Columbia Asset Management
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed January 28, 2026), Columbia Asset Management reported 173 stock positions worth $562.5 million. Its top holding was Apple (AAPL) at 9.6% of the portfolio, followed by Microsoft (MSFT, 7.8%) and Alphabet Class A (GOOGL, 4.3%). Compared with Q3 2025, it opened 9 new positions, sold out of 3, added to 48 and reduced 74. The biggest buy was a new position in Berkshire Hathaway Class B (BRK.B) and the biggest sale Microsoft (MSFT, shares −2%).
- Most Recent 13F
- Q2 2026
- Location
- Ann Arbor, MI
- CIK
- 0001585047
- Portfolio Value
- $562.5M (Q4 2025)
- SEC Filing
- 0002085853-26-000122 ↗ filed Jan 28, 2026
Holdings Value
Holdings 173 stocks · $562.5M
| AAPL Apple Inc. | 9.65% | 199,639 | $54.3M | Reduce -1.8% |
| MSFT Microsoft Corp. | 7.75% | 90,169 | $43.6M | Reduce -1.9% |
| GOOGL Alphabet Inc. Class A | 4.29% | 77,166 | $24.2M | Reduce -4.2% |
| ERIE Erie Indemnity Company Class A | 3.66% | 71,748 | $20.6M | Add +0.6% |
| AMZN Amazon.com Inc. | 3.46% | 84,341 | $19.5M | Reduce -1.2% |
| BRK.B Berkshire Hathaway Inc. Class B | 3.33% | 37,270 | $18.7M | New |
| V Visa Inc. Class A | 3.23% | 51,807 | $18.2M | Reduce -1.4% |
| AVGO Broadcom Inc. | 2.99% | 48,605 | $16.8M | Reduce -10.6% |
| MRK Merck & Co. Inc. | 2.09% | 111,534 | $11.7M | Reduce -1.4% |
| JNJ Johnson & Johnson | 2.06% | 56,069 | $11.6M | Reduce -1.5% |
| GOOG Alphabet Inc. Class C | 2.00% | 35,811 | $11.2M | Reduce -4.9% |
| JPM JPMorgan Chase & Co. | 1.93% | 33,662 | $10.8M | Reduce -2.0% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 1.71% | 32,471 | $9.6M | Reduce -3.5% |
| SPY SS SPDR S&P 500 ETF Trust-US | 1.68% | 13,892 | $9.5M | Reduce -1.9% |
| LLY Eli Lilly & Co. | 1.59% | 8,346 | $9.0M | Add +4.4% |
| CAT Caterpillar Inc. | 1.54% | 15,083 | $8.6M | Reduce -2.4% |
| ABBV Abbvie Inc. | 1.44% | 35,484 | $8.1M | Reduce -0.6% |
| AMGN Amgen Inc. | 1.34% | 23,003 | $7.5M | Add +0.3% |
| CSCO Cisco Systems Inc. | 1.33% | 97,003 | $7.5M | Reduce -3.8% |
| SBUX Starbucks Corp. | 1.26% | 84,261 | $7.1M | Reduce -2.1% |
| NKE Nike Inc. Class B | 1.09% | 96,327 | $6.1M | Add +6.3% |
| NVDA Nvidia Corp. | 1.09% | 32,809 | $6.1M | Reduce -5.8% |
| VZ Verizon Communications Inc. | 1.06% | 146,813 | $6.0M | Add +1.5% |
| MDT Medtronic PLC | 1.06% | 62,224 | $6.0M | Add +1.1% |
| PG The Procter & Gamble Co. | 1.03% | 40,483 | $5.8M | Reduce -4.1% |
| ADBE Adobe Inc. | 0.99% | 15,877 | $5.6M | Reduce -0.1% |
| UNP Union Pacific Corp. | 0.96% | 23,402 | $5.4M | Reduce -0.4% |
| CVX Chevron Corp. | 0.95% | 34,920 | $5.3M | Reduce 0.0% |
| KO The Coca-Cola Co. | 0.91% | 73,362 | $5.1M | Reduce -0.5% |
| SYK Stryker Corp. | 0.91% | 14,562 | $5.1M | Reduce -4.7% |
| MCD McDonald's Corp. | 0.87% | 15,962 | $4.9M | Reduce -3.0% |
