Canton Hathaway 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

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
Abbott Laboratories	COM	002824100	46	500	SH		SOLE		0	0	500
Adobe Systems Inc	COM	00724F101	36	82	SH		SOLE		0	0	82
Advanced Micro Devices Inc	COM	007903107	576	10,940	SH		SOLE		0	0	10,940
Air Products & Chemicals Inc	COM	009158106	483	2,000	SH		SOLE		0	0	2,000
Akamai Technologies Inc	COM	00971T101	60	564	SH		SOLE		0	0	564
Alarm Com Hldgs Inc	COM	011642105	32	487	SH		SOLE		0	0	487
Albemarle Corp	COM	012653101	73	940	SH		SOLE		0	0	940
AllianceBernstein Holding LP	LP UNIT	01881G106	327	12,000	SH		SOLE		0	0	12,000
Alphabet Inc	COM	02079K107	2,711	1,918	SH		SOLE		0	0	1,918
Alphabet Inc	COM	02079K305	359	253	SH		SOLE		0	0	253
Amazon.Com Inc	COM	023135106	3,937	1,427	SH		SOLE		0	0	1,427
American Express Co	COM	025816109	314	3,300	SH		SOLE		0	0	3,300
American Shared Hospital Svcs	COM	029595105	86	40,100	SH		SOLE		0	0	40,100
American Wtr Wks Co Inc	COM	030420103	129	1,000	SH		SOLE		0	0	1,000
Amgen Inc	COM	031162100	2,896	12,279	SH		SOLE		0	0	12,279
Aon Plc Com Usd	COM	G0403H108	39	200	SH		SOLE		0	0	200
Apollo Global Management LLC	COM	03768E105	225	4,500	SH		SOLE		0	0	4,500
Apple Inc	COM	037833100	4,173	11,439	SH		SOLE		0	0	11,439
Ares Capital Corp	COM	04010L103	303	21,000	SH		SOLE		0	0	21,000
At&T Inc	COM	00206R102	257	8,500	SH		SOLE		0	0	8,500
Automatic Data Processing Inc	COM	053015103	12	80	SH		SOLE		0	0	80
Bank of America Corporation	COM	060505104	22	908	SH		SOLE		0	0	908
Becton Dickinson and Co	COM	075887109	10	40	SH		SOLE		0	0	40
Berkshire Hathaway Inc A	COM	084670108	83,932	314	SH		SOLE		0	0	314
Berkshire Hathaway Inc B	COM	084670702	1,805	10,111	SH		SOLE		0	0	10,111
BEYOND MEAT INC	COM	08862E109	134	1,000	SH		SOLE		0	0	1,000
Bhp Billiton Ltd Adr	ADR	088606108	35	700	SH		SOLE		0	0	700
Biohaven Pharmaceutical Holding Co Ltd	COM	G11196105	197	2,700	SH		SOLE		0	0	2,700
Blackrock Inc	COM	09247X101	677	1,245	SH		SOLE		0	0	1,245
Blackstone Group Lp	COM	09260D107	901	15,900	SH		SOLE		0	0	15,900
Boston Scientific Corp	COM	101137107	4	100	SH		SOLE		0	0	100
Bristol Myers Squibb	COM	110122108	347	5,900	SH		SOLE		0	0	5,900
Brookline Bancorp Inc	COM	11373M107	3,550	352,150	SH		SOLE		0	0	352,150
Ciena Corp	COM	171779309	1,391	25,683	SH		SOLE		0	0	25,683
Cintas Corp	COM	172908105	4	15	SH		SOLE		0	0	15
Cisco Sys Inc	COM	17275R102	560	12,000	SH		SOLE		0	0	12,000
Coca-Cola Co	COM	191216100	109	2,430	SH		SOLE		0	0	2,430
Comcast Corp	COM	20030N101	941	24,152	SH		SOLE		0	0	24,152
