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	480	4,394	SH		SOLE		0	0	4,394
AMEX Energy Sector SPDR	COM	81369y506	3,943	47,041	SH		SOLE		0	0	47,041
AbbVie Inc.	COM	00287y109	8,329	53,752	SH		SOLE		0	0	53,752
Abbott Laboratories	COM	002824100	6,793	61,723	SH		SOLE		0	0	61,723
Accenture PLC	COM	G1151C101	6,254	17,823	SH		SOLE		0	0	17,823
Agilent Technologies, Inc.	COM	00846u101	255	1,841	SH		SOLE		0	0	1,841
Alphabet, Inc. - Class A	COM	02079k305	7,513	53,788	SH		SOLE		0	0	53,788
Alphabet, Inc. - Class C	COM	02079k107	1,617	11,475	SH		SOLE		0	0	11,475
Amazon.com, Inc.	COM	023135106	5,286	34,791	SH		SOLE		0	0	34,791
Amgen Inc.	COM	031162100	356	1,237	SH		SOLE		0	0	1,237
Apple Inc.	COM	037833100	11,255	58,461	SH		SOLE		0	0	58,461
Archer Daniels Midland Com	COM	039483102	207	2,880	SH		SOLE		0	0	2,880
Automatic Data Processing, Inc	COM	053015103	399	1,715	SH		SOLE		0	0	1,715
Bank of New York Mellon Corp.	COM	064058100	4,900	94,146	SH		SOLE		0	0	94,146
Berkshire Hathaway Inc. Class	COM	084670702	7,174	20,115	SH		SOLE		0	0	20,115
Boeing Co	COM	097023105	338	1,300	SH		SOLE		0	0	1,300
Boston Properties, Inc.	COM	101121101	340	4,850	SH		SOLE		0	0	4,850
Bristol-Myers Squibb Company	COM	110122108	341	6,660	SH		SOLE		0	0	6,660
CVS Health Corp	COM	126650100	5,324	67,433	SH		SOLE		0	0	67,433
Cambridge Heart Inc.	COM	131910101	0	10,200	SH		SOLE		0	0	10,200
Caterpillar	COM	149123101	1,047	3,542	SH		SOLE		0	0	3,542
Chevron Corp	COM	166764100	1,313	8,808	SH		SOLE		0	0	8,808
Cintas Corporation	COM	172908105	3,332	5,530	SH		SOLE		0	0	5,530
Cisco Systems, Inc.	COM	17275r102	7,285	144,203	SH		SOLE		0	0	144,203
Coca-Cola Company	COM	191216100	4,696	79,700	SH		SOLE		0	0	79,700
Colgate-Palmolive Company	COM	194162103	5,101	64,006	SH		SOLE		0	0	64,006
Comcast Corp Cl A Vtg	COM	20030N101	5,490	125,203	SH		SOLE		0	0	125,203
ConocoPhillips	COM	20825C104	3,463	29,839	SH		SOLE		0	0	29,839
D.R. Horton, Inc.	COM	23331a109	6,269	41,254	SH		SOLE		0	0	41,254
Danaher Corp.	COM	235851102	480	2,078	SH		SOLE		0	0	2,078
Duke Energy Corp.	COM	26441c204	4,279	44,097	SH		SOLE		0	0	44,097
Eli Lilly & Co	COM	532457108	2,584	4,433	SH		SOLE		0	0	4,433
Emerson Electric Co	COM	291011104	496	5,100	SH		SOLE		0	0	5,100
Exxon Mobil Corp.	COM	30231g102	5,041	50,422	SH		SOLE		0	0	50,422
Fastenal Co	COM	311900104	9,026	139,370	SH		SOLE		0	0	139,370
Fortrea Holdings Inc	COM	34965k107	755	21,658	SH		SOLE		0	0	21,658
General Dynamics Corporation	COM	369550108	218	840	SH		SOLE		0	0	840
General Electric Company	COM	369604301	307	2,413	SH		SOLE		0	0	2,413
