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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
CAVA icon
226
CAVA Group
CAVA
$7.82B
– –
-83,695
Closed -$6.77M
CSGP icon
227
CoStar Group
CSGP
$13.1B
– –
-326
Closed -$13.2K
FSLY icon
228
Fastly Inc
FSLY
$3.67B
– –
-125,495
Closed -$3.65M
MOD icon
229
Modine Manufacturing
MOD
$9.43B
– –
-34,224
Closed -$7.42M
NOW icon
230
ServiceNow
NOW
$150B
– –
-525
Closed -$54.9K
PANW icon
231
Palo Alto Networks
PANW
$303B
– –
-200
Closed -$32.1K
PLMR icon
232
Palomar
PLMR
$3.46B
– –
-68,090
Closed -$8.14M
RMBS icon
233
Rambus
RMBS
$9.3B
– –
-84,930
Closed -$7.31M
SPGI icon
234
S&P Global
SPGI
$131B
– –
-244
Closed -$104K
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.