Latest Columbia Asset Management Stock Portfolio

Columbia Asset Management Performance:

2025 Q4: -0.34%YTD: 6.12%2024: 11.7%

Performance for 2025 Q4 is -0.34%, and YTD is 6.12%, and 2024 is 11.7%.

About Columbia Asset Management and 13F Hedge Fund Stock Holdings

Columbia Asset Management is a hedge fund based in Ann Arbor, MI. On 2026-01-28, the fund reported it's updated stock portfolio. In the 13F Holdings report, Columbia Asset Management reported an equity portfolio of $562.7 Millions as of 31 Dec, 2025.

The top stock holdings of Columbia Asset Management are AAPL, MSFT, GOOG. The fund has invested 9.7% of it's portfolio in APPLE INC and 7.8% of portfolio in MICROSOFT CORP.

The fund managers got completely rid off UNILEVER PLC, CHIPOTLE MEXICAN GRILL INC (CMG) and BLACKSTONE INC (BX) stocks. They significantly reduced their stock positions in UNITEDHEALTH GROUP INC (UNH), SOUTHERN CO (SO) and SEAGATE TECHNOLOGY HLDNGS PL (STX). Columbia Asset Management opened new stock positions in BERKSHIRE HATHAWAY INC DEL, SCHWAB STRATEGIC TR (FNDA) and MONSTER BEVERAGE CORP NEW (MNST). The fund showed a lot of confidence in some stocks as they added substantially to NETFLIX INC (NFLX), VERTEX PHARMACEUTICALS INC (VRTX) and COMCAST CORP NEW (CMCSA).

Columbia Asset Management Annual Return Estimates Vs S&P 500

Our best estimate is that Columbia Asset Management made a return of -0.34% in the last quarter. In trailing 12 months, it's portfolio return was 6.12%.

Performance
S&P 500

New Buys

Ticker	$ Bought
berkshire hathaway inc del	18,733,800
unilever plc	1,107,420
toronto dominion bk ont	361,257
schwab strategic tr	242,155
monster beverage corp new	221,960
ishares tr	206,133
cummins inc	204,180
ishares tr	117,062

New stocks bought by Columbia Asset Management

Additions

Ticker	% Inc.
netflix inc	878
vertex pharmaceuticals inc	305
comcast corp new	54.22
equinor asa	49.22
vanguard index fds	47.75
atlanta braves hldgs inc	21.18
siriusxm holdings inc	15.72
rio tinto plc	15.49

Additions to existing portfolio by Columbia Asset Management

Reductions

Ticker	% Reduced
unitedhealth group inc	-44.87
southern co	-32.17
seagate technology hldngs pl	-31.82
sealed air corp new	-30.02
oracle corp	-29.84
dow inc	-22.75
smucker j m co	-19.97
genuine parts co	-18.08

Columbia Asset Management reduced stake in above stock

Sold off

Ticker	$ Sold
unilever plc	-1,094,010
chipotle mexican grill inc	-316,224
blackstone inc	-227,401
marathon pete corp	-212,014

Columbia Asset Management got rid off the above stocks

Sector Distribution

Columbia Asset Management has about 27.5% of it's holdings in Technology sector.

Sector	%
Technology	27.5
Others	13.8
Financial Services	12.3
Healthcare	12.2
Consumer Cyclical	9.3
Communication Services	9.2
Industrials	7.1
Consumer Defensive	5.4
Energy	1.5

Market Cap. Distribution

Columbia Asset Management has about 85.7% of it's portfolio invested in the large-cap and mega-cap stocks.

Category	%
MEGA-CAP	51.7
LARGE-CAP	34
UNALLOCATED	13.8

Stocks belong to which Index?

About 82% of the stocks held by Columbia Asset Management either belong to S&P 500 or RUSSELL 2000 index.

Index	%
S&P 500	82
Others	17.8

Top 5 Winners (%)		%
MU	micron technology inc	70.5 %
LLY	eli lilly & co	39.6 %
YETI	yeti hldgs inc	33.1 %
EXPE	expedia group inc	32.5 %
GOOG	alphabet inc	28.1 %

Top 5 Winners ($)		$
GOOG	alphabet inc	5.5 M
AAPL	apple inc	3.5 M
GOOG	alphabet inc	2.6 M
LLY	eli lilly & co	2.5 M
MRK	merck & co inc	2.4 M

Top 5 Losers (%)		%
NFLX	netflix inc	-86.7 %
ORCL	oracle corp	-26.1 %
	ferrari n v	-23.8 %
KMB	kimberly-clark corp	-18.9 %
IRM	iron mtn inc del	-18.6 %

Top 5 Losers ($)		$
NFLX	netflix inc	-19.9 M
MSFT	microsoft corp	-3.1 M
ERIE	erie indty co	-2.3 M
ORCL	oracle corp	-0.9 M
HD	home depot inc	-0.8 M

Columbia Asset Management Holdings Map

This heatmap illustrates the top 50 positions within the fund's portfolio.

Current Stock Holdings of Columbia Asset Management

Columbia Asset Management has 173 stocks in it's portfolio. About 42.5% of the portfolio is in top 10 stocks. NFLX proved to be the most loss making stock for the portfolio. GOOG was the most profitable stock for Columbia Asset Management last quarter.

Last Reported on: 28 Jan, 2026

Ticker	Namesorted ascending	% Portfolio	Shares Held	$ Value	Type	% Change
AAPL	apple inc	9.65	199,639	54,273,900	reduced	-1.82

ABBV	abbvie inc	1.44	35,484	8,107,630	reduced	-0.62

ABT	abbott labs	0.10	4,591	575,206	reduced	-8.93

ADBE	adobe inc	0.99	15,877	5,556,790	reduced	-0.06

ADP	automatic data processing in	0.08	1,761	452,956	added	0.17

AEP	american elec pwr co inc	0.22	10,532	1,214,390	added	7.54

AMGN	amgen inc	1.34	23,003	7,528,960	added	0.27

AMT	american tower corp new	0.23	7,417	1,302,200	added	1.73

AMZN	amazon com inc	3.46	84,341	19,467,700	reduced	-1.17

AVGO	broadcom inc	2.99	48,605	16,822,300	reduced	-10.57

AXP	american express co	0.78	11,858	4,386,750	added	0.01

BA	boeing co	0.08	1,962	425,989	unchanged	0.00

BAB	invesco exch traded fd tr ii	0.12	2,631	665,433	unchanged	0.00

BAC	bank america corp	0.18	18,583	1,022,040	reduced	-1.93

BATRA	atlanta braves hldgs inc	0.27	38,395	1,514,680	added	21.18

BBAX	j p morgan exchange traded f	0.07	6,894	394,613	unchanged	0.00

BIL	spdr series trust	0.04	2,250	205,605	unchanged	0.00

BIV	vanguard bd index fds	0.46	32,691	2,576,390	added	0.09

BK	bank new york mellon corp	0.28	13,537	1,571,510	reduced	-13.93

BMY	bristol-myers squibb co	0.05	5,165	278,600	unchanged	0.00