Boston Research & Management 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
3M Co	COM	88579Y101	449	4,394	SH		SOLE		0	0	4,394
AMEX Energy Sector SPDR	COM	81369y506	4,232	46,431	SH		SOLE		0	0	46,431
AbbVie Inc.	COM	00287y109	8,989	52,413	SH		SOLE		0	0	52,413
Abbott Laboratories	COM	002824100	6,434	61,925	SH		SOLE		0	0	61,925
Accenture PLC	COM	G1151C101	5,583	18,402	SH		SOLE		0	0	18,402
Agilent Technologies, Inc.	COM	00846u101	238	1,841	SH		SOLE		0	0	1,841
Alphabet, Inc. - Class A	COM	02079k305	9,463	51,952	SH		SOLE		0	0	51,952
Alphabet, Inc. - Class C	COM	02079k107	1,860	10,145	SH		SOLE		0	0	10,145
Amazon.com, Inc.	COM	023135106	6,656	34,447	SH		SOLE		0	0	34,447
Amgen Inc.	COM	031162100	386	1,237	SH		SOLE		0	0	1,237
Apple Inc.	COM	037833100	12,215	57,999	SH		SOLE		0	0	57,999
Automatic Data Processing, Inc	COM	053015103	409	1,715	SH		SOLE		0	0	1,715
Bank of New York Mellon Corp.	COM	064058100	5,579	93,161	SH		SOLE		0	0	93,161
Berkshire Hathaway Inc. Class	COM	084670702	8,075	19,850	SH		SOLE		0	0	19,850
Boeing Co	COM	097023105	236	1,300	SH		SOLE		0	0	1,300
Boston Properties, Inc.	COM	101121101	298	4,850	SH		SOLE		0	0	4,850
Bristol-Myers Squibb Company	COM	110122108	276	6,660	SH		SOLE		0	0	6,660
CVS Health Corp	COM	126650100	4,006	67,846	SH		SOLE		0	0	67,846
Cambridge Heart Inc.	COM	131910101	0	10,200	SH		SOLE		0	0	10,200
Caterpillar	COM	149123101	1,179	3,542	SH		SOLE		0	0	3,542
Chevron Corp	COM	166764100	1,346	8,608	SH		SOLE		0	0	8,608
Cintas Corporation	COM	172908105	3,872	5,530	SH		SOLE		0	0	5,530
Cisco Systems, Inc.	COM	17275r102	6,964	146,582	SH		SOLE		0	0	146,582
Coca-Cola Company	COM	191216100	5,005	78,645	SH		SOLE		0	0	78,645
Colgate-Palmolive Company	COM	194162103	6,106	62,926	SH		SOLE		0	0	62,926
Comcast Corp Cl A Vtg	COM	20030N101	5,069	129,468	SH		SOLE		0	0	129,468
ConocoPhillips	COM	20825C104	3,525	30,824	SH		SOLE		0	0	30,824
Costco Whsl Corp New Com	COM	22160K105	246	290	SH		SOLE		0	0	290
D.R. Horton, Inc.	COM	23331a109	5,797	41,135	SH		SOLE		0	0	41,135
Danaher Corp.	COM	235851102	519	2,078	SH		SOLE		0	0	2,078
Duke Energy Corp.	COM	26441c204	4,592	45,823	SH		SOLE		0	0	45,823
Eli Lilly & Co	COM	532457108	4,013	4,433	SH		SOLE		0	0	4,433
Emerson Electric Co	COM	291011104	561	5,100	SH		SOLE		0	0	5,100
Exxon Mobil Corp.	COM	30231g102	5,911	51,354	SH		SOLE		0	0	51,354
Fastenal Co	COM	311900104	6,656	105,930	SH		SOLE		0	0	105,930
Fortrea Holdings Inc	COM	34965k107	477	20,460	SH		SOLE		0	0	20,460
GE Aerospace	COM	369604301	383	2,413	SH		SOLE		0	0	2,413
General Dynamics Corporation	COM	369550108	223	770	SH		SOLE		0	0	770
