Holders — by stockHoldings — by fund
OSTERWEIS CAPITAL MANAGEMENT INC
Everything this manager disclosed owning in US-listed stocks — its complete Form 13F portfolio · as of 2026-06-30 · filed with the SEC up to 45 days after quarter end · CIK 1007524
$2.12B
disclosed book value
231
positions
5.4%
largest position share
Positions, as of 2026-06-30
top 100 of 231 · 13F covers long US-listed positions only — cash, bonds, private and foreign stakes are not disclosed · PUT/CALL tags = options positions (share-equivalents), not shares held
| # | Issuer | Shares | Value | % of book |
|---|---|---|---|---|
| 1 | GOOGALPHABET INC | 322,182 | $113.8M | 5.4% |
| 2 | AAPLAPPLE INC | 239,818 | $69.4M | 3.3% |
| 3 | VAC 3.25 12/15/27MARRIOTT VACATIONS WORLDWIDE | 63.3M | $62.2M | 2.9% |
| 4 | AMZNAMAZON COM INC | 252,721 | $60.2M | 2.8% |
| 5 | AMATAPPLIED MATLS INC | 81,318 | $58.8M | 2.8% |
| 6 | AFFIRM HLDGS INC | 57.5M | $56.6M | 2.7% |
| 7 | ADIANALOG DEVICES INC | 135,169 | $53.7M | 2.5% |
| 8 | MSFTMICROSOFT CORP | 140,900 | $52.6M | 2.5% |
| 9 | LLYELI LILLY & CO | 43,596 | $52.3M | 2.5% |
| 10 | AVGOBROADCOM INC | 135,358 | $51.1M | 2.4% |
| 11 | VVISA INC | 142,213 | $48.8M | 2.3% |
| 12 | WCNWASTE CONNECTIONS INC | 278,498 | $46.4M | 2.2% |
| 13 | JPMJPMORGAN CHASE & CO | 140,002 | $45.8M | 2.2% |
| 14 | NVDANVIDIA CORPORATION | 222,332 | $44.5M | 2.1% |
| 15 | PEB 1.75 12/15/26PEBBLEBROOK HOTEL TR | 40.6M | $40.3M | 1.9% |
| 16 | AZOAUTOZONE INC | 12,513 | $40.0M | 1.9% |
| 17 | USFDUS FOODS HLDG CORP | 353,146 | $36.1M | 1.7% |
| 18 | DHRDANAHER CORP DEL | 186,015 | $35.4M | 1.7% |
| 19 | REDFIN CORP | 35.4M | $34.1M | 1.6% |
| 20 | ABBVABBVIE INC | 134,915 | $34.0M | 1.6% |
| 21 | TRNOTERRENO RLTY CORP | 508,667 | $32.9M | 1.6% |
| 22 | AWKAMERICAN WTR WKS CO INC NEW | 249,175 | $32.8M | 1.5% |
| 23 | BABOEING CO | 146,792 | $31.8M | 1.5% |
| 24 | PGRPROGRESSIVE CORP | 142,193 | $31.1M | 1.5% |
| 25 | LAMRLAMAR ADVERTISING CO | 197,476 | $30.8M | 1.5% |
| 26 | ZIFF DAVIS INC | 30.6M | $30.3M | 1.4% |
| 27 | BSXBOSTON SCIENTIFIC CORP | 708,949 | $30.3M | 1.4% |
| 28 | SNPSSYNOPSYS INC | 67,599 | $30.2M | 1.4% |
| 29 | AMEAMETEK INC | 115,696 | $28.0M | 1.3% |
| 30 | FERGFERGUSON ENTERPRISES INC | 115,641 | $27.4M | 1.3% |
| 31 | DEDEERE & CO | 43,068 | $27.3M | 1.3% |
| 32 | NVRNVR INC | 3,962 | $27.0M | 1.3% |
| 33 | CPCANADIAN PACIFIC KANSAS CITY | 304,752 | $26.4M | 1.2% |
| 34 | AJGGALLAGHER ARTHUR J & CO | 91,965 | $21.1M | 1% |
| 35 | APDAIR PRODUCTS AND CHEMICALS I | 70,429 | $20.6M | 1% |
| 36 | VCELVERICEL CORP | 398,365 | $17.7M | 0.8% |
| 37 | LTHLIFE TIME GROUP HOLDINGS INC | 429,210 | $17.5M | 0.8% |
| 38 | SPXCSPX TECHNOLOGIES INC | 71,108 | $17.4M | 0.8% |
| 39 | NOVTNOVANTA INC | 105,125 | $17.1M | 0.8% |
| 40 | CARDINAL INFRASTRUCTURE GROU | 179,516 | $16.9M | 0.8% |
| 41 | SLBSLB LIMITED | 363,472 | $16.9M | 0.8% |
| 42 | TWLOTWILIO INC | 80,590 | $16.6M | 0.8% |
| 43 | VSECVSE CORP | 71,699 | $16.4M | 0.8% |
| 44 | AXAXOS FINANCIAL INC | 165,685 | $16.1M | 0.8% |
| 45 | LOARLOAR HOLDINGS INC | 188,865 | $15.2M | 0.7% |
| 46 | RGENREPLIGEN CORP | 110,995 | $15.1M | 0.7% |
