Davis R M 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
3M CO	COM	88579y101	31,916	181,106	SH		SOLE		179,156	0	1,950
ABBOTT LABS	COM	002824100	1,529	36,166	SH		SOLE		35,064	0	1,102
ABBVIE INC	COM	00287y109	2,061	32,674	SH		SOLE		31,670	0	1,004
ACCENTURE PLC	COM	g1151c101	30,386	248,723	SH		SOLE		246,123	0	2,600
ACUITY BRANDS INC	COM	00508Y102	36,246	136,983	SH		SOLE		134,782	0	2,201
AIR PRODUCTS & CHEMICALS INC	COM	009158106	655	4,357	SH		SOLE		4,357	0	0
ALLERGAN INC	COM	G0177J108	600	2,604	SH		SOLE		2,604	0	0
ALPHABET INC-A	COM	02079K305	36,088	44,882	SH		SOLE		44,042	0	840
ALPHABET INC-C	COM	02079K107	13,268	17,070	SH		SOLE		16,802	0	268
ALTRIA GROUP INC	COM	02209S103	780	12,340	SH		SOLE		12,140	0	200
AMAZON COM INC	COM	023135106	1,495	1,786	SH		SOLE		1,779	0	7
AMERICAN TOWER CORP	COM	03027X100	39,667	350,011	SH		SOLE		344,188	0	5,823
AMERICAN WATER WORKS CO INC	COM	030420103	5,123	68,450	SH		SOLE		67,925	0	525
AMETEK INC	COM	031100100	21,083	441,248	SH		SOLE		436,223	0	5,025
AMGEN INC	COM	031162100	1,196	7,169	SH		SOLE		6,629	0	540
AMPHENOL CORP	COM	032095101	40,703	626,976	SH		SOLE		620,080	0	6,896
ANADARKO PETROLEUM CORP	COM	032511107	261	4,126	SH		SOLE		4,126	0	0
ANSYS INC	COM	03662Q105	3,954	42,700	SH		SOLE		42,600	0	100
AON PLC	COM	g0408v102	15,784	140,314	SH		SOLE		138,544	0	1,770
APACHE CORPORATION	COM	037411105	724	11,342	SH		SOLE		11,142	0	200
APPLE INC	COM	037833100	56,664	501,230	SH		SOLE		493,236	0	7,994
AQUA AMERICA INC	COM	03836W103	279	9,165	SH		SOLE		9,165	0	0
ASSURANT INC	COM	04621X108	2,408	26,099	SH		SOLE		26,099	0	0
AT&T INC	COM	00206R102	2,001	49,283	SH		SOLE		47,756	0	1,527
AUTOMATIC DATA PROCESSING INC	COM	053015103	7,387	83,758	SH		SOLE		81,910	0	1,848
BANK OF NOVA SCOTIA	COM	064149107	772	14,570	SH		SOLE		14,320	0	250
BB&T CORP	COM	054937107	630	16,690	SH		SOLE		16,690	0	0
BERKSHIRE HATHAWAY INC-B	COM	084670702	3,728	25,802	SH		SOLE		25,461	0	341
BIOGEN INC	COM	09062X103	377	1,205	SH		SOLE		1,205	0	0
BOEING CO	COM	097023105	500	3,797	SH		SOLE		3,667	0	130
BORGWARNER INC	COM	099724106	19,736	561,004	SH		SOLE		555,648	0	5,356
BP PLC ADR	COM	055622104	242	6,896	SH		SOLE		6,896	0	0
BRISTOL-MYERS SQUIBB CO	COM	110122108	1,218	22,587	SH		SOLE		22,387	0	200
BROADCOM LTD	COM	Y09827109	289	1,674	SH		SOLE		1,674	0	0
BROWN FORMAN CORP-B	COM	115637209	763	16,088	SH		SOLE		16,088	0	0
C R BARD	COM	067383109	40,283	179,610	SH		SOLE		177,159	0	2,451
CANADIAN NATL RAILWAY	COM	136375102	235	3,600	SH		SOLE		3,600	0	0
CATERPILLAR INC	COM	149123101	419	4,720	SH		SOLE		4,720	0	0
CELGENE CORP	COM	151020104	460	4,400	SH		SOLE		4,400	0	0
CERNER CORP	COM	156782104	45,894	743,220	SH		SOLE		733,727	0	9,493
CHEVRON CORP	COM	166764100	3,365	32,695	SH		SOLE		31,386	0	1,309
