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
ABBOTT LABS	COM	002824100	210	1,775	SH		OTR	1	1,775	0	0
ABBVIE INC	COM	00287Y109	325	3,011	SH		OTR	1	3,011	0	0
ACCOLADE INC	COM	00437E102	7,970	188,990	SH		OTR	1	188,990	0	0
ADOBE SYSTEMS INCORPORATED	COM	00724F101	208	362	SH		OTR	1	362	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	20,447	198,710	SH		OTR	1	198,710	0	0
ADVANCED MICRO DEVICES INC	COM	007903107	10,507	102,105	SH		OTR		102,105	0	0
AIR PRODS & CHEMS INC	COM	009158106	23,209	90,620	SH		OTR	1	90,620	0	0
AIR PRODS & CHEMS INC	COM	009158106	11,826	46,177	SH		OTR		46,177	0	0
AIRBNB INC	COM CL A	009066101	254	1,515	SH		OTR	1	0	0	0
AKOYA BIOSCIENCES INC	COM	00974H104	1,964	140,688	SH		SOLE		140,688	0	0
ALPHABET INC	CAP STK CL A	02079K305	3,994	1,494	SH		OTR	1	1,494	0	0
ALPHABET INC	CAP STK CL A	02079K305	773	289	SH		OTR		289	0	0
ALPHABET INC	CAP STK CL C	02079K107	36,819	13,814	SH		OTR		13,814	0	0
ALPHABET INC	CAP STK CL C	02079K107	67,672	25,390	SH		OTR	1	25,390	0	0
ALTERYX INC	COM CL A	02156B103	761	10,410	SH		OTR	1	10,410	0	0
ALTERYX INC	NOTE 1.000% 8/0	02156BAF0	4,310	4,647,000	PRN		OTR	1	4,647,000	0	0
ALX ONCOLOGY HLDGS INC	COM	00166B105	4,988	67,535	SH		OTR	1	67,535	0	0
AMAZON COM INC	COM	023135106	30,160	9,181	SH		OTR	1	9,181	0	0
AMAZON COM INC	COM	023135106	15,611	4,752	SH		OTR		4,752	0	0
AMERICAN TOWER CORP NEW	COM	03027X100	342	1,290	SH		OTR	1	1,290	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	7,215	42,684	SH		OTR	1	42,684	0	0
AMERICAN WTR WKS CO INC NEW	COM	030420103	2,557	15,129	SH		OTR		15,129	0	0
ANALOG DEVICES INC	COM	032654105	86	515	SH		OTR		515	0	0
ANALOG DEVICES INC	COM	032654105	4,361	26,037	SH		OTR	1	26,037	0	0
APPLE INC	COM	037833100	4,938	34,897	SH		OTR	1	34,897	0	0
APPLIED MATLS INC	COM	038222105	16,738	130,021	SH		OTR	1	130,021	0	0
APPLIED MATLS INC	COM	038222105	10,356	80,449	SH		OTR		80,449	0	0
AVALARA INC	COM	05338G106	6,499	37,185	SH		OTR	1	37,185	0	0
AXON ENTERPRISE INC	COM	05464C101	11,290	64,505	SH		OTR	1	64,505	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	411	1	SH		OTR	1	0	0	0
BERKSHIRE HATHAWAY INC DEL	CL A	084670108	2,469	6	SH		OTR		4	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	1,081	3,962	SH		OTR	1	2,672	0	0
BERKSHIRE HATHAWAY INC DEL	CL B NEW	084670702	102	375	SH		OTR		0	0	0
BOSTON SCIENTIFIC CORP	COM	101137107	7,985	184,035	SH		OTR		184,035	0	0
BOSTON SCIENTIFIC CORP	COM	101137107	13,787	317,735	SH		OTR	1	317,735	0	0
BRIGHT HORIZONS FAM SOL IN D	COM	109194100	11,403	81,786	SH		OTR	1	81,786	0	0
BRIGHT HORIZONS FAM SOL IN D	COM	109194100	6,392	45,849	SH		OTR		45,849	0	0
BRILLIANT EARTH GROUP INC	CL A COM	109504100	735	54,840	SH		OTR	1	54,840	0	0
BROOKS AUTOMATION INC NEW	COM	114340102	13,643	133,300	SH		OTR	1	133,300	0	0
