Arkolith/Funds/OSTERWEIS CAPITAL MANAGEMENT INC

OSTERWEIS CAPITAL MANAGEMENT INC

CIK: 1007524Q1 2026
Active Filer
Portfolio Value
$1.9B
Positions
351
New Buys
20
74 sold
Changes
55 ↑ / 102 ↓

Top HoldingsQ1 2026

351 total positions
#SecurityValueShares% PortChangeΔ Shares
1ALPHABET INC
CAP STK CL C
$70.1M244.5K3.6%
REDUCED
-21,510
2AFFIRM HLDGS INC
NOTE 11/1
$55.8M57.50M2.9%
NEW
—
3MARRIOTT VACATIONS WORLDWIDE
NOTE 3.250%12/1
$48.1M50.00M2.5%
NEW
—
4JBT MAREL CORPORATION
NOTE 0.250% 5/1
$41.2M41.28M2.1%
ADDED
+37.19M
5AMAZON COM INC
COM
$41.1M197.4K2.1%
REDUCED
-58,265
6MICROSOFT CORP
COM
$41.0M110.7K2.1%
REDUCED
-23,220
7APPLIED MATLS INC
COM
$38.0M111.1K2.0%
ADDED
+74.8K
8BROADCOM INC
COM
$37.0M119.5K1.9%
ADDED
+76.0K
9ANALOG DEVICES INC
COM
$36.0M113.2K1.9%
ADDED
+74.7K
10PENN ENTERTAINMENT INC
NOTE 2.750% 5/1
$35.5M35.45M1.8%
NEW
—
11Q2 HLDGS INC
NOTE 0.750% 6/0
$35.3M35.43M1.8%
NEW
—
12PEBBLEBROOK HOTEL TR
NOTE 1.750%12/1
$33.1M33.87M1.7%
ADDED
+25.00M
13VISA INC
COM CL A
$32.9M108.9K1.7%
ADDED
+2.9K
14JPMORGAN CHASE & CO
COM
$32.1M109.0K1.7%
ADDED
+76.2K
15AUTOZONE INC
COM
$31.7M9.4K1.6%
ADDED
+1.1K
16NVIDIA CORPORATION
COM
$31.1M178.4K1.6%
ADDED
+74.4K
17ZIFF DAVIS INC
NOTE 1.750%11/0
$30.1M30.59M1.6%
ADDED
+20.00M
18WASTE CONNECTIONS INC
COM
$29.6M182.2K1.5%
ADDED
+123.1K
19DANAHER CORP DEL
COM
$27.6M145.7K1.4%
ADDED
+3.3K
20TERRENO RLTY CORP
COM
$26.1M424.6K1.3%
REDUCED
-11,967
21AMERICAN WTR WKS CO INC NEW
COM
$25.4M186.7K1.3%
REDUCED
-32,510
22AIR PRODUCTS AND CHEMICALS I
COM
$25.0M85.9K1.3%
REDUCED
-23,223
23ELI LILLY & CO
COM
$24.8M26.9K1.3%
ADDED
+8.9K
24KEYSIGHT TECHNOLOGIES INC
COM
$24.6M87.2K1.3%
ADDED
+48.4K
25ALPHABET INC
CAP STK CL C
$23.7M82.7K1.2%
REDUCED
-183,310
Showing top 25 of 351 positions

Filing History

Q1 2026277 pos
$1.9B
Q4 2025331 pos
$2.4B

Data Source

Holdings data sourced from SEC EDGAR 13F-HR filings. Updated quarterly, approximately 45 days after quarter end. All data is public domain.

Last filed: May 15, 2026