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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
Cap. Flow
-$242M
Cap. Flow %
-11.41%
Top 10 Hldgs %
29.74%
Holding
242
New
14
Increased
25
Reduced
84
Closed
11

Top Buys

Rank Stock Value
1
AAPL icon
Apple
AAPL
+$55.6M
2
AJG icon
Arthur J. Gallagher & Co
AJG
+$19.5M
3
BSX icon
Boston Scientific
BSX
+$14.5M
4
BROS icon
Dutch Bros
BROS
+$11.6M
5
SNPS icon
Synopsys
SNPS
+$11.1M

Top Sells

Rank Stock Value
1
AMAT icon
Applied Materials
AMAT
+$28.1M
2
BRO icon
Brown & Brown
BRO
+$25.9M
3
KEYS icon
Keysight
KEYS
+$24.9M
4
LHX icon
L3Harris
LHX
+$21.5M
5
PSA icon
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
VRT icon
126
Vertiv
VRT
$99B
$194K 0.01%
579
– –
VIOO icon
127
Vanguard S&P Small-Cap 600 ETF
VIOO
$4.23B
– –
0
– –
C icon
128
Citigroup
C
$223B
$184K 0.01%
1,314
– –
NSC icon
129
Norfolk Southern
NSC
$78.3B
$183K 0.01%
582
– –
PH icon
130
Parker-Hannifin
PH
$125B
$183K 0.01%
187
– –
MCK icon
131
McKesson
MCK
$104B
$171K 0.01%
226
– –
TJX icon
132
TJX Companies
TJX
$149B
$167K 0.01%
1,104
– –
GLD icon
133
SPDR Gold Trust
GLD
$149B
– –
0
– –
MAR icon
134
Marriott International
MAR
$91.5B
$156K 0.01%
420
+276
+192% +$102K
WFC icon
135
Wells Fargo
WFC
$262B
$147K 0.01%
1,783
-2,524
-59% -$203K
ISRG icon
136
Intuitive Surgical
ISRG
$132B
$146K 0.01%
368
– –
BIL icon
137
State Street SPDR Bloomberg 1-3 Month T-Bill ETF
BIL
$46.7B
– –
0
– –
ORLY icon
138
O'Reilly Automotive
ORLY
$71.6B
$140K 0.01%
1,515
– –
PLD icon
139
Prologis
PLD
$134B
$138K 0.01%
1,020
– –
TSM icon
140
TSMC
TSM
$2.17T
– –
0
– –
FAST icon
141
Fastenal
FAST
$57.1B
$123K 0.01%
2,553
– –
BNY
142
Bank of New York Mellon
BNY
$110B
$117K 0.01%
808
-391
-33% -$53.5K
DIS icon
143
Walt Disney
DIS
$187B
$116K 0.01%
1,205
-395
-25% -$40.3K
BND icon
144
Vanguard Total Bond Market
BND
$161B
– –
0
– –
ABT icon
145
Abbott
ABT
$195B
$115K 0.01%
1,265
– –
EME icon
146
Emcor
EME
$32.6B
$113K 0.01%
136
– –
BKNG icon
147
Booking.com
BKNG
$155B
$111K 0.01%
625
– –
PNC icon
148
PNC Financial Services
PNC
$96.6B
$111K 0.01%
449
-465
-51% -$104K
IBM icon
149
IBM
IBM
$222B
$99.5K ﹤0.01%
354
– –
CVX icon
150
Chevron
CVX
$396B
$99.1K ﹤0.01%
598
– –
4 5
6
7 8

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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.