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 32,864 17,355 SH   SOLE 0 17,355 0 0
Starbucks Corporation Stock 855244109 5,888 70,240 SH   SOLE 0 70,239 0 0
Vulcan Materials Company Stock 929160109 806 5,870 SH   SOLE 0 5,870 0 0
Johnson & Johnson Stock 478160104 3,230 23,191 SH   SOLE 0 23,191 0 0
Kirby Corporation Stock 497266106 473 5,984 SH   SOLE 0 5,984 0 0
Costco Wholesale Corporation Stock 22160K105 12,192 46,135 SH   SOLE 0 46,134 0 0
Cabot Corporation Stock 127055101 6,318 132,424 SH   SOLE 0 132,424 0 0
iShares MSCI Emerging Markets ETF ETF 464287234 1,641 38,245 SH   SOLE 0 38,245 0 0
Boston Scientific Corporation Stock 101137107 28,108 653,968 SH   SOLE 0 653,968 0 0
Procter & Gamble Company Stock 742718109 679 6,194 SH   SOLE 0 6,194 0 0
Coca-Cola Company Stock 191216100 292 5,736 SH   SOLE 0 5,736 0 0
S&P Global, Inc. Stock 78409V104 17,232 75,650 SH   SOLE 0 75,650 0 0
Ingevity Corporation Stock 45688C107 263 2,500 SH   SOLE 0 2,500 0 0
PowerShares DB Commodity Index Tracking Fund ETF 46138B103 1,273 80,900 SH   SOLE 0 80,900 0 0
Cabot Microelectronics Corporation Stock 12709P103 3,180 28,890 SH   SOLE 0 28,890 0 0
Intel Corporation Stock 458140100 721 15,059 SH   SOLE 0 15,059 0 0
State Street Corporation Stock 857477103 493 8,800 SH   SOLE 0 8,800 0 0
Medtronic Plc Stock G5960L103 444 4,555 SH   SOLE 0 4,555 0 0
Netflix, Inc. Stock 64110L106 295 804 SH   SOLE 0 804 0 0
Paychex, Inc. Stock 704326107 582 7,078 SH   SOLE 0 7,078 0 0
Estee Lauder Companies Inc. Class A Stock 518439104 289 1,580 SH   SOLE 0 1,580 0 0
Merck & Co., Inc. Stock 58933Y105 1,570 18,721 SH   SOLE 0 18,721 0 0
SPDR S&P 500 ETF Trust ETF 78462F103 5,049 17,231 SH   SOLE 0 17,231 0 0
First Republic Bank Stock 33616C100 19,855 203,331 SH   SOLE 0 203,331 0 0
iShares MSCI Japan ETF ETF 46434G822 611 11,189 SH   SOLE 0 11,189 0 0
Vertex Pharmaceuticals Incorporated Stock 92532F100 909 4,956 SH   SOLE 0 4,956 0 0
Verizon Communications Inc. Stock 92343V104 315 5,507 SH   SOLE 0 5,507 0 0
Chubb Limited Stock H1467J104 441 2,995 SH   SOLE 0 2,995 0 0
Sherwin-Williams Company Stock 824348106 25,175 54,933 SH   SOLE 0 54,933 0 0
PepsiCo, Inc. Stock 713448108 523 3,986 SH   SOLE 0 3,986 0 0
Honeywell International Inc. Stock 438516106 1,382 7,916 SH   SOLE 0 7,916 0 0
Ingersoll-Rand Plc Stock G47791101 279 2,200 SH   SOLE 0 2,200 0 0
Eaton Vance Senior Floating Rate Fund CEF 27828Q105 301 23,000 SH   SOLE 0 23,000 0 0
Biohaven Pharmaceutical Holding Co. Ltd. Stock G11196105 6,952 158,752 SH   SOLE 0 158,752 0 0
