OSTERWEIS CAPITAL MANAGEMENT INC — 13F Holdings & Portfolio
CIK 1007524 · latest 13F-HR filed 2026-05-15
OSTERWEIS CAPITAL MANAGEMENT INC manages $1.94B in 13F-reported U.S. long-equity assets across 277 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are GOOG (3.62%), AFRM (2.88%), VAC (2.48%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 18 new positions, exited 74, added to 68, and trimmed 101.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
$1.94B
Long-equity book
277
Distinct positions
2026-03-31
Filed 2026-05-15
+18 / −74 / ↑68 / ↓101
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- JBT MAREL CORPORATION$37.0M +883.0%
- PEBBLEBROOK HOTEL TR$24.5M +285.4%
- ABBVIE INC$22.5M +2627.4%
- ZIFF DAVIS INC$19.7M +189.5%
- NVIDIA CORPORATION$15.2M +61.4%
Top Trims
- MICROSOFT CORP-$31.9M -37.3%
- SALESFORCE INC-$25.8M -99.6%
- AMAZON COM INC-$23.7M -30.5%
- ALPHABET INC-$18.9M -16.7%
- BROADCOM INC-$15.0M -23.8%
New Positions
- AFFIRM HLDGS INC$55.8M
- MARRIOTT VACATIONS WORLDWIDE$48.1M
- PENN ENTERTAINMENT INC$35.5M
- Q2 HLDGS INC$35.3M
- PUBLIC STORAGE OPER CO$21.3M
Exited Positions
- AIRBNB INC$76.1M
- BENTLEY SYS INC$75.7M
- MARRIOTT VACATIONS WORLDWIDE$70.9M
- SUMMIT HOTEL PPTYS$70.3M
- CABLE ONE INC$69.4M
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | ALPHABET INC | GOOG | 02079K107 | $70.1M | 3.62% | 244,479 | SH |
| 2 | AFFIRM HLDGS INC | AFRM | 00827BAB2 | $55.8M | 2.88% | 57,500,000 | PRN |
| 3 | MARRIOTT VACATIONS WORLDWIDE | VAC | 57164YAF4 | $48.1M | 2.48% | 50,000,000 | PRN |
| 4 | JBT MAREL CORPORATION | JBTM | 477839AB0 | $41.2M | 2.13% | 41,279,000 | PRN |
| 5 | AMAZON COM INC | AMZN | 023135106 | $41.1M | 2.12% | 197,410 | SH |
| 6 | MICROSOFT CORP | MSFT | 594918104 | $41.0M | 2.11% | 110,676 | SH |
| 7 | APPLIED MATLS INC | AMAT | 038222105 | $38.0M | 1.96% | 111,051 | SH |
| 8 | BROADCOM INC | AVGO | 11135F101 | $37.0M | 1.91% | 119,513 | SH |
| 9 | ANALOG DEVICES INC | ADI | 032654105 | $36.0M | 1.86% | 113,174 | SH |
| 10 | PENN ENTERTAINMENT INC | PENN | 707569AU3 | $35.5M | 1.83% | 35,453,000 | PRN |
| 11 | Q2 HLDGS INC | QTWO | 74736LAD1 | $35.3M | 1.82% | 35,428,000 | PRN |
| 12 | PEBBLEBROOK HOTEL TR | PEB | 70509VAA8 | $33.1M | 1.71% | 33,871,000 | PRN |
| 13 | VISA INC | V | 92826C839 | $32.9M | 1.70% | 108,911 | SH |
| 14 | JPMORGAN CHASE & CO | JPM | 46625H100 | $32.1M | 1.65% | 108,981 | SH |
| 15 | AUTOZONE INC | AZO | 053332102 | $31.7M | 1.64% | 9,389 | SH |
| 16 | NVIDIA CORPORATION | NVDA | 67066G104 | $31.1M | 1.60% | 178,431 | SH |
| 17 | ZIFF DAVIS INC | ZD | 48123VAE2 | $30.1M | 1.55% | 30,595,000 | PRN |
| 18 | WASTE CONNECTIONS INC | WCN | 94106B101 | $29.6M | 1.53% | 182,188 | SH |