CALLAWAY GOLF CO	COM	131193104	9,829	355,740	SH		OTR	1	355,740	0	0
CARRIER GLOBAL CORPORATION	COM	14448C104	36	700	SH		OTR	1	200	0	0
CERENCE INC	COM	156727109	11,119	115,690	SH		OTR	1	115,690	0	0
CERTARA INC	COM	15687V109	3,439	103,898	SH		OTR	1	103,898	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	11,264	15,482	SH		OTR		15,482	0	0
CHARTER COMMUNICATIONS INC N	CL A	16119P108	15,415	21,187	SH		OTR	1	21,187	0	0
CHEVRON CORP NEW	COM	166764100	8,209	80,923	SH		OTR	1	79,058	0	0
CHEVRON CORP NEW	COM	166764100	1,159	11,425	SH		OTR		11,425	0	0
COCA COLA CO	COM	191216100	36	677	SH		OTR		677	0	0
COCA COLA CO	COM	191216100	10	200	SH		OTR	1	0	0	0
CONMED CORP	NOTE 2.625% 2/0	207410AF8	13,847	8,930,000	PRN		OTR	1	8,930,000	0	0
COSTCO WHSL CORP NEW	COM	22160K105	476	1,060	SH		OTR	1	960	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	19,784	114,145	SH		OTR	1	114,145	0	0
CROWN CASTLE INTL CORP NEW	COM	22822V101	9,892	57,071	SH		OTR		57,071	0	0
CRYOPORT INC	COM PAR $0.001	229050307	7,508	112,880	SH		OTR	1	112,880	0	0
CVS HEALTH CORP	COM	126650100	20,833	245,502	SH		OTR	1	245,502	0	0
CVS HEALTH CORP	COM	126650100	10,242	120,695	SH		OTR		120,695	0	0
DANAHER CORPORATION	COM	235851102	17,398	57,149	SH		OTR		57,149	0	0
DANAHER CORPORATION	COM	235851102	33,379	109,639	SH		OTR	1	109,639	0	0
DISNEY WALT CO	COM	254687106	530	3,135	SH		OTR	1	3,135	0	0
DOLLAR GEN CORP NEW	COM	256677105	19,631	92,536	SH		OTR	1	92,536	0	0
DOLLAR GEN CORP NEW	COM	256677105	9,876	46,553	SH		OTR		46,553	0	0
ESSEX PPTY TR INC	COM	297178105	1,297	4,055	SH		OTR	1	55	0	0
ETSY INC	COM	29786A106	12,886	61,964	SH		OTR	1	61,964	0	0
ETSY INC	COM	29786A106	4,995	24,020	SH		OTR		24,020	0	0
ETSY INC	NOTE 0.125%10/0	29786AAJ5	3,827	1,576,000	PRN		OTR	1	1,576,000	0	0
EURONET WORLDWIDE INC	NOTE 0.750% 3/1	298736AL3	10,038	9,050,000	PRN		OTR	1	9,050,000	0	0
EVERBRIDGE INC	COM	29978A104	5,123	33,915	SH		OTR	1	33,915	0	0
EXXON MOBIL CORP	COM	30231G102	495	8,417	SH		OTR	1	6,217	0	0
EXXON MOBIL CORP	COM	30231G102	257	4,369	SH		OTR		4,369	0	0
EZCORP INC	NOTE 2.375% 5/0	302301AE6	9,200	10,000,000	PRN		OTR	1	10,000,000	0	0
EZCORP INC	NOTE 2.875% 7/0	302301AF3	17,582	16,835,000	PRN		OTR	1	16,835,000	0	0
FACEBOOK INC	CL A	30303M102	8,525	25,117	SH		OTR	1	0	0	0
FATE THERAPEUTICS INC	COM	31189P102	3,535	59,640	SH		OTR	1	59,640	0	0
FEDEX CORP	COM	31428X106	685	3,124	SH		OTR		3,124	0	0
FEDEX CORP	COM	31428X106	150	685	SH		OTR	1	685	0	0
FIREEYE INC	NOTE 1.625% 6/0	31816QAD3	20,644	20,566,000	PRN		OTR	1	20,566,000	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	22,120	114,682	SH		OTR	1	114,682	0	0
FIRST REP BK SAN FRANCISCO C	COM	33616C100	12,945	67,113	SH		OTR		67,113	0	0
