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	28,055	186,242	SH		SOLE		182,982	0	3,260
ABBOTT LABS	COM	002824100	1,661	36,984	SH		SOLE		35,419	0	1,565
ABBVIE INC	COM	00287y109	1,660	28,020	SH		SOLE		26,593	0	1,427
ACCENTURE PLC	COM	g1151c101	26,547	254,042	SH		SOLE		251,407	0	2,635
ACUITY BRANDS INC	COM	00508Y102	29,901	127,892	SH		SOLE		125,772	0	2,120
AGL RESOURCES INC	COM	001204106	236	3,694	SH		SOLE		3,694	0	0
AIR PRODUCTS & CHEMICALS INC	COM	009158106	519	3,988	SH		SOLE		3,657	0	331
ALLERGAN INC	COM	G0177J108	603	1,931	SH		SOLE		1,931	0	0
ALPHABET INC-A	COM	02079K305	35,896	46,138	SH		SOLE		45,124	0	1,014
ALPHABET INC-C	COM	02079K107	16,738	22,056	SH		SOLE		21,483	0	573
ALTRIA GROUP INC	COM	02209S103	806	13,840	SH		SOLE		13,640	0	200
AMAZON COM INC	COM	023135106	1,142	1,689	SH		SOLE		1,683	0	6
AMERICAN TOWER CORP	COM	03027X100	29,783	307,204	SH		SOLE		302,269	0	4,935
AMETEK INC	COM	031100100	21,682	404,594	SH		SOLE		399,719	0	4,875
AMGEN INC	COM	031162100	1,188	7,321	SH		SOLE		7,096	0	225
AMPHENOL CORP	COM	032095101	33,904	649,132	SH		SOLE		641,932	0	7,200
AON PLC	COM	g0408v102	9,963	108,044	SH		SOLE		106,574	0	1,470
APACHE CORPORATION	COM	037411105	1,442	32,427	SH		SOLE		32,227	0	200
APPLE INC	COM	037833100	52,124	495,195	SH		SOLE		485,254	0	9,941
AQUA AMERICA INC	COM	03836W103	288	9,665	SH		SOLE		9,665	0	0
AT&T INC	COM	00206R102	1,613	46,878	SH		SOLE		44,740	0	2,138
AUTOMATIC DATA PROCESSING INC	COM	053015103	7,724	91,166	SH		SOLE		89,234	0	1,932
BANK OF NEW YORK MELLON	COM	064058100	216	5,245	SH		SOLE		1,549	0	3,696
BANK OF NOVA SCOTIA	COM	064149107	763	18,865	SH		SOLE		16,915	0	1,950
BERKSHIRE HATHAWAY INC-B	COM	084670702	2,689	20,362	SH		SOLE		19,914	0	448
BIOGEN INC	COM	09062X103	473	1,544	SH		SOLE		1,544	0	0
BOEING CO	COM	097023105	502	3,475	SH		SOLE		3,345	0	130
BORGWARNER INC	COM	099724106	23,435	542,110	SH		SOLE		535,765	0	6,345
BP PLC ADR	COM	055622104	254	8,134	SH		SOLE		8,134	0	0
BRISTOL-MYERS SQUIBB CO	COM	110122108	1,456	21,161	SH		SOLE		20,737	0	424
BROWN FORMAN CORP-B	COM	115637209	645	6,500	SH		SOLE		6,500	0	0
C R BARD	COM	067383109	36,250	191,352	SH		SOLE		188,552	0	2,800
CANADIAN NATL RAILWAY	COM	136375102	266	4,760	SH		SOLE		4,760	0	0
CATERPILLAR INC	COM	149123101	490	7,210	SH		SOLE		7,210	0	0
CELGENE CORP	COM	151020104	519	4,336	SH		SOLE		4,286	0	50
CERNER CORP	COM	156782104	40,232	668,637	SH		SOLE		660,632	0	8,005
CHEVRON CORP	COM	166764100	3,180	35,352	SH		SOLE		33,852	0	1,500
CHUBB CORP	COM	171232101	43,428	327,416	SH		SOLE		319,599	0	7,818
CHURCH & DWIGHT INC	COM	171340102	211	2,481	SH		SOLE		2,481	0	0
CISCO SYSTEMS INC	COM	17275R102	902	33,235	SH		SOLE		32,233	0	1,002
CLOROX CO	COM	189054109	886	6,982	SH		SOLE		6,584	0	398
