0 0
Abbott Laboratories Stock 002824100 6,737 62,006 SH   SOLE 0 62,006 0 0
Walt Disney Company Stock 254687106 793 8,403 SH   SOLE 0 8,402 0 0
Booking Holdings Inc Stock 09857L108 25,838 14,773 SH   SOLE 0 14,772 0 0
iShares Russell 1000 Value ETF ETF 464287598 3,745 25,831 SH   SOLE 0 25,831 0 0