General Mills Inc Com	COM	370334104	6,677	105,557	SH		SOLE		0	0	105,557
Genuine Parts	COM	372460105	330	2,390	SH		SOLE		0	0	2,390
HP Inc.	COM	40434l105	303	8,680	SH		SOLE		0	0	8,680
Home Depot, Inc.	COM	437076102	3,031	8,805	SH		SOLE		0	0	8,805
Illinois Tool Works	COM	452308109	611	2,580	SH		SOLE		0	0	2,580
Intel Corp	COM	458140100	3,894	125,754	SH		SOLE		0	0	125,754
Intl Business Machines Corp	COM	459200101	766	4,433	SH		SOLE		0	0	4,433
Invesco QQQ Trust Series 1	COM	46090e103	375	783	SH		SOLE		0	0	783
Invesco S&P 500 Equal Weight	COM	46137V357	424	2,581	SH		SOLE		0	0	2,581
J.P. Morgan Chase & Co.	COM	46625h100	7,507	37,120	SH		SOLE		0	0	37,120
Johnson & Johnson	COM	478160104	1,419	9,711	SH		SOLE		0	0	9,711
Kimberly-Clark Corp	COM	494368103	426	3,085	SH		SOLE		0	0	3,085
Labcorp Holdings	COM	504922105	5,023	24,684	SH		SOLE		0	0	24,684
Linde PLC	COM	g54950103	7,221	16,457	SH		SOLE		0	0	16,457
Lockheed Martin Corp	COM	539830109	5,128	10,980	SH		SOLE		0	0	10,980
Lowe's Companies	COM	548661107	216	980	SH		SOLE		0	0	980
Magna International, Inc. Cl A	COM	559222401	2,780	66,360	SH		SOLE		0	0	66,360
Marsh & McLennan Companies, In	COM	571748102	552	2,620	SH		SOLE		0	0	2,620
Masco Corp	COM	574599106	266	4,000	SH		SOLE		0	0	4,000
Mastercard, Inc.	COM	57636q104	9,488	21,507	SH		SOLE		0	0	21,507
McDonald's Corp	COM	580135101	6,355	24,939	SH		SOLE		0	0	24,939
Medtronic Plc	COM	G5960L103	3,816	48,487	SH		SOLE		0	0	48,487
Merck & Co. Inc.	COM	58933Y105	7,522	60,764	SH		SOLE		0	0	60,764
Microsoft Corp	COM	594918104	19,063	42,652	SH		SOLE		0	0	42,652
Nextera Energy Inc.	COM	65339F101	5,151	72,744	SH		SOLE		0	0	72,744
Nucor Corporation	COM	670346105	306	1,936	SH		SOLE		0	0	1,936
Nvidia	COM	67066G104	1,445	11,700	SH		SOLE		0	0	11,700
Omnicom Group Inc Com	COM	681919106	4,412	49,193	SH		SOLE		0	0	49,193
Oracle Corp.	COM	68389X105	1,457	10,319	SH		SOLE		0	0	10,319
PPG Industries	COM	693506107	465	3,700	SH		SOLE		0	0	3,700
Paychex, Inc.	COM	704326107	902	7,615	SH		SOLE		0	0	7,615
Pepsi Co Inc	COM	713448108	5,355	32,468	SH		SOLE		0	0	32,468
Pfizer Inc.	COM	717081103	469	16,763	SH		SOLE		0	0	16,763
Procter & Gamble Co	COM	742718109	7,229	43,835	SH		SOLE		0	0	43,835
Qorvo Inc.	COM	74736K101	4,292	36,995	SH		SOLE		0	0	36,995
Qualcomm, Inc.	COM	747525103	601	3,020	SH		SOLE		0	0	3,020
SPDR DJIA ETF Trust	COM	78467X109	1,314	3,360	SH		SOLE		0	0	3,360
SPDR S&P 500 ETF	COM	78462F103	3,879	7,129	SH		SOLE		0	0	7,129
Snap-On Inc.	COM	833034101	4,846	18,541	SH		SOLE		0	0	18,541
Southern Co	COM	842587107	365	4,710	SH		SOLE		0	0	4,710