CME GROUP INC	COM	12572q105	10,398	114,765	SH		SOLE		113,440	0	1,325
COCA COLA CO	COM	191216100	1,566	36,455	SH		SOLE		34,466	0	1,989
COGNIZANT TECH SOLUTIONS CORP	COM	192446102	15,925	265,333	SH		SOLE		261,353	0	3,980
COLGATE PALMOLIVE CO	COM	194162103	17,463	262,132	SH		SOLE		258,051	0	4,081
COMCAST CORP	COM	20030n101	7,761	137,540	SH		SOLE		136,683	0	857
CONOCOPHILLIPS	COM	20825c104	10,142	217,213	SH		SOLE		210,533	0	6,680
COOPER COMPANIES INC	COM	216648402	5,692	42,415	SH		SOLE		41,370	0	1,045
COSTCO WHOLESALE CORP	COM	22160K105	18,088	111,997	SH		SOLE		110,632	0	1,365
CVS HEALTH CORPORATION	COM	126650100	825	8,437	SH		SOLE		8,231	0	206
DANAHER CORP	COM	235851102	33,741	363,272	SH		SOLE		357,207	0	6,065
DEERE & CO	COM	244199105	683	8,949	SH		SOLE		8,804	0	145
DIAGEO PLC ADR	COM	25243Q205	374	3,425	SH		SOLE		3,425	0	0
DICKS SPORTING GOODS INC	COM	253393102	8,511	240,776	SH		SOLE		238,251	0	2,525
DU PONT DE NEMOURS	COM	263534109	1,063	15,959	SH		SOLE		15,016	0	943
DUNKIN BRANDS GROUP INC	COM	265504100	24,634	578,388	SH		SOLE		569,248	0	9,140
EBAY INC	COM	278642103	388	14,128	SH		SOLE		14,128	0	0
ECOLAB INC	COM	278865100	32,248	281,942	SH		SOLE		278,297	0	3,645
ELI LILLY & CO	COM	532457108	997	11,832	SH		SOLE		10,555	0	1,277
EMC CORP	COM	268648102	23,307	907,579	SH		SOLE		895,874	0	11,705
EMERSON ELEC CO	COM	291011104	1,904	39,812	SH		SOLE		38,562	0	1,250
ENERGY TRANSFER EQUITY LP	COM	29273V100	165	12,000	SH		SOLE		12,000	0	0
ENTERPRISE PRODUCTS PARTNERS L	COM	293792107	1,150	44,946	SH		SOLE		41,846	0	3,100
EXPRESS SCRIPTS HOLDING CO	COM	30219g108	15,651	179,048	SH		SOLE		176,797	0	2,251
EXXON MOBIL CORP	COM	30231G102	39,493	506,646	SH		SOLE		494,167	0	12,479
F5 NETWORKS INC	COM	315616102	9,803	101,106	SH		SOLE		99,446	0	1,660
FACEBOOK INC-A	COM	30303M102	470	4,489	SH		SOLE		4,127	0	362
FMC TECHNOLOGIES INC	COM	30249u101	1,885	64,980	SH		SOLE		63,930	0	1,050
GENERAL ELECTRIC CO	COM	369604103	4,741	152,189	SH		SOLE		132,897	0	19,292
GENERAL MILLS INC	COM	370334104	276	4,794	SH		SOLE		4,794	0	0
GILEAD SCIENCES INC	COM	375558103	20,663	204,203	SH		SOLE		200,834	0	3,369
GLAXOSMITHKLINE PLC ADR	COM	37733W105	226	5,590	SH		SOLE		5,590	0	0
GUGGENHEIM S&P 500 EQUAL WEIGH	COM	78355W106	772	10,070	SH		SOLE		1,500	0	8,570
HAIN CELESTIAL GROUP INC	COM	405217100	28,736	711,470	SH		SOLE		698,635	0	12,835
HARRIS CORP	COM	413875105	279	3,207	SH		SOLE		2,404	0	803
HEALTHCARE SVCS GRP INC	COM	421906108	16,134	462,680	SH		SOLE		449,930	0	12,750
HENRY SCHEIN INC	COM	806407102	41,151	260,135	SH		SOLE		256,405	0	3,730
HERSHEY CO	COM	427866108	20,430	228,852	SH		SOLE		225,187	0	3,665
HOLOGIC INC	COM	436440101	20,641	533,495	SH		SOLE		525,085	0	8,410
HOME DEPOT INC	COM	437076102	1,776	13,427	SH		SOLE		13,427	0	0