| PFE Pfizer Inc. | 0.85% | 192,562 | $4.8M | Add +5.7% |
| HD Home Depot Inc. | 0.80% | 13,071 | $4.5M | Reduce -2.7% |
| PEP Pepsico Inc. | 0.78% | 30,584 | $4.4M | Add +2.6% |
| AXP American Express Co. | 0.78% | 11,858 | $4.4M | Add +0.0% |
| BP BP PLC-Spons ADR | 0.78% | 125,904 | $4.4M | Add +4.0% |
| VIG Vanguard Dividend Apprec ETF | 0.76% | 19,522 | $4.3M | Add +1.9% |
| DIS The Walt Disney Co. filed as DISNEY WALT CO | 0.71% | 35,168 | $4.0M | Reduce -3.1% |
| COST Costco Wholesale Corp. | 0.69% | 4,471 | $3.9M | Add +0.1% |
| UPS United Parcel Service Class B | 0.67% | 38,162 | $3.8M | Add +1.2% |
| TGT Target Corp. | 0.66% | 38,240 | $3.7M | Reduce -1.7% |
| DE Deere & Co. | 0.66% | 7,999 | $3.7M | Reduce -5.0% |
| VB Vanguard Most SM-Cap ETF-Usd | 0.65% | 14,066 | $3.6M | Add +15.1% |
| VUG Vanguard Mrngstar GR ETF-Sui | 0.57% | 6,594 | $3.2M | Add +2.0% |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | 0.56% | 10,854 | $3.1M | Add +47.8% |
| NFLX Netflix Inc. | 0.54% | 32,598 | $3.1M | Reduce -2.2% |
| GLW Corning Inc. | 0.54% | 34,626 | $3.0M | Reduce -5.7% |
| C Citigroup Inc. | 0.54% | 25,803 | $3.0M | Reduce -8.8% |
| SHEL Shell PLC-ADR | 0.52% | 39,890 | $2.9M | Reduce -0.9% |
| SONY Sony Group Corp. - SP ADR | 0.50% | 109,700 | $2.8M | Add +0.5% |
| XOM Exxon Mobil Corp. | 0.49% | 22,691 | $2.7M | Add +1.0% |
| VXUS Vanguard Total Intl Stock | 0.47% | 34,694 | $2.6M | Add +2.8% |
| HON Honeywell International Inc. | 0.46% | 13,293 | $2.6M | Add +0.0% |
| MMM 3M Co. | 0.46% | 16,166 | $2.6M | Reduce -5.0% |
| BSV Vanguard Short-Term Bond ETF | 0.46% | 32,691 | $2.6M | Add +0.1% |
| SCHW Schwab (charles) Corp. | 0.46% | 25,630 | $2.6M | Reduce -1.4% |
| ITW Illinois Tool Works | 0.45% | 10,390 | $2.6M | Add +0.6% |
| T AT&T Inc. | 0.43% | 96,445 | $2.4M | Reduce -3.2% |
| DECK Deckers Outdoor Corp. | 0.39% | 21,167 | $2.2M | Reduce -4.6% |
| GE General Electric filed as GE AEROSPACE | 0.38% | 6,980 | $2.2M | Reduce -1.2% |
| QCOM Qualcomm Inc. | 0.37% | 12,323 | $2.1M | Reduce -5.0% |
| WM Waste Management Inc. | 0.36% | 9,335 | $2.1M | No change |
| ASML ASML Holding NV-NY Reg SHS | 0.35% | 1,856 | $2.0M | Add +2.2% |
| TROW T Rowe Price Group Inc. filed as PRICE T ROWE GROUP INC | 0.33% | 18,175 | $1.9M | Add +10.6% |
| ORCL Oracle Corp. | 0.31% | 8,907 | $1.7M | Reduce -29.8% |
| USB US Bancorp | 0.30% | 31,993 | $1.7M | Add +6.2% |
| GS Goldman Sachs Group Inc. | 0.30% | 1,936 | $1.7M | Reduce -3.6% |
| TJX TJX Companies Inc. filed as TJX COS INC NEW | 0.29% | 10,502 | $1.6M | Reduce -0.2% |
| BNY Bank of New York Mellon Corp. filed as BANK NEW YORK MELLON CORP | 0.28% | 13,537 | $1.6M | Reduce -13.9% |
| GLD SPDR Gold Shares | 0.28% | 3,934 | $1.6M | No change |
| BATRK Atlanta Braves Holdings in-C | 0.27% | 38,395 | $1.5M | Add +21.2% |
