Columbia Asset Management — 13F Holdings & Portfolio
CIK 1585047 · latest 13F-HR filed 2026-07-21
Columbia Asset Management manages $575.2M in 13F-reported U.S. long-equity assets across 168 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are AAPL (9.56%), MSFT (5.79%), GOOGL (4.49%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 6 new positions, exited 8, added to 83, and trimmed 38.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 1
ANN ARBOR, MI 48104
$575.2M
Long-equity book
168
Distinct positions
2026-06-30
Filed 2026-07-21
+6 / −8 / ↑83 / ↓38
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- APPLE INC$4.7M +9.3%
- ALPHABET INC$4.5M +21.2%
- CATERPILLAR INC$4.4M +41.4%
- CORNING INC$3.6M +86.1%
- MICRON TECHNOLOGY INC$3.3M +171.7%
Top Trims
- VERIZON COMMUNICATIONS INC-$1.9M -26.3%
- CHEVRON CORPORATION-$1.7M -22.8%
- BP PLC-$1.4M -23.7%
- NIKE INC-$1.1M -20.8%
- ADOBE INC-$1.1M -28.7%
New Positions
- BERKSHIRE HATHAWAY INC DEL$16.9M
- HONEYWELL INTL INC$1.4M
- HONEYWELL AEROSPACE INC$1.4M
- BAKER HUGHES COMPANY$334.1K
- HEWLETT PACKARD ENTERPRISE C$289.6K
Exited Positions
- EXXON MOBIL CORP$3.9M
- HONEYWELL INTL INC$3.0M
- DOW HLDGS INC$417.4K
- GENUINE PARTS CO$391.3K
- KIMBERLY-CLARK CORP$285.6K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | APPLE INC | AAPL | 037833100 | $55.0M | 9.56% | 189,981 | SH |
| 2 | MICROSOFT CORP | MSFT | 594918104 | $33.3M | 5.79% | 89,309 | SH |
| 3 | ALPHABET INC | GOOGL | 02079K305 | $25.8M | 4.49% | 72,262 | SH |
| 4 | AMAZON COM INC | AMZN | 023135106 | $19.2M | 3.34% | 80,573 | SH |
| 5 | ERIE INDTY CO | ERIE | 29530P102 | $17.4M | 3.03% | 72,592 | SH |
| 6 | BROADCOM INC | AVGO | 11135F101 | $17.2M | 2.98% | 45,442 | SH |
| 7 | VISA INC | V | 92826C839 | $17.2M | 2.98% | 50,030 | SH |
| 8 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $16.9M | 2.93% | 33,730 | SH |
| 9 | CATERPILLAR INC | CAT | 149123101 | $15.1M | 2.62% | 14,167 | SH |
| 10 | MERCK & CO INC | MRK | 58933Y105 | $14.2M | 2.47% | 110,475 | SH |
| 11 | JOHNSON & JOHNSON | JNJ | 478160104 | $13.0M | 2.26% | 51,192 | SH |
| 12 | ALPHABET INC | GOOG | 02079K107 | $12.3M | 2.14% | 34,812 | SH |
| 13 | JPMORGAN CHASE & CO | JPM | 46625H100 | $10.4M | 1.81% | 31,797 | SH |
| 14 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $10.3M | 1.80% | 13,834 | SH |
| 15 | CISCO SYS INC | CSCO | 17275R102 | $10.1M | 1.76% | 86,092 | SH |
| 16 | ELI LILLY & CO | LLY | 532457108 | $9.6M | 1.67% | 8,009 | SH |
| 17 | ABBVIE INC | ABBV | 00287Y109 | $8.7M | 1.51% | 34,525 | SH |