CHUBB LTD	COM	H1467J104	26,163	208,221	SH		SOLE		205,485	0	2,736
CHURCH & DWIGHT INC	COM	171340102	546	11,402	SH		SOLE		11,382	0	20
CISCO SYSTEMS INC	COM	17275R102	920	29,010	SH		SOLE		28,260	0	750
CLOROX CO	COM	189054109	951	7,600	SH		SOLE		7,300	0	300
CME GROUP INC	COM	12572q105	13,154	125,855	SH		SOLE		123,860	0	1,995
COCA COLA CO	COM	191216100	1,662	39,272	SH		SOLE		38,682	0	590
COGNIZANT TECH SOLUTIONS CORP	COM	192446102	12,433	260,595	SH		SOLE		258,940	0	1,655
COLGATE PALMOLIVE CO	COM	194162103	19,288	260,159	SH		SOLE		255,978	0	4,181
COMCAST CORP	COM	20030n101	8,491	127,992	SH		SOLE		127,663	0	329
CONOCOPHILLIPS	COM	20825c104	4,216	96,984	SH		SOLE		95,577	0	1,407
COOPER COMPANIES INC	COM	216648402	10,082	56,245	SH		SOLE		55,275	0	970
COSTCO WHOLESALE CORP	COM	22160K105	15,729	103,137	SH		SOLE		101,822	0	1,315
CVS HEALTH CORPORATION	COM	126650100	996	11,190	SH		SOLE		10,984	0	206
DANAHER CORP	COM	235851102	29,494	376,246	SH		SOLE		370,441	0	5,805
DEERE & CO	COM	244199105	695	8,141	SH		SOLE		7,996	0	145
DENTSPLY SIRONA INC	COM	24906P109	300	5,044	SH		SOLE		5,044	0	0
DIAGEO PLC ADR	COM	25243Q205	386	3,325	SH		SOLE		3,325	0	0
DICKS SPORTING GOODS INC	COM	253393102	22,757	401,225	SH		SOLE		398,390	0	2,835
DOMINION RES INC VA	COM	25746U109	215	2,895	SH		SOLE		2,895	0	0
DOW CHEMICAL CO	COM	260543103	284	5,485	SH		SOLE		5,485	0	0
DU PONT DE NEMOURS	COM	263534109	1,087	16,238	SH		SOLE		16,129	0	109
DUNKIN BRANDS GROUP INC	COM	265504100	41,990	806,258	SH		SOLE		794,318	0	11,940
EBAY INC	COM	278642103	395	12,000	SH		SOLE		12,000	0	0
ECOLAB INC	COM	278865100	33,879	278,332	SH		SOLE		274,876	0	3,456
ELI LILLY & CO	COM	532457108	1,077	13,417	SH		SOLE		13,042	0	375
EMERSON ELEC CO	COM	291011104	2,166	39,727	SH		SOLE		38,657	0	1,070
ENERGY TRANSFER EQUITY LP	COM	29273V100	201	12,000	SH		SOLE		12,000	0	0
ENTERPRISE PRODUCTS PARTNERS L	COM	293792107	1,127	40,782	SH		SOLE		36,682	0	4,100
EOG RESOURCES INC	COM	26875P101	389	4,020	SH		SOLE		4,020	0	0
EXPRESS SCRIPTS HOLDING CO	COM	30219g108	7,849	111,281	SH		SOLE		110,015	0	1,266
EXXON MOBIL CORP	COM	30231G102	44,201	506,431	SH		SOLE		495,234	0	11,197
F5 NETWORKS INC	COM	315616102	12,837	102,991	SH		SOLE		101,366	0	1,625
FACEBOOK INC-A	COM	30303M102	4,573	35,653	SH		SOLE		33,823	0	1,830
FMC TECHNOLOGIES INC	COM	30249u101	1,292	43,531	SH		SOLE		42,991	0	540
FORD MOTOR CO	COM	345370860	159	13,141	SH		SOLE		13,000	0	141
FORTIVE CORP	COM	34959J108	261	5,135	SH		SOLE		5,135	0	0
GENERAL ELECTRIC CO	COM	369604103	4,248	143,427	SH		SOLE		138,036	0	5,391
GENERAL MILLS INC	COM	370334104	285	4,459	SH		SOLE		4,459	0	0
GENUINE PARTS CO	COM	372460105	236	2,346	SH		SOLE		2,346	0	0
GILEAD SCIENCES INC	COM	375558103	14,611	184,664	SH		SOLE		182,037	0	2,627