General Mills Inc Com	COM	370334104	6,717	103,130	SH		SOLE		0	0	103,130
Genuine Parts	COM	372460105	331	2,390	SH		SOLE		0	0	2,390
HP Inc.	COM	40434l105	261	8,680	SH		SOLE		0	0	8,680
Home Depot, Inc.	COM	437076102	3,217	9,285	SH		SOLE		0	0	9,285
Illinois Tool Works	COM	452308109	675	2,580	SH		SOLE		0	0	2,580
Intel Corp	COM	458140100	5,947	118,358	SH		SOLE		0	0	118,358
Intl Business Machines Corp	COM	459200101	752	4,603	SH		SOLE		0	0	4,603
Invesco QQQ Trust Series 1	COM	46090e103	353	863	SH		SOLE		0	0	863
Invesco S&P 500 Equal Weight	COM	46137V357	390	2,477	SH		SOLE		0	0	2,477
J.P. Morgan Chase & Co.	COM	46625h100	6,477	38,081	SH		SOLE		0	0	38,081
Johnson & Johnson	COM	478160104	1,522	9,711	SH		SOLE		0	0	9,711
Kimberly-Clark Corp	COM	494368103	374	3,085	SH		SOLE		0	0	3,085
Laboratory CP Amer Hldgs	COM	50540R409	5,484	24,129	SH		SOLE		0	0	24,129
Linde PLC	COM	g54950103	6,849	16,677	SH		SOLE		0	0	16,677
Lockheed Martin Corp	COM	539830109	4,872	10,751	SH		SOLE		0	0	10,751
Lowe's Companies	COM	548661107	218	980	SH		SOLE		0	0	980
Magna International, Inc. Cl A	COM	559222401	3,201	54,185	SH		SOLE		0	0	54,185
Marsh & McLennan Companies, In	COM	571748102	496	2,620	SH		SOLE		0	0	2,620
Masco Corp	COM	574599106	267	4,000	SH		SOLE		0	0	4,000
Mastercard, Inc.	COM	57636q104	9,388	22,011	SH		SOLE		0	0	22,011
McDonald's Corp	COM	580135101	7,187	24,239	SH		SOLE		0	0	24,239
Medtronic Plc	COM	G5960L103	3,879	47,096	SH		SOLE		0	0	47,096
Merck & Co. Inc.	COM	58933Y105	6,707	61,525	SH		SOLE		0	0	61,525
Microsoft Corp	COM	594918104	16,937	45,041	SH		SOLE		0	0	45,041
Nextera Energy Inc.	COM	65339F101	4,143	68,222	SH		SOLE		0	0	68,222
Nucor Corporation	COM	670346105	336	1,936	SH		SOLE		0	0	1,936
Nvidia	COM	67066G104	638	1,290	SH		SOLE		0	0	1,290
Omnicom Group Inc Com	COM	681919106	4,370	50,523	SH		SOLE		0	0	50,523
Oracle Corp.	COM	68389X105	1,087	10,319	SH		SOLE		0	0	10,319
PPG Industries	COM	693506107	553	3,700	SH		SOLE		0	0	3,700
Paychex, Inc.	COM	704326107	907	7,615	SH		SOLE		0	0	7,615
Pepsi Co Inc	COM	713448108	5,278	31,076	SH		SOLE		0	0	31,076
Pfizer Inc.	COM	717081103	482	16,763	SH		SOLE		0	0	16,763
Procter & Gamble Co	COM	742718109	6,363	43,424	SH		SOLE		0	0	43,424
Qorvo Inc.	COM	74736K101	3,811	33,850	SH		SOLE		0	0	33,850
Qualcomm, Inc.	COM	747525103	436	3,020	SH		SOLE		0	0	3,020
SPDR DJIA ETF Trust	COM	78467X109	1,266	3,360	SH		SOLE		0	0	3,360
SPDR S&P 500 ETF	COM	78462F103	3,388	7,130	SH		SOLE		0	0	7,130
Snap-On Inc.	COM	833034101	5,251	18,183	SH		SOLE		0	0	18,183
Southern Co	COM	842587107	330	4,710	SH		SOLE		0	0	4,710
