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OCM

Osterweis Capital Management Portfolio holdings

AUM $1.94B
1-Year Est. Return 20.77%
This Fund
S&P 500
This Quarter Est. Return
+4.74%
1 Year Est. Return
+20.77%
3 Year Est. Return
+69.82%
5 Year Est. Return
+88.03%
10 Year Est. Return
+482.02%
AUM
$2.22B
AUM Growth
+$126M
Cap. Flow
-$222M
Cap. Flow %
-10.03%
Top 10 Hldgs %
31.96%
Holding
298
New
16
Increased
46
Reduced
64
Closed
23

Top Buys

Rank Stock Value
1
LLY icon
Eli Lilly
LLY
+$27.2M
2
CP icon
Canadian Pacific Kansas City
CP
+$25.8M
3
ICE icon
Intercontinental Exchange
ICE
+$22.4M
4
CWST icon
Casella Waste Systems
CWST
+$12.4M
5
BRO icon
Brown & Brown
BRO
+$9.1M

Top Sells

Rank Stock Value
1
MSFT icon
Microsoft
MSFT
+$18.7M
2
ODFL icon
Old Dominion Freight Line
ODFL
+$17.5M
3
LHX icon
L3Harris
LHX
+$10.7M
4
RMBS icon
Rambus
RMBS
+$10.2M
5
GOOG icon
Alphabet (Google) Class C
GOOG
+$9.17M

Sector Composition

Rank Sector Weight
1 Technology 23.25%
2 Industrials 11.13%
3 Healthcare 10.9%
4 Financials 9.85%
5 Consumer Discretionary 7.05%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CP icon
26
Canadian Pacific Kansas City
CP
$80.5B
$25.1M 1.13%
+337,288
New +$25.8M
BA icon
27
Boeing
BA
$185B
$24M 1.08%
111,369
+938
+0.8% +$211K
CRM icon
28
Salesforce
CRM
$158B
$23.4M 1.05%
98,563
+56
+0.1% +$14.1K
LH icon
29
Labcorp
LH
$25.9B
$22.4M 1.01%
78,148
-361
-0.5% -$96.7K
SNPS icon
30
Synopsys
SNPS
$79.7B
$21.9M 0.99%
44,287
+94
+0.2% +$53.1K
ICE icon
31
Intercontinental Exchange
ICE
$84.4B
$21.1M 0.95%
+125,163
New +$22.4M
DE icon
32
Deere & Co
DE
$168B
$19.2M 0.87%
41,923
+553
+1% +$273K
META icon
33
Meta Platforms (Facebook)
META
$1.51T
$18.9M 0.85%
25,699
+225
+0.9% +$167K
FSV icon
34
FirstService
FSV
$6.32B
$17.4M 0.79%
91,594
-11,104
-11% -$2.15M
SITM icon
35
SiTime
SITM
$21.8B
$17.2M 0.78%
57,231
+9,048
+19% +$2.1M
RMBS icon
36
Rambus
RMBS
$11B
$15.8M 0.71%
151,560
-132,850
-47% -$10.2M
GWRE icon
37
Guidewire Software
GWRE
$14.2B
$14.8M 0.67%
64,438
-631
-1% -$144K
GH icon
38
Guardant Health
GH
$22.6B
$13.4M 0.61%
215,011
-25,305
-11% -$1.38M
CPAY icon
39
Corpay
CPAY
$25.7B
$12.3M 0.55%
42,557
+145
+0.3% +$46.2K
AAPL icon
40
Apple
AAPL
$4.57T
$12.1M 0.55%
47,701
-2,117
-4% -$478K
AX icon
41
Axos Financial
AX
$5.68B
$12M 0.54%
141,955
+56,995
+67% +$4.97M
CWST icon
42
Casella Waste Systems
CWST
$5.69B
$11.7M 0.53%
+123,185
New +$12.4M
GKOS icon
43
Glaukos
GKOS
$10.6B
$11.6M 0.52%
142,288
+47,915
+51% +$4.4M
NVS icon
44
Novartis
NVS
$297B
– –
0
– –
ATRC icon
45
AtriCure
ATRC
$2.11B
$11.4M 0.51%
322,080
+6,550
+2% +$226K
SPXC icon
46
SPX Corp
SPXC
$10.8B
$11.4M 0.51%
60,778
+12,123
+25% +$2.24M
CECO icon
47
Ceco Environmental
CECO
$4.14B
$10.8M 0.49%
210,032
-43,408
-17% -$1.84M
MGY icon
48
Magnolia Oil & Gas
MGY
$5.94B
$10.7M 0.48%
449,967
-125,045
-22% -$2.98M
AORT icon
49
Artivion
AORT
$1.32B
$10.2M 0.46%
240,772
+120,192
+100% +$4.53M
TREX icon
50
Trex
TREX
$5.01B
$10.1M 0.46%
195,296
+40,981
+27% +$2.5M
1
2
3 4 5

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Osterweis Capital Management's Q3 2025 Portfolio in Review

As of Q3 2025, Osterweis Capital Management held 298 positions worth $2.22B, up 6% from $2.09B the previous quarter. Its ten largest holdings account for 32% of the portfolio.

Osterweis Capital Management withdrew a net $222M in Q3 2025, closing 23 positions and reducing 64 holdings. Its most notable exit was Bio-Techne, an estimated $7.7M position sold in full.

By sector, the portfolio is most concentrated in Technology at 23% of assets, down from 25% a quarter earlier, followed by Industrials and Healthcare.

Against the trend, Osterweis Capital Management opened a new position in Canadian Pacific Kansas City worth $25.1M.

  • Osterweis Capital Management's largest Q3 2025 buy was Canadian Pacific Kansas City: 337,288 shares worth $25.1M.
  • Osterweis Capital Management added most to Eli Lilly in Q3 2025, an estimated $27.2M increase.
  • Osterweis Capital Management's biggest Q3 2025 reduction was Microsoft, cutting an estimated $18.7M.
  • Osterweis Capital Management fully exited Bio-Techne in Q3 2025, selling an estimated $7.7M.
  • Osterweis Capital Management's ten largest holdings make up 32% of its $2.22B portfolio in Q3 2025.
  • Osterweis Capital Management opened 16 new positions and closed 23 in Q3 2025.
  • Osterweis Capital Management's portfolio value rose 6% quarter-over-quarter to $2.22B.

Based on Osterweis Capital Management's 13F filing for Q3 2025, filed 14 Nov 2025.