Stryker Corp	COM	863667101	1,481	4,354	SH		SOLE		0	0	4,354
Sysco Corp	COM	871829107	4,346	60,890	SH		SOLE		0	0	60,890
Texas Instruments	COM	882508104	206	1,060	SH		SOLE		0	0	1,060
Thermo Fisher Scientific	COM	883556102	5,011	9,063	SH		SOLE		0	0	9,063
Tractor Supply Co	COM	892356106	9,817	36,362	SH		SOLE		0	0	36,362
US Bancorp	COM	902973304	3,594	90,531	SH		SOLE		0	0	90,531
United Parcel Services	COM	911312106	5,043	36,853	SH		SOLE		0	0	36,853
UnitedHealth Group Inc	COM	91324P102	376	740	SH		SOLE		0	0	740
VanEck Vectors Biotech ETF	COM	92189F726	2,080	12,351	SH		SOLE		0	0	12,351
Vanguard Developed Markets ETF	COM	921943858	1,087	21,999	SH		SOLE		0	0	21,999
Vanguard Emerging Markets ETF	COM	922042858	706	16,147	SH		SOLE		0	0	16,147
Vanguard FTSE All-World Ex-US	COM	922042775	1,282	21,863	SH		SOLE		0	0	21,863
Vanguard Small-Cap ETF	COM	922908751	2,322	10,654	SH		SOLE		0	0	10,654
Vanguard Total Stock Market ET	COM	922908769	3,311	12,380	SH		SOLE		0	0	12,380
Verizon Communications	COM	92343v104	4,133	100,241	SH		SOLE		0	0	100,241
Wal-Mart Stores	COM	931142103	9,301	137,368	SH		SOLE		0	0	137,368
Walt Disney Co.	COM	254687106	4,714	47,479	SH		SOLE		0	0	47,479
Waste Management, Inc.	COM	94106l109	659	3,090	SH		SOLE		0	0	3,090
Xylem Inc.	COM	98419m100	8,744	64,476	SH		SOLE		0	0	64,476
Yum! Brands Inc.	COM	988498101	572	4,320	SH		SOLE		0	0	4,320
iShares Comex Gold Trust	COM	464285204	2,262	51,513	SH		SOLE		0	0	51,513
iShares Core MSCI EAFE ETF	COM	46432f842	4,819	66,343	SH		SOLE		0	0	66,343
iShares Core MSCI Emerging Mkt	COM	46434g103	5,454	101,887	SH		SOLE		0	0	101,887
iShares Core S&P 500 ETF	COM	464287200	17,771	32,475	SH		SOLE		0	0	32,475
iShares Core S&P Midcap ETF	COM	464287507	2,901	49,581	SH		SOLE		0	0	49,581
iShares Core S&P SmallCap ETF	COM	464287804	7,893	74,007	SH		SOLE		0	0	74,007
iShares Nasdaq Biotechnology I	COM	464287556	1,954	14,242	SH		SOLE		0	0	14,242
iShares Russell 1000 Growth In	COM	464287614	281	772	SH		SOLE		0	0	772
iShares Russell 1000 Index Fun	COM	464287622	228	768	SH		SOLE		0	0	768
iShares Russell 2000 Index Fun	COM	464287655	4,269	21,041	SH		SOLE		0	0	21,041
iShares S&P Global Tech Sector	COM	464287291	298	3,600	SH		SOLE		0	0	3,600
iShares S&P Growth Allocation	COM	464289867	481	8,547	SH		SOLE		0	0	8,547
iShares Core Total US Bond Mar	COM	464287226	415	4,280	SH		SOLE		0	0	4,280
iShares US Preferred Stock	COM	464288687	503	15,964	SH		SOLE		0	0	15,964
VaneckVectors HY Muni ETF	COM	92189h409	1,068	20,690	SH		SOLE		0	0	20,690
iShares iBoxx High Yield Corp	COM	464288513	2,575	33,392	SH		SOLE		0	0	33,392