Osterweis Capital 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

OMB APPROVAL

OMB Number:		3235-0006
Expires:	Oct 31, 2018
Estimated average burden
hours per response:		23.8

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
AARONS INC	COM PAR $0.50	002535300	4,357	95,965	SH		OTR	1	95,965	0	0
ADOBE INC	COM	00724F101	210	482	SH		OTR	1	482	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	9,288	176,540	SH		OTR		176,540	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	19,231	365,533	SH		OTR	1	365,533	0	0
AIR PRODS & CHEMS INC	COM	009158106	14,836	61,444	SH		OTR	1	61,444	0	0
AIR PRODS & CHEMS INC	COM	009158106	7,949	32,920	SH		OTR		32,920	0	0
ALLOGENE THERAPEUTICS INC	COM	019770106	235	5,486	SH		SOLE		5,486	0	0
ALPHABET INC	CAP STK CL C	02079K107	20,928	14,805	SH		OTR		14,805	0	0
ALPHABET INC	CAP STK CL A	02079K305	2,954	2,083	SH		OTR	1	2,083	0	0
ALPHABET INC	CAP STK CL A	02079K305	740	522	SH		OTR		522	0	0
ALPHABET INC	CAP STK CL C	02079K107	39,199	27,730	SH		OTR	1	27,730	0	0
ALTAIR ENGR INC	NOTE 0.250% 6/0	021369AA1	8,951	8,500,000	PRN		OTR	1	8,500,000	0	0
ALTERYX INC	COM CL A	02156B103	5,836	35,525	SH		OTR	1	35,525	0	0
AMAZON COM INC	COM	023135106	207	75	SH		OTR	1	75	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	5,435	42,242	SH		OTR		42,242	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	15,218	118,281	SH		OTR	1	118,281	0	0
APPLE INC	COM	037833100	2,873	7,876	SH		OTR	1	7,876	0	0
APPLIED MATLS INC	COM	038222105	20,753	343,301	SH		OTR	1	343,301	0	0
APPLIED MATLS INC	COM	038222105	10,601	175,375	SH		OTR		175,375	0	0
AVALARA INC	COM	05338G106	6,903	51,870	SH		OTR	1	51,870	0	0
AXON ENTERPRISE INC	COM	05464C101	2,830	28,835	SH		OTR	1	28,835	0	0
AXONICS MODULATION TECHNOLOG	COM	05465P101	4,482	127,655	SH		OTR	1	127,655	0	0
BANDWIDTH INC	COM CL A	05988J103	5,670	44,645	SH		OTR	1	44,645	0	0
BECTON DICKINSON & CO	COM	075887109	13,951	58,306	SH		OTR	1	58,306	0	0
BECTON DICKINSON & CO	COM	075887109	6,818	28,495	SH		OTR		28,495	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	1,604	6	SH		OTR		6	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	770	4,315	SH		OTR	1	4,315	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	267	1	SH		OTR	1	1	0	0
BEYOND MEAT INC	COM	08862E109	2,217	16,545	SH		OTR	1	16,545	0	0
BIO-TECHNE CORP	COM	09073M104	5,590	21,170	SH		OTR	1	21,170	0	0
BRIGHT HORIZONS FAM SOL IN D	COM	109194100	4,306	36,740	SH		OTR		36,740	0	0
BRIGHT HORIZONS FAM SOL IN D	COM	109194100	9,310	79,440	SH		OTR	1	79,440	0	0
BROOKS AUTOMATION INC NEW	COM	114340102	4,917	111,155	SH		OTR	1	111,155	0	0
CAVCO INDS INC DEL	COM	149568107	2,174	11,271	SH		OTR	1	11,271	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	13,420	26,312	SH		OTR		26,312	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	22,047	43,227	SH		OTR	1	43,227	0	0
