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
ABIOMED INC	COM	003654100	2,129	11,970	SH		OTR	1	11,970	0	0
ADOBE INC	COM	00724F101	206	745	SH		OTR	1	745	0	0
AIR LEASE CORP	CL A	00912X302	9,225	220,580	SH		OTR		220,580	0	0
AIR LEASE CORP	CL A	00912X302	16,128	385,654	SH		OTR	1	385,654	0	0
ALPHABET INC	CAP STK CL A	02079K305	688	563	SH		OTR		563	0	0
ALPHABET INC	CAP STK CL A	02079K305	3,086	2,527	SH		OTR	1	2,527	0	0
ALPHABET INC	CAP STK CL C	02079K107	20,018	16,422	SH		OTR		16,422	0	0
ALPHABET INC	CAP STK CL C	02079K107	37,791	31,002	SH		OTR	1	31,002	0	0
ALTAIR ENGR INC	NOTE 0.250% 6/0	021369AA1	13,153	13,000,000	PRN		OTR	1	13,000,000	0	0
ALTERYX INC	COM CL A	02156B103	5,819	54,165	SH		OTR	1	54,165	0	0
AMERICAN EXPRESS CO	COM	025816109	212	1,792	SH		OTR	1	1,792	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	7,480	60,213	SH		OTR		60,213	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	20,513	165,121	SH		OTR	1	165,121	0	0
AMICUS THERAPEUTICS INC	COM	03152W109	3,729	465,015	SH		OTR	1	465,015	0	0
APPLE INC	COM	037833100	1,765	7,881	SH		OTR	1	7,881	0	0
APPLIED MATLS INC	COM	038222105	8,220	164,730	SH		OTR		164,730	0	0
APPLIED MATLS INC	COM	038222105	13,679	274,121	SH		OTR	1	274,121	0	0
ATRICURE INC	COM	04963C209	4,064	162,959	SH		OTR	1	162,959	0	0
AVALARA INC	COM	05338G106	5,654	84,025	SH		OTR	1	84,025	0	0
BECTON DICKINSON & CO	COM	075887109	13,769	54,430	SH		OTR	1	54,315	0	0
BECTON DICKINSON & CO	COM	075887109	6,789	26,840	SH		OTR		26,840	0	0
BERKLEY W R CORP	COM	084423102	279	3,863	SH		OTR	1	3,863	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	1,871	6	SH		OTR		4	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	312	1	SH		OTR	1	0	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	5,851	28,125	SH		OTR		27,750	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	14,027	67,433	SH		OTR	1	65,738	0	0
BLUE BIRD CORP	COM	095306106	24,235	1,273,179	SH		OTR	1	1,273,179	0	0
BOEING CO	COM	097023105	7,678	20,181	SH		OTR		20,181	0	0
BOEING CO	COM	097023105	16,452	43,240	SH		OTR	1	43,240	0	0
BRISTOL MYERS SQUIBB CO	COM	110122108	330	6,514	SH		OTR	1	6,514	0	0
BROADRIDGE FINL SOLUTIONS IN	COM	11133T103	5,978	48,045	SH		OTR		48,045	0	0
BROADRIDGE FINL SOLUTIONS IN	COM	11133T103	10,269	82,528	SH		OTR	1	82,528	0	0
BROOKFIELD ASSET MGMT INC	CL A LTD VT SH	112585104	19,686	370,799	SH		OTR		370,799	0	0
BROOKFIELD ASSET MGMT INC	CL A LTD VT SH	112585104	37,602	708,277	SH		OTR	1	706,712	0	0
CAREDX INC	COM	14167L103	2,582	114,190	SH		OTR	1	114,190	0	0
CEMEX SAB DE CV	NOTE 3.720% 3/1	151290BR3	21,745	21,704,000	PRN		OTR	1	21,704,000	0	0