| DUK Duke Energy Corp. | 0.26% | 12,434 | $1.5M | Add +3.8% |
| IEFA iShares Core MSCI Eafe ETF | 0.26% | 16,132 | $1.4M | Add +2.5% |
| PSA Public Storage | 0.25% | 5,473 | $1.4M | Reduce -1.3% |
| DTE DTE Energy Company | 0.24% | 10,316 | $1.3M | Reduce -8.5% |
| AMT American Tower Corp. | 0.23% | 7,417 | $1.3M | Add +1.7% |
| EXPE Expedia Group Inc. | 0.23% | 4,545 | $1.3M | No change |
| EMR Emerson Electric Co. | 0.23% | 9,538 | $1.3M | Add +0.0% |
| AEP American Electric Power | 0.22% | 10,532 | $1.2M | Add +7.5% |
| GD General Dynamics Corp. | 0.21% | 3,528 | $1.2M | Reduce -1.5% |
| UL Unilever PLC-Sponsored ADR | 0.20% | 16,933 | $1.1M | Add +3.3% |
| MU Micron Technology Inc. | 0.20% | 3,875 | $1.1M | Reduce -0.1% |
| CLX Clorox Company | 0.20% | 10,966 | $1.1M | Add +8.7% |
| IWR iShares Russell Mid-Cap ETF | 0.19% | 10,872 | $1.0M | No change |
| ORLY O'reilly Automotive Inc. | 0.18% | 11,325 | $1.0M | No change |
| CB Chubb Ltd. | 0.18% | 3,296 | $1.0M | Reduce -3.8% |
| BAC Bank of America Corp. filed as BANK AMERICA CORP | 0.18% | 18,583 | $1.0M | Reduce -1.9% |
| VRTX Vertex Pharmaceuticals Inc. | 0.18% | 2,243 | $1.0M | Add +305.6% |
| BLK BlackRock Inc. | 0.18% | 944 | $1.0M | Reduce -3.6% |
| WMT Walmart Inc. | 0.17% | 8,620 | $960K | Add +1.2% |
| LULU Lululemon Athletica Inc. | 0.16% | 4,405 | $915K | Reduce -8.3% |
| PM Philip Morris International | 0.16% | 5,455 | $875K | No change |
| LRCX Lam Research Corp. | 0.14% | 4,750 | $813K | No change |
| RIO Rio Tinto PLC-Spon ADR | 0.14% | 10,090 | $808K | Add +15.5% |
| INTC Intel Corp. | 0.14% | 21,315 | $787K | Reduce -17.1% |
| AZN Astrazeneca PLC-Spons ADR | 0.14% | 8,379 | $770K | No change |
| MDLZ Mondelez International Inc. Class A | 0.13% | 13,854 | $746K | Add +1.3% |
| GNRC Generac Holdings Inc. | 0.13% | 5,454 | $744K | Reduce -2.3% |
| VWO Vanguard Ftse Emerging Marke | 0.13% | 13,834 | $744K | Add +1.9% |
| MO Altria Group Inc. | 0.13% | 12,890 | $743K | Reduce -4.7% |
Options reported separately and not counted above: DIS calls ($114K).
Portfolio Sells Q3 2025 → Q4 2025
| MSFT Microsoft Corp. | Reduce -1.9% | 7.75% | −1.16 |
| AVGO Broadcom Inc. | Reduce -10.6% | 2.99% | −0.37 |
| ORCL Oracle Corp. | Reduce -29.8% | 0.31% | −0.36 |
| HD Home Depot Inc. | Reduce -2.7% | 0.80% | −0.22 |
| NFLX Netflix Inc. | Reduce -2.2% | 0.54% | −0.20 |
| PG The Procter & Gamble Co. | Reduce -4.1% | 1.03% | −0.18 |
| SYK Stryker Corp. | Reduce -4.7% | 0.91% | −0.15 |
| V Visa Inc. Class A | Reduce -1.4% | 3.23% | −0.13 |
| NVDA Nvidia Corp. | Reduce -5.8% | 1.09% | −0.13 |
| ABBV Abbvie Inc. | Reduce -0.6% | 1.44% | −0.11 |
| SBUX Starbucks Corp. | Reduce -2.1% | 1.26% | −0.10 |
| T AT&T Inc. | Reduce -3.2% | 0.43% | −0.10 |
| JPM JPMorgan Chase & Co. | Reduce -2.0% | 1.93% | −0.10 |
| UNH Unitedhealth Group Inc. | Reduce -44.9% | 0.09% | −0.09 |