FIRSTSERVICE CORP NEW	COM	33767E202	12,371	68,545	SH		OTR	1	68,545	0	0
FISERV INC	COM	337738108	234	2,160	SH		OTR	1	2,160	0	0
FIVE9 INC	COM	338307101	5,041	31,560	SH		OTR	1	31,560	0	0
FLOOR & DECOR HLDGS INC	CL A	339750101	15,201	125,845	SH		OTR	1	125,845	0	0
FRESHPET INC	COM	358039105	5,151	36,100	SH		OTR	1	36,100	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	18	340	SH		OTR		340	0	0
HANNON ARMSTRONG SUST INFR C	COM	41068X100	2,734	51,130	SH		OTR	1	51,130	0	0
HERITAGE COMM CORP	COM	426927109	175	15,021	SH		OTR	1	15,021	0	0
HOME DEPOT INC	COM	437076102	10,382	31,627	SH		OTR		31,627	0	0
HOME DEPOT INC	COM	437076102	22,186	67,586	SH		OTR	1	67,586	0	0
HORIZON GLOBAL CORP	NOTE 2.750% 7/0	44052WAA2	21,157	21,827,000	PRN		OTR	1	21,827,000	0	0
INARI MED INC	COM	45332Y109	3,638	44,860	SH		OTR	1	44,860	0	0
INSULET CORP	COM	45784P101	14,868	52,310	SH		OTR	1	52,310	0	0
INTEGRA LIFESCIENCES HLDGS C	NOTE 0.500% 8/1	457985AM1	14,346	13,000,000	PRN		OTR	1	13,000,000	0	0
INTERNATIONAL FLAVORS&FRAGRA	COM	459506101	18,780	140,445	SH		OTR	1	140,445	0	0
INTERNATIONAL FLAVORS&FRAGRA	COM	459506101	9,431	70,529	SH		OTR		70,529	0	0
INVESCO QQQ TR	UNIT SER 1	46090E103	243	680	PRN		OTR	1	680	0	0
ISHARES TR	CORE 1 5 YR USD	46432F859	75	1,470	PRN		OTR		1,470	0	0
ISHARES TR	CORE 1 5 YR USD	46432F859	320	6,260	PRN		OTR	1	6,260	0	0
ISHARES TR	EXPND TEC SC ETF	464287549	374	927	PRN		OTR	1	855	0	0
JAZZ INVESTMENTS I LTD	NOTE 1.500% 8/1	472145AD3	6,090	6,000,000	PRN		OTR	1	6,000,000	0	0
JAZZ INVESTMENTS I LTD	NOTE 2.000% 6/1	472145AF8	8,116	7,000,000	PRN		OTR	1	7,000,000	0	0
JOHNSON & JOHNSON	COM	478160104	8,636	53,472	SH		OTR		53,472	0	0
JOHNSON & JOHNSON	COM	478160104	21,257	131,621	SH		OTR	1	127,755	0	0
JPMORGAN CHASE & CO	COM	46625H100	36,058	220,281	SH		OTR	1	220,281	0	0
JPMORGAN CHASE & CO	COM	46625H100	17,291	105,635	SH		OTR		105,635	0	0
KODIAK SCIENCES INC	COM	50015M109	10,728	111,775	SH		SOLE		111,775	0	0
L3HARRIS TECHNOLOGIES INC	COM	502431109	6,668	30,275	SH		OTR	1	30,275	0	0
L3HARRIS TECHNOLOGIES INC	COM	502431109	2,287	10,385	SH		OTR		10,385	0	0
LILLY ELI & CO	COM	532457108	3,494	15,123	SH		OTR		15,123	0	0
LILLY ELI & CO	COM	532457108	114	493	SH		OTR	1	493	0	0
LIVE NATION ENTERTAINMENT IN	NOTE 2.000% 2/1	538034AU3	9,784	8,500,000	PRN		OTR	1	8,500,000	0	0
LIVERAMP HLDGS INC	COM	53815P108	7,553	159,910	SH		OTR	1	159,910	0	0
LIVERAMP HLDGS INC	COM	53815P108	4,731	100,160	SH		OTR		100,160	0	0
LOWES COS INC	COM	548661107	406	2,000	SH		OTR	1	2,000	0	0
LYFT INC	CL A COM	55087P104	327	6,099	SH		OTR	1	0	0	0
MACOM TECH SOLUTIONS HLDGS I	COM	55405Y100	7,897	121,740	SH		OTR	1	121,740	0	0
MARRIOTT VACATIONS WORLDWIDE	COM	57164Y107	13,275	84,375	SH		OTR	1	84,375	0	0
MAXLINEAR INC	COM	57776J100	11,264	228,720	SH		OTR	1	228,720	0	0
