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CAM

Columbia Asset Management Portfolio holdings

AUM $575M
1-Year Est. Return 29.81%
This Fund
S&P 500
This Quarter Est. Return
+4.45%
1 Year Est. Return
+29.81%
3 Year Est. Return
+84.35%
5 Year Est. Return
–
10 Year Est. Return
–
AUM
$563M
AUM Growth
+$28.2M
Cap. Flow
+$10.6M
Cap. Flow %
1.89%
Top 10 Hldgs %
42.5%
Holding
177
New
9
Increased
47
Reduced
75
Closed
3

Top Buys

Rank Stock Value
1
BRK.B icon
Berkshire Hathaway Class B
BRK.B
+$18.5M
2
VO icon
Vanguard Morningstar Mid-Cap ETF
VO
+$1.02M
3
VRTX icon
Vertex Pharmaceuticals
VRTX
+$728K
4
VB icon
Vanguard Morningstar Small-Cap ETF
VB
+$473K
5
NKE icon
Nike
NKE
+$370K

Top Sells

Rank Stock Value
1
AVGO icon
Broadcom
AVGO
+$2.05M
2
AAPL icon
Apple
AAPL
+$994K
3
GOOGL icon
Alphabet (Google) Class A
GOOGL
+$971K
4
ORCL icon
Oracle
ORCL
+$902K
5
MSFT icon
Microsoft
MSFT
+$885K

Sector Composition

Rank Sector Weight
1 Technology 28.46%
2 Financials 15.96%
3 Healthcare 12.34%
4 Communication Services 9.6%
5 Consumer Discretionary 9.4%
Name Market Value Portfolio Weight Shares or Principal Change
in Stake 		Capital Flow
CMG icon
176
Chipotle Mexican Grill
CMG
$41.5B
– –
-8,069
Closed -$316K
MPC icon
177
Marathon Petroleum
MPC
$83.7B
– –
-1,100
Closed -$212K
4 5 6 7
8

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WCCM
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BL
Bleichroeder LP New York $579M AUM 94.36% 1-Year Est. Return
EHI
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MAM
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BSG
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Columbia Asset Management's Q4 2025 Portfolio in Review

As of Q4 2025, Columbia Asset Management held 177 positions worth $563M, up 5.3% from $534M the previous quarter. Its ten largest holdings account for 43% of the portfolio.

Columbia Asset Management's Q4 2025 filing shows 9 new, 47 increased, 75 reduced and 3 closed positions. Its largest new stake was Berkshire Hathaway Class B: 37,270 shares worth $18.7M. The largest sale was Broadcom, an estimated $2.05M.

By sector, the portfolio is most concentrated in Technology at 28% of assets, down from 31% a quarter earlier, followed by Financials and Healthcare.

  • Columbia Asset Management's largest Q4 2025 buy was Berkshire Hathaway Class B: 37,270 shares worth $18.7M.
  • Columbia Asset Management added most to Vanguard Morningstar Mid-Cap ETF in Q4 2025, an estimated $1.02M increase.
  • Columbia Asset Management's biggest Q4 2025 reduction was Broadcom, cutting an estimated $2.05M.
  • Columbia Asset Management fully exited Chipotle Mexican Grill in Q4 2025, selling an estimated $316K.
  • Columbia Asset Management's ten largest holdings make up 43% of its $563M portfolio in Q4 2025.
  • Columbia Asset Management opened 9 new positions and closed 3 in Q4 2025.
  • Columbia Asset Management's portfolio value rose 5.3% quarter-over-quarter to $563M.

Based on Columbia Asset Management's 13F filing for Q4 2025, filed 28 Jan 2026.