Columbia Asset Management

CIK

1585047

Location

Ann Arbor, MI

Portfolio Value

Small $529,132,227

Diversification

Diversified

Filing Date

Global Rank

#2,691 / 8,517 ▼ 19

Top Industry

Drug Manufacturers - General 11.5%

3Y Alpha vs SPY

+0.8%

Period ended 46 days ago

Filed Jul 21, 2026 · 25d

25 quarters · since Mar 2020

Clone Performance

Aug 2023–Aug 2026 · vs SPY

Hypothetical growth of buying every stock this filer reported holding, rebalancing on each filing and indexed to the same start. Option positions cannot be bought this way and are left out.

Cloned portfolio

+77.7%

SPY

+75.3%

Annualised alpha

+0.5%

Max drawdown

−17.5%

Estimate. 13F holdings are quarter-lagged, so the clone rebalances about 45 days after each period end — when the filing becomes public — and it excludes option and short positions. Returns use comparable raw closes and exclude dividends; a captured split can shorten the simulated window. It tracks 99% of reported value on average across 13 quarters. Past performance does not predict future results.

Portfolio Concentration

146 tracked positions · as of Jun 30, 2026 · Δ vs Mar 31, 2026

Top Position

10.4%

+0.5 pts

Top 5

28.5%

−1.1 pts

Top 10

43.7%

+0.8 pts

HHI

298

Diversified+8

Portfolio Trend

25 quarters · across all stocks

Sector Breakdown

As of Jun 30, 2026

Sector	% Portfolio	Value	Positions
Technology	30.7%	$162,443,570	22
Financial Services	15.6%	$82,731,413	18
Healthcare	13.6%	$71,856,188	17
Industrials	9.4%	$49,722,609	21
Consumer Cyclical	9.1%	$47,920,252	16
Communication Services	7.7%	$40,687,350	9
Consumer Defensive	6.2%	$32,756,279	17
Energy	2.9%	$15,481,175	8
Unclassified	2.2%	$11,824,596	2
Utilities	1.2%	$6,439,102	6
Real Estate	0.7%	$3,966,536	4
Basic Materials	0.6%	$3,303,157	6

Last Quarter's Activity

Export CSV

Jun 30, 2026 vs Mar 31, 2026

Added To

Positions the filer increased

25 positions

Ticker	Company	Δ Shares	Shares	Value
EQNR	Equinor ASA	+7,295	30,130	$946,082
CMCSA	Comcast Corp	+4,776	31,050	$762,277
TROW	Price T Rowe Group Inc	+3,665	22,030	$2,504,590
NFLX	Netflix Inc	+2,250	36,798	$2,627,377
MDT	Medtronic plc	+2,067	63,627	$4,977,540
CLX	Clorox Co /De/	+1,980	14,556	$1,389,224
NKE	NIKE, Inc.	+1,935	103,137	$4,233,773
AEP	American Electric Power Co Inc	+1,892	13,521	$1,849,808
D	Dominion Energy, Inc	+1,285	6,739	$460,206
RIO	Rio Tinto PLC	+1,173	13,418	$1,273,770
NVDA	Nvidia Corp	+488	33,667	$6,736,430
QCOM	Qualcomm Inc/De	+386	11,664	$2,155,390
GD	General Dynamics Corp	+320	3,893	$1,379,056
AMT	American Tower Corp /Ma/	+315	8,047	$1,316,247
MDLZ	Mondelez International, Inc.	+153	14,557	$841,976
TSLA	Tesla, Inc.	+60	1,439	$605,243
SJM	J M SMUCKER Co	+50	2,595	$291,937
ABT	Abbott Laboratories	+50	4,641	$421,124
WMT	Walmart Inc.	+47	7,449	$843,673
GEV	GE Vernova Inc.	+32	635	$746,036
DTE	Dte Energy Co	+31	10,269	$1,564,687
TJX	Tjx Companies Inc /De/	+25	4,822	$730,533
ERIE	Erie Indemnity Co	+23	72,592	$17,403,932
GSK	GSK plc	+4	5,337	$279,765
CTVA	Corteva, Inc.	+2	3,266	$276,597
No positions match the current search.