MERCK & CO INC	COM	58933Y105	349	4,650	SH		OTR	1	4,650	0	0
META FINL GROUP INC	COM	59100U108	7,801	148,645	SH		OTR	1	148,645	0	0
MICROSOFT CORP	COM	594918104	25,476	90,367	SH		OTR		90,367	0	0
MICROSOFT CORP	COM	594918104	56,790	201,439	SH		OTR	1	199,981	0	0
MONOLITHIC PWR SYS INC	COM	609839105	8,649	17,845	SH		OTR		17,845	0	0
MONOLITHIC PWR SYS INC	COM	609839105	16,012	33,036	SH		OTR	1	33,036	0	0
NATERA INC	COM	632307104	7,206	64,665	SH		OTR	1	64,665	0	0
NCL CORP LTD	NOTE 6.000% 5/1	62886HAT8	15,015	6,995,000	PRN		OTR	1	6,995,000	0	0
NEKTAR THERAPEUTICS	COM	640268108	2,142	119,265	SH		OTR		119,265	0	0
NEKTAR THERAPEUTICS	COM	640268108	4,451	247,848	SH		OTR	1	247,848	0	0
NEW FOUND GOLD CORP	COM	64440N103	192	31,250	SH		OTR	1	0	0	0
NEWPARK RES INC	NOTE 4.000%12/0	651718AE8	33,130	33,296,000	PRN		OTR	1	33,296,000	0	0
NEXTERA ENERGY INC	COM	65339F101	13,033	165,984	SH		OTR	1	165,984	0	0
NEXTERA ENERGY INC	COM	65339F101	6,028	76,767	SH		OTR		76,767	0	0
NOVARTIS AG	SPONSORED ADR	66987V109	1,333	16,297	SH		OTR		16,297	0	0
NOVARTIS AG	SPONSORED ADR	66987V109	5,133	62,770	SH		OTR	1	62,770	0	0
NVIDIA CORPORATION	COM	67066G104	207	1,000	SH		OTR	1	1,000	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	12,485	43,658	SH		OTR		43,658	0	0
OLD DOMINION FREIGHT LINE IN	COM	679580100	25,357	88,667	SH		OTR	1	88,667	0	0
ONTO INNOVATION INC	COM	683344105	13,433	185,927	SH		OTR	1	185,927	0	0
ORACLE CORP	COM	68389X105	211	2,419	SH		OTR	1	0	0	0
OSI SYSTEMS INC	NOTE 1.250% 9/0	671044AD7	20,250	19,530,000	PRN		OTR	1	19,530,000	0	0
PALANTIR TECHNOLOGIES INC	CL A	69608A108	989	41,144	SH		OTR		41,144	0	0
PARSONS CORP DEL	NOTE 0.250% 8/1	70202LAB8	12,597	12,500,000	PRN		OTR	1	12,500,000	0	0
PIMCO ETF TR	0-5 HIGH YIELD	72201R783	617	6,215	PRN		OTR	1	6,215	0	0
PIONEER NAT RES CO	COM	723787107	6,242	37,485	SH		OTR		37,485	0	0
PIONEER NAT RES CO	COM	723787107	11,522	69,200	SH		OTR	1	69,200	0	0
PLANET FITNESS INC	CL A	72703H101	7,158	91,130	SH		OTR	1	91,130	0	0
PROCTER AND GAMBLE CO	COM	742718109	919	6,574	SH		OTR		6,574	0	0
PROCTER AND GAMBLE CO	COM	742718109	2,131	15,245	SH		OTR	1	14,582	0	0
PROGRESSIVE CORP	COM	743315103	18,799	207,971	SH		OTR	1	207,971	0	0
PROGRESSIVE CORP	COM	743315103	9,550	105,654	SH		OTR		105,654	0	0
PROGYNY INC	COM	74340E103	5,789	103,375	SH		OTR	1	103,375	0	0
PROSHARES TR	S&P 500 DV ARIST	74348A467	224	2,532	PRN		OTR	1	2,532	0	0
PS BUSINESS PKS INC CALIF	COM	69360J107	23,323	148,799	SH		OTR	1	148,799	0	0
PS BUSINESS PKS INC CALIF	COM	69360J107	11,983	76,450	SH		OTR		76,450	0	0
RAMBUS INC DEL	NOTE 1.375% 2/0	750917AG1	6,327	5,000,000	PRN		OTR	1	5,000,000	0	0
RAPID7 INC	COM	753422104	15,711	139,015	SH		OTR	1	139,015	0	0
REPLIMUNE GROUP INC	COM	76029N106	3,595	121,275	SH		OTR	1	121,275	0	0