Costco Wholesale Corp	COM	22160K105	12	41	SH		SOLE		0	0	41
CrowdStrike Holdings Inc	COM	22788C105	208	2,076	SH		SOLE		0	0	2,076
Crown Castle International Corp	COM	22822V101	910	5,435	SH		SOLE		0	0	5,435
Cvs Health Corp	COM	126650100	357	5,500	SH		SOLE		0	0	5,500
Danaher Corp	COM	235851102	2,216	12,533	SH		SOLE		0	0	12,533
Dollar General Corp	COM	256677105	6	30	SH		SOLE		0	0	30
Dominion Energy Inc	COM	25746U109	65	800	SH		SOLE		0	0	800
Duke Energy Corp	COM	26441C204	12	147	SH		SOLE		0	0	147
Dunkin Brands Group Inc	COM	265504100	130	2,000	SH		SOLE		0	0	2,000
Dupont De Nemours Inc	COM	26614N102	4	75	SH		SOLE		0	0	75
Eaton Corp PLC	COM	G29183103	437	5,000	SH		SOLE		0	0	5,000
Edwards Lifesciences Corp	COM	28176E108	6	90	SH		SOLE		0	0	90
Eli Lilly and Co	COM	532457108	82	500	SH		SOLE		0	0	500
Energy Transfer Equity LP	LP UNIT	29273V100	107	15,000	SH		SOLE		0	0	15,000
Enterprise Prods Partners Lp	LP UNIT	293792107	424	23,320	SH		SOLE		0	0	23,320
Exact Sciences Corp	COM	30063P105	135	1,550	SH		SOLE		0	0	1,550
Exelon Corp	COM	30161N101	27	750	SH		SOLE		0	0	750
Facebook Inc	COM	30303M102	295	1,300	SH		SOLE		0	0	1,300
Fastenal Co	COM	311900104	394	9,200	SH		SOLE		0	0	9,200
Fidelity Consumer Disc ETF	ETF	316092204	562	10,795	SH		SOLE		0	0	10,795
Fidelity Consumer Spls ETF	ETF	316092303	562	16,111	SH		SOLE		0	0	16,111
Fidelity Health Care ETF	ETF	316092600	762	15,316	SH		SOLE		0	0	15,316
Fidelity Technology ETF	ETF	316092808	781	9,496	SH		SOLE		0	0	9,496
Fidelity Telecom Svc ETF	ETF	316092873	557	15,786	SH		SOLE		0	0	15,786
Fidelity Utilities ETF	ETF	316092865	763	20,909	SH		SOLE		0	0	20,909
Fiserv Inc	COM	337738108	4	45	SH		SOLE		0	0	45
Fortive Corp Com	COM	34959J108	203	3,000	SH		SOLE		0	0	3,000
Generac Holdings Inc	COM	368736104	46	376	SH		SOLE		0	0	376
Goldman Sachs Group Inc	COM	38141G104	40	200	SH		SOLE		0	0	200
GraniteShares Gold Trust	COM	38748G101	8	460	SH		SOLE		0	0	460
Great Lakes Dredge & Dock Corp	COM	390607109	87	9,400	SH		SOLE		0	0	9,400
Hannon Armstrong Sustainable Infrastructure Capita	COM	41068X100	499	17,530	SH		SOLE		0	0	17,530
Healthcare Tr Amer Inc	COM	42225P501	159	6,000	SH		SOLE		0	0	6,000
Home Depot Inc	COM	437076102	232	926	SH		SOLE		0	0	926
Honeywell International Inc	COM	438516106	8	55	SH		SOLE		0	0	55
Huntington Bancshares Inc	COM	446150104	36	4,000	SH		SOLE		0	0	4,000
Industrial Select SPDR ETF	ETF	81369Y704	412	6,000	SH		SOLE		0	0	6,000
Innovative Industrial Properties Inc	COM	45781V101	33	376	SH		SOLE		0	0	376
