Foster Dykema Cabot & Co 13F-HR Quarterly holdings report by institutional manager

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

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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
JP Morgan USD UltraShort Income ETF	ETF	46641Q837	79,785	1,591,569	SH		SOLE		1,591,569	0	0
iShares Ultra Short-Term Bond ETF	ETF	46434V878	32,241	644,297	SH		SOLE		644,297	0	0
Financial Select Sector SPDR Fund	ETF	81369Y605	14,043	410,627	SH		SOLE		410,627	0	0
SPDR S&P 500 ETF Trust	ETF	78462F103	156,988	410,502	SH		SOLE		410,502	0	0
Amphenol Corporation Class A	Common Stock	032095101	21,656	284,430	SH		SOLE		284,430	0	0
Amazon.com, Inc.	Common Stock	023135106	21,989	261,774	SH		SOLE		261,774	0	0
iShares Core MSCI EAFE ETF	ETF	46432F842	14,641	237,532	SH		SOLE		237,532	0	0
Industrial Select Sector SPDR Fund	ETF	81369Y704	19,305	196,564	SH		SOLE		196,564	0	0
Prologis Incorporated	Common Stock	74340W103	17,838	158,239	SH		SOLE		158,239	0	0
JPMorgan Chase & Co.	Common Stock	46625H100	19,423	144,841	SH		SOLE		144,841	0	0
American Express Company	Common Stock	025816109	19,265	130,387	SH		SOLE		130,387	0	0
Healthcare Select Sector SPDR ETF	ETF	81369Y209	17,590	129,481	SH		SOLE		129,481	0	0
Quanta Services Com	Common Stock	74762E102	17,389	122,027	SH		SOLE		122,027	0	0
Waste Management, Inc.	Common Stock	94106L109	17,043	108,637	SH		SOLE		108,637	0	0
Microsoft Corporation	Common Stock	594918104	22,397	93,392	SH		SOLE		93,392	0	0
Apple Inc.	Common Stock	037833100	11,505	88,549	SH		SOLE		88,549	0	0
Lowe's Companies, Inc.	Common Stock	548661107	14,622	73,390	SH		SOLE		73,390	0	0
Berkshire Hathaway Inc. Class B	Common Stock	084670702	20,808	67,360	SH		SOLE		67,360	0	0
Accenture Plc Class A	Common Stock	G1151C101	17,352	65,026	SH		SOLE		65,026	0	0
Vanguard Total Stock Market ETF	ETF	922908769	11,987	62,695	SH		SOLE		62,695	0	0
Sprott Physical Gold Trust	ETF	85207H104	851	60,329	SH		SOLE		60,329	0	0
Vertex Pharmaceuticals Incorporated	Common Stock	92532F100	16,851	58,352	SH		SOLE		58,352	0	0
Eli Lilly and Company	Common Stock	532457108	19,357	52,910	SH		SOLE		52,910	0	0
Costco Wholesale Corporation	Common Stock	22160K105	20,909	45,802	SH		SOLE		45,802	0	0
Thermo Fisher Scientific Inc.	Common Stock	883556102	22,784	41,373	SH		SOLE		41,373	0	0
Alphabet Inc. Class C	Common Stock	02079K107	3,242	36,538	SH		SOLE		36,538	0	0
SPDR S&P 500 Fossil Fuel Res Free ETF	ETF	78468R796	3,392	36,340	SH		SOLE		36,340	0	0
Procter & Gamble Company	Common Stock	742718109	5,037	33,238	SH		SOLE		33,238	0	0
Northrop Grumman Corp.	Common Stock	666807102	17,558	32,181	SH		SOLE		32,181	0	0
Sprott Physical Silver Trust	ETF	85207K107	265	32,170	SH		SOLE		32,170	0	0
Enterprise Bancorp, Inc.	Common Stock	293668109	1,105	31,306	SH		SOLE		31,306	0	0
Technology Select Sector SPDR Fund	ETF	81369Y803	3,489	28,035	SH		SOLE		28,035	0	0
Alphabet Inc. Class A	Common Stock	02079K305	2,212	25,074	SH		SOLE		25,074	0	0
iShares MSCI Global Sus Dev Goals ETF	ETF	46435G532	1,681	21,299	SH		SOLE		21,299	0	0
Coca-Cola Company	Common Stock	191216100	1,165	18,316	SH		SOLE		18,316	0	0
