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OCM
Osterweis Capital Management Portfolio holdings
AUM
$2.12B
1-Year Est. Return
32.36%
This Fund
S&P 500
This Quarter
Est. Return
+21.23%
1 Year Est. Return
+32.36%
3 Year Est. Return
+93.72%
5 Year Est. Return
+113.14%
10 Year Est. Return
+557.09%
AUM
$2.12B
AUM Growth
+$182M
(+9.4%)
Cap. Flow
-$242M
Cap. Flow
% of AUM
-11.41%
Top 10 Holdings %
Top 10 Hldgs %
29.74%
Holding
242
New
14
Increased
25
Reduced
84
Closed
11
Avg Time Held
10.5
quarters
Top 10 Avg Time Held
10
quarters
Top 20 Avg Time Held
8.3
quarters
Top Buys
| Rank | Stock | Value |
|---|---|---|
| 1 |
Apple
AAPL
|
+$55.6M |
| 2 |
Arthur J. Gallagher & Co
AJG
|
+$19.5M |
| 3 |
Boston Scientific
BSX
|
+$14.5M |
| 4 |
Dutch Bros
BROS
|
+$11.6M |
| 5 |
Synopsys
SNPS
|
+$11.1M |
Top Sells
| Rank | Stock | Value |
|---|---|---|
| 1 |
Applied Materials
AMAT
|
+$28.1M |
| 2 |
Brown & Brown
BRO
|
+$25.9M |
| 3 |
Keysight
KEYS
|
+$24.9M |
| 4 |
L3Harris
LHX
|
+$21.5M |
| 5 |
Public Storage
PSA
|
+$17.7M |
Sector Composition
| Rank | Sector | Weight |
|---|---|---|
| 1 | Technology | 25.57% |
| 2 | Industrials | 14.09% |
| 3 | Healthcare | 13.95% |
| 4 | Miscellaneous | 12.58% |
| 5 | Financials | 9.75% |
| Name | Market Value | Portfolio Weight | Shares or Principal |
Change in Stake | Capital Flow | Held Since | |
|---|---|---|---|---|---|---|---|
51
FirstService
FSV
$5.67B
| $13M | 0.61% |
91,739
+26,855
| +41% | +$3.73M |
2019 Q3
27 quarters
|
|
52
Novartis
NVS
$271B
| – | – |
0
| – | – |
2023 Q2
12 quarters
|
|
53
Affirm
AFRM
$26.3B
| $12.9M | 0.61% |
157,605
+96,845
| +159% | +$6.33M |
2025 Q2
4 quarters
|
|
54
SiTime
SITM
$17.2B
| $12.4M | 0.59% |
16,670
-8,467
| -34% | -$5.34M |
2025 Q2
4 quarters
|
|
55
Transcat
TRNS
$808M
| $12.3M | 0.58% |
132,797
+32,335
| +32% | +$2.64M |
2026 Q1
1 quarter
|
|
56
Lattice Semiconductor
LSCC
$17.1B
| $12.2M | 0.58% |
79,865
-26,045
| -25% | -$3.36M |
2025 Q3
3 quarters
|
|
57
Casella Waste Systems
CWST
$5.38B
| $11.9M | 0.56% |
123,055
-25,215
| -17% | -$2.15M |
2025 Q3
3 quarters
|
|
58
Twist Bioscience
TWST
$10.2B
| $11.5M | 0.54% |
111,458
-99,700
| -47% | -$6.49M |
2025 Q4
2 quarters
|
|
59
Micron Technology
MU
$1.07T
| $10.3M | 0.49% |
8,964
+8,774
| +4,618% | +$6.58M |
2022 Q4
14 quarters
|
|
60
Semtech
SMTC
$15.9B
| $9.78M | 0.46% |
+60,445
| New | +$7.9M |
2026 Q2
0 quarters
|
|
61
MACOM Technology Solutions
MTSI
$23.1B
| $9.66M | 0.46% |
25,396
-11,147
| -31% | -$3.7M |
2025 Q3
3 quarters
|
|
62
ServiceTitan Inc
TTAN
$6.95B
| $9.59M | 0.45% |
135,580
+76,100
| +128% | +$4.9M |
2025 Q2
4 quarters
|
|
63
Intercontinental Exchange
ICE
$88.5B
| $9.45M | 0.45% |
76,744
-100,154
| -57% | -$15M |
2025 Q3
3 quarters
|
|
64