Trimmed

Positions the filer reduced

25 positions

Ticker	Company	Δ Shares	Shares	Value
GOOGL	Alphabet Inc.	−37,435	72,262	$25,824,270
VZ	Verizon Communications Inc	−18,268	126,884	$5,372,268
SONY	Sony Group Corp	−9,725	97,775	$1,961,366
AAPL	Apple Inc.	−8,107	189,981	$54,972,902
HON	Honeywell International Inc	−6,875	6,408	$1,434,751
GIS	General Mills Inc	−5,004	7,886	$274,432
T	At&T Inc.	−4,735	92,647	$1,917,792
PFE	Pfizer Inc	−4,092	190,168	$4,579,245
AMZN	Amazon Com Inc	−3,916	80,573	$19,203,768
CSCO	Cisco Systems, Inc.	−3,890	86,092	$10,112,366
BP	Bp PLC	−3,769	125,505	$4,637,409
PG	PROCTER & GAMBLE Co	−3,256	36,481	$5,349,573
UPS	United Parcel Service Inc	−3,100	36,270	$3,899,025
JNJ	Johnson & Johnson	−3,078	51,192	$13,001,232
INTC	Intel Corp	−2,969	13,411	$1,872,577
USB	US Bancorp De	−2,665	29,798	$1,799,799
ADBE	Adobe Inc.	−2,361	12,898	$2,644,347
TGT	Target Corp	−2,270	39,687	$5,183,519
AVGO	Broadcom Inc.	−2,030	45,442	$17,165,715
DIS	Walt Disney Co	−1,819	32,832	$3,160,080
SBUX	Starbucks Corp	−1,711	79,734	$8,148,017
C	Citigroup Inc	−1,590	22,127	$3,096,894
UL	Unilever PLC	−1,314	16,135	$970,036
CVX	Chevron Corp	−1,299	34,883	$5,782,206
KO	Coca Cola Co	−1,295	70,912	$5,763,018
No positions match the current search.

New Positions

Positions the filer opened this quarter

4 positions

Ticker	Company	Shares	Value
BRK-B	Berkshire Hathaway Inc	33,730	$16,878,154
HONA	Honeywell Aerospace Inc.	6,276	$1,385,740
BKR	Baker Hughes Co	6,020	$334,110
HPE	Hewlett Packard Enterprise Co	6,420	$289,606
No positions match the current search.

Sold Out

Positions the filer fully exited

12 positions

Ticker	Company	Shares	Value
VB	Vanguard Morningstar Small-Cap ETF	16,871	$4,418,852
VIG	Vanguard Dividend Appreciation ETF	20,139	$4,331,093
VXUS	Vanguard Total International Stock ETF	54,846	$4,229,175
XOM	ExxonMobil Holdings Corp	23,061	$3,912,529
BATRA	Atlanta Braves Holdings, Inc.	38,640	$1,649,928
DOW	Dow Inc.	10,022	$417,416
GPC	Genuine Parts Co	3,700	$391,275
KMB	Kimberly Clark Corp	2,960	$285,551
DEO	Diageo PLC	3,723	$277,177
INTU	Intuit Inc.	602	$260,292
TTE	TotalEnergies SE	2,280	$207,434
BIL	State Street SPDR Bloomberg 1-3 Month T-Bill ETF	2,250	$206,190
No positions match the current search.

Portfolio Positions

Compact Export CSV View 13F filing

146 tracked positions · $529,132,227 total · as of Jun 30, 2026

All sectors Basic Materials Communication Services Consumer Cyclical Consumer Defensive Energy Financial Services Healthcare Industrials Real Estate Technology Utilities