CHEGG INC	COM	163092109	6,758	100,470	SH		OTR	1	100,470	0	0
CHEVRON CORP NEW	COM	166764100	275	3,087	SH		OTR	1	3,087	0	0
CONCHO RES INC	COM	20605P101	1,491	28,955	SH		OTR		28,955	0	0
CONCHO RES INC	COM	20605P101	3,086	59,915	SH		OTR	1	59,915	0	0
CONMED CORP	NOTE 2.625% 2/0	207410AF8	9,391	8,930,000	PRN		OTR	1	8,930,000	0	0
CORESITE RLTY CORP	COM	21870Q105	8,285	68,435	SH		OTR		68,435	0	0
CORESITE RLTY CORP	COM	21870Q105	15,806	130,567	SH		OTR	1	130,567	0	0
CREE INC	NOTE 0.875% 9/0	225447AB7	18,569	15,759,000	PRN		OTR	1	15,759,000	0	0
CROWDSTRIKE HLDGS INC	CL A	22788C105	6,017	60,000	SH		OTR	1	60,000	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	18,040	107,798	SH		OTR	1	107,798	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	9,829	58,731	SH		OTR		58,731	0	0
DANAHER CORPORATION	COM	235851102	24,639	139,336	SH		OTR	1	139,336	0	0
DANAHER CORPORATION	COM	235851102	12,928	73,108	SH		OTR		73,108	0	0
DOLLAR GEN CORP NEW	COM	256677105	20,828	109,330	SH		OTR	1	109,330	0	0
DOLLAR GEN CORP NEW	COM	256677105	10,324	54,190	SH		OTR		54,190	0	0
EHEALTH INC	COM	28238P109	4,040	41,125	SH		OTR	1	41,125	0	0
ENOVA INTL INC	COM	29357K103	1,494	100,480	SH		OTR	1	100,480	0	0
ENPHASE ENERGY INC	COM	29355A107	6,026	126,675	SH		OTR	1	126,675	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	732	40,274	SH		OTR		40,274	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	87	4,777	SH		OTR	1	4,777	0	0
ETSY INC	COM	29786A106	8,298	78,115	SH		OTR	1	78,115	0	0
EURONET WORLDWIDE INC	NOTE 0.750% 3/1	298736AL3	8,795	9,050,000	PRN		OTR	1	9,050,000	0	0
EVERBRIDGE INC	COM	29978A104	949	6,860	SH		OTR	1	6,860	0	0
EVERQUOTE INC	COM CL A	30041R108	4,541	78,070	SH		OTR	1	78,070	0	0
EXXON MOBIL CORP	COM	30231G102	496	11,100	SH		OTR	1	11,100	0	0
EXXON MOBIL CORP	COM	30231G102	236	5,273	SH		OTR		5,273	0	0
EZCORP INC	NOTE 2.875% 7/0	302301AF3	16,041	16,835,000	PRN		OTR	1	16,835,000	0	0
EZCORP INC	NOTE 2.375% 5/0	302301AE6	7,832	10,000,000	PRN		OTR	1	10,000,000	0	0
FIREEYE INC	COM	31816Q101	9,990	820,566	SH		OTR	1	820,566	0	0
FIREEYE INC	COM	31816Q101	5,772	474,095	SH		OTR		474,095	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	12,408	117,072	SH		OTR	1	117,072	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	7,154	67,495	SH		OTR		67,495	0	0
FIRSTSERVICE CORP NEW	COM	33767E202	5,276	52,370	SH		OTR	1	52,370	0	0
FIVE9 INC	COM	338307101	9,308	84,110	SH		OTR	1	84,110	0	0
FLOOR & DECOR HLDGS INC	CL A	339750101	3,618	62,765	SH		OTR	1	62,765	0	0
GFL ENVIRONMENTAL INC	UNIT 99/99/9999T	36168Q120	19,492	400,000	PRN		OTR	1	400,000	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	180	6,340	SH		OTR		6,340	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	876	30,795	SH		OTR	1	30,795	0	0
HOLOGIC INC	COM	436440101	6,963	122,155	SH		OTR		122,155	0	0
HOLOGIC INC	COM	436440101	13,893	243,744	SH		OTR	1	243,744	0	0
