InvestInfoAI
OSTERWEIS CAPITAL MANAGEMENT INC

Q1 2026 · 13F-HR

OSTERWEIS CAPITAL MANAGEMENT INCholdings as filed

Filed 2026-05-15 · accession 0001007524-26-000002

$1.94B
Reported value
229
Positions
2026-03-31
Period end
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The Brief · OSTERWEIS CAPITAL MANAGEMENT INC · Q1 2026

AI · grounded in 13F

OSTERWEIS CAPITAL MANAGEMENT INC closed its position in [[stock:ABNB 0 03/15/26]] for a reduction of $76.1M. The fund also exited positions in [[stock:BSY 0.125 01/15/26]] and [[stock:VAC 0 01/15/26]], reducing exposure by $75.7M and $70.9M respectively. On the buy side, the manager established a new position in [[stock:AFRM 0 11/15/26]] worth $55.8M and added [[stock:VAC 3.25 12/15/27]] for $48.1M. Overall, the fund added 58 positions and reduced 148.

Holdings as filed

CUSIPTickerIssuerValue% port.SharesClassVoting
02079K107GOOGALPHABET INC$93.8M4.84%327,158CommonSOLE
00827BAB2AFRM 0 11/15/26AFFIRM HLDGS INC$55.8M2.88%57,500,000CommonSOLE
023135106AMZNAMAZON COM INC$54.0M2.78%259,065CommonSOLE
594918104MSFTMICROSOFT CORP$53.6M2.76%144,666CommonSOLE
038222105AMATAPPLIED MATLS INC$48.6M2.51%142,132CommonSOLE
57164YAF4VAC 3.25 12/15/27MARRIOTT VACATIONS WORLDWIDE$48.1M2.48%50,000,000CommonSOLE
11135F101AVGOBROADCOM INC$48.0M2.48%155,094CommonSOLE
032654105ADIANALOG DEVICES INC$47.8M2.47%150,259CommonSOLE
92826C839VVISA INC$43.5M2.24%143,901CommonSOLE
053332102AZOAUTOZONE INC$42.6M2.20%12,601CommonSOLE
46625H100JPMJPMORGAN CHASE & CO$41.6M2.15%141,453CommonSOLE
477839AB0JBTM 0.25 05/15/26JBT MAREL CORPORATION$41.2M2.13%41,279,000CommonSOLE
532457108LLYELI LILLY & CO$41.2M2.12%44,788CommonSOLE
67066G104NVDANVIDIA CORPORATION$39.9M2.06%228,679CommonSOLE
94106B101WCNWASTE CONNECTIONS INC$39.1M2.02%240,762CommonSOLE
235851102DHRDANAHER CORP DEL$36.2M1.87%190,961CommonSOLE
707569AU3PENN 2.75 05/15/26PENN ENTERTAINMENT INC$35.5M1.83%35,453,000CommonSOLE
74736LAD1QTWO 0.75 06/01/26Q2 HLDGS INC$35.3M1.82%35,428,000CommonSOLE
030420103AWKAMERICAN WTR WKS CO INC NEW$34.9M1.80%256,432CommonSOLE
88146M101TRNOTERRENO RLTY CORP$34.1M1.76%555,710CommonSOLE
009158106APDAIR PRODUCTS AND CHEMICALS I$33.2M1.71%114,446CommonSOLE
70509VAA8PEB 1.75 12/15/26PEBBLEBROOK HOTEL TR$33.1M1.71%33,871,000CommonSOLE
912008109USFDUS FOODS HLDG CORP$32.6M1.68%354,083CommonSOLE
49338L103KEYSKEYSIGHT TECHNOLOGIES INC$32.6M1.68%115,393CommonSOLE