Stryker Corp	COM	863667101	1,303	4,354	SH		SOLE		0	0	4,354
Sysco Corp	COM	871829107	4,303	58,840	SH		SOLE		0	0	58,840
Thermo Fisher Scientific	COM	883556102	4,709	8,872	SH		SOLE		0	0	8,872
Tractor Supply Co	COM	892356106	8,093	37,641	SH		SOLE		0	0	37,641
US Bancorp	COM	902973304	3,717	85,896	SH		SOLE		0	0	85,896
United Parcel Services	COM	911312106	5,577	35,475	SH		SOLE		0	0	35,475
UnitedHealth Group Inc	COM	91324P102	389	740	SH		SOLE		0	0	740
VanEck Vectors Biotech ETF	COM	92189F726	2,102	12,721	SH		SOLE		0	0	12,721
Vanguard Developed Markets ETF	COM	921943858	1,053	21,999	SH		SOLE		0	0	21,999
Vanguard Emerging Markets ETF	COM	922042858	686	16,693	SH		SOLE		0	0	16,693
Vanguard FTSE All-World Ex-US	COM	922042775	1,201	21,403	SH		SOLE		0	0	21,403
Vanguard Small-Cap ETF	COM	922908751	2,333	10,939	SH		SOLE		0	0	10,939
Vanguard Total Stock Market ET	COM	922908769	2,936	12,380	SH		SOLE		0	0	12,380
Verizon Communications	COM	92343v104	3,678	97,576	SH		SOLE		0	0	97,576
Wal-Mart Stores	COM	931142103	7,391	46,887	SH		SOLE		0	0	46,887
Walt Disney Co.	COM	254687106	4,107	45,487	SH		SOLE		0	0	45,487
Waste Management, Inc.	COM	94106l109	553	3,090	SH		SOLE		0	0	3,090
Worthington Enterprises, Inc.	COM	981811102	201	3,500	SH		SOLE		0	0	3,500
Xylem Inc.	COM	98419m100	7,512	65,692	SH		SOLE		0	0	65,692
Yum! Brands Inc.	COM	988498101	564	4,320	SH		SOLE		0	0	4,320
iShares Comex Gold Trust	COM	464285204	2,058	52,753	SH		SOLE		0	0	52,753
iShares Core MSCI EAFE ETF	COM	46432f842	4,703	66,857	SH		SOLE		0	0	66,857
iShares Core MSCI Emerging Mkt	COM	46434g103	5,154	101,898	SH		SOLE		0	0	101,898
iShares Core S&P 500 ETF	COM	464287200	15,994	33,486	SH		SOLE		0	0	33,486
iShares Core S&P Midcap ETF	COM	464287507	2,797	10,092	SH		SOLE		0	0	10,092
iShares Core S&P SmallCap ETF	COM	464287804	7,943	73,377	SH		SOLE		0	0	73,377
iShares Nasdaq Biotechnology I	COM	464287556	2,045	15,056	SH		SOLE		0	0	15,056
iShares Russell 1000 Growth In	COM	464287614	245	811	SH		SOLE		0	0	811
iShares Russell 1000 Index Fun	COM	464287622	201	768	SH		SOLE		0	0	768
iShares Russell 2000 Index Fun	COM	464287655	4,226	21,058	SH		SOLE		0	0	21,058
iShares S&P Global Tech Sector	COM	464287291	245	3,600	SH		SOLE		0	0	3,600
iShares S&P Growth Allocation	COM	464289867	469	8,827	SH		SOLE		0	0	8,827
iShares Core Total US Bond Mar	COM	464287226	368	3,717	SH		SOLE		0	0	3,717
iShares US Preferred Stock	COM	464288687	545	17,491	SH		SOLE		0	0	17,491
VaneckVectors HY Muni ETF	COM	92189h409	1,175	22,768	SH		SOLE		0	0	22,768
iShares iBoxx High Yield Corp	COM	464288513	2,661	34,387	SH		SOLE		0	0	34,387