U.S. Bancorp Stock 902973304 236 4,500 SH   SOLE 0 4,500 0 0
Home Depot, Inc. Stock 437076102 19,849 95,443 SH   SOLE 0 95,442 0 0
Baxter International Inc. Stock 071813109 741 9,050 SH   SOLE 0 9,050 0 0
Automatic Data Processing, Inc. Stock 053015103 1,328 8,035 SH   SOLE 0 8,035 0 0
Canntrust Hldgs Inc Shs Stock 137800207 419 83,400 SH   SOLE 0 83,400 0 0
SPDR Gold Trust ETF 78463V107 293 2,200 SH   SOLE 0 2,200 0 0
Becton, Dickinson and Company Stock 075887109 1,168 4,635 SH   SOLE 0 4,635 0 0
Broadridge Financial Solutions, Inc. Stock 11133T103 304 2,382 SH   SOLE 0 2,382 0 0
Steris Plc Stock G8473T100 861 5,786 SH   SOLE 0 5,786 0 0
Teleflex Incorporated Stock 879369106 298 900 SH   SOLE 0 900 0 0
Banco Bilbao Vizcaya Argentaria, S.A. Sponsored ADR ADR 05946K101 72 12,877 SH   SOLE 0 12,877 0 0
Waste Connections, Inc. Stock 94106B101 24,964 261,186 SH   SOLE 0 261,186 0 0
Berkshire Hathaway Inc. Class B Stock 084670702 2,247 10,541 SH   SOLE 0 10,541 0 0
Adobe Systems Incorporated Stock 00724F101 618 2,096 SH   SOLE 0 2,096 0 0
Evolus Inc Com Stock 30052C107 5,985 409,380 SH   SOLE 0 409,380 0 0
Alphabet Inc. Class A Stock 02079K305 25,778 23,807 SH   SOLE 0 23,807 0 0
Fiserv Inc Com Stock 337738108 802 8,800 SH   SOLE 0 8,800 0 0
O'Reilly Automotive, Inc. Stock 67103H107 531 1,439 SH   SOLE 0 1,439 0 0
Constellation Brands, Inc. Class A Stock 21036P108 21,485 109,093 SH   SOLE 0 109,093 0 0
Comcast Corporation Class A Stock 20030N101 1,811 42,828 SH   SOLE 0 42,828 0 0
Generac Holdings Inc. Stock 368736104 222 3,200 SH   SOLE 0 3,200 0 0
Microsoft Corporation Stock 594918104 11,320 84,500 SH   SOLE 0 84,500 0 0
Schlumberger NV Stock 806857108 1,057 26,596 SH   SOLE 0 26,596 0 0
Ameriprise Financial, Inc. Stock 03076C106 349 2,407 SH   SOLE 0 2,407 0 0
Aspen Technology Inc Com Stock 045327103 204 1,640 SH   SOLE 0 1,640 0 0
Berkshire Hathaway Inc. Class A Stock 084670108 318 1 SH   SOLE 0 1 0 0
Boeing Company Stock 097023105 3,422 9,401 SH   SOLE 0 9,401 0 0
Vanguard Mid-Cap Index Fund ETF 922908629 1,100 6,579 SH   SOLE 0 6,579 0 0
NextEra Energy, Inc. Stock 65339F101 329 1,604 SH   SOLE 0 1,604 0 0
Msci Inc Com Stock 55354G100 213 894 SH   SOLE 0 894 0 0
Financial Select Sector SPDR Fund ETF 81369Y605 963 34,906 SH   SOLE 0 34,906 0 0
Pool Corporation Com Stock 73278L105 330 1,729 SH   SOLE 0 1,729 0 0
Vanguard Information Technology Index Fund ETF 92204A702 1,170 5,550 SH   SOLE 0 5,550 0 0
Covetrus Inc Com Stock 22304C100 966 39,499 SH   SOLE 0 39,499 0 0
Amphenol Corporation Class A Stock 032095101 273 2,847 SH   SOLE 0 2,847 0 0
