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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
EFX icon
201
Equifax
EFX
$22.8B
$33.3K ﹤0.01%
210
– –
FISV
202
Fiserv Inc
FISV
$28.3B
$31.6K ﹤0.01%
645
– –
PEP icon
203
PepsiCo
PEP
$193B
$31.1K ﹤0.01%
230
– –
PLSE icon
204
Pulse Biosciences
PLSE
$3.39B
$27.7K ﹤0.01%
1,000
– –
KWEB icon
205
KraneShares CSI China Internet ETF
KWEB
$5.2B
– –
0
– –
PPTA
206
Perpetua Resources
PPTA
$3.14B
$25.6K ﹤0.01%
1,232
-1,390
-53% -$37.7K
IDA icon
207
Idacorp
IDA
$7.85B
$25.1K ﹤0.01%
166
-186
-53% -$26.8K
COLB icon
208
Columbia Banking Systems
COLB
$8.51B
$23.4K ﹤0.01%
730
-823
-53% -$24.4K
SF
209
Stifel
SF
$12.3B
$22.2K ﹤0.01%
318
– –
SPRY icon
210
ARS Pharmaceuticals
SPRY
$586M
$21.1K ﹤0.01%
2,637
-2,973
-53% -$25.6K
TMC icon
211
TMC The Metals Company
TMC
$2.12B
$20.7K ﹤0.01%
4,675
– –
RIVN icon
212
Rivian
RIVN
$23.3B
$20.4K ﹤0.01%
1,175
– –
LPLA icon
213
LPL Financial
LPLA
$29.2B
$19.7K ﹤0.01%
70
– –
BR icon
214
Broadridge
BR
$20.9B
$19.6K ﹤0.01%
143
-56
-28% -$8.46K
SNAP icon
215
Snap
SNAP
$9.18B
$17.8K ﹤0.01%
4,000
– –
NMAX
216
Newsmax Inc
NMAX
$1.38B
$17.6K ﹤0.01%
2,120
– –
PTC icon
217
PTC
PTC
$17.1B
$15.5K ﹤0.01%
136
-153
-53% -$20.7K
BXSL icon
218
Blackstone Secured Lending
BXSL
$5.77B
$14.2K ﹤0.01%
598
-674
-53% -$16.1K
VRTX icon
219
Vertex Pharmaceuticals
VRTX
$137B
$10.4K ﹤0.01%
21
– –
ETHA
220
iShares Ethereum Trust ETF
ETHA
$7.57B
– –
0
– –
TMO icon
221
Thermo Fisher Scientific
TMO
$230B
$5.51K ﹤0.01%
11
-77
-88% -$37K
VAC icon
222
Marriott Vacations Worldwide
VAC
$3.79B
$2.14K ﹤0.01%
+21
New +$1.68K
HST icon
223
Host Hotels & Resorts
HST
$15.3B
$24 ﹤0.01%
+1
New +$22
AORT icon
224
Artivion
AORT
$1.31B
– –
-240,217
Closed -$8.8M
BRO icon
225
Brown & Brown
BRO
$24.5B
– –
-397,311
Closed -$25.9M
6 7 8
9
10

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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.