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OSTERWEIS CAPITAL MANAGEMENT INC

Period ended Jun 30, 2026 · Latest filing Aug 14, 2026

These quarterly holdings are delayed and may not include all assets or short positions. Values are from the reporting date, not current prices or purchase costs. The same security may appear in multiple rows.

Source: SEC

Reported portfolio value

Quarter-end reported holdings; not current value or investment performance.

View reported values
  • Sep 30, 2024: $1,973,932,473
  • Dec 31, 2024: $2,149,101,752
  • Mar 31, 2025: $2,026,050,307
  • Jun 30, 2025: $2,090,086,624
  • Sep 30, 2025: $2,215,909,888
  • Dec 31, 2025: $2,362,738,606
  • Mar 31, 2026: $1,938,865,854
  • Jun 30, 2026: $2,120,950,602

Top holdings

Top 10 at Jun 30, 2026. Matching entries are combined; security classes and options remain separate. Shares exclude principal amounts; option shares reflect the reported underlying amount.

View top holdings values
  1. ALPHABET INC · CAP STK CL C · 02079K107 · shares: $113,836,566
  2. APPLE INC · COM · 037833100 · shares: $69,393,693
  3. MARRIOTT VACATIONS WORLDWIDE · NOTE 3.250%12/1 · 57164YAF4 · principal: $62,216,210
  4. AMAZON COM INC · COM · 023135106 · shares: $60,233,523
  5. APPLIED MATLS INC · COM · 038222105 · shares: $58,792,914
  6. AFFIRM HLDGS INC · NOTE 11/1 · 00827BAB2 · principal: $56,637,500
  7. ANALOG DEVICES INC · COM · 032654105 · shares: $53,685,072
  8. MICROSOFT CORP · COM · 594918104 · shares: $52,558,517
  9. ELI LILLY & CO · COM · 532457108 · shares: $52,290,350
  10. BROADCOM INC · COM · 11135F101 · shares: $51,131,484