502431109LHXL3HARRIS TECHNOLOGIES INC$31.0M1.60%89,868CommonSOLE
48123VAE2ZD 1.75 11/01/26ZIFF DAVIS INC$30.1M1.55%30,595,000CommonSOLE
743315103PGRPROGRESSIVE CORP$28.7M1.48%144,766CommonSOLE
45866F104ICEINTERCONTINENTAL EXCHANGE IN$27.8M1.43%176,898CommonSOLE
101137107BSXBOSTON SCIENTIFIC CORP$27.7M1.43%442,192CommonSOLE
31488V107FERGFERGUSON ENTERPRISES INC$27.5M1.42%117,703CommonSOLE
115236101BROBROWN & BROWN INC$25.9M1.34%397,311CommonSOLE
512816109LAMRLAMAR ADVERTISING CO$25.5M1.31%201,236CommonSOLE
13646K108CPCANADIAN PACIFIC KANSAS CITY$25.3M1.31%322,243CommonSOLE
031100100AMEAMETEK INC$25.1M1.29%116,894CommonSOLE
244199105DEDEERE & CO$24.5M1.26%43,491CommonSOLE
00287Y109ABBVABBVIE INC$23.4M1.21%107,478CommonSOLE
097023105BABOEING CO$21.7M1.12%109,106CommonSOLE
74460D109PSAPUBLIC STORAGE OPER CO$21.3M1.10%78,807CommonSOLE
504922105LHLABCORP HOLDINGS INC$20.5M1.06%76,983CommonSOLE
806857108SLBSLB LIMITED$19.2M0.99%373,334CommonSOLE
62944T105NVRNVR INC$18.0M0.93%2,725CommonSOLE
871607107SNPSSYNOPSYS INC$17.5M0.90%44,034CommonSOLE
91688FAB0UPWK 0.25 08/15/26UPWORK INC$14.4M0.74%14,680,000CommonSOLE
30303M102METAMETA PLATFORMS INC$14.3M0.74%25,052CommonSOLE
53190C102LTHLIFE TIME GROUP HOLDINGS INC$14.0M0.72%519,560CommonSOLE
05465C100AXAXOS FINANCIAL INC$13.9M0.72%163,740CommonSOLE
40131M109GHGUARDANT HEALTH INC$13.8M0.71%148,946CommonSOLE
125141101CECOCECO ENVIRONMENTAL CORP$13.5M0.70%226,617CommonSOLE
918284100VSECVSE CORP$13.4M0.69%72,624CommonSOLE
92346J108VCELVERICEL CORP$12.9M0.67%401,045CommonSOLE
66987V109NVSNOVARTIS AG$12.8M0.66%83,792CommonSOLE
67000B104NOVTNOVANTA INC$12.6M0.65%107,050CommonSOLE
219948106CPAYCORPAY INC$12.2M0.63%41,867CommonSOLE
147448104CWSTCASELLA WASTE SYS INC$11.8M0.61%148,270CommonSOLE
037833100AAPLAPPLE INC$11.6M0.60%45,576CommonSOLE
759916109RGENREPLIGEN CORP$10.9M0.56%92,220CommonSOLE
377322102GKOSGLAUKOS CORP$10.2M0.53%94,863CommonSOLE
90184D100TWSTTWIST BIOSCIENCE CORP$10.0M0.52%211,158CommonSOLE
04963C209ATRCATRICURE INC$10.0M0.51%349,645CommonSOLE
25402D102DOCNDIGITALOCEAN HLDGS INC$9.9M0.51%115,965CommonSOLE
65290E101NXTNEXTPOWER INC$9.9M0.51%82,335CommonSOLE
518415104LSCCLATTICE SEMICONDUCTOR CORP$9.8M0.51%105,910CommonSOLE
78473E103SPXCSPX TECHNOLOGIES INC$9.8M0.51%48,982CommonSOLE
33767E202FSVFIRSTSERVICE CORP NEW$9.0M0.46%64,884CommonSOLE
228903100AORTARTIVION INC$8.8M0.45%240,217CommonSOLE