GUGGENHEIM S&P 500 EQUAL WEIGH	COM	78355W106	758	9,070	SH		SOLE		0	0	9,070
HAIN CELESTIAL GROUP INC	COM	405217100	17,695	497,336	SH		SOLE		489,975	0	7,361
HARRIS CORP	COM	413875105	294	3,207	SH		SOLE		3,182	0	25
HEALTHCARE SVCS GRP INC	COM	421906108	17,939	453,244	SH		SOLE		444,694	0	8,550
HENRY SCHEIN INC	COM	806407102	39,124	240,051	SH		SOLE		236,798	0	3,253
HERSHEY CO	COM	427866108	18,963	198,353	SH		SOLE		195,538	0	2,815
HOLOGIC INC	COM	436440101	22,335	575,190	SH		SOLE		570,405	0	4,785
HOME DEPOT INC	COM	437076102	1,776	13,800	SH		SOLE		13,800	0	0
HONEYWELL INTERNATIONAL INC	COM	438516106	2,788	23,913	SH		SOLE		23,473	0	440
IDEXX LABS CORP	COM	45168d104	30,704	272,369	SH		SOLE		269,559	0	2,810
ILLINOIS TOOL WKS INC	COM	452308109	1,027	8,571	SH		SOLE		8,471	0	100
INTEL CORP	COM	458140100	860	22,793	SH		SOLE		22,514	0	279
INTL BUSINESS MACHINES CORP	COM	459200101	2,977	18,738	SH		SOLE		18,122	0	616
INTUIT	COM	461202103	28,132	255,726	SH		SOLE		252,691	0	3,035
ISHARES CORE S&P M/C ETF	COM	464287507	5,114	33,055	SH		SOLE		6,095	0	26,960
ISHARES CORE S&P S/C ETF	COM	464287804	399	3,213	SH		SOLE		2,162	0	1,051
ISHARES CORE S&P500 ETF	COM	464287200	445	2,046	SH		SOLE		1,760	0	286
ISHARES RUSSELL 1000 GROWTH ET	COM	464287614	466	4,474	SH		SOLE		4,359	0	115
ISHARES RUSSELL 2000 ETF	COM	464287655	1,173	9,448	SH		SOLE		3,337	0	6,111
ISHARES RUSSELL 3000 INDEX	COM	464287689	50,869	396,827	SH		SOLE		396,827	0	0
ISHARES RUSSELL M/C ETF	COM	464287499	1,035	5,935	SH		SOLE		2,447	0	3,488
ISHARES S&P MIDCAP 400 GWTH	COM	464287606	524	3,000	SH		SOLE		3,000	0	0
JACK HENRY & ASSOCIATES INC	COM	426281101	210	2,450	SH		SOLE		2,450	0	0
JOHNSON & JOHNSON	COM	478160104	43,212	365,804	SH		SOLE		358,053	0	7,751
JPMORGAN CHASE & CO	COM	46625h100	3,039	45,636	SH		SOLE		45,316	0	320
KEYCORP	COM	493267108	139	11,414	SH		SOLE		11,414	0	0
KIMBERLY CLARK CORP	COM	494368103	3,822	30,300	SH		SOLE		29,900	0	400
KINDER MORGAN INC	COM	49456b101	655	28,321	SH		SOLE		23,745	0	4,576
KRAFT HEINZ CO	COM	500754106	344	3,844	SH		SOLE		3,798	0	46
LOCKHEED MARTIN CORP	COM	539830109	527	2,200	SH		SOLE		2,200	0	0
LOWE'S COMPANIES INC	COM	548661107	1,477	20,454	SH		SOLE		19,654	0	800
MAGELLAN MIDSTREAM PARTNERS LP	COM	559080106	578	8,173	SH		SOLE		7,173	0	1,000
MASTERCARD INC-A	COM	57636Q104	257	2,530	SH		SOLE		2,405	0	125
MCCORMICK & CO INC	COM	579780206	22,179	221,967	SH		SOLE		220,425	0	1,542
MCDONALDS CORP	COM	580135101	2,998	25,991	SH		SOLE		24,498	0	1,493
MEDTRONIC PLC	COM	g5960l103	34,497	399,269	SH		SOLE		393,808	0	5,461
MERCK & CO INC	COM	58933Y105	1,429	22,892	SH		SOLE		22,652	0	240
METTLER-TOLEDO INTERNATIONAL I	COM	592688105	40,429	96,299	SH		SOLE		94,719	0	1,580
MICROCHIP TECHNOLOGY INC	COM	595017104	34,069	548,255	SH		SOLE		539,518	0	8,737