CEMEX SAB DE CV	NOTE 3.720% 3/1	151290BT9	68,024	67,939,000	PRN		OTR	1	67,939,000	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	12,737	30,907	SH		OTR		30,907	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	20,277	49,201	SH		OTR	1	49,201	0	0
CHEVRON CORP NEW	COM	166764100	55	465	SH		OTR		465	0	0
CHEVRON CORP NEW	COM	166764100	455	3,839	SH		OTR	1	1,377	0	0
CREE INC	NOTE 0.875% 9/0	225447AB7	22,836	20,759,000	PRN		OTR	1	20,759,000	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	8,654	62,256	SH		OTR		62,256	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	15,061	108,347	SH		OTR	1	108,347	0	0
DANAHER CORPORATION	COM	235851102	12,880	89,178	SH		OTR		89,178	0	0
DANAHER CORPORATION	COM	235851102	24,043	166,468	SH		OTR	1	166,468	0	0
DIGITAL RLTY TR INC	COM	253868103	9,832	75,740	SH		OTR		75,740	0	0
DIGITAL RLTY TR INC	COM	253868103	19,835	152,802	SH		OTR	1	152,802	0	0
DISNEY WALT CO	COM DISNEY	254687106	233	1,787	SH		OTR	1	1,675	0	0
DOLLAR GEN CORP NEW	COM	256677105	9,158	57,620	SH		OTR		57,620	0	0
DOLLAR GEN CORP NEW	COM	256677105	17,993	113,206	SH		OTR	1	113,206	0	0
ECHO GLOBAL LOGISTICS INC	NOTE 2.500% 5/0	27875TAA9	46,115	46,115,000	PRN		OTR	1	46,115,000	0	0
ECOLAB INC	COM	278865100	224	1,133	SH		OTR	1	1,133	0	0
EHEALTH INC	COM	28238P109	5,001	74,880	SH		OTR	1	74,880	0	0
ENOVA INTL INC	COM	29357K103	6,064	292,260	SH		OTR	1	292,260	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	19,617	686,401	SH		OTR	1	685,376	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	12,680	443,663	SH		OTR		443,663	0	0
ETSY INC	COM	29786A106	4,610	81,585	SH		OTR	1	81,585	0	0
EXXON MOBIL CORP	COM	30231G102	457	6,471	SH		OTR		6,471	0	0
EXXON MOBIL CORP	COM	30231G102	900	12,747	SH		OTR	1	9,125	0	0
EZCORP INC	NOTE 2.375% 5/0	302301AE6	7,976	10,000,000	PRN		OTR	1	10,000,000	0	0
EZCORP INC	NOTE 2.875% 7/0	302301AF3	15,941	16,835,000	PRN		OTR	1	16,835,000	0	0
FEDEX CORP	COM	31428X106	6,861	47,135	SH		OTR		47,135	0	0
FEDEX CORP	COM	31428X106	11,962	82,173	SH		OTR	1	81,983	0	0
FIREEYE INC	COM	31816Q101	12,014	900,620	SH		OTR	1	900,620	0	0
FIREEYE INC	COM	31816Q101	6,848	513,330	SH		OTR		513,330	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	1,628	16,840	SH		OTR		16,840	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	92	952	SH		OTR	1	952	0	0
FIRSTSERVICE CORP NEW	COM	33767E202	5,407	52,715	SH		OTR	1	52,715	0	0
FIVE9 INC	COM	338307101	6,100	113,505	SH		OTR	1	113,505	0	0
FLOOR & DECOR HLDGS INC	CL A	339750101	2,665	52,105	SH		OTR	1	52,105	0	0
FUNKO INC	COM CL A	361008105	2,980	144,855	SH		OTR	1	144,855	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	1,837	63,025	SH		OTR		63,025	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	6,174	211,785	SH		OTR	1	211,785	0	0
HOLOGIC INC	COM	436440101	6,747	133,640	SH		OTR		133,640	0	0