82982T106SITMSITIME CORP$8.7M0.45%25,137CommonSOLE
099406100BOOTBOOT BARN HLDGS INC$8.6M0.44%58,680CommonSOLE
90138F102TWLOTWILIO INC$8.3M0.43%65,930CommonSOLE
69753M105PLMRPALOMAR HLDGS INC$8.1M0.42%68,090CommonSOLE
55405Y100MTSIMACOM TECH SOLUTIONS HLDGS I$8.1M0.42%36,543CommonSOLE
433313103HNGEHINGE HEALTH INC$8.1M0.42%210,270CommonSOLE
53947R105LOARLOAR HOLDINGS INC$7.9M0.41%138,370CommonSOLE
607828100MODMODINE MFG CO$7.4M0.38%34,224CommonSOLE
893529107TRNSTRANSCAT INC$7.4M0.38%100,462CommonSOLE
750917106RMBSRAMBUS INC DEL$7.3M0.38%84,930CommonSOLE
29786AAN6ETSY 0.25 06/15/28ETSY INC$6.9M0.36%7,750,000CommonSOLE
148929102CAVACAVA GROUP INC$6.8M0.35%83,695CommonSOLE
14154A102CDNLCARDINAL INFRASTRUCTURE GROU$6.7M0.35%169,936CommonSOLE
01625V104ALHCALIGNMENT HEALTHCARE INC$6.1M0.32%346,985CommonSOLE
19240Q201COGTCOGENT BIOSCIENCES INC$5.8M0.30%150,810CommonSOLE
90041L105TPBTURNING PT BRANDS INC$5.1M0.26%58,875CommonSOLE
16935C109CHYMCHIME FINL INC$3.8M0.20%205,050CommonSOLE
81764X103TTANSERVICETITAN INC$3.8M0.19%59,480CommonSOLE
31188V100FSLYFASTLY INC$3.6M0.19%125,495CommonSOLE
084670108BRK/ABERKSHIRE HATHAWAY INC DEL$3.6M0.19%5CommonSOLE
052769106ADSKAUTODESK INC$3.4M0.17%14,000CommonSOLE
293792107EPDENTERPRISE PRODS PARTNERS L$3.3M0.17%87,815CommonSOLE
00827B106AFRMAFFIRM HLDGS INC$2.8M0.14%60,760CommonSOLE
74276L105PRCTPROCEPT BIOROBOTICS CORP$2.5M0.13%101,325CommonSOLE
084670702BRK/BBERKSHIRE HATHAWAY INC DEL$2.5M0.13%5,284CommonSOLE
742718109PGPROCTER & GAMBLE CO$2.3M0.12%16,118CommonSOLE
82706C108SIMOSILICON MOTION TECHNOLOGY CO$2.1M0.11%18,660CommonSOLE
30231G102XOMEXXON MOBIL CORP$1.8M0.09%10,797CommonSOLE
98138H101WDAYWORKDAY INC$1.7M0.09%12,743CommonSOLE
808524102SCHBSCHWAB STRATEGIC TR$1.4M0.07%57,722CommonSOLE
02079K305GOOGLALPHABET INC$1.4M0.07%4,978CommonSOLE
303250104FICOFAIR ISAAC CORP$1.4M0.07%1,292CommonSOLE
69608A108PLTRPALANTIR TECHNOLOGIES INC$1.3M0.07%9,202CommonSOLE
478160104JNJJOHNSON & JOHNSON$1.1M0.06%4,431CommonSOLE
922908363VOOVANGUARD INDEX FDS$1.0M0.05%1,738CommonSOLE
907818108UNPUNION PAC CORP$971,2080.05%4,003CommonSOLE
297178105ESSESSEX PPTY TR INC$968,0000.05%4,000CommonSOLE
81369Y803XLKSELECT SECTOR SPDR TR$688,6880.04%5,182CommonSOLE
33739H101FTGCFIRST TR EXCHANGE TRAD FD VI$685,5500.04%23,878CommonSOLE
46432F842IEFAISHARES TR$564,9070.03%6,240CommonSOLE
58933Y105MRKMERCK & CO INC$503,1730.03%4,183CommonSOLE