HOME DEPOT INC	COM	437076102	8,020	32,015	SH		OTR		32,015	0	0
HOME DEPOT INC	COM	437076102	15,369	61,349	SH		OTR	1	61,349	0	0
HORIZON GLOBAL CORP	NOTE 2.750% 7/0	44052WAA2	23,497	34,767,000	PRN		OTR	1	34,767,000	0	0
INPHI CORP	COM	45772F107	9,851	83,835	SH		OTR	1	83,835	0	0
INSULET CORP	COM	45784P101	4,898	25,215	SH		OTR	1	25,215	0	0
INVESCO QQQ TR	UNIT SER 1	46090E103	231	932	PRN		OTR	1	932	0	0
IOVANCE BIOTHERAPEUTICS INC	COM	462260100	3,689	134,391	SH		OTR	1	134,391	0	0
ISHARES TR	CORE 1 5 YR USD	46432F859	322	6,260	PRN		OTR	1	6,260	0	0
JAZZ INVESTMENTS I LTD	NOTE 1.500% 8/1	472145AD3	5,508	6,000,000	PRN		OTR	1	6,000,000	0	0
JOHNSON & JOHNSON	COM	478160104	17,254	122,692	SH		OTR	1	122,692	0	0
JOHNSON & JOHNSON	COM	478160104	7,959	56,593	SH		OTR		56,593	0	0
JPMORGAN CHASE & CO	COM	46625H100	12,176	129,453	SH		OTR	1	129,453	0	0
JPMORGAN CHASE & CO	COM	46625H100	5,368	57,075	SH		OTR		57,075	0	0
KODIAK SCIENCES INC	COM	50015M109	7,185	132,768	SH		OTR		132,768	0	0
KRATOS DEFENSE & SEC SOLUTIO	COM NEW	50077B207	4,256	272,270	SH		OTR	1	272,270	0	0
L3HARRIS TECHNOLOGIES INC	COM	502431109	14,157	83,440	SH		OTR	1	83,440	0	0
L3HARRIS TECHNOLOGIES INC	COM	502431109	6,898	40,655	SH		OTR		40,655	0	0
LILLY ELI & CO	COM	532457108	2,701	16,451	SH		OTR		16,451	0	0
LILLY ELI & CO	COM	532457108	1,219	7,424	SH		OTR	1	7,424	0	0
LIVONGO HEALTH INC	COM	539183103	6,091	81,008	SH		OTR	1	81,008	0	0
MCGRATH RENTCORP	COM	580589109	213	3,939	SH		OTR	1	3,939	0	0
MERCK & CO. INC	COM	58933Y105	865	11,186	SH		OTR	1	11,186	0	0
MERCK & CO. INC	COM	58933Y105	56	723	SH		OTR		723	0	0
META FINL GROUP INC	COM	59100U108	5,075	279,305	SH		OTR	1	279,305	0	0
MICRON TECHNOLOGY INC	COM	595112103	16,109	312,677	SH		OTR	1	312,677	0	0
MICRON TECHNOLOGY INC	COM	595112103	8,154	158,275	SH		OTR		158,275	0	0
MICROSOFT CORP	COM	594918104	43,934	215,883	SH		OTR	1	215,883	0	0
MICROSOFT CORP	COM	594918104	20,266	99,581	SH		OTR		99,581	0	0
MKS INSTRS INC	COM	55306N104	1,926	17,005	SH		OTR	1	17,005	0	0
MONOLITHIC PWR SYS INC	COM	609839105	15,381	64,899	SH		OTR	1	64,899	0	0
MONOLITHIC PWR SYS INC	COM	609839105	8,198	34,590	SH		OTR		34,590	0	0
MYOKARDIA INC	COM	62857M105	2,140	22,150	SH		OTR	1	22,150	0	0
NEKTAR THERAPEUTICS	COM	640268108	3,832	165,460	SH		OTR		165,460	0	0
NEKTAR THERAPEUTICS	COM	640268108	7,599	328,126	SH		OTR	1	328,126	0	0
NEWPARK RES INC	NOTE 4.000%12/0	651718AE8	27,283	30,421,000	PRN		OTR	1	30,421,000	0	0
NEXTERA ENERGY INC	COM	65339F101	18,646	77,638	SH		OTR	1	77,638	0	0
NEXTERA ENERGY INC	COM	65339F101	9,361	38,976	SH		OTR		38,976	0	0
NOVARTIS AG	SPONSORED ADR	66987V109	8,092	92,644	SH		OTR		92,644	0	0
NOVARTIS AG	SPONSORED ADR	66987V109	15,787	180,755	SH		OTR	1	180,755	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	8,221	48,475	SH		OTR		48,475	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	16,410	96,762	SH		OTR	1	96,762	0	0