HONEYWELL INTERNATIONAL INC	COM	438516106	2,483	23,970	SH		SOLE		23,530	0	440
IDEXX LABS CORP	COM	45168d104	20,667	283,427	SH		SOLE		280,212	0	3,215
ILLINOIS TOOL WKS INC	COM	452308109	771	8,321	SH		SOLE		7,941	0	380
INTEL CORP	COM	458140100	602	17,473	SH		SOLE		17,256	0	217
INTL BUSINESS MACHINES CORP	COM	459200101	4,094	29,749	SH		SOLE		28,802	0	947
INTUIT	COM	461202103	18,185	188,441	SH		SOLE		186,766	0	1,675
ISHARES CORE S&P M/C ETF	COM	464287507	3,777	27,109	SH		SOLE		6,797	0	20,312
ISHARES CORE S&P S/C ETF	COM	464287804	218	1,976	SH		SOLE		1,087	0	889
ISHARES CORE S&P500 ETF	COM	464287200	433	2,114	SH		SOLE		1,860	0	254
ISHARES RUSSELL 1000 GROWTH ET	COM	464287614	386	3,881	SH		SOLE		3,766	0	115
ISHARES RUSSELL 2000 ETF	COM	464287655	1,091	9,684	SH		SOLE		3,679	0	6,005
ISHARES RUSSELL 3000 INDEX	COM	464287689	47,742	396,827	SH		SOLE		396,827	0	0
ISHARES RUSSELL M/C ETF	COM	464287499	1,003	6,260	SH		SOLE		2,782	0	3,478
ISHARES S&P 500 GROWTH ETF	COM	464287309	231	1,999	SH		SOLE		949	0	1,050
ISHARES S&P MIDCAP 400 GWTH	COM	464287606	483	3,000	SH		SOLE		3,000	0	0
JOHNSON & JOHNSON	COM	478160104	38,738	377,122	SH		SOLE		363,764	0	13,358
JP MORGAN CHASE & CO	COM	46625h100	2,760	41,795	SH		SOLE		39,199	0	2,596
KEYCORP	COM	493267108	173	13,095	SH		SOLE		13,095	0	0
KIMBERLY CLARK CORP	COM	494368103	4,128	32,424	SH		SOLE		32,024	0	400
KINDER MORGAN INC	COM	49456b101	246	16,509	SH		SOLE		16,433	0	76
KRAFT HEINZ CO	COM	500754106	354	4,865	SH		SOLE		4,819	0	46
LOCKHEED MARTIN CORP	COM	539830109	501	2,306	SH		SOLE		2,306	0	0
LOWE'S COMPANIES INC	COM	548661107	1,844	24,252	SH		SOLE		23,252	0	1,000
MAGELLAN MIDSTREAM PARTNERS LP	COM	559080106	596	8,773	SH		SOLE		7,773	0	1,000
MCCORMICK & CO INC	COM	579780206	21,255	248,421	SH		SOLE		244,366	0	4,055
MCDONALDS CORP	COM	580135101	4,427	37,473	SH		SOLE		33,551	0	3,922
MCKESSON CORP	COM	58155Q103	315	1,595	SH		SOLE		1,445	0	150
MEDTRONIC PLC	COM	g5960l103	31,087	404,145	SH		SOLE		399,493	0	4,652
MERCK & CO INC	COM	58933Y105	1,177	22,288	SH		SOLE		22,048	0	240
METTLER-TOLEDO INTERNATIONAL I	COM	592688105	35,916	105,907	SH		SOLE		104,247	0	1,660
MICROCHIP TECHNOLOGY INC	COM	595017104	26,344	566,048	SH		SOLE		554,543	0	11,505
MICROSOFT CORP	COM	594918104	9,314	167,881	SH		SOLE		164,641	0	3,240
MONDELEZ INTL INC-A	COM	609207105	544	12,134	SH		SOLE		11,996	0	138
MORGAN STANLEY	COM	617446448	207	6,500	SH		SOLE		6,500	0	0
NATIONAL-OILWELL VARCO INC	COM	637071101	365	10,898	SH		SOLE		10,898	0	0
NATIONAL PENN BANCSHARES INC	COM	637138108	185	15,000	SH		SOLE		15,000	0	0
NEXTERA ENERGY INC	COM	65339F101	215	2,068	SH		SOLE		1,990	0	78
NIKE INC	COM	654106103	28,482	455,713	SH		SOLE		444,907	0	10,806
NORFOLK SOUTHERN CORP	COM	655844108	1,194	14,112	SH		SOLE		13,672	0	440