72201R783HYSPIMCO ETF TR$500,8600.03%5,370CommonSOLE
921909768VXUSVANGUARD STAR FDS$466,3040.02%6,047CommonSOLE
025816109AXPAMERICAN EXPRESS CO$458,2570.02%1,515CommonSOLE
189054109CLXCLOROX CO DEL$457,1120.02%4,411CommonSOLE
22160K105COSTCOSTCO WHOLESALE CORPORATION$453,3760.02%455CommonSOLE
46432F859ISTBISHARES TR$436,1400.02%9,000CommonSOLE
084423102WRBBERKLEY W R CORP$419,6190.02%6,331CommonSOLE
437076102HDHOME DEPOT INC$387,4330.02%1,178CommonSOLE
88160R101TSLATESLA INC$384,3900.02%1,034CommonSOLE
931142103WMTWALMART INC$381,7880.02%3,072CommonSOLE
617446448MSMORGAN STANLEY$374,8900.02%2,278CommonSOLE
949746101WMT2WELLS FARGO & CO$342,8800.02%4,307CommonSOLE
482480100KLACKLA CORP$320,9850.02%218CommonSOLE
75513E101RTXRTX CORPORATION$313,4620.02%1,625CommonSOLE
78468R663BILSPDR SERIES TRUST$308,3690.02%3,365CommonSOLE
68389X105ORCLORACLE CORP$271,4180.01%1,845CommonSOLE
17275R102CSCOCISCO SYS INC$237,9690.01%3,067CommonSOLE
224408104CRCRANE COMPANY$226,5750.01%1,325CommonSOLE
464287549IGMISHARES TR$223,9170.01%1,889CommonSOLE
009066101ABNBAIRBNB INC$216,5700.01%1,715CommonSOLE
369550108GDGENERAL DYNAMICS CORP$203,8730.01%594CommonSOLE
58155Q103MCKMCKESSON CORP$195,5710.01%226CommonSOLE
693475105PNCPNC FINL SVCS GROUP INC$190,1940.01%914CommonSOLE
78463V107GLDSPDR GOLD TR$183,7340.01%427CommonSOLE
921932828VIOOVANGUARD ADMIRAL FDS INC$177,0880.01%1,542CommonSOLE
872540109TJXTJX COS INC NEW$176,3090.01%1,104CommonSOLE
512807306LRCXLAM RESEARCH CORP$170,0730.01%796CommonSOLE
46120E602ISRGINTUITIVE SURGICAL INC$169,6440.01%368CommonSOLE
701094104PHPARKER-HANNIFIN CORP$167,4100.01%187CommonSOLE
655844108NSCNORFOLK SOUTHN CORP$167,0340.01%582CommonSOLE
92206C102VGSHVANGUARD SCOTTSDALE FDS$166,9560.01%2,852CommonSOLE
74762E102QUREQUANTA SVCS INC$164,7060.01%300CommonSOLE
874039100TSMTAIWAN SEMICONDUCTOR MANUFAC$159,8510.01%473CommonSOLE
254687106DISDISNEY WALT CO$154,2080.01%1,600CommonSOLE
172967424CCITIGROUP INC$149,0210.01%1,314CommonSOLE
92537N108VRTVERTIV HOLDINGS CO$145,0860.01%579CommonSOLE
064058100BKBANK NEW YORK MELLON CORP$142,2370.01%1,199CommonSOLE
67103H107ORLYOREILLY AUTOMOTIVE INC$139,8500.01%1,515CommonSOLE
922908652VXFVANGUARD INDEX FDS$138,4650.01%673CommonSOLE
74340W103PLDPROLOGIS INC.$134,8240.01%1,020CommonSOLE
002824100ABTABBOTT LABORATORIES$129,8780.01%1,265CommonSOLE
64110L106NFLXNETFLIX INC.$124,9950.01%1,300CommonSOLE