MICROSOFT CORP	COM	594918104	9,353	162,382	SH		SOLE		160,038	0	2,344
MONDELEZ INTL INC-A	COM	609207105	497	11,319	SH		SOLE		11,181	0	138
MORGAN STANLEY	COM	617446448	265	8,275	SH		SOLE		8,275	0	0
NIKE INC	COM	654106103	20,552	390,357	SH		SOLE		385,566	0	4,791
NORFOLK SOUTHERN CORP	COM	655844108	874	9,007	SH		SOLE		8,567	0	440
NORTHERN TRUST CORP	COM	665859104	15,292	224,911	SH		SOLE		221,576	0	3,335
NOVARTIS AG ADR	COM	66987V109	227	2,880	SH		SOLE		2,880	0	0
NOVO-NORDISK A/S ADR	COM	670100205	1,936	46,545	SH		SOLE		46,545	0	0
OCCIDENTAL PETROLEUM CORP	COM	674599105	222	3,041	SH		SOLE		3,041	0	0
OMNICOM GROUP INC	COM	681919106	7,401	87,075	SH		SOLE		85,700	0	1,375
ORACLE CORP	COM	68389X105	280	7,131	SH		SOLE		6,831	0	300
OSHKOSH CORP	COM	688239201	11,837	211,380	SH		SOLE		208,950	0	2,430
PATTERSON COMPANIES INC	COM	703395103	465	10,120	SH		SOLE		9,920	0	200
PAYCHEX INC	COM	704326107	417	7,200	SH		SOLE		7,200	0	0
PEPSICO INC	COM	713448108	45,116	414,780	SH		SOLE		410,112	0	4,668
PERRIGO CO PLC	COM	g97822103	7,426	80,424	SH		SOLE		79,327	0	1,097
PFIZER INC	COM	717081103	2,757	81,405	SH		SOLE		80,070	0	1,335
PHILIP MORRIS INTL INC	COM	718172109	813	8,358	SH		SOLE		8,158	0	200
PHILLIPS 66	COM	718546104	30,647	380,477	SH		SOLE		376,997	0	3,480
PIEDMONT NATURAL GAS CO	COM	720186105	216	3,600	SH		SOLE		3,600	0	0
PNC FINANCIAL SERVICES GROUP	COM	693475105	277	3,071	SH		SOLE		3,071	0	0
PRAXAIR INC	COM	74005p104	22,182	183,577	SH		SOLE		179,998	0	3,579
PRICELINE GROUP INC	COM	741503403	16,769	11,396	SH		SOLE		11,207	0	189
PROCTER & GAMBLE CO	COM	742718109	12,255	136,541	SH		SOLE		127,389	0	9,152
PRUDENTIAL FINANCIAL INC	COM	744320102	348	4,266	SH		SOLE		4,266	0	0
PUBLIC STORAGE	COM	74460D109	230	1,032	SH		SOLE		1,032	0	0
QUALCOMM INC	COM	747525103	23,649	345,236	SH		SOLE		340,105	0	5,131
REALTY INCOME CORP	COM	756109104	278	4,150	SH		SOLE		4,150	0	0
RED HAT INC	COM	756577102	33,905	419,464	SH		SOLE		413,991	0	5,473
ROPER TECHNOLOGIES INC	COM	776696106	31,594	173,146	SH		SOLE		169,921	0	3,225
ROYAL DUTCH SHELL ADR-A	COM	780259206	826	16,505	SH		SOLE		16,325	0	180
SCHLUMBERGER LTD	COM	806857108	12,603	160,258	SH		SOLE		159,053	0	1,205
SHERWIN WILLIAMS CO	COM	824348106	9,270	33,506	SH		SOLE		32,551	0	955
SIRIUS XM HOLDINGS INC	COM	82968B103	48	11,562	SH		SOLE		11,500	0	62
SMUCKER J M CO	COM	832696405	765	5,642	SH		SOLE		5,642	0	0
SPDR S&P 500 ETF TRUST	COM	78462F103	6,284	29,054	SH		SOLE		9,372	0	19,682
SPDR S&P M/C 400 ETF	COM	78467Y107	1,843	6,528	SH		SOLE		2,031	0	4,497
STARBUCKS CORP	COM	855244109	22,026	406,840	SH		SOLE		401,125	0	5,715
STERICYCLE INC	COM	858912108	18,028	224,954	SH		SOLE		222,120	0	2,834
STRYKER CORP	COM	863667101	27,355	234,989	SH		SOLE		231,474	0	3,515