Showing 1–50 of 146 positions by value · page 1 of 3

Ticker	Company	Type	Shares	Δ Shares	Value (USD)	% Δ Value	% of Portfolio
AAPL	Apple Inc. Technology	Reduced	189,981	-8,107	$54,972,902	+9.3%	10.39%
MSFT	Microsoft Corp Technology	Reduced	89,309	-796	$33,314,043	−0.1%	6.30%
GOOGL	Alphabet Inc. Communication Services	Reduced	72,262	-37,435	$25,824,270	−18.1%	4.88%
AMZN	Amazon Com Inc Consumer Cyclical	Reduced	80,573	-3,916	$19,203,768	+9.1%	3.63%
ERIE	Erie Indemnity Co Financial Services	Added	72,592	+23	$17,403,932	−4.6%	3.29%
AVGO	Broadcom Inc. Technology	Reduced	45,442	-2,030	$17,165,715	+16.8%	3.24%
V	Visa Inc. Financial Services	Reduced	50,030	-1,106	$17,164,792	+11.1%	3.24%
BRK-B	Berkshire Hathaway Inc Financial Services	NEW	33,730	NEW	$16,878,154	NEW	3.19%
CAT	Caterpillar Inc Industrials	Reduced	14,167	-891	$15,086,438	+41.4%	2.85%
MRK	Merck & Co., Inc. Healthcare	Reduced	110,475	-1,188	$14,196,037	+5.7%	2.68%
JNJ	Johnson & Johnson Healthcare	Reduced	51,192	-3,078	$13,001,232	−2.0%	2.46%
JPM	Jpmorgan Chase & Co Financial Services	Reduced	31,797	-1,286	$10,408,112	+7.0%	1.97%
SPY	Spdr S&P 500 ETF Trust	Reduced	13,834	-332	$10,330,816	+12.1%	1.95%
CSCO	Cisco Systems, Inc. Technology	Reduced	86,092	-3,890	$10,112,366	+44.8%	1.91%
LLY	ELI LILLY & Co Healthcare	Reduced	8,009	-422	$9,606,235	+23.9%	1.82%
ABBV	AbbVie Inc. Healthcare	Reduced	34,525	-804	$8,687,871	+13.1%	1.64%
SBUX	Starbucks Corp Consumer Cyclical	Reduced	79,734	-1,711	$8,148,017	+11.7%	1.54%
IBM	International Business Machines Corp Technology	Reduced	28,403	-841	$7,987,207	+12.7%	1.51%
AMGN	Amgen Inc Healthcare	Reduced	21,458	-962	$7,770,370	−1.5%	1.47%
GLW	Corning Inc /Ny Technology	Reduced	30,362	-294	$7,755,365	+86.1%	1.47%
NVDA	Nvidia Corp Technology	Added	33,667	+488	$6,736,430	+16.4%	1.27%
UNP	Union Pacific Corp Industrials	Reduced	23,314	-1,029	$6,341,408	+7.4%	1.20%
CVX	Chevron Corp Energy	Reduced	34,883	-1,299	$5,782,206	−22.8%	1.09%
KO	Coca Cola Co Consumer Defensive	Reduced	70,912	-1,295	$5,763,018	+4.9%	1.09%
VZ	Verizon Communications Inc Communication Services	Reduced	126,884	-18,268	$5,372,268	−26.3%	1.02%
PG	PROCTER & GAMBLE Co Consumer Defensive	Reduced	36,481	-3,256	$5,349,573	−6.8%	1.01%
TGT	Target Corp Consumer Defensive	Reduced	39,687	-2,270	$5,183,519	+1.9%	0.98%
MU	Micron Technology Inc Technology	Reduced	4,487	-1,156	$5,179,299	+171.7%	0.98%
MDT	Medtronic plc Healthcare	Added	63,627	+2,067	$4,977,540	−6.7%	0.94%
DE	Deere & Co Industrials	Reduced	7,771	-230	$4,929,378	+9.4%	0.93%
BP	Bp PLC Energy	Reduced	125,505	-3,769	$4,637,409	−23.7%	0.88%
PFE	Pfizer Inc Healthcare	Reduced	190,168	-4,092	$4,579,245	−16.1%	0.87%
PEP	Pepsico Inc Consumer Defensive	Reduced	31,774	-194	$4,302,199	−13.3%	0.81%
HD	Home Depot, Inc. Consumer Cyclical	Reduced	12,102	-450	$4,268,133	+3.4%	0.81%
SYK	Stryker Corp Healthcare	Reduced	13,477	-535	$4,243,098	−7.8%	0.80%
NKE	NIKE, Inc. Consumer Cyclical	Added	103,137	+1,935	$4,233,773	−20.8%	0.80%
MCD	Mcdonalds Corp Consumer Cyclical	Reduced	15,584	-304	$4,212,511	−14.7%	0.80%
COST	Costco Wholesale Corp /New Consumer Defensive	Reduced	4,353	-150	$4,072,100	−9.2%	0.77%
UPS	United Parcel Service Inc Industrials	Reduced	36,270	-3,100	$3,899,025	+0.7%	0.74%
AXP	American Express Co Financial Services	Reduced	10,829	-965	$3,662,909	+2.7%	0.69%
ASML	Asml Holding NV Technology	Reduced	1,779	-70	$3,539,213	+44.9%	0.67%
DIS	Walt Disney Co Communication Services	Reduced	32,832	-1,819	$3,160,080	−5.4%	0.60%
C	Citigroup Inc Financial Services	Reduced	22,127	-1,590	$3,096,894	+15.1%	0.59%
SHEL	Shell plc Energy	Reduced	37,955	-945	$2,943,030	−18.6%	0.56%
ADBE	Adobe Inc. Technology	Reduced	12,898	-2,361	$2,644,347	−28.7%	0.50%
ITW	Illinois Tool Works Inc Industrials	Reduced	9,771	-619	$2,642,762	−2.3%	0.50%
NFLX	Netflix Inc Communication Services	Added	36,798	+2,250	$2,627,377	−20.9%	0.50%
TROW	Price T Rowe Group Inc Financial Services	Added	22,030	+3,665	$2,504,590	+51.3%	0.47%
GE	General Electric Co Industrials	Reduced	6,153	-61	$2,299,560	+30.4%	0.43%
SCHW	Schwab Charles Corp Financial Services	Reduced	24,616	-1,096	$2,271,318	−6.0%	0.43%

Covers the securities this platform tracks: U.S.-listed common stock and the put/call positions reported on it. A 13F can also report security types outside that coverage — preferred shares, bonds, warrants, untracked share classes — so the filing's own declared total can exceed the figures above. The source filing is linked at the top of this table.