Moog Inc. Class A Stock 615394202 1,264 13,500 SH   SOLE 0 13,500 0 0
Oncternal Therapeutics Inc Com Stock 68236P107 468 70,211 SH   SOLE 0 70,211 0 0
Booz Allen Hamilton Holding Corporation Class A Stock 099502106 19,650 296,783 SH   SOLE 0 296,783 0 0
Zogenix Inc Com New Stock 98978L204 776 16,250 SH   SOLE 0 16,250 0 0
Booking Holdings Inc. Stock 09857L108 17,690 9,436 SH   SOLE 0 9,436 0 0
Hasbro, Inc. Stock 418056107 802 7,590 SH   SOLE 0 7,590 0 0
Leidos Holdings, Inc. Stock 525327102 19,919 249,450 SH   SOLE 0 249,449 0 0
Vanguard Russell 1000 Value Index Fund ETF 92206C714 1,220 10,929 SH   SOLE 0 10,929 0 0
Vanguard Total International Stock ETF ETF 921909768 647 12,268 SH   SOLE 0 12,268 0 0
Anadarko Petroleum Corporation Stock 032511107 265 3,750 SH   SOLE 0 3,750 0 0
iShares Russell 2000 ETF ETF 464287655 801 5,148 SH   SOLE 0 5,148 0 0
Incyte Corporation Stock 45337C102 255 3,000 SH   SOLE 0 3,000 0 0
Ishares Floating Rate Bond Etf ETF 46429B655 1,487 29,200 SH   SOLE 0 29,200 0 0
II-VI Incorporated Stock 902104108 393 10,740 SH   SOLE 0 10,740 0 0
Marathon Petroleum Corporation Stock 56585A102 211 3,771 SH   SOLE 0 3,771 0 0
Fortune Brands Home & Security, Inc. Stock 34964C106 1,041 18,230 SH   SOLE 0 18,230 0 0
Xylem Inc. Stock 98419M100 544 6,499 SH   SOLE 0 6,499 0 0
Cambridge Bancorp Com Stock 132152109 1,557 19,107 SH   SOLE 0 19,107 0 0
Laredo Petroleum Inc Com Stock 516806106 104 36,031 SH   SOLE 0 36,031 0 0
Neogen Corporation Stock 640491106 422 6,800 SH   SOLE 0 6,800 0 0
Visa Inc. Class A Stock 92826C839 39,769 229,149 SH   SOLE 0 229,148 0 0
SVB Financial Group Stock 78486Q101 15,345 68,323 SH   SOLE 0 68,323 0 0
Vanguard Growth Index Fund ETF 922908736 1,895 11,600 SH   SOLE 0 11,600 0 0
Phillips 66 Stock 718546104 8,362 89,397 SH   SOLE 0 89,396 0 0
American Tower Corporation REIT 03027X100 25,167 123,097 SH   SOLE 0 123,096 0 0
Facebook, Inc. Class A Stock 30303M102 12,645 65,520 SH   SOLE 0 65,520 0 0
Middleby Corp Com Stock 596278101 9,605 70,779 SH   SOLE 0 70,779 0 0
Broadcom Limited Stock 11135F101 910 3,162 SH   SOLE 0 3,162 0 0
Mondelez International, Inc. Class A Stock 609207105 1,123 20,841 SH   SOLE 0 20,841 0 0
UniFirst Corporation Stock 904708104 409 2,167 SH   SOLE 0 2,167 0 0
Novartis AG Sponsored ADR ADR 66987V109 378 4,135 SH   SOLE 0 4,135 0 0
CF Industries Holdings, Inc. Stock 125269100 280 6,000 SH   SOLE 0 6,000 0 0
Accenture Plc Stock G1151C101 340 1,841 SH   SOLE 0 1,841 0 0
NICE Systems Ltd. Sponsored ADR ADR 653656108 1,096 8,000 SH   SOLE 0 8,000 0 0