| SO The Southern Co. | Reduce -32.2% | 0.12% | −0.08 |
| SPY SS SPDR S&P 500 ETF Trust-US | Reduce -1.9% | 1.68% | −0.08 |
| UNP Union Pacific Corp. | Reduce -0.4% | 0.96% | −0.08 |
| MCD McDonald's Corp. | Reduce -3.0% | 0.87% | −0.07 |
| CVX Chevron Corp. | Reduce 0.0% | 0.95% | −0.07 |
| DIS The Walt Disney Co. | Reduce -3.1% | 0.71% | −0.07 |
| IBM Intl Business Machines Corp. | Reduce -3.5% | 1.71% | −0.07 |
| DTE DTE Energy Company | Reduce -8.5% | 0.24% | −0.06 |
| ADBE Adobe Inc. | Reduce -0.1% | 0.99% | −0.06 |
| CMG Chipotle Mexican Grill Inc. | Sold out | 0.00% | −0.06 |
| DE Deere & Co. | Reduce -5.0% | 0.66% | −0.06 |
| PSA Public Storage | Reduce -1.3% | 0.25% | −0.05 |
| AMZN Amazon.com Inc. | Reduce -1.2% | 3.46% | −0.05 |
| GPC Genuine Parts Co. | Reduce -18.1% | 0.10% | −0.05 |
| GNRC Generac Holdings Inc. | Reduce -2.3% | 0.13% | −0.04 |
| AAPL Apple Inc. | Reduce -1.8% | 9.65% | −0.04 |
| BX Blackstone Inc. | Sold out | 0.00% | −0.04 |
| BNY Bank of New York Mellon Corp. | Reduce -13.9% | 0.28% | −0.04 |
| MPC Marathon Petroleum Corp. | Sold out | 0.00% | −0.04 |
| MO Altria Group Inc. | Reduce -4.7% | 0.13% | −0.04 |
| MMM 3M Co. | Reduce -5.0% | 0.46% | −0.03 |
| BLK BlackRock Inc. | Reduce -3.6% | 0.18% | −0.03 |
| SEE Sealed Air Corp. | Reduce -30.0% | 0.11% | −0.03 |
| DECK Deckers Outdoor Corp. | Reduce -4.6% | 0.39% | −0.03 |
| KHC The Kraft Heinz Co. | Reduce -10.7% | 0.11% | −0.03 |
| QCOM Qualcomm Inc. | Reduce -5.0% | 0.37% | −0.03 |
| GIS General Mills Inc. | Reduce -8.0% | 0.12% | −0.03 |
| GLW Corning Inc. | Reduce -5.7% | 0.54% | −0.02 |
| ABT Abbott Laboratories | Reduce -8.9% | 0.10% | −0.02 |
| CARR Carrier Global Corp. | Reduce -3.0% | 0.11% | −0.02 |
| INTC Intel Corp. | Reduce -17.1% | 0.14% | −0.02 |
| SJM The JM Smucker Co. | Reduce -20.0% | 0.04% | −0.02 |
| SHEL Shell PLC-ADR | Reduce -0.9% | 0.52% | −0.02 |
| GD General Dynamics Corp. | Reduce -1.5% | 0.21% | −0.02 |
| SHW The Sherwin-Williams Co. | Reduce -2.6% | 0.11% | −0.02 |
| GE General Electric | Reduce -1.2% | 0.38% | −0.02 |
Portfolio Buys Q3 2025 → Q4 2025
| BRK.B Berkshire Hathaway Inc. Class B | New | 3.33% | +3.33 |
| LLY Eli Lilly & Co. | Add +4.4% | 1.59% | +0.45 |
| VO Vngrd Mrngstr MD-Cap ETF-Usd | Add +47.8% | 0.56% | +0.16 |
| VRTX Vertex Pharmaceuticals Inc. | Add +305.6% | 0.18% | +0.14 |
| AMGN Amgen Inc. | Add +0.3% | 1.34% | +0.13 |
| UPS United Parcel Service Class B | Add +1.2% | 0.67% | +0.08 |
| TD Toronto-Dominion Bank | New | 0.06% | +0.06 |
| VB Vanguard Most SM-Cap ETF-Usd | Add +15.1% | 0.65% | +0.06 |
| SCHF Schwab Intl Equity ETF | New | 0.04% | +0.04 |
| AXP American Express Co. | Add +0.0% | 0.78% | +0.04 |
| MNST Monster Beverage Corp. | New | 0.04% | +0.04 |
| IWD iShares Russell 1000 Value E | New | 0.04% | +0.04 |