HOLOGIC INC	COM	436440101	13,901	275,325	SH		OTR	1	275,325	0	0
HOME DEPOT INC	COM	437076102	267	1,150	SH		OTR	1	1,150	0	0
HORIZON GLOBAL CORP	NOTE 2.750% 7/0	44052WAA2	27,655	34,517,000	PRN		OTR	1	34,517,000	0	0
INPHI CORP	COM	45772F107	4,044	66,235	SH		OTR	1	66,235	0	0
INSULET CORP	COM	45784P101	4,681	28,380	SH		OTR	1	28,380	0	0
INVITAE CORP	COM	46185L103	2,600	134,925	SH		OTR	1	134,925	0	0
IOVANCE BIOTHERAPEUTICS INC	COM	462260100	2,737	150,410	SH		OTR	1	150,410	0	0
ISHARES TR	CORE 1 5 YR USD	46432F859	316	6,260	PRN		OTR	1	6,260	0	0
ISHARES TR	RUS 2000 GRW ETF	464287648	1,599	8,295	PRN		OTR	1	8,295	0	0
JOHNSON & JOHNSON	COM	478160104	5,701	44,063	SH		OTR		44,063	0	0
JOHNSON & JOHNSON	COM	478160104	12,036	93,026	SH		OTR	1	89,426	0	0
KODIAK SCIENCES INC	COM	50015M109	3,055	212,470	SH		SOLE		212,470	0	0
KRATOS DEFENSE & SEC SOLUTIO	COM NEW	50077B207	4,086	219,740	SH		OTR	1	219,740	0	0
LILLY ELI & CO	COM	532457108	1,840	16,451	SH		OTR		16,451	0	0
LILLY ELI & CO	COM	532457108	836	7,479	SH		OTR	1	7,479	0	0
MAGELLAN MIDSTREAM PRTNRS LP	COM UNIT RP LP	559080106	4,663	70,361	SH		OTR		70,361	0	0
MAGELLAN MIDSTREAM PRTNRS LP	COM UNIT RP LP	559080106	13,536	204,264	SH		OTR	1	200,264	0	0
MCGRATH RENTCORP	COM	580589109	274	3,939	SH		OTR	1	3,939	0	0
MEDIFAST INC	COM	58470H101	2,621	25,290	SH		OTR	1	25,290	0	0
MERCK & CO INC	COM	58933Y105	66	783	SH		OTR		783	0	0
MERCK & CO INC	COM	58933Y105	964	11,451	SH		OTR	1	11,186	0	0
META FINL GROUP INC	COM	59100U108	5,709	175,075	SH		OTR	1	175,075	0	0
MICRON TECHNOLOGY INC	COM	595112103	5,179	120,865	SH		OTR		120,865	0	0
MICRON TECHNOLOGY INC	COM	595112103	10,363	241,837	SH		OTR	1	241,837	0	0
MICROSOFT CORP	COM	594918104	15,109	108,675	SH		OTR		108,675	0	0
MICROSOFT CORP	COM	594918104	31,736	228,269	SH		OTR	1	226,931	0	0
MONOLITHIC PWR SYS INC	COM	609839105	6,782	43,575	SH		OTR		43,575	0	0
MONOLITHIC PWR SYS INC	COM	609839105	11,491	73,833	SH		OTR	1	73,833	0	0
NEKTAR THERAPEUTICS	COM	640268108	2,299	126,235	SH		OTR		126,235	0	0
NEKTAR THERAPEUTICS	COM	640268108	4,520	248,120	SH		OTR	1	248,120	0	0
NEXTERA ENERGY INC	COM	65339F101	26,149	112,231	SH		OTR	1	112,231	0	0
NEXTERA ENERGY INC	COM	65339F101	13,554	58,173	SH		OTR		58,173	0	0
NOVARTIS A G	SPONSORED ADR	66987V109	8,908	102,514	SH		OTR		102,514	0	0
NOVARTIS A G	SPONSORED ADR	66987V109	17,466	200,991	SH		OTR	1	200,991	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	5,835	34,330	SH		OTR		34,330	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	11,441	67,311	SH		OTR	1	67,311	0	0
OSI SYSTEMS INC	NOTE 1.250% 9/0	671044AD7	22,752	20,250,000	PRN		OTR	1	20,250,000	0	0
PAYLOCITY HLDG CORP	COM	70438V106	5,039	51,635	SH		OTR	1	51,635	0	0