166764100CVXCHEVRON CORPORATION$123,7260.01%598CommonSOLE
008474108AEMAGNICO EAGLE MINES LTD$119,9610.01%591CommonSOLE
311900104FASTFASTENAL CO$118,4590.01%2,553CommonSOLE
679580100ODFLOLD DOMINION FREIGHT LINE IN$118,4120.01%606CommonSOLE
75524B104RBCRBC BEARINGS INC$115,1410.01%212CommonSOLE
22788C105CRWDCROWDSTRIKE HLDGS INC$111,6570.01%286CommonSOLE
09857L108BKNGBOOKING HOLDINGS INC$105,2580.01%25CommonSOLE
65345N106NNNEXTNAV INC$104,6590.01%6,533CommonSOLE
78409V104SPGIS&P GLOBAL INC$103,7830.01%244CommonSOLE
29084Q100EMEEMCOR GROUP INC$100,4100.01%136CommonSOLE
90353T100UBERUBER TECHNOLOGIES INC$95,5950.00%1,329CommonSOLE
86627T108SMMTSUMMIT THERAPEUTICS INC$94,8000.00%5,000CommonSOLE
422806109HEIHEICO CORP NEW$94,3250.00%344CommonSOLE
79466L302CRMSALESFORCE INC$93,7080.00%502CommonSOLE
571748102MRSHMARSH & MCLENNAN COS INC$88,9800.00%513CommonSOLE
41068X100HASIHA SUSTAINABLE INFRA CAP INC$87,8330.00%2,390CommonSOLE
459200101IBMINTERNATIONAL BUSINESS MACHS$85,8060.00%354CommonSOLE
91913Y100VLOVALERO ENERGY CORP$84,2540.00%341CommonSOLE
82846H405QXOQXO INC$82,4380.00%4,245CommonSOLE
666807102NOCNORTHROP GRUMMAN CORP$81,1870.00%119CommonSOLE
55087P104LYFTLYFT INC$81,1170.00%6,099CommonSOLE
754730109RJFRAYMOND JAMES FINL INC$81,0820.00%560CommonSOLE
01881G106ABALLIANCEBERNSTEIN HLDG L P$79,5230.00%2,124CommonSOLE
46438F101IBITISHARES BITCOIN TRUST ETF$77,4940.00%2,017CommonSOLE
12572Q105CMECME GROUP INC$76,2000.00%258CommonSOLE
55354G100MSCIMSCI INC$73,8440.00%137CommonSOLE
714266103PPTAPERPETUA RESOURCES CORP$73,7310.00%2,622CommonSOLE
29364G103ETRENTERGY CORP NEW$70,3370.00%626CommonSOLE
20825C104COPCONOCOPHILLIPS$67,4520.00%511CommonSOLE
464287200IVVISHARES TR$65,3210.00%100CommonSOLE
500767306KWEBKRANESHARES TRUST$65,1330.00%2,291CommonSOLE
149123101CATCATERPILLAR INC$64,4700.00%91CommonSOLE
595112103MUMICRON TECHNOLOGY INC$64,1900.00%190CommonSOLE
29472R108ELSEQUITY LIFESTYLE PROPERTIES$62,9190.00%1,008CommonSOLE
922908736VUGVANGUARD INDEX FDS$62,6370.00%143CommonSOLE
74164F103PRIMPRIMORIS SVCS CORP$61,6500.00%431CommonSOLE
64440N103NFGCNEW FOUND GOLD CORP$60,6250.00%31,250CommonSOLE
09290D101BLKBLACKROCK INC$59,6260.00%62CommonSOLE
718172109PMPHILIP MORRIS INTL INC$59,0260.00%357CommonSOLE
26884L109EQTEQT CORP$58,6120.00%921CommonSOLE
296315104ESEESCO TECHNOLOGIES INC$57,6810.00%205CommonSOLE
82509L107SHOPSHOPIFY INC$54,9210.00%463CommonSOLE