Reported holdings

280 reported entries
IssuerClassCUSIPTypeShares / principalReported value (USD)
NVR INCCOM62944T105 — 963 shares $6,561,304
MAYVILLE ENGR CO INCCOM578605107 — 174,600 shares $6,540,516
AGILYSYS INCCOM00847J105 — 62,440 shares $6,524,980
BANK OF AMER CORPCOM060505104 — 114,156 shares $6,504,609
INTERCONTINENTAL EXCHANGE INCOM45866F104 — 52,664 shares $6,483,465
TURNING PT BRANDS INCCOM90041L105 — 76,076 shares $6,452,006
CANADIAN PACIFIC KANSAS CITYCOM13646K108 — 74,222 shares $6,431,336
FERGUSON ENTERPRISES INCCOMMON STOCK NEW31488V107 — 26,730 shares $6,343,831
AIR PRODUCTS AND CHEMICALS ICOM009158106 — 21,538 shares $6,314,511
LABCORP HOLDINGS INCCOM SHS504922105 — 20,937 shares $5,862,360
WAYSTAR HLDG CORPCOM946784105 — 281,360 shares $5,776,321
GLAUKOS CORPCOM377322102 — 40,539 shares $5,665,731
L3HARRIS TECHNOLOGIES INCCOM502431109 — 18,751 shares $5,448,853
GALAXY DIGITAL INC.CL A36317J209 — 194,339 shares $5,313,228
PUBLIC STORAGECOM74460D109 — 15,822 shares $5,036,301
GALLAGHER ARTHUR J & COCOM363576109 — 21,786 shares $5,001,412
CECO ENVIRONMENTAL CORPCOM125141101 — 51,772 shares $4,697,791
CORPAY INCCOM SHS219948106 — 12,404 shares $4,133,881
ARROWHEAD PHARMACEUTICALS INCOM04280A100 — 50,315 shares $4,101,176
SLB LIMITEDCOM STK806857108 — 88,083 shares $4,094,979
PROCEPT BIOROBOTICS CORPCOM74276L105 — 167,095 shares $3,773,005
CHIME FINL INCCOM SHS CL A16935C109 — 164,890 shares $3,376,947
KEYSIGHT TECHNOLOGIES INCCOM49338L103 — 9,472 shares $3,315,863
BERKSHIRE HATHAWAY INC DELCL A084670108 — 4 shares $2,995,400
INTERCONTINENTAL EXCHANGE INCOM45866F104 — 24,080 shares $2,964,489
MICRON TECHNOLOGY INCCOM595112103 — 2,464 shares $2,844,171
BERKSHIRE HATHAWAY INC DELCL B NEW084670702 — 5,192 shares $2,598,025
ENTERPRISE PRODS PARTNERS LCOM293792107 — 68,720 shares $2,526,147
AUTODESK INCCOM052769106 — 12,000 shares $2,333,040
NOVARTIS AGSPONSORED ADR66987V109 — 14,412 principal $2,258,649
PROCTER & GAMBLE COCOM742718109 — 11,447 shares $1,678,588
PUBLIC STORAGECOM74460D109 — 5,141 shares $1,636,432
ALPHABET INCCAP STK CL A02079K305 — 4,511 shares $1,612,096
VANGUARD INDEX FDSS&P 500 ETF SHS922908363 — 2,317 principal $1,591,490
FAIR ISAAC CORPCOM303250104 — 1,292 shares $1,543,656
SCHWAB STRATEGIC TRUS BRD MKT ETF808524102 — 49,067 principal $1,420,980
LABCORP HOLDINGS INCCOM SHS504922105 — 4,303 shares $1,204,840
ESSEX PPTY TR INCCOM297178105 — 4,000 shares $1,166,360
UNION PAC CORPCOM907818108 — 4,003 shares $1,088,816
PALANTIR TECHNOLOGIES INCCL A69608A108 — 9,042 shares $1,054,930
L3HARRIS TECHNOLOGIES INCCOM502431109 — 3,516 shares $1,021,714
SELECT SECTOR SPDR TRST STR TECHN ETF81369Y803 — 5,182 principal $987,275
EXXON MOBIL CORPCOM30231G102 — 6,257 shares $855,457
BANK OF AMER CORPCOM060505104 — 14,100 shares $803,418
WORKDAY INCCL A98138H101 — 6,493 shares $794,873
BERKSHIRE HATHAWAY INC DELCL A084670108 — 1 shares $748,850
ENTERPRISE PRODS PARTNERS LCOM293792107 — 19,095 shares $701,932
JOHNSON & JOHNSONCOM478160104 — 2,651 shares $673,274
PROCTER & GAMBLE COCOM742718109 — 4,516 shares $662,226
KLA CORPCOM NEW482480100 — 2,180 shares $657,728
FIRST TR EXCHANGE TRAD FD VIFST TR GLB FD33739H101 — 19,412 principal $525,107
AMERICAN EXPRESS COCOM025816109 — 1,515 shares $512,449
PIMCO ETF TR0-5 HIGH YIELD72201R783 — 5,370 principal $502,202
VANGUARD STAR FDSVG TL INTL STK F921909768 — 5,371 principal $459,163
JOHNSON & JOHNSONCOM478160104 — 1,780 shares $452,067
BERKLEY W R CORPCOM084423102 — 6,331 shares $446,525
MORGAN STANLEYCOM NEW617446448 — 2,128 shares $444,837
EXXON MOBIL CORPCOM30231G102 — 3,237 shares $442,563
ISHARES TRCORE 1 5 YR USD46432F859 — 9,000 principal $434,250
CLOROX CO DELCOM189054109 — 4,411 shares $420,986
INVESCO QQQ TRUNIT SER 146090E103 — 551 principal $405,756
COSTCO WHOLESALE CORPORATIONCOM22160K105 — 432 shares $404,123
HOME DEPOT INCCOM437076102 — 1,089 shares $384,069
CISCO SYS INCCOM17275R102 — 3,067 shares $360,250
WALMART INCCOM931142103 — 3,072 shares $347,935
LAM RESEARCH CORPCOM NEW512807306 — 796 shares $344,931
ISHARES TREXPND TEC SC ETF464287549 — 2,005 principal $327,966
RTX CORPORATIONCOM75513E101 — 1,436 shares $272,452
ORACLE CORPCOM68389X105 — 1,845 shares $270,385
AIRBNB INCCOM CL A009066101 — 1,715 shares $245,417
CRANE COMPANYCOMMON STOCK224408104 — 1,095 shares $244,262
TESLA INCCOM88160R101 — 534 shares $224,600
CROWDSTRIKE HLDGS INCCL A22788C105 — 286 shares $218,258
QUANTA SVCS INCCOM74762E102 — 300 shares $216,012
ISHARES TRCORE MSCI EAFE46432F842 — 2,210 principal $213,442
VANGUARD INDEX FDSEXTEND MKT ETF922908652 — 858 principal $211,196
TESLA INCCOM88160R101 — 500 shares $210,300
VANGUARD INDEX FDSGROWTH ETF922908736 — 2,310 principal $198,973
VERTIV HOLDINGS COCOM CL A92537N108 — 579 shares $193,861
VANGUARD ADMIRAL FDS INCSMLLCP 600 IDX921932828 — 1,342 principal $184,603
CITIGROUP INCCOM NEW172967424 — 1,314 shares $183,907
NORFOLK SOUTHN CORPCOM655844108 — 582 shares $183,091
PARKER-HANNIFIN CORPCOM701094104 — 187 shares $182,908
MCKESSON CORPCOM58155Q103 — 226 shares $170,766
TJX COS INC NEWCOM872540109 — 1,104 shares $167,256
MERCK & CO INCCOM58933Y105 — 1,260 shares $161,910
MERCK & CO INCCOM58933Y105 — 1,251 shares $160,754
SPDR GOLD TRGOLD SHS78463V107 — 427 principal $157,298
MARRIOTT INTL INC NEWCL A571903202 — 420 shares $155,648
WELLS FARGO & COCOM949746101 — 1,783 shares $147,347
INTUITIVE SURGICAL INCCOM NEW46120E602 — 368 shares $146,346
SPDR SERIES TRUSTST STR BLO 1 ETF78468R663 — 1,582 principal $144,974
OREILLY AUTOMOTIVE INCCOM67103H107 — 1,515 shares $139,516
PROLOGIS INC.COM74340W103 — 1,020 shares $138,179
TAIWAN SEMICONDUCTOR MANUFACSPONSORED ADS874039100 — 281 principal $134,197
FASTENAL COCOM311900104 — 2,553 shares $122,621
BANK OF NY MELLON CORPCOM064058100 — 808 shares $116,845
DISNEY WALT COCOM254687106 — 1,205 shares $115,981
VANGUARD BD INDEX FDSTOTAL BND MRKT921937835 — 1,578 principal $115,845
ABBOTT LABORATORIESCOM002824100 — 1,265 shares $114,786