Nextpower Inc. Common Stock
NXT
$13.2B
| $8.9M | 0.42% |
74,675
-7,660
| -9% | -$945K |
2025 Q4
2 quarters
|
|
65
Hinge Health
HNGE
$8.44B
| $8.59M | 0.41% |
103,545
-106,725
| -51% | -$5.79M |
2025 Q4
2 quarters
|
|
66
Navan Inc
NAVN
$6.3B
| $7.72M | 0.36% |
+337,640
| New | +$6.18M |
2026 Q2
0 quarters
|
|
67
Bank of America
BAC
$377B
| $7.31M | 0.34% |
+128,256
| New | +$6.82M |
2026 Q2
0 quarters
|
|
68
Labcorp
LH
$25.6B
| $7.07M | 0.33% |
25,240
-51,743
| -67% | -$13.6M |
2025 Q2
4 quarters
|
|
|
69
Public Storage
PSA
$54B
| $6.67M | 0.31% |
20,963
-57,844
| -73% | -$17.7M |
2026 Q1
1 quarter
|
|
70
Cogent Biosciences
COGT
$4.96B
| $6.66M | 0.31% |
172,085
+21,275
| +14% | +$744K |
2026 Q1
1 quarter
|
|
71
Dave Inc
DAVE
$4.51B
| $6.58M | 0.31% |
+17,672
| New | +$4.59M |
2026 Q2
0 quarters
|
|
72
Mayville Engineering Co
MEC
$375M
| $6.54M | 0.31% |
+174,600
| New | +$4.67M |
2026 Q2
0 quarters
|
|
73
Agilysys
AGYS
$3.07B
| $6.52M | 0.31% |
+62,440
| New | +$4.83M |
2026 Q2
0 quarters
|
|
|
74
L3Harris
LHX
$43.8B
| $6.47M | 0.31% |
22,267
-67,601
| -75% | -$21.5M |
2021 Q1
21 quarters
|
|
75
Turning Point Brands
TPB
$1.13B
| $6.45M | 0.3% |
76,076
+17,201
| +29% | +$1.43M |
2025 Q2
4 quarters
|
|
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Osterweis Capital Management's Q2 2026 Portfolio in Review
As of Q2 2026, Osterweis Capital Management held 242 positions worth $2.12B, up 9.4% from $1.94B the previous quarter. Its ten largest holdings account for 30% of the portfolio.
Osterweis Capital Management withdrew a net $242M in Q2 2026, closing 11 positions and reducing 84 holdings. Its most notable exit was Brown & Brown, an estimated $25.9M position sold in full.
By sector, the portfolio is most concentrated in Technology at 26% of assets, up from 21% a quarter earlier, followed by Industrials and Healthcare.
Against the trend, Osterweis Capital Management opened a new position in Arthur J. Gallagher & Co worth $21.1M.
- Osterweis Capital Management's largest Q2 2026 buy was Arthur J. Gallagher & Co: 91,965 shares worth $21.1M.
- Osterweis Capital Management added most to Apple in Q2 2026, an estimated $55.6M increase.
- Osterweis Capital Management's biggest Q2 2026 reduction was Applied Materials, cutting an estimated $28.1M.
- Osterweis Capital Management fully exited Brown & Brown in Q2 2026, selling an estimated $25.9M.
- Osterweis Capital Management's ten largest holdings make up 30% of its $2.12B portfolio in Q2 2026.
- Osterweis Capital Management opened 14 new positions and closed 11 in Q2 2026.
- Osterweis Capital Management's portfolio value rose 9.4% quarter-over-quarter to $2.12B.
Based on Osterweis Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.