| CMI Cummins Inc. | New | 0.04% | +0.04 |
| RIO Rio Tinto PLC-Spon ADR | Add +15.5% | 0.14% | +0.04 |
| CMCSA Comcast Corp. Class A | Add +54.2% | 0.12% | +0.03 |
| USB US Bancorp | Add +6.2% | 0.30% | +0.03 |
| ASML ASML Holding NV-NY Reg SHS | Add +2.2% | 0.35% | +0.02 |
| BATRK Atlanta Braves Holdings in-C | Add +21.2% | 0.27% | +0.02 |
| IWN iShares Russell 2000 Value E | New | 0.02% | +0.02 |
| CHDN Churchill Downs Inc. | Add +7.9% | 0.12% | +0.02 |
| TROW T Rowe Price Group Inc. | Add +10.6% | 0.33% | +0.02 |
| EQNR Equinor ASA-Spon ADR | Add +49.2% | 0.05% | +0.01 |
| XOM Exxon Mobil Corp. | Add +1.0% | 0.49% | +0.01 |
| AEP American Electric Power | Add +7.5% | 0.22% | +0.01 |
| FDX FedEx Corp. | Add +0.1% | 0.07% | +0.01 |
| WMT Walmart Inc. | Add +1.2% | 0.17% | +0.01 |
| IWM iShares Russell 2000 ETF | New | 0.01% | +0.01 |
| VTI VG Morningstar TS MKT ETF-US | New | 0.00% | +0.00 |
| GEV GE Vernova Inc. | Add +0.2% | 0.11% | +0.00 |
| VXUS Vanguard Total Intl Stock | Add +2.8% | 0.47% | +0.00 |
| VBR Vngrd Mrngst SL-CP Val ETF-U | Add +3.3% | 0.06% | −0.00 |
| IEFA iShares Core MSCI Eafe ETF | Add +2.5% | 0.26% | −0.00 |
| CTVA Corteva Inc. | Add +0.1% | 0.04% | −0.00 |
| SIRI Sirius XM Holdings Inc. | Add +15.7% | 0.05% | −0.00 |
| PEP Pepsico Inc. | Add +2.6% | 0.78% | −0.00 |
| BP BP PLC-Spons ADR | Add +4.0% | 0.78% | −0.00 |
| VWO Vanguard Ftse Emerging Marke | Add +1.9% | 0.13% | −0.01 |
| UL Unilever PLC-Sponsored ADR | Add +3.3% | 0.20% | −0.01 |
| META Meta Platforms Inc. Class A | Add +6.0% | 0.08% | −0.01 |
| VUG Vanguard Mrngstar GR ETF-Sui | Add +2.0% | 0.57% | −0.01 |
| EMR Emerson Electric Co. | Add +0.0% | 0.23% | −0.01 |
| VIG Vanguard Dividend Apprec ETF | Add +1.9% | 0.76% | −0.01 |
| ADP Automatic Data Processing | Add +0.2% | 0.08% | −0.02 |
| PFE Pfizer Inc. | Add +5.7% | 0.85% | −0.02 |
| DUK Duke Energy Corp. | Add +3.8% | 0.26% | −0.02 |
| BSV Vanguard Short-Term Bond ETF | Add +0.1% | 0.46% | −0.02 |
| MDLZ Mondelez International Inc. Class A | Add +1.3% | 0.13% | −0.03 |
| AMT American Tower Corp. | Add +1.7% | 0.23% | −0.03 |
| MDT Medtronic PLC | Add +1.1% | 1.06% | −0.03 |
| CLX Clorox Company | Add +8.7% | 0.20% | −0.04 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 168 | $575.2M | AAPL, MSFT, GOOGL, AMZN, ERIE |
| Q1 2026 | 170 | $525.1M | AAPL, MSFT, GOOGL, ERIE, AMZN |
| Q4 2025 | 173 | $562.5M | AAPL, MSFT, GOOGL, ERIE, AMZN |
| Q3 2025 | 167 | $534.3M | AAPL, MSFT, ERIE, GOOGL, AMZN |
| Q2 2025 | 169 | $508.7M | MSFT, AAPL, ERIE, V, AMZN |
| Q1 2025 | 177 | $489.5M | AAPL, MSFT, ERIE, V, AMZN |
| Q4 2024 | 185 | $523.0M | AAPL, MSFT, ERIE, AMZN, V |
| Q3 2024 | 179 | $573.8M | AAPL, MSFT, ERIE, AMZN, BRK.B |
| Q2 2024 | 170 | $536.4M | AAPL, MSFT, ERIE, AMZN, MRK |
| Q1 2024 | 164 | $493.0M | AAPL, MSFT, ERIE, V, MRK |