Intel Corp	COM	458140100	389	6,500	SH		SOLE		0	0	6,500
iShares Core MSCI EAFE	ETF	46432F842	17	299	SH		SOLE		0	0	299
Ishares Core S&P Small-Cap E	ETF	464287804	18	267	SH		SOLE		0	0	267
iShares Core S&P Total US Stock Mkt ETF	ETF	464287150	41	592	SH		SOLE		0	0	592
iShares Gold Trust	ETF	464285105	96	5,627	SH		SOLE		0	0	5,627
iShares iBoxx Investment Grade Corp Bond ET	ETF	464287242	47	350	SH		SOLE		0	0	350
Ishares Inc Core Msci Emerging Mkts Etf	ETF	46434G103	20	425	SH		SOLE		0	0	425
Ishares Msci Emerging Markets Etf	ETF	464287234	52	1,305	SH		SOLE		0	0	1,305
iShares Nasdaq Biotechnology	ETF	464287556	450	3,290	SH		SOLE		0	0	3,290
Ishares Select Dividend Etf	ETF	464287168	187	2,315	SH		SOLE		0	0	2,315
iShares Silver Trust	ETF	46428Q109	44	2,600	SH		SOLE		0	0	2,600
Ishares Tr S&P US Pfd Stk	ETF	464288687	104	3,000	SH		SOLE		0	0	3,000
iShares US Aerospace & Defense ETF	ETF	464288760	28	171	SH		SOLE		0	0	171
iShares US Home Construction	ETF	464288752	22	497	SH		SOLE		0	0	497
iShares US Medical Devices	ETF	464288810	47	176	SH		SOLE		0	0	176
Johnson & Johnson	COM	478160104	1,068	7,594	SH		SOLE		0	0	7,594
Jpmorgan Chase & Co	COM	46625H100	1,970	20,945	SH		SOLE		0	0	20,945
L3Harris Technologies Ord	COM	502431109	5	30	SH		SOLE		0	0	30
Lithium Americas Corp	COM	53680Q207	166	32,800	SH		SOLE		0	0	32,800
Livent Corp	COM	53814L108	58	9,400	SH		SOLE		0	0	9,400
Lockheed Martin Corp	COM	539830109	109	300	SH		SOLE		0	0	300
Lowe s Companies Inc	COM	548661107	257	1,900	SH		SOLE		0	0	1,900
Magellan Midstream Prtnrs Lp	LP UNIT	559080106	104	2,400	SH		SOLE		0	0	2,400
McCormick & Co Inc Non-Voting	COM	579780206	179	1,000	SH		SOLE		0	0	1,000
McDonald s Corp	COM	580135101	6	30	SH		SOLE		0	0	30
Medtronic Plc	COM	G5960L103	1,268	13,833	SH		SOLE		0	0	13,833
Merck & Co Inc	COM	58933Y105	387	5,000	SH		SOLE		0	0	5,000
Microsoft Corp	COM	594918104	4,384	21,543	SH		SOLE		0	0	21,543
Morgan Stanley	COM	617446448	290	6,000	SH		SOLE		0	0	6,000
Netflix Com Inc	COM	64110L106	390	858	SH		SOLE		0	0	858
NextEra Energy Inc	COM	65339F101	18	74	SH		SOLE		0	0	74
Nike Inc B	COM	654106103	4	45	SH		SOLE		0	0	45
OPKO Health Inc	COM	68375N103	41	11,900	SH		SOLE		0	0	11,900
Oracle Corp	COM	68389X105	33	600	SH		SOLE		0	0	600
Pagseguro Digital Ltd Com Cl A	COM	G68707101	269	7,600	SH		SOLE		0	0	7,600
Pepsico Inc	COM	713448108	979	7,404	SH		SOLE		0	0	7,404
Pfizer Inc	COM	717081103	28	850	SH		SOLE		0	0	850
Procter And Gamble Co	COM	742718109	81	680	SH		SOLE		0	0	680
Prologis Inc	COM	74340W103	401	4,300	SH		SOLE		0	0	4,300
