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	1,664	9,755	SH		OTR	1	9,755	0	0
ADOBE INC	COM	00724F101	271	822	SH		OTR	1	822	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	9,529	207,785	SH		OTR		207,785	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	19,321	421,295	SH		OTR	1	421,295	0	0
AIR LEASE CORP	CL A	00912X302	9,208	193,765	SH		OTR		193,765	0	0
AIR LEASE CORP	CL A	00912X302	15,992	336,539	SH		OTR	1	336,539	0	0
ALPHABET INC	CAP STK CL A	02079K305	727	543	SH		OTR		543	0	0
ALPHABET INC	CAP STK CL A	02079K305	3,417	2,551	SH		OTR	1	2,551	0	0
ALPHABET INC	CAP STK CL C	02079K107	41,061	30,711	SH		OTR	1	30,711	0	0
ALPHABET INC	CAP STK CL C	02079K107	21,890	16,372	SH		OTR		16,372	0	0
ALTAIR ENGR INC	NOTE 0.250% 6/0	021369AA1	13,358	13,000,000	PRN		OTR	1	13,000,000	0	0
ALTERYX INC	COM CL A	02156B103	4,940	49,370	SH		OTR	1	49,370	0	0
AMERICAN EXPRESS CO	COM	025816109	223	1,792	SH		OTR	1	1,792	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	7,341	59,757	SH		OTR		59,757	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	20,261	164,926	SH		OTR	1	164,926	0	0
AMICUS THERAPEUTICS INC	COM	03152W109	5,175	531,282	SH		OTR	1	531,282	0	0
ANAPLAN INC	COM	03272L108	3,896	74,345	SH		OTR	1	74,345	0	0
APPLE INC	COM	037833100	2,319	7,897	SH		OTR	1	7,897	0	0
APPLIED MATLS INC	COM	038222105	10,055	164,730	SH		OTR		164,730	0	0
APPLIED MATLS INC	COM	038222105	16,624	272,346	SH		OTR	1	272,346	0	0
AVALARA INC	COM	05338G106	6,056	82,680	SH		OTR	1	82,680	0	0
BECTON DICKINSON & CO	COM	075887109	7,296	26,825	SH		OTR		26,825	0	0
BECTON DICKINSON & CO	COM	075887109	14,871	54,680	SH		OTR	1	54,680	0	0
BERKLEY W R CORP	COM	084423102	267	3,863	SH		OTR	1	3,863	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	2,037	6	SH		OTR		4	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	340	1	SH		OTR	1	0	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	18,220	80,441	SH		OTR	1	78,891	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	7,171	31,660	SH		OTR		31,285	0	0
BEYOND MEAT INC	COM	08862E109	796	10,525	SH		OTR	1	10,525	0	0
BIO TECHNE CORP	COM	09073M104	6,350	28,930	SH		OTR	1	28,930	0	0
BLUE BIRD CORP	COM	095306106	2,623	114,431	SH		OTR	1	114,431	0	0
BOEING CO	COM	097023105	7,843	24,076	SH		OTR		24,076	0	0
BOEING CO	COM	097023105	15,809	48,531	SH		OTR	1	48,531	0	0
BOOT BARN HLDGS INC	COM	099406100	6,169	138,540	SH		OTR	1	138,540	0	0
BRISTOL MYERS SQUIBB CO	COM	110122108	399	6,209	SH		OTR	1	6,209	0	0
BROADRIDGE FINL SOLUTIONS IN	COM	11133T103	5,935	48,045	SH		OTR		48,045	0	0
BROADRIDGE FINL SOLUTIONS IN	COM	11133T103	9,649	78,103	SH		OTR	1	78,103	0	0
BROOKFIELD ASSET MGMT INC	CL A LTD VT SH	112585104	17,283	299,014	SH		OTR		299,014	0	0
