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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
RGEN icon
51
Repligen
RGEN
$9.25B
$9.75M 0.44%
+72,930
New +$8.86M
TTAN
52
ServiceTitan Inc
TTAN
$8.19B
$9.73M 0.44%
96,510
+61,280
+174% +$6.72M
LSCC icon
53
Lattice Semiconductor
LSCC
$18.5B
$9.69M 0.44%
+132,225
New +$8.05M
VCEL icon
54
Vericel Corp
VCEL
$2.31B
$9.69M 0.44%
308,055
+79,780
+35% +$2.86M
VITL icon
55
Vital Farms
VITL
$525M
$9.52M 0.43%
231,415
-100,885
-30% -$4.38M
LTH icon
56
Life Time Group Holdings
LTH
$9.79B
$9.12M 0.41%
330,325
+82,310
+33% +$2.35M
MOD icon
57
Modine Manufacturing
MOD
$10.4B
$8.9M 0.4%
62,602
-26,650
-30% -$3.39M
PRCT icon
58
Procept Biorobotics
PRCT
$1.17B
$8.34M 0.38%
233,685
+65,070
+39% +$2.97M
WAY
59
Waystar Holding Corp
WAY
$4.65B
$8.29M 0.37%
+218,610
New +$8.1M
TPB icon
60
Turning Point Brands
TPB
$1.74B
$8.26M 0.37%
83,580
+47,515
+132% +$4.3M
AGYS icon
61
Agilysys
AGYS
$3.06B
$8.05M 0.36%
76,505
– –
CWAN
62
DELISTED
Clearwater Analytics
CWAN
$8.05M 0.36%
446,490
+43,890
+11% +$890K
RBRK icon
63
Rubrik
RBRK
$18.5B
$6.25M 0.28%
76,005
-1,180
-2% -$101K
ENSG icon
64
The Ensign Group
ENSG
$10.7B
$4.98M 0.22%
28,845
-21,615
-43% -$3.45M
AFRM icon
65
Affirm
AFRM
$25.2B
$4.64M 0.21%
63,519
-65,326
-51% -$4.97M
ADMA icon
66
ADMA Biologics
ADMA
$2.22B
$4.53M 0.2%
309,031
+12,536
+4% +$215K
ADSK icon
67
Autodesk
ADSK
$52.6B
$4.45M 0.2%
14,000
-1,060
-7% -$323K
CHYM
68
Chime Financial
CHYM
$11B
$3.86M 0.17%
+191,190
New +$5.43M
BRK.A icon
69
Berkshire Hathaway Class A
BRK.A
$1.12T
$3.77M 0.17%
5
– –
BROS icon
70
Dutch Bros
BROS
$9.26B
$3.73M 0.17%
71,341
+70,945
+17,915% +$4.49M
SIMO icon
71
Silicon Motion
SIMO
$8.68B
– –
0
– –
LAD icon
72
Lithia Motors
LAD
$8.26B
$3.45M 0.16%
10,914
-17,675
-62% -$5.7M
BRK.B icon
73
Berkshire Hathaway Class B
BRK.B
$1.13T
$2.84M 0.13%
5,653
-91
-2% -$44.1K
EPD icon
74
Enterprise Products Partners
EPD
$81.7B
$2.75M 0.12%
87,815
– –
KVYO icon
75
Klaviyo
KVYO
$4.73B
$2.73M 0.12%
98,528
-16,195
-14% -$523K
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.