PIMCO ETF TR	0-5 HIGH YIELD	72201R783	620	6,215	PRN		OTR	1	6,215	0	0
PLANET FITNESS INC	CL A	72703H101	4,321	74,660	SH		OTR	1	74,660	0	0
PROCTER & GAMBLE CO	COM	742718109	1,012	8,135	SH		OTR		8,135	0	0
PROCTER & GAMBLE CO	COM	742718109	2,122	17,062	SH		OTR	1	16,612	0	0
QUINSTREET INC	COM	74874Q100	1,492	118,532	SH		OTR	1	118,532	0	0
RAMBUS INC DEL	NOTE 1.375% 2/0	750917AG1	4,979	5,000,000	PRN		OTR	1	5,000,000	0	0
RAPID7 INC	COM	753422104	5,772	127,165	SH		OTR	1	127,165	0	0
SERVICEMASTER GLOBAL HLDGS I	COM	81761R109	8,576	153,408	SH		OTR		153,408	0	0
SERVICEMASTER GLOBAL HLDGS I	COM	81761R109	15,150	271,023	SH		OTR	1	271,023	0	0
SHOCKWAVE MED INC	COM	82489T104	857	28,635	SH		OTR	1	28,635	0	0
SILICON LABORATORIES INC	COM	826919102	3,743	33,615	SH		OTR	1	33,615	0	0
SYNOPSYS INC	COM	871607107	10,906	79,461	SH		OTR	1	79,461	0	0
SYNOPSYS INC	COM	871607107	6,163	44,905	SH		OTR		44,905	0	0
TABULA RASA HEALTHCARE INC	COM	873379101	5,895	107,295	SH		OTR	1	107,295	0	0
TANDEM DIABETES CARE INC	COM NEW	875372203	1,809	30,675	SH		OTR	1	30,675	0	0
TELADOC HEALTH INC	COM	87918A105	5,267	77,780	SH		OTR	1	77,780	0	0
TELARIA INC	COM	879181105	1,742	252,095	SH		OTR	1	252,095	0	0
TELEFLEX INC	COM	879369106	6,834	20,116	SH		OTR		20,116	0	0
TELEFLEX INC	COM	879369106	12,737	37,490	SH		OTR	1	37,490	0	0
THE CHARLES SCHWAB CORPORATI	COM	808513105	6,672	159,505	SH		OTR		159,505	0	0
THE CHARLES SCHWAB CORPORATI	COM	808513105	13,318	318,373	SH		OTR	1	318,373	0	0
THE REALREAL INC	COM	88339P101	831	37,185	SH		OTR	1	37,185	0	0
TREX CO INC	COM	89531P105	6,200	68,180	SH		OTR	1	68,180	0	0
TUTOR PERINI CORP	NOTE 2.875% 6/1	901109AD0	19,889	20,840,000	PRN		OTR	1	20,840,000	0	0
UNILEVER N V	N Y SHS NEW	904784709	8,745	145,685	SH		OTR		145,685	0	0
UNILEVER N V	N Y SHS NEW	904784709	16,868	280,991	SH		OTR	1	280,991	0	0
UNION PACIFIC CORP	COM	907818108	824	5,083	SH		OTR	1	1,999	0	0
UNISYS CORP	NOTE 5.500% 3/0	909214BS6	13,275	11,916,000	PRN		OTR	1	11,916,000	0	0
UNITED TECHNOLOGIES CORP	COM	913017109	233	1,707	SH		OTR	1	1,075	0	0
US FOODS HLDG CORP	COM	912008109	4,913	119,540	SH		OTR		119,540	0	0
US FOODS HLDG CORP	COM	912008109	7,052	171,591	SH		OTR	1	171,591	0	0
VERICEL CORP	COM	92346J108	3,125	206,395	SH		OTR	1	206,395	0	0
VISA INC	COM CL A	92826C839	8,742	50,820	SH		OTR		50,820	0	0
VISA INC	COM CL A	92826C839	16,805	97,694	SH		OTR	1	96,894	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	516	9,330	SH		OTR	1	2,234	0	0
WASTE CONNECTIONS INC	COM	94106B101	11,037	119,970	SH		OTR		119,970	0	0
WASTE CONNECTIONS INC	COM	94106B101	21,233	230,790	SH		OTR	1	230,790	0	0
WELLS FARGO CO NEW	COM	949746101	554	10,976	SH		OTR	1	9,865	0	0
WORKIVA INC	COM CL A	98139A105	2,806	64,015	SH		OTR	1	64,015	0	0