OSI SYSTEMS INC	NOTE 1.250% 9/0	671044AD7	18,785	19,530,000	PRN		OTR	1	19,530,000	0	0
PATRICK INDS INC	DBCV 1.000% 2/0	703343AB9	5,438	5,400,000	PRN		OTR	1	5,400,000	0	0
PIMCO ETF TR	0-5 HIGH YIELD	72201R783	567	6,215	PRN		OTR	1	6,215	0	0
PLANET FITNESS INC	CL A	72703H101	1,658	27,375	SH		OTR	1	27,375	0	0
PROCTER AND GAMBLE CO	COM	742718109	2,040	17,062	SH		OTR	1	17,062	0	0
PROCTER AND GAMBLE CO	COM	742718109	912	7,625	SH		OTR		7,625	0	0
PROGRESSIVE CORP OHIO	COM	743315103	10,027	125,165	SH		OTR		125,165	0	0
PROGRESSIVE CORP OHIO	COM	743315103	19,548	244,016	SH		OTR	1	244,016	0	0
PROGYNY INC	COM	74340E103	4,329	167,745	SH		OTR	1	167,745	0	0
PS BUSINESS PKS INC CALIF	COM	69360J107	7,369	55,660	SH		OTR		55,660	0	0
PS BUSINESS PKS INC CALIF	COM	69360J107	14,704	111,059	SH		OTR	1	111,059	0	0
RAMBUS INC DEL	NOTE 1.375% 2/0	750917AG1	5,231	5,000,000	PRN		OTR	1	5,000,000	0	0
RAYONIER INC	COM	754907103	226	9,131	SH		SOLE		9,131	0	0
REVANCE THERAPEUTICS INC	COM	761330109	5,592	229,010	SH		OTR	1	229,010	0	0
ROSS STORES INC	COM	778296103	7,076	83,011	SH		OTR		83,011	0	0
ROSS STORES INC	COM	778296103	12,843	150,671	SH		OTR	1	150,671	0	0
SOUTHWEST AIRLS CO	NOTE 1.250% 5/0	844741BG2	10,854	9,000,000	PRN		OTR	1	9,000,000	0	0
SYNOPSYS INC	COM	871607107	8,201	42,055	SH		OTR		42,055	0	0
SYNOPSYS INC	COM	871607107	14,718	75,475	SH		OTR	1	75,475	0	0
SYSCO CORP	COM	871829107	13,432	245,738	SH		OTR	1	245,738	0	0
SYSCO CORP	COM	871829107	7,061	129,180	SH		OTR		129,180	0	0
TABULA RASA HEALTHCARE INC	COM	873379101	3,051	55,755	SH		OTR	1	55,755	0	0
TELADOC HEALTH INC	COM	87918A105	2,418	12,670	SH		OTR	1	12,670	0	0
TELEFLEX INCORPORATED	COM	879369106	8,166	22,434	SH		OTR		22,434	0	0
TELEFLEX INCORPORATED	COM	879369106	16,585	45,567	SH		OTR	1	45,567	0	0
TURNING POINT THERAPEUTICS I	COM	90041T108	3,640	56,350	SH		OTR	1	56,350	0	0
TUTOR PERINI CORP	NOTE 2.875% 6/1	901109AD0	19,842	20,840,000	PRN		OTR	1	20,840,000	0	0
TWITTER INC	NOTE 1.000% 9/1	90184LAD4	20,628	21,027,000	PRN		OTR	1	21,027,000	0	0
UNION PAC CORP	COM	907818108	14,822	87,669	SH		OTR	1	87,669	0	0
UNION PAC CORP	COM	907818108	6,707	39,670	SH		OTR		39,670	0	0
UNISYS CORP	NOTE 5.500% 3/0	909214BS6	6,549	5,126,000	PRN		OTR	1	5,126,000	0	0
VISA INC	COM CL A	92826C839	25,222	130,571	SH		OTR	1	130,571	0	0
VISA INC	COM CL A	92826C839	11,777	60,965	SH		OTR		60,965	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	383	9,057	SH		OTR	1	9,057	0	0
WASTE CONNECTIONS INC	COM	94106B101	20,884	222,663	SH		OTR	1	222,663	0	0
WASTE CONNECTIONS INC	COM	94106B101	10,565	112,640	SH		OTR		112,640	0	0
WELLS FARGO CO NEW	COM	949746101	250	9,755	SH		OTR	1	9,755	0	0
WINGSTOP INC	COM	974155103	6,113	43,990	SH		OTR	1	43,990	0	0
ZENDESK INC	COM	98936J101	6,332	71,520	SH		OTR		71,520	0	0
ZENDESK INC	COM	98936J101	12,846	145,105	SH		OTR	1	145,105	0	0