BROOKFIELD ASSET MGMT INC	CL A LTD VT SH	112585104	31,216	540,077	SH		OTR	1	539,077	0	0
CEMEX SAB DE CV	NOTE 3.720% 3/1	151290BR3	21,848	21,704,000	PRN		OTR	1	21,704,000	0	0
CEMEX SAB DE CV	NOTE 3.720% 3/1	151290BT9	71,365	70,939,000	PRN		OTR	1	70,939,000	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	14,691	30,285	SH		OTR		30,285	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	23,526	48,500	SH		OTR	1	48,500	0	0
CHEGG INC	COM	163092109	4,645	122,540	SH		OTR	1	122,540	0	0
CHEVRON CORP NEW	COM	166764100	56	465	SH		OTR		465	0	0
CHEVRON CORP NEW	COM	166764100	372	3,088	SH		OTR	1	1,222	0	0
CREE INC	NOTE 0.875% 9/0	225447AB7	22,059	20,759,000	PRN		OTR	1	20,759,000	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	8,850	62,256	SH		OTR		62,256	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	15,758	110,857	SH		OTR	1	110,857	0	0
DANAHER CORPORATION	COM	235851102	12,917	84,163	SH		OTR		84,163	0	0
DANAHER CORPORATION	COM	235851102	25,389	165,424	SH		OTR	1	165,424	0	0
DIGITAL RLTY TR INC	COM	253868103	10,131	84,605	SH		OTR		84,605	0	0
DIGITAL RLTY TR INC	COM	253868103	21,054	175,833	SH		OTR	1	175,833	0	0
DISNEY WALT CO	COM DISNEY	254687106	273	1,887	SH		OTR	1	1,775	0	0
DOLLAR GEN CORP NEW	COM	256677105	8,977	57,555	SH		OTR		57,555	0	0
DOLLAR GEN CORP NEW	COM	256677105	17,567	112,624	SH		OTR	1	112,624	0	0
ECHO GLOBAL LOGISTICS INC	NOTE 2.500% 5/0	27875TAA9	52,246	52,170,000	PRN		OTR	1	52,170,000	0	0
ECOLAB INC	COM	278865100	203	1,050	SH		OTR	1	1,050	0	0
EHEALTH INC	COM	28238P109	6,037	62,835	SH		OTR	1	62,835	0	0
ENOVA INTL INC	COM	29357K103	3,344	138,990	SH		OTR	1	138,990	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	8,461	300,455	SH		OTR		300,455	0	0
ENTERPRISE PRODS PARTNERS L	COM	293792107	15,949	566,353	SH		OTR	1	566,353	0	0
ENVESTNET INC	COM	29404K106	3,817	54,825	SH		OTR	1	54,825	0	0
ETSY INC	COM	29786A106	1,418	32,020	SH		OTR	1	32,020	0	0
EVERQUOTE INC	COM CL A	30041R108	1,774	51,650	SH		OTR	1	51,650	0	0
EXXON MOBIL CORP	COM	30231G102	857	12,272	SH		OTR	1	9,125	0	0
EXXON MOBIL CORP	COM	30231G102	452	6,471	SH		OTR		6,471	0	0
EZCORP INC	NOTE 2.375% 5/0	302301AE6	8,188	10,000,000	PRN		OTR	1	10,000,000	0	0
EZCORP INC	NOTE 2.875% 7/0	302301AF3	15,920	16,835,000	PRN		OTR	1	16,835,000	0	0
FEDEX CORP	COM	31428X106	353	2,335	SH		SOLE		2,335	0	0
FIREEYE INC	COM	31816Q101	10,398	629,040	SH		OTR		629,040	0	0
FIREEYE INC	COM	31816Q101	19,054	1,152,695	SH		OTR	1	1,152,695	0	0
FIREEYE INC	NOTE 1.000% 6/0	31816QAB7	14,765	14,809,000	PRN		OTR	1	14,809,000	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	1,978	16,840	SH		OTR		16,840	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	112	952	SH		OTR	1	952	0	0
FIRSTSERVICE CORP NEW	COM	33767E202	5,661	60,840	SH		OTR	1	60,840	0	0