NORTHERN TRUST CORP	COM	665859104	14,285	198,150	SH		SOLE		194,595	0	3,555
NOVARTIS AG ADR	COM	66987V109	361	4,199	SH		SOLE		4,199	0	0
NOVO-NORDISK A/S ADR	COM	670100205	2,576	44,352	SH		SOLE		44,352	0	0
OCCIDENTAL PETROLEUM CORP	COM	674599105	291	4,300	SH		SOLE		4,300	0	0
OMNICOM GROUP INC	COM	681919106	6,721	88,829	SH		SOLE		87,454	0	1,375
ORACLE CORP	COM	68389X105	384	10,525	SH		SOLE		10,225	0	300
PATTERSON COMPANIES INC	COM	703395103	482	10,655	SH		SOLE		10,455	0	200
PAYCHEX INC	COM	704326107	238	4,500	SH		SOLE		4,500	0	0
PAYPAL HOLDINGS INC	COM	70450Y103	574	15,863	SH		SOLE		15,863	0	0
PEPSICO INC	COM	713448108	42,882	429,162	SH		SOLE		422,820	0	6,342
PERRIGO CO PLC	COM	g97822103	31,601	218,392	SH		SOLE		214,925	0	3,467
PFIZER INC	COM	717081103	1,937	59,992	SH		SOLE		58,894	0	1,098
PHILIP MORRIS INTL INC	COM	718172109	809	9,208	SH		SOLE		9,008	0	200
PHILLIPS 66	COM	718546104	27,551	336,804	SH		SOLE		332,133	0	4,671
PIEDMONT NATURAL GAS CO	COM	720186105	234	4,100	SH		SOLE		4,100	0	0
PLUM CREEK TIMBER CO INC	COM	729251108	10,823	226,801	SH		SOLE		223,036	0	3,765
PNC FINANCIAL SERVICES GROUP	COM	693475105	287	3,013	SH		SOLE		3,013	0	0
POLARIS INDS INC	COM	731068102	467	5,430	SH		SOLE		5,430	0	0
PRAXAIR INC	COM	74005p104	16,722	163,296	SH		SOLE		159,347	0	3,949
PRECISION CASTPARTS CORP	COM	740189105	7,346	31,663	SH		SOLE		31,213	0	450
PRICELINE GROUP INC	COM	741503403	12,225	9,589	SH		SOLE		9,416	0	173
PROCTER & GAMBLE CO	COM	742718109	12,044	151,671	SH		SOLE		136,380	0	15,291
PRUDENTIAL FINANCIAL INC	COM	744320102	493	6,050	SH		SOLE		6,010	0	40
PUBLIC STORAGE	COM	74460D109	226	914	SH		SOLE		914	0	0
QUALCOMM INC	COM	747525103	17,520	350,504	SH		SOLE		342,281	0	8,223
REALTY INCOME CORP	COM	756109104	369	7,150	SH		SOLE		7,150	0	0
RED HAT INC	COM	756577102	23,094	278,878	SH		SOLE		274,238	0	4,640
ROPER TECHNOLOGIES INC	COM	776696106	33,327	175,600	SH		SOLE		172,080	0	3,520
ROYAL DUTCH SHELL ADR-A	COM	780259206	806	17,605	SH		SOLE		17,125	0	480
SANDISK CORP	COM	80004c101	996	13,113	SH		SOLE		13,113	0	0
SCHLUMBERGER LTD	COM	806857108	10,441	149,694	SH		SOLE		148,169	0	1,525
SHERWIN WILLIAMS CO	COM	824348106	4,552	17,533	SH		SOLE		17,288	0	245
SIRIUS XM HOLDINGS INC	COM	82968B103	47	11,562	SH		SOLE		11,500	0	62
SMUCKER J M CO	COM	832696405	986	7,996	SH		SOLE		7,996	0	0
SPDR S&P 500 ETF TRUST	COM	78462F103	5,647	27,697	SH		SOLE		9,709	0	17,988
SPDR S&P M/C 400 ETF	COM	78467Y107	1,962	7,723	SH		SOLE		3,284	0	4,439
STARBUCKS CORP	COM	855244109	28,827	480,218	SH		SOLE		473,443	0	6,775
STERICYCLE INC	COM	858912108	33,280	275,950	SH		SOLE		272,160	0	3,790
STRYKER CORP	COM	863667101	23,191	249,525	SH		SOLE		245,915	0	3,610