| 19 | DANAHER CORP DEL | DHR | 235851102 | $27.6M | 1.42% | 145,718 | SH |
| 20 | TERRENO RLTY CORP | TRNO | 88146M101 | $26.1M | 1.35% | 424,607 | SH |
| 21 | AMERICAN WTR WKS CO INC NEW | AWK | 030420103 | $25.4M | 1.31% | 186,680 | SH |
| 22 | AIR PRODUCTS AND CHEMICALS I | APD | 009158106 | $25.0M | 1.29% | 85,944 | SH |
| 23 | ELI LILLY & CO | LLY | 532457108 | $24.8M | 1.28% | 26,938 | SH |
| 24 | KEYSIGHT TECHNOLOGIES INC | KEYS | 49338L103 | $24.6M | 1.27% | 87,237 | SH |
| 25 | ALPHABET INC | GOOG | 02079K107 | $23.7M | 1.22% | 82,679 | SH |
| 26 | US FOODS HLDG CORP | USFD | 912008109 | $23.7M | 1.22% | 256,754 | SH |
| 27 | L3HARRIS TECHNOLOGIES INC | LHX | 502431109 | $23.6M | 1.22% | 68,365 | SH |
| 28 | FERGUSON ENTERPRISES INC | FERG | 31488V107 | $21.2M | 1.09% | 90,855 | SH |
| 29 | INTERCONTINENTAL EXCHANGE IN | ICE | 45866F104 | $21.0M | 1.08% | 133,518 | SH |
| 30 | BOSTON SCIENTIFIC CORP | BSX | 101137107 | $20.9M | 1.08% | 333,285 | SH |
| 31 | PROGRESSIVE CORP | PGR | 743315103 | $20.7M | 1.07% | 104,622 | SH |
| 32 | BROWN & BROWN INC | BRO | 115236101 | $19.8M | 1.02% | 303,261 | SH |
| 33 | CANADIAN PACIFIC KANSAS CITY | CP | 13646K108 | $19.4M | 1.00% | 247,117 | SH |
| 34 | AMETEK INC | AME | 031100100 | $19.0M | 0.98% | 88,633 | SH |
| 35 | LAMAR ADVERTISING CO | LAMR | 512816109 | $18.3M | 0.94% | 144,164 | SH |
| 36 | ABBVIE INC | ABBV | 00287Y109 | $17.9M | 0.92% | 82,446 | SH |
| 37 | DEERE & CO | DE | 244199105 | $17.6M | 0.91% | 31,273 | SH |
| 38 | ELI LILLY & CO | LLY | 532457108 | $16.4M | 0.85% | 17,850 | SH |
| 39 | BOEING CO | BA | 097023105 | $16.4M | 0.84% | 82,153 | SH |
| 40 | PUBLIC STORAGE OPER CO | PSA | 74460D109 | $16.0M | 0.82% | 58,990 | SH |
| 41 | LABCORP HOLDINGS INC | LH | 504922105 | $15.6M | 0.80% | 58,317 | SH |
| 42 | SLB LIMITED | SLB | 806857108 | $14.7M | 0.76% | 286,054 | SH |
| 43 | UPWORK INC | UPWK | 91688FAB0 | $14.4M | 0.74% | 14,680,000 | PRN |
| 44 | META PLATFORMS INC | META | 30303M102 | $14.3M | 0.74% | 25,052 | SH |
| 45 | LIFE TIME GROUP HOLDINGS INC | LTH | 53190C102 | $14.0M | 0.72% | 519,560 | SH |
| 46 | AXOS FINANCIAL INC | AX | 05465C100 | $13.9M | 0.72% | 163,740 | SH |
| 47 | NVR INC | NVR | 62944T105 | $13.9M | 0.72% | 2,114 | SH |
| 48 | GUARDANT HEALTH INC | GH | 40131M109 | $13.8M | 0.71% | 148,946 | SH |
| 49 | CECO ENVIRONMENTAL CORP | CECO | 125141101 | $13.5M | 0.70% | 226,617 | SH |
| 50 | SYNOPSYS INC | SNPS | 871607107 | $13.5M | 0.69% | 33,964 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-05-15 | $1.94B | 277 | 0001007524-26-000002 |
| 2025-12-31 | 2026-02-17 | $2.36B | 331 | 0001007524-26-000001 |
| 2025-09-30 | 2025-11-14 | $2.22B | 320 | 0001007524-25-000003 |