FIVE9 INC	COM	338307101	6,525	99,500	SH		OTR	1	99,500	0	0
FLOOR & DECOR HLDGS INC	CL A	339750101	2,122	41,755	SH		OTR	1	41,755	0	0
GUARDANT HEALTH INC	COM	40131M109	2,698	34,530	SH		OTR	1	34,530	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	1,450	45,055	SH		OTR		45,055	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	6,487	201,570	SH		OTR	1	201,570	0	0
HOLOGIC INC	COM	436440101	6,975	133,600	SH		OTR		133,600	0	0
HOLOGIC INC	COM	436440101	14,297	273,845	SH		OTR	1	273,845	0	0
HOME DEPOT INC	COM	437076102	213	976	SH		OTR	1	976	0	0
HORIZON GLOBAL CORP	NOTE 2.750% 7/0	44052WAA2	27,616	34,517,000	PRN		OTR	1	34,517,000	0	0
INPHI CORP	COM	45772F107	5,680	76,735	SH		OTR	1	76,735	0	0
INSULET CORP	COM	45784P101	3,550	20,735	SH		OTR	1	20,735	0	0
IOVANCE BIOTHERAPEUTICS INC	COM	462260100	3,829	138,325	SH		OTR	1	138,325	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	1,777	8,295	PRN		OTR	1	8,295	0	0
JOHNSON & JOHNSON	COM	478160104	9,526	65,308	SH		OTR		65,308	0	0
JOHNSON & JOHNSON	COM	478160104	20,218	138,600	SH		OTR	1	135,000	0	0
KODIAK SCIENCES INC	COM	50015M109	9,553	132,768	SH		SOLE		132,768	0	0
KRATOS DEFENSE & SEC SOLUTIO	COM NEW	50077B207	4,412	244,985	SH		OTR	1	244,985	0	0
LENDINGTREE INC NEW	COM	52603B107	1,633	5,380	SH		OTR	1	5,380	0	0
LILLY ELI & CO	COM	532457108	2,162	16,451	SH		OTR		16,451	0	0
LILLY ELI & CO	COM	532457108	976	7,424	SH		OTR	1	7,424	0	0
LIVONGO HEALTH INC	COM	539183103	2,004	79,980	SH		OTR	1	79,980	0	0
MAGELLAN MIDSTREAM PRTNRS LP	COM UNIT RP LP	559080106	4,308	68,516	SH		OTR		68,516	0	0
MAGELLAN MIDSTREAM PRTNRS LP	COM UNIT RP LP	559080106	12,659	201,352	SH		OTR	1	197,352	0	0
MCGRATH RENTCORP	COM	580589109	301	3,939	SH		OTR	1	3,939	0	0
MERCK & CO INC	COM	58933Y105	71	783	SH		OTR		783	0	0
MERCK & CO INC	COM	58933Y105	1,041	11,451	SH		OTR	1	11,186	0	0
META FINL GROUP INC	COM	59100U108	7,314	200,340	SH		OTR	1	200,340	0	0
MICRON TECHNOLOGY INC	COM	595112103	12,891	239,702	SH		OTR	1	239,702	0	0
MICRON TECHNOLOGY INC	COM	595112103	6,500	120,865	SH		OTR		120,865	0	0
MICROSOFT CORP	COM	594918104	16,891	107,106	SH		OTR		107,106	0	0
MICROSOFT CORP	COM	594918104	35,598	225,734	SH		OTR	1	224,396	0	0
MONOLITHIC PWR SYS INC	COM	609839105	7,757	43,575	SH		OTR		43,575	0	0
MONOLITHIC PWR SYS INC	COM	609839105	13,113	73,658	SH		OTR	1	73,658	0	0
NEKTAR THERAPEUTICS	COM	640268108	2,412	111,740	SH		OTR		111,740	0	0
NEKTAR THERAPEUTICS	COM	640268108	3,354	155,390	SH		OTR	1	155,390	0	0
NEXTERA ENERGY INC	COM	65339F101	13,973	57,701	SH		OTR		57,701	0	0
NEXTERA ENERGY INC	COM	65339F101	26,989	111,451	SH		OTR	1	111,451	0	0
NOVARTIS A G	SPONSORED ADR	66987V109	18,855	199,125	SH		OTR	1	199,125	0	0