ROSS STORES INC	COM	778296103	17,872	164,193	SH		OTR	1	164,193	0	0
ROSS STORES INC	COM	778296103	9,443	86,750	SH		OTR		86,750	0	0
SCHWAB STRATEGIC TR	US BRD MKT ETF	808524102	243	2,339	PRN		OTR	1	2,339	0	0
SCHWAB STRATEGIC TR	US MID-CAP ETF	808524508	271	3,531	PRN		OTR	1	3,378	0	0
SELECT SECTOR SPDR TR	TECHNOLOGY	81369Y803	530	3,546	PRN		OTR	1	125	0	0
SITIME CORP	COM	82982T106	1,848	9,050	SH		OTR	1	9,050	0	0
SNAP INC	CL A	83304A106	6,071	82,185	SH		OTR	1	82,185	0	0
SNAP INC	CL A	83304A106	3,462	46,865	SH		OTR		46,865	0	0
SOUTHWEST AIRLS CO	NOTE 1.250% 5/0	844741BG2	11,793	7,875,000	PRN		OTR	1	7,875,000	0	0
STARBUCKS CORP	COM	855244109	344	3,121	SH		OTR	1	3,121	0	0
SUNNOVA ENERGY INTL INC.	COM	86745K104	7,653	232,325	SH		OTR	1	232,325	0	0
SYNOPSYS INC	COM	871607107	12,706	42,437	SH		OTR	1	42,437	0	0
SYNOPSYS INC	COM	871607107	7,434	24,829	SH		OTR		24,829	0	0
SYSCO CORP	COM	871829107	11,526	146,830	SH		OTR		146,830	0	0
SYSCO CORP	COM	871829107	22,559	287,379	SH		OTR	1	287,379	0	0
TABULA RASA HEALTHCARE INC	NOTE 1.750% 2/1	873379AA9	7,073	8,400,000	PRN		OTR	1	8,400,000	0	0
TANDEM DIABETES CARE INC	COM NEW	875372203	10,229	85,685	SH		OTR	1	85,685	0	0
TELEFLEX INCORPORATED	COM	879369106	14,262	37,876	SH		OTR	1	37,876	0	0
TELEFLEX INCORPORATED	COM	879369106	8,223	21,837	SH		OTR		21,837	0	0
THERMO FISHER SCIENTIFIC INC	COM	883556102	583	1,020	SH		OTR	1	1,020	0	0
T-MOBILE US INC	COM	872590104	11,700	91,575	SH		OTR		91,575	0	0
T-MOBILE US INC	COM	872590104	21,628	169,287	SH		OTR	1	169,287	0	0
TURNING POINT THERAPEUTICS I	COM	90041T108	3,663	55,140	SH		OTR	1	55,140	0	0
UNION PAC CORP	COM	907818108	24,306	124,006	SH		OTR	1	120,922	0	0
UNION PAC CORP	COM	907818108	10,997	56,102	SH		OTR		56,102	0	0
UPWORK INC	COM	91688F104	5,082	112,854	SH		OTR	1	112,854	0	0
VANGUARD INDEX FDS	S&P 500 ETF SHS	922908363	1,152	2,920	PRN		OTR	1	2,565	0	0
VISA INC	COM CL A	92826C839	12,294	55,194	SH		OTR		55,194	0	0
VISA INC	COM CL A	92826C839	26,432	118,664	SH		OTR	1	117,864	0	0
VIZIO HLDG CORP	CL A COM	92858V101	2,771	130,470	SH		OTR	1	130,470	0	0
WALGREENS BOOTS ALLIANCE INC	COM	931427108	307	6,524	SH		OTR	1	0	0	0
WASTE CONNECTIONS INC	COM	94106B101	25,180	199,954	SH		OTR	1	199,954	0	0
WASTE CONNECTIONS INC	COM	94106B101	12,007	95,347	SH		OTR		95,347	0	0
WELLS FARGO CO NEW	COM	949746101	645	13,896	SH		OTR	1	11,699	0	0
WINGSTOP INC	COM	974155103	11,252	68,640	SH		OTR	1	68,640	0	0
XILINX INC	COM	983919101	5,122	33,920	SH		OTR	1	33,920	0	0
XILINX INC	COM	983919101	2,440	16,160	SH		OTR		16,160	0	0
ZENDESK INC	COM	98936J101	14,043	120,652	SH		OTR	1	120,652	0	0
ZENDESK INC	COM	98936J101	7,648	65,709	SH		OTR		65,709	0	0
ZENDESK INC	NOTE 0.625% 6/1	98936JAD3	11,489	9,000,000	PRN		OTR	1	9,000,000	0	0