T ROWE PRICE GROUP INC	COM	74144T108	21,090	295,010	SH		SOLE		290,670	0	4,340
THERMO FISHER SCIENTIFIC INC	COM	883556102	432	3,047	SH		SOLE		3,047	0	0
TJX COS INC	COM	872540109	26,507	373,812	SH		SOLE		367,797	0	6,015
TOLL BROTHERS INC	COM	889478103	5,440	163,370	SH		SOLE		161,770	0	1,600
TORCHMARK CORP	COM	891027104	5,835	102,090	SH		SOLE		100,715	0	1,375
TORONTO-DOMINION BANK	COM	891160509	679	17,336	SH		SOLE		17,336	0	0
TOTAL SA ADR	COM	89151e109	527	11,730	SH		SOLE		10,080	0	1,650
TRANSCANADA CORP	COM	89353D107	1,515	46,500	SH		SOLE		46,500	0	0
TRAVELERS COMPANIES INC	COM	89417E109	541	4,795	SH		SOLE		4,795	0	0
UNILEVER NV-NY SHARES	COM	904784709	257	5,934	SH		SOLE		5,934	0	0
UNILEVER PLC ADR	COM	904767704	25,493	591,217	SH		SOLE		580,367	0	10,850
UNION PACIFIC CORP	COM	907818108	17,500	223,787	SH		SOLE		218,528	0	5,259
UNITED TECHNOLOGIES CORP	COM	913017109	24,602	256,081	SH		SOLE		250,127	0	5,954
UNITEDHEALTH GROUP INC	COM	91324P102	272	2,312	SH		SOLE		2,112	0	200
UNIVERSAL HEALTH SERVICES-B	COM	913903100	262	2,192	SH		SOLE		2,192	0	0
UNUM GROUP	COM	91529Y106	2,065	62,033	SH		SOLE		62,033	0	0
US BANCORP	COM	902973304	27,418	642,554	SH		SOLE		629,654	0	12,900
V F CORP	COM	918204108	14,383	231,048	SH		SOLE		229,513	0	1,535
VANGUARD S/C ETF	COM	922908751	890	8,045	SH		SOLE		1,582	0	6,463
VANGUARD US TOTAL STOCK MKT	COM	922908769	2,226	21,339	SH		SOLE		7,642	0	13,697
VERIZON COMMUNICATIONS INC	COM	92343v104	1,669	36,100	SH		SOLE		34,131	0	1,969
VISA INC-A	COM	92826C839	19,003	245,045	SH		SOLE		242,946	0	2,099
VULCAN MATERIALS CO	COM	929160109	1,563	16,460	SH		SOLE		16,460	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	234	2,750	SH		SOLE		2,750	0	0
WALT DISNEY CO	COM	254687106	30,580	291,019	SH		SOLE		285,714	0	5,305
WASTE CONNECTIONS INC	COM	941053100	46,642	828,169	SH		SOLE		813,799	0	14,370
WELLS FARGO CO	COM	949746101	22,706	417,698	SH		SOLE		405,928	0	11,770
WISDOMTREE HIGH DIVIDEND FUND	COM	97717W208	319	5,400	SH		SOLE		5,400	0	0
XYLEM INC	COM	98419M100	522	14,305	SH		SOLE		13,290	0	1,015
ZIMMER BIOMET HOLDINGS INC	COM	98956P102	280	2,730	SH		SOLE		2,475	0	255
ISHARES MSCI EAFE ETF	INTL	464287465	43,766	745,339	SH		SOLE		741,206	0	4,133
VANGUARD FTSE ALL WORLD EX-US	INTL	922042775	5,048	116,288	SH		SOLE		112,675	0	3,613
VANGUARD FTSE DEV MKTS ETF	INTL	921943858	5,338	145,360	SH		SOLE		136,804	0	8,556
VANGUARD FTSE EMERGING MKTS ET	INTL	922042858	9,345	285,704	SH		SOLE		260,023	0	25,681
WELLS FARGO & CO 7.50% PFD	PERP PFD CNV A	949746804	232	200	SH		SOLE		200	0	0
ISHARES TIPS BOND ETF	BOND FUND	464287176	390	3,557	SH		SOLE		1,557	0	2,000
PUTNAM MASTER INTM INCOME TRUS	BOND FUND	746909100	94	20,657	SH		SOLE		20,657	0	0
VANGUARD TOTAL BOND MKT ETF	BOND FUND	921937835	301	3,723	SH		SOLE		0	0	3,723