| 47 | KEYSKEYSIGHT TECHNOLOGIES INC | 42,323 | $14.8M | 0.7% |
| 48 | GHGUARDANT HEALTH INC | 97,320 | $14.6M | 0.7% |
| 49 | UPWORK INC | 14.7M | $14.6M | 0.7% |
| 50 | BROSDUTCH BROS INC | 201,610 | $14.5M | 0.7% |
| 51 | ALHCALIGNMENT HEALTHCARE INC | 604,000 | $14.4M | 0.7% |
| 52 | DOCNDIGITALOCEAN HLDGS INC | 91,535 | $14.4M | 0.7% |
| 53 | ATRCATRICURE INC | 501,355 | $14.0M | 0.7% |
| 54 | METAMETA PLATFORMS INC | 24,876 | $14.0M | 0.7% |
| 55 | CPAYCORPAY INC | 40,873 | $13.6M | 0.6% |
| 56 | WORKIVA INC | 13.4M | $13.4M | 0.6% |
| 57 | BOOTBOOT BARN HLDGS INC | 81,015 | $13.3M | 0.6% |
| 58 | FSVFIRSTSERVICE CORP NEW | 91,739 | $13.0M | 0.6% |
| 59 | NVSNOVARTIS AG | 82,396 | $12.9M | 0.6% |
| 60 | AFRMAFFIRM HLDGS INC | 157,605 | $12.9M | 0.6% |
| 61 | SITMSITIME CORP | 16,670 | $12.4M | 0.6% |
| 62 | TRNSTRANSCAT INC | 132,797 | $12.3M | 0.6% |
| 63 | LSCCLATTICE SEMICONDUCTOR CORP | 79,865 | $12.2M | 0.6% |
| 64 | CWSTCASELLA WASTE SYS INC | 123,055 | $11.9M | 0.6% |
| 65 | TWSTTWIST BIOSCIENCE CORP | 111,458 | $11.5M | 0.5% |
| 66 | MUMICRON TECHNOLOGY INC | 8,964 | $10.3M | 0.5% |
| 67 | SMTCSEMTECH CORP | 60,445 | $9.8M | 0.5% |
| 68 | MTSIMACOM TECH SOLUTIONS HLDGS I | 25,396 | $9.7M | 0.5% |
| 69 | TTANSERVICETITAN INC | 135,580 | $9.6M | 0.5% |
| 70 | ICEINTERCONTINENTAL EXCHANGE IN | 76,744 | $9.4M | 0.4% |
| 71 | NXTNEXTPOWER INC | 74,675 | $8.9M | 0.4% |
| 72 | HNGEHINGE HEALTH INC | 103,545 | $8.6M | 0.4% |
| 73 | NAVNNAVAN INC | 337,640 | $7.7M | 0.4% |
| 74 | BACBANK OF AMER CORP | 128,256 | $7.3M | 0.3% |
| 75 | ETSY 0.25 06/15/28ETSY INC | 7.8M | $7.1M | 0.3% |
| 76 | LHLABCORP HOLDINGS INC | 25,240 | $7.1M | 0.3% |
| 77 | PSAPUBLIC STORAGE | 20,963 | $6.7M | 0.3% |
| 78 | COGTCOGENT BIOSCIENCES INC | 172,085 | $6.7M | 0.3% |
| 79 | DAVEDAVE INC | 17,672 | $6.6M | 0.3% |
| 80 | MAYVILLE ENGR CO INC | 174,600 | $6.5M | 0.3% |
| 81 | AGYSAGILYSYS INC | 62,440 | $6.5M | 0.3% |
| 82 | LHXL3HARRIS TECHNOLOGIES INC | 22,267 | $6.5M | 0.3% |
| 83 | TPBTURNING PT BRANDS INC | 76,076 | $6.5M | 0.3% |
| 84 | WAYWAYSTAR HLDG CORP | 281,360 | $5.8M | 0.3% |
| 85 | GKOSGLAUKOS CORP | 40,539 | $5.7M | 0.3% |
| 86 | GLXYGALAXY DIGITAL INC. | 194,339 | $5.3M | 0.3% |
| 87 | CECOCECO ENVIRONMENTAL CORP | 51,772 | $4.7M | 0.2% |
| 88 | ARWRARROWHEAD PHARMACEUTICALS IN | 50,315 | $4.1M | 0.2% |
| 89 | PRCTPROCEPT BIOROBOTICS CORP | 167,095 | $3.8M | 0.2% |
| 90 | BRK/ABERKSHIRE HATHAWAY INC DEL | 5 | $3.7M | 0.2% |
| 91 | CHYMCHIME FINL INC | 164,890 | $3.4M | 0.2% |
| 92 | EPDENTERPRISE PRODS PARTNERS L | 87,815 | $3.2M | 0.2% |
| 93 | BRK/BBERKSHIRE HATHAWAY INC DEL | 5,192 | $2.6M | 0.1% |
| 94 | PGPROCTER & GAMBLE CO | 15,963 | $2.3M | 0.1% |
| 95 | ADSKAUTODESK INC | 12,000 | $2.3M | 0.1% |
| 96 | GOOGLALPHABET INC | 4,511 | $1.6M | 0.1% |
| 97 | VOOVANGUARD INDEX FDS | 2,317 | $1.6M | 0.1% |
| 98 | FICOFAIR ISAAC CORP | 1,292 | $1.5M | 0.1% |
| 99 | SCHBSCHWAB STRATEGIC TR | 49,067 | $1.4M | 0.1% |
| 100 | EXMOCEXXON MOBIL CORP | 9,494 | $1.3M | 0.1% |
Source: SEC Form 13F-HR, reporting period 2026-06-30. Values are the manager's filed June-30-style quarter-end marks, not live prices. Research, not investment advice.