Public Storage	COM	74460D109	19	100	SH		SOLE		0	0	100
QUALCOMM Inc	COM	747525103	109	1,200	SH		SOLE		0	0	1,200
Simulations Plus Inc	COM	829214105	1,077	18,000	SH		SOLE		0	0	18,000
Spdr Gold Tr Gold Shs	ETF	78463V107	1,594	9,521	SH		SOLE		0	0	9,521
SPDR S&P 500 ETF	ETF	78462F103	148	480	SH		SOLE		0	0	480
SPDR S&P MidCap 400 ETF	ETF	78467Y107	37	115	SH		SOLE		0	0	115
SPDR S&P Software & Services ETF	ETF	78464A599	153	1,374	SH		SOLE		0	0	1,374
Spdr Ser Tr S&P Biotech Etf	ETF	78464A870	39	350	SH		SOLE		0	0	350
Splunk Inc	COM	848637104	695	3,500	SH		SOLE		0	0	3,500
Spotify Technology SA	COM	L8681T102	117	453	SH		SOLE		0	0	453
Ssr Mng Inc	COM	784730103	40	1,880	SH		SOLE		0	0	1,880
Stag Indl Inc	COM	85254J102	128	4,358	SH		SOLE		0	0	4,358
Starbucks Corp	COM	855244109	1,073	14,577	SH		SOLE		0	0	14,577
StoneCo Ltd	COM	G85158106	721	18,594	SH		SOLE		0	0	18,594
Sunrun Inc	COM	86771W105	1,098	55,665	SH		SOLE		0	0	55,665
Targa Res Corp	COM	87612G101	120	6,000	SH		SOLE		0	0	6,000
Target Corp	COM	87612E106	5	45	SH		SOLE		0	0	45
The Simply Good Foods Co	COM	82900L102	951	51,200	SH		SOLE		0	0	51,200
Thermo Fisher Scientific Inc	COM	883556102	290	801	SH		SOLE		0	0	801
Tjx Cos Inc	COM	872540109	35	700	SH		SOLE		0	0	700
United Parcel Service Inc Class B	COM	911312106	25	225	SH		SOLE		0	0	225
VanEck Vectors Gold Miners ETF	ETF	92189F106	141	3,840	SH		SOLE		0	0	3,840
VanEck Vectors Junior Gold Miners ETF	ETF	92189F791	47	940	SH		SOLE		0	0	940
Vanguard 500 ETF	ETF	922908363	150	529	SH		SOLE		0	0	529
Vanguard Dividend Appreciation ETF	ETF	921908844	46	391	SH		SOLE		0	0	391
Vanguard Extended Market ETF	ETF	922908652	29	248	SH		SOLE		0	0	248
Vanguard FTSE Developed Markets ETF	ETF	921943858	46	1,180	SH		SOLE		0	0	1,180
Vanguard FTSE Emerging Markets ETF	ETF	922042858	20	508	SH		SOLE		0	0	508
Vanguard Scottsdale Fds Vanguard Short-T	ETF	92206C409	288	3,483	SH		SOLE		0	0	3,483
Vanguard Small-Cap ETF	ETF	922908751	22	150	SH		SOLE		0	0	150
Vanguard Tax-Exempt Bond ETF	ETF	922907746	33	612	SH		SOLE		0	0	612
Vanguard Value ETF	ETF	922908744	51	515	SH		SOLE		0	0	515
Verizon Communications	COM	92343V104	1,173	21,272	SH		SOLE		0	0	21,272
Vir Biotechnology Inc	COM	92764N102	343	8,380	SH		SOLE		0	0	8,380
Visa Inc Com Cl A	COM	92826C839	2,830	14,651	SH		SOLE		0	0	14,651
Wal-Mart Stores Inc	COM	931142103	7	60	SH		SOLE		0	0	60
Waste Management Inc	COM	94106L109	947	8,945	SH		SOLE		0	0	8,945
Yum China Hldgs Inc Com	COM	98850P109	601	12,500	SH		SOLE		0	0	12,500
Zillow Group Inc	COM	98954M200	684	11,865	SH		SOLE		0	0	11,865