NOVARTIS A G	SPONSORED ADR	66987V109	9,707	102,514	SH		OTR		102,514	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	12,640	66,601	SH		OTR	1	66,601	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	6,515	34,330	SH		OTR		34,330	0	0
OPERA LTD	SPONSORED ADS	68373M107	958	103,520	SH		OTR	1	103,520	0	0
OSI SYSTEMS INC	NOTE 1.250% 9/0	671044AD7	21,396	19,530,000	PRN		OTR	1	19,530,000	0	0
PAYLOCITY HLDG CORP	COM	70438V106	6,302	52,160	SH		OTR	1	52,160	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	6,076	81,355	SH		OTR	1	81,355	0	0
PROCTER & GAMBLE CO	COM	742718109	2,131	17,062	SH		OTR	1	16,612	0	0
PROCTER & GAMBLE CO	COM	742718109	955	7,645	SH		OTR		7,645	0	0
PROGRESSIVE CORP OHIO	COM	743315103	8,001	110,525	SH		OTR		110,525	0	0
PROGRESSIVE CORP OHIO	COM	743315103	14,749	203,740	SH		OTR	1	203,740	0	0
RAMBUS INC DEL	NOTE 1.375% 2/0	750917AG1	5,091	5,000,000	PRN		OTR	1	5,000,000	0	0
RAPID7 INC	COM	753422104	2,958	52,810	SH		OTR	1	52,810	0	0
REVANCE THERAPEUTICS INC	COM	761330109	3,405	209,780	SH		OTR	1	209,780	0	0
SILICON LABORATORIES INC	COM	826919102	4,188	36,110	SH		OTR	1	36,110	0	0
SYNOPSYS INC	COM	871607107	6,251	44,905	SH		OTR		44,905	0	0
SYNOPSYS INC	COM	871607107	11,050	79,381	SH		OTR	1	79,381	0	0
TANDEM DIABETES CARE INC	COM NEW	875372203	3,914	65,665	SH		OTR	1	65,665	0	0
TELEFLEX INC	COM	879369106	7,483	19,879	SH		OTR		19,879	0	0
TELEFLEX INC	COM	879369106	14,096	37,445	SH		OTR	1	37,445	0	0
THE CHARLES SCHWAB CORPORATI	COM	808513105	11,130	234,010	SH		OTR		234,010	0	0
THE CHARLES SCHWAB CORPORATI	COM	808513105	22,632	475,868	SH		OTR	1	475,868	0	0
THERMO FISHER SCIENTIFIC INC	COM	883556102	203	625	SH		OTR	1	625	0	0
TREX CO INC	COM	89531P105	5,298	58,950	SH		OTR	1	58,950	0	0
TUTOR PERINI CORP	NOTE 2.875% 6/1	901109AD0	19,900	20,840,000	PRN		OTR	1	20,840,000	0	0
UNION PACIFIC CORP	COM	907818108	919	5,083	SH		OTR	1	1,999	0	0
UNISYS CORP	NOTE 5.500% 3/0	909214BS6	6,961	5,126,000	PRN		OTR	1	5,126,000	0	0
US FOODS HLDG CORP	COM	912008109	7,643	182,446	SH		OTR	1	182,446	0	0
US FOODS HLDG CORP	COM	912008109	5,008	119,540	SH		OTR		119,540	0	0
VERICEL CORP	COM	92346J108	2,997	172,220	SH		OTR	1	172,220	0	0
VISA INC	COM CL A	92826C839	18,197	96,847	SH		OTR	1	96,047	0	0
VISA INC	COM CL A	92826C839	9,549	50,820	SH		OTR		50,820	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	558	9,463	SH		OTR	1	2,540	0	0
WASTE CONNECTIONS INC	COM	94106B101	10,892	119,970	SH		OTR		119,970	0	0
WASTE CONNECTIONS INC	COM	94106B101	21,002	231,320	SH		OTR	1	231,320	0	0
WELLS FARGO CO NEW	COM	949746101	550	10,214	SH		OTR	1	10,155	0	0
YETI HLDGS INC	COM	98585X104	2,342	67,340	SH		OTR	1	67,340	0	0
ZENDESK INC	COM	98936J101	10,429	136,095	SH		OTR	1	136,095	0	0
ZENDESK INC	COM	98936J101	5,253	68,555	SH		OTR		68,555	0	0