SYSCO CORP	COM	871829107	417	8,500	SH		SOLE		8,500	0	0
T ROWE PRICE GROUP INC	COM	74144T108	17,994	270,586	SH		SOLE		266,056	0	4,530
THERMO FISHER SCIENTIFIC INC	COM	883556102	11,155	70,128	SH		SOLE		69,993	0	135
TJX COS INC	COM	872540109	28,377	379,472	SH		SOLE		373,337	0	6,135
TOLL BROTHERS INC	COM	889478103	11,730	392,835	SH		SOLE		391,260	0	1,575
TORCHMARK CORP	COM	891027104	10,320	161,530	SH		SOLE		158,908	0	2,622
TORONTO-DOMINION BANK	COM	891160509	670	15,086	SH		SOLE		15,086	0	0
TOTAL SA ADR	COM	89151e109	417	8,734	SH		SOLE		8,584	0	150
TRANSCANADA CORP	COM	89353D107	1,094	23,000	SH		SOLE		23,000	0	0
TRAVELERS COMPANIES INC	COM	89417E109	770	6,718	SH		SOLE		6,718	0	0
UNILEVER NV-NY SHARES	COM	904784709	320	6,934	SH		SOLE		6,934	0	0
UNILEVER PLC ADR	COM	904767704	28,405	599,257	SH		SOLE		588,619	0	10,638
UNION PACIFIC CORP	COM	907818108	12,950	132,783	SH		SOLE		130,334	0	2,449
UNITED TECHNOLOGIES CORP	COM	913017109	25,564	251,611	SH		SOLE		246,922	0	4,689
UNITEDHEALTH GROUP INC	COM	91324P102	320	2,285	SH		SOLE		2,085	0	200
UNIVERSAL HEALTH SERVICES-B	COM	913903100	270	2,192	SH		SOLE		2,192	0	0
UNUM GROUP	COM	91529Y106	1,254	35,516	SH		SOLE		35,509	0	7
US BANCORP	COM	902973304	31,193	727,277	SH		SOLE		716,062	0	11,215
V F CORP	COM	918204108	13,806	246,320	SH		SOLE		244,747	0	1,573
VANGUARD S/C ETF	COM	922908751	1,122	9,183	SH		SOLE		1,331	0	7,852
VANGUARD US TOTAL STOCK MKT	COM	922908769	2,413	21,677	SH		SOLE		7,436	0	14,241
VERIZON COMMUNICATIONS INC	COM	92343v104	2,001	38,504	SH		SOLE		36,728	0	1,776
VISA INC-A	COM	92826C839	26,297	317,978	SH		SOLE		315,614	0	2,364
VULCAN MATERIALS CO	COM	929160109	1,639	14,410	SH		SOLE		14,410	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	970	12,030	SH		SOLE		12,030	0	0
WALT DISNEY CO	COM	254687106	29,093	313,296	SH		SOLE		308,263	0	5,033
WASTE CONNECTIONS INC (ONTARIO	COM	94106b101	53,307	713,609	SH		SOLE		701,896	0	11,713
WASTE MANAGEMENT INC	COM	94106L109	389	6,100	SH		SOLE		6,100	0	0
WELLS FARGO CO	COM	949746101	17,024	384,470	SH		SOLE		374,495	0	9,975
WEYERHAEUSER CO	COM	962166104	5,671	177,553	SH		SOLE		174,473	0	3,080
WISDOMTREE HIGH DIVIDEND FUND	COM	97717W208	359	5,400	SH		SOLE		5,400	0	0
XYLEM INC	COM	98419M100	453	8,635	SH		SOLE		8,620	0	15
YUM BRANDS INC	COM	988498101	464	5,108	SH		SOLE		5,008	0	100
ZIMMER BIOMET HOLDINGS INC	COM	98956P102	361	2,775	SH		SOLE		2,565	0	210
ISHARES MSCI EAFE ETF	INTL	464287465	2,228	37,678	SH		SOLE		36,164	0	1,514
VANGUARD FTSE ALL WORLD EX-US	INTL	922042775	7,379	162,420	SH		SOLE		150,030	0	12,390
VANGUARD FTSE DEV MKTS ETF	INTL	921943858	48,075	1,285,084	SH		SOLE		1,275,836	0	9,248
VANGUARD FTSE EMERGING MKTS ET	INTL	922042858	8,522	226,458	SH		SOLE		207,170	0	19,288