81762P102NOWSERVICENOW INC$54,8890.00%525CommonSOLE
231021106CMICUMMINS INC$51,1120.00%95CommonSOLE
45687V106IRINGERSOLL RAND INC$50,5560.00%631CommonSOLE
451107106IDAIDACORP INC$50,3250.00%352CommonSOLE
443201108HWMHOWMET AEROSPACE INC$47,9360.00%208CommonSOLE
571903202MARMARRIOTT INTL INC NEW$47,0980.00%144CommonSOLE
631103108NDAQNASDAQ INC$45,7560.00%539CommonSOLE
82835W108SPRYARS PHARMACEUTICALS INC$45,0480.00%5,610CommonSOLE
883556102TMOTHERMO FISHER SCIENTIFIC INC$43,2550.00%88CommonSOLE
00724F101ADBEADOBE INC$42,7820.00%176CommonSOLE
197236102COLBCOLUMBIA BKG SYS INC$42,5990.00%1,553CommonSOLE
94106L109WMWASTE MGMT INC DEL$41,5920.00%181CommonSOLE
69370C100PTCPTC INC$41,1800.00%289CommonSOLE
031162100AMGNAMGEN INC$41,1660.00%117CommonSOLE
573284106MLMMARTIN MARIETTA MATLS INC$40,0300.00%68CommonSOLE
294429105EFXEQUIFAX INC$37,8150.00%210CommonSOLE
00846U101AAGILENT TECHNOLOGIES INC$36,9300.00%324CommonSOLE
38141G104GSGOLDMAN SACHS GROUP INC$36,3780.00%43CommonSOLE
016255101ALGNALIGN TECHNOLOGY INC$36,1720.00%211CommonSOLE
337738108FISVFISERV INC$35,9910.00%645CommonSOLE
713448108PEPPEPSICO INC$35,7170.00%230CommonSOLE
882508104TXNTEXAS INSTRS INC$34,9450.00%180CommonSOLE
759509102RSRELIANCE INC$33,7350.00%111CommonSOLE
74348A467NOBLPROSHARES TR$33,6730.00%318CommonSOLE
11133T103BRBROADRIDGE FINL SOLUTIONS IN$32,3340.00%199CommonSOLE
697435105PANWPALO ALTO NETWORKS INC$32,0640.00%200CommonSOLE
142339100CSLCARLISLE COS INC$32,0280.00%96CommonSOLE
007903107AMDADVANCED MICRO DEVICES INC$30,5150.00%150CommonSOLE
09261X102BXSLBLACKSTONE SECD LENDING FD$30,1340.00%1,272CommonSOLE
860630102SFSTIFEL FINL CORP$23,5070.00%318CommonSOLE
87261Y106TMCTMC THE METALS COMPANY INC$21,8320.00%4,675CommonSOLE
74587B101PLSEPULSE BIOSCIENCES INC$21,5900.00%1,000CommonSOLE
50212V100LPLALPL FINL HLDGS INC$21,0580.00%70CommonSOLE
83304A106SNAPSNAP INC$18,4000.00%4,000CommonSOLE
76954A103RIVNRIVIAN AUTOMOTIVE INC$17,6840.00%1,175CommonSOLE
22160N109CSGPCOSTAR GROUP INC$13,1510.00%326CommonSOLE
46438R105ETHAISHARES ETHEREUM TR$11,6350.00%735CommonSOLE
65250K105NMAXNEWSMAX INC$11,0660.00%2,120CommonSOLE
92532F100VRTXVERTEX PHARMACEUTICALS INC$9,3770.00%21CommonSOLE

Source: SEC EDGAR · raw 13F holdings as filed. The Class column shows the option type when reported (Put/Call) or Common when the issuer's equity is held directly. 13F discloses long positions only.