OSTGX
Osterweis Opportunity Fund
Professionally Managed Portfolios

Portfolio concentration

As of March 31, 2026 · N-PORT
Holdings
43
Top-10 weight
39.86%
Effective holdings ?
31
Crowding ?
370.8

Holdings

As of March 31, 2026 · N-PORT
#SecurityTickerSharesValue% of fund
1 Federated U.S. Treasury Cash Reserves UTIXX 27,342,833 $27.34M 9.51%
2 LIFE TIME GROUP HOLDINGS INC 390,980 $10.53M 3.67%
3 AXOS FINANCIAL INC 123,365 $10.50M 3.65%
4 GUARDANT HEALTH INC 112,200 $10.36M 3.61%
5 VSE CORP 52,521 $9.68M 3.37%
6 VERICEL CORP 300,640 $9.67M 3.37%
7 CECO ENVIRONMNTL 161,355 $9.61M 3.35%
8 FABRINET 17,556 $9.16M 3.19%
9 NOVANTA INC 75,795 $8.95M 3.12%
10 CASELLA WASTE SYS INC CL A 111,570 $8.85M 3.08%
11 GLAUKOS CORP 71,230 $7.67M 2.67%
12 REPLIGEN CORP 64,760 $7.63M 2.65%
13 ATRICURE INC 264,285 $7.54M 2.62%
14 DIGITALOCEAN HOLDINGS INC 87,665 $7.52M 2.62%
15 TWIST BIOSCIENCE CORP 158,005 $7.51M 2.61%
16 NEXTRACKER INC CL A 61,875 $7.46M 2.60%
17 LATTICE SEMICONDUCTOR CORP 80,065 $7.43M 2.58%
18 SPX TECHNOLOGIES INC 36,740 $7.35M 2.56%
19 FIRSTSERVICE-WI 48,920 $6.80M 2.37%
20 ARTIVION INC 180,842 $6.62M 2.30%
21 SITIME CORP 18,835 $6.50M 2.26%
22 BOOT BARN HOLDINGS INC 44,395 $6.50M 2.26%
23 MACOM TECHNOLOGY SOLUTIONS HOLDINGS INC 27,622 $6.13M 2.13%
24 HINGE HEALTH INC 158,995 $6.13M 2.13%
25 PALOMAR HOLDINGS 51,015 $6.10M 2.12%
26 TWILIO INC CLASS A 47,495 $5.98M 2.08%
27 MODINE MFG CO 25,887 $5.61M 1.95%
28 TRANSCAT INC 76,010 $5.58M 1.94%
29 RAMBUS INC 63,675 $5.48M 1.91%
30 LOAR HOLDINGS INC 92,560 $5.30M 1.85%
31 CAVA GROUP INC 63,275 $5.12M 1.78%
32 CARDINAL INFRA-A 128,455 $5.09M 1.77%
33 ALIGNMENT HEALTHCARE INC 262,285 $4.62M 1.61%
34 KESTRA MEDICAL TECHNOLOGIES INC 224,070 $4.47M 1.55%
35 COGENT BIOSCIENCES INC 113,670 $4.38M 1.52%
36 TURNING POINT BRANDS INC 44,550 $3.87M 1.35%
37 CHIME FINANCIAL INC 155,005 $2.90M 1.01%
38 FASTLY INC CL A 94,860 $2.76M 0.96%
39 Silicon Motion Technology Corp. SPONSORED ADR SIMO 15,715 $1.76M 0.61%
40 SERVICETITAN INC-A 22,890 $1.45M 0.51%
41 AFFIRM HOLDINGS INC 30,590 $1.40M 0.49%
42 PROCEPT BIOROBOTICS CORP 54,655 $1.37M 0.48%
43 NEUROPACE INC 74,885 $984.74K 0.34%

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