iShares Russell 1000 Value ETF	ETF	464287598	2,029	13,381	SH		SOLE		13,381	0	0
iShares Russell 1000 Growth ETF	ETF	464287614	2,865	13,373	SH		SOLE		13,373	0	0
Luminar Technologies, Inc. Class A	Common Stock	550424105	55	11,117	SH		SOLE		11,117	0	0
iShares Russell Midcap ETF	ETF	464287499	736	10,915	SH		SOLE		10,915	0	0
KraneShares Global Carbon Strategy ETF	ETF	500767678	390	10,695	SH		SOLE		10,695	0	0
iShares S&P 500 Growth ETF	ETF	464287309	585	10,001	SH		SOLE		10,001	0	0
iShares Core S&P Small Cap ETF	ETF	464287804	928	9,805	SH		SOLE		9,805	0	0
PepsiCo, Inc.	Common Stock	713448108	1,540	8,527	SH		SOLE		8,527	0	0
Intel Corporation	Common Stock	458140100	217	8,199	SH		SOLE		8,199	0	0
Merck & Co Inc	Common Stock	58933Y105	830	7,481	SH		SOLE		7,481	0	0
Vanguard S&P 500 ETF	ETF	922908363	2,128	6,056	SH		SOLE		6,056	0	0
Pfizer Inc.	Common Stock	717081103	250	4,870	SH		SOLE		4,870	0	0
Vanguard Total International Stock ETF	ETF	921909768	235	4,540	SH		SOLE		4,540	0	0
Walmart Inc.	Common Stock	931142103	546	3,850	SH		SOLE		3,850	0	0
Johnson & Johnson	Common Stock	478160104	664	3,759	SH		SOLE		3,759	0	0
Exxon Mobil Corporation	Common Stock	30231G102	387	3,510	SH		SOLE		3,510	0	0
Colgate-Palmolive Company	Common Stock	194162103	267	3,386	SH		SOLE		3,386	0	0
Abbott Laboratories	Common Stock	002824100	352	3,204	SH		SOLE		3,204	0	0
McDonald's Corporation	Common Stock	580135101	844	3,204	SH		SOLE		3,204	0	0
AbbVie, Inc.	Common Stock	00287Y109	490	3,031	SH		SOLE		3,031	0	0
SPDR S&P 600 Small Cap Value ETF	ETF	78464A300	217	2,920	SH		SOLE		2,920	0	0
Raytheon Technologies Corporation	Common Stock	75513E101	284	2,811	SH		SOLE		2,811	0	0
iShares Core S&P 500 ETF	ETF	464287200	1,036	2,697	SH		SOLE		2,697	0	0
Union Pacific Corporation	Common Stock	907818108	550	2,657	SH		SOLE		2,657	0	0
iShares MSCI USA Quality Factor ETF	ETF	46432F339	302	2,652	SH		SOLE		2,652	0	0
Philip Morris International Inc.	Common Stock	718172109	219	2,165	SH		SOLE		2,165	0	0
Zoetis, Inc. Class A	Common Stock	98978V103	305	2,079	SH		SOLE		2,079	0	0
iShares Russell 2000 ETF	ETF	464287655	359	2,059	SH		SOLE		2,059	0	0
Qualcomm Incorporated	Common Stock	747525103	212	1,925	SH		SOLE		1,925	0	0
3M Company	Common Stock	88579Y101	218	1,815	SH		SOLE		1,815	0	0
S&P Global, Inc.	Common Stock	78409V104	569	1,698	SH		SOLE		1,698	0	0
Vanguard Value ETF	ETF	922908744	237	1,690	SH		SOLE		1,690	0	0
Vanguard Dividend Appreciation ETF	ETF	921908844	247	1,629	SH		SOLE		1,629	0	0
iShares MSCI USA Momentum Factor ETF	ETF	46432F396	207	1,420	SH		SOLE		1,420	0	0
Lockheed Martin Corporation	Common Stock	539830109	675	1,387	SH		SOLE		1,387	0	0
Automatic Data Processing, Inc.	Common Stock	053015103	320	1,338	SH		SOLE		1,338	0	0
Danaher Corporation	Common Stock	235851102	337	1,270	SH		SOLE		1,270	0	0
Hershey Company	Common Stock	427866108	274	1,183	SH		SOLE		1,183	0	0
Chubb Limited	Common Stock	H1467J104	252	1,141	SH		SOLE		1,141	0	0
BlackRock, Inc.	Common Stock	09247X101	388	547	SH		SOLE		547	0	0
MCI Preferred Income	Common Stock	457995165	226	45	SH		SOLE		45	0	0
Berkshire Hathaway Inc. Class A	Common Stock	084670108	2,344	5	SH		SOLE		5	0	0