SPDR S&P Biotech ETF ETF 78464A870 255 2,910 SH   SOLE 0 2,910 0 0
iShares Core MSCI Emerging Markets ETF ETF 46434G103 386 7,500 SH   SOLE 0 7,500 0 0
Cabot Oil & Gas Corporation Stock 127097103 491 21,384 SH   SOLE 0 21,384 0 0
PTC Inc. Stock 69370C100 371 4,131 SH   SOLE 0 4,131 0 0
Zoetis, Inc. Class A Stock 98978V103 15,432 135,981 SH   SOLE 0 135,980 0 0
Taiwan Semiconductor Manufacturing Co., Ltd. Sponsored ADR ADR 874039100 327 8,346 SH   SOLE 0 8,346 0 0
Blackstone Group L.P. Stock 09260D107 26,143 588,547 SH   SOLE 0 588,547 0 0
ANSYS, Inc. Stock 03662Q105 374 1,825 SH   SOLE 0 1,825 0 0
Church & Dwight Co., Inc. Stock 171340102 321 4,400 SH   SOLE 0 4,400 0 0
Stryker Corporation Stock 863667101 1,122 5,460 SH   SOLE 0 5,460 0 0
Raytheon Company Stock 755111507 416 2,391 SH   SOLE 0 2,391 0 0
General Dynamics Corporation Stock 369550108 673 3,700 SH   SOLE 0 3,700 0 0
Dover Corporation Stock 260003108 360 3,590 SH   SOLE 0 3,590 0 0
Cisco Systems, Inc. Stock 17275R102 2,857 52,196 SH   SOLE 0 52,196 0 0
Vanguard Intermediate Term Bond Index Fund ETF 921937819 2,816 32,554 SH   SOLE 0 32,554 0 0
Charter Communications, Inc. Class A Stock 16119P108 19,973 50,541 SH   SOLE 0 50,541 0 0
Gaming and Leisure Properties, Inc. REIT 36467J108 1,229 31,520 SH   SOLE 0 31,520 0 0
Ambev SA Sponsored ADR ADR 02319V103 102 21,737 SH   SOLE 0 21,737 0 0
iShares Core S&P 500 ETF ETF 464287200 2,693 9,135 SH   SOLE 0 9,135 0 0
Mettler-Toledo International Inc. Stock 592688105 671 799 SH   SOLE 0 799 0 0
Siteone Landscape Supply Inc Com Stock 82982L103 345 4,984 SH   SOLE 0 4,984 0 0
Renaissancere Holdings Ltd Com Stock G7496G103 356 2,000 SH   SOLE 0 2,000 0 0
Union Pacific Corporation Stock 907818108 204 1,208 SH   SOLE 0 1,208 0 0
salesforce.com, inc. Stock 79466L302 17,039 112,297 SH   SOLE 0 112,297 0 0
Flir Systems Inc Stock 302445101 373 6,900 SH   SOLE 0 6,900 0 0
Northrop Grumman Corporation Stock 666807102 800 2,475 SH   SOLE 0 2,475 0 0
IDEXX Laboratories, Inc. Stock 45168D104 1,404 5,098 SH   SOLE 0 5,098 0 0
Thermo Fisher Scientific Inc. Stock 883556102 17,608 59,956 SH   SOLE 0 59,956 0 0
JPMorgan Chase & Co. Stock 46625H100 3,011 26,934 SH   SOLE 0 26,934 0 0
Chevron Corporation Stock 166764100 752 6,041 SH   SOLE 0 6,041 0 0
Markel Corp Com Stock 570535104 262 240 SH   SOLE 0 240 0 0
Vanguard FTSE Developed Markets ETF ETF 921943858 2,171 52,038 SH   SOLE 0 52,038 0 0
Danaher Corporation Stock 235851102 4,492 31,430 SH   SOLE 0 31,430 0 0
Bank of America Corporation Stock 060505104 232 8,000 SH   SOLE 0 8,000 0 0
International Business Machines Corporation Stock 459200101 235 1,702 SH   SOLE 0 1,702 0 0
United Technologies Corporation Stock 913017109 871 6,689 SH   SOLE 0 6,689 0 0
Vanguard FTSE Emerging Markets ETF ETF 922042858 2,345 55,145 SH   SOLE 0 55,144 0 0
Texas Instruments Incorporated Stock 882508104 254 2,211 SH   SOLE 0 2,211 0 0
Vanguard High Dividend Yield Index Fund ETF 921946406 580 6,641 SH   SOLE 0 6,641 0 0
3M Company Stock 88579Y101 1,097 6,326 SH   SOLE 0 6,326 0 0
Alphabet Inc. Class C Stock 02079K107 2,352 2,176 SH   SOLE 0 2,176 0 0
American Express Company Stock 025816109 309 2,500 SH   SOLE 0 2,500 0 0
Amgen Inc. Stock 031162100 3,714 20,153 SH   SOLE 0 20,153 0 0
Applied Materials, Inc. Stock 038222105 3,071 68,383 SH   SOLE 0 68,383 0 0
Williams Companies, Inc. Stock 969457100 313 11,180 SH   SOLE 0 11,180 0 0
Vanguard Dividend Appreciation Index Fund ETF 921908844 257 2,234 SH   SOLE 0 2,234 0 0
HealthEquity Inc Stock 42226A107 16,595 253,746 SH   SOLE 0 253,746 0 0
iShares Core MSCI Europe ETF ETF 46434V738 313 6,712 SH   SOLE 0 6,712 0 0
iShares Asia 50 ETF ETF 464288430 257 4,200 SH   SOLE 0 4,200 0 0
IPG Photonics Corporation Stock 44980X109 617 4,000 SH   SOLE 0 4,000 0 0
Alibaba Group Holding Ltd. Sponsored ADR ADR 01609W102 18,455 108,909 SH   SOLE 0 108,909 0 0
Vanguard Short-Term Bond Index Fund ETF 921937827 1,012 12,565 SH   SOLE 0 12,565 0 0
Bristol-Myers Squibb Company Stock 110122108 275 6,070 SH   SOLE 0 6,070 0 0
American Water Works Company, Inc. Stock 030420103 26,274 226,498 SH   SOLE 0 226,497 0 0
Exxon Mobil Corporation Stock 30231G102 5,776 75,374 SH   SOLE 0 75,374 0 0
UnitedHealth Group Incorporated Stock 91324P102 1,422 5,828 SH   SOLE 0 5,828 0 0
Lowe's Companies, Inc. Stock 548661107 471 4,669 SH   SOLE 0 4,669 0 0
Southwest Airlines Co. Stock 844741108 239 4,700 SH   SOLE 0 4,700 0 0
PayPal Holdings Inc. Stock 70450Y103 30,619 267,508 SH   SOLE 0 267,508 0 0
Charles Schwab Corporation Stock 808513105 17,757 441,823 SH   SOLE 0 441,823 0 0
Array Biopharma Inc Com Stock 04269X105 208 4,500 SH   SOLE 0 4,500 0 0
Apple Inc. Stock 037833100 27,359 138,233 SH   SOLE 0 138,233 0 0
Abbott Laboratories Stock 002824100 2,643 31,426 SH   SOLE 0 31,426 0 0
Walt Disney Company Stock 254687106 1,305 9,345 SH   SOLE 0 9,345 0 0
iShares Russell 1000 ETF ETF 464287622 272 1,673 SH   SOLE 0 1,673 0 0
Marsh & McLennan Companies, Inc. Stock 571748102 16,800 168,421 SH   SOLE 0 168,421 0 0
iShares Russell 1000 Value ETF ETF 464287598 2,390 18,784 SH   SOLE 0 18,784 0 0