| 18 | STARBUCKS CORP | SBUX | 855244109 | $8.1M | 1.42% | 79,734 | SH |
| 19 | INTERNATIONAL BUSINESS MACHS | IBM | 459200101 | $8.0M | 1.39% | 28,403 | SH |
| 20 | AMGEN INC | AMGN | 031162100 | $7.8M | 1.35% | 21,458 | SH |
| 21 | CORNING INC | GLW | 219350105 | $7.8M | 1.35% | 30,362 | SH |
| 22 | NVIDIA CORPORATION | NVDA | 67066G104 | $6.7M | 1.17% | 33,667 | SH |
| 23 | UNION PAC CORP | UNP | 907818108 | $6.3M | 1.10% | 23,314 | SH |
| 24 | CHEVRON CORPORATION | CVX | 166764100 | $5.8M | 1.01% | 34,883 | SH |
| 25 | COCA COLA CO | KO | 191216100 | $5.8M | 1.00% | 70,912 | SH |
| 26 | VERIZON COMMUNICATIONS INC | VZ | 92343V104 | $5.4M | 0.93% | 126,884 | SH |
| 27 | PROCTER & GAMBLE CO | PG | 742718109 | $5.3M | 0.93% | 36,481 | SH |
| 28 | TARGET CORP | TGT | 87612E106 | $5.2M | 0.90% | 39,687 | SH |
| 29 | MICRON TECHNOLOGY INC | MU | 595112103 | $5.2M | 0.90% | 4,487 | SH |
| 30 | VANGUARD INDEX FDS | VB | 922908751 | $5.1M | 0.88% | 16,739 | SH |
| 31 | MEDTRONIC PLC | MDT | G5960L103 | $5.0M | 0.87% | 63,627 | SH |
| 32 | DEERE & CO | DE | 244199105 | $4.9M | 0.86% | 7,771 | SH |
| 33 | BP PLC | BP | 055622104 | $4.6M | 0.81% | 125,505 | SH |
| 34 | VANGUARD STAR FDS | VXUS | 921909768 | $4.6M | 0.80% | 53,920 | SH |
| 35 | PFIZER INC | PFE | 717081103 | $4.6M | 0.80% | 190,168 | SH |
| 36 | VANGUARD SPECIALIZED FUNDS | VIG | 921908844 | $4.5M | 0.79% | 19,204 | SH |
| 37 | PEPSICO INC | PEP | 713448108 | $4.3M | 0.75% | 31,774 | SH |
| 38 | HOME DEPOT INC | HD | 437076102 | $4.3M | 0.74% | 12,102 | SH |
| 39 | STRYKER CORPORATION | SYK | 863667101 | $4.2M | 0.74% | 13,477 | SH |
| 40 | NIKE INC | NKE | 654106103 | $4.2M | 0.74% | 103,137 | SH |
| 41 | MCDONALDS CORP | MCD | 580135101 | $4.2M | 0.73% | 15,584 | SH |
| 42 | COSTCO WHOLESALE CORPORATION | COST | 22160K105 | $4.1M | 0.71% | 4,353 | SH |
| 43 | UNITED PARCEL SVCS INC | UPS | 911312106 | $3.9M | 0.68% | 36,270 | SH |
| 44 | VANGUARD INDEX FDS | VO | 922908629 | $3.7M | 0.64% | 45,947 | SH |
| 45 | AMERICAN EXPRESS CO | AXP | 025816109 | $3.7M | 0.64% | 10,829 | SH |
| 46 | ASML HLDG NV | ASML | N07059210 | $3.5M | 0.62% | 1,779 | SH |
| 47 | VANGUARD INDEX FDS | VUG | 922908736 | $3.5M | 0.60% | 40,157 | SH |
| 48 | DISNEY WALT CO | DIS | 254687106 | $3.2M | 0.55% | 32,832 | SH |
| 49 | CITIGROUP INC | C | 172967424 | $3.1M | 0.54% | 22,127 | SH |
| 50 | SHELL PLC | SHEL | 780259305 | $2.9M | 0.51% | 37,955 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-21 | $575.2M | 168 | 0002085853-26-000792 |
| 2026-03-31 | 2026-04-21 | $525.1M | 170 | 0002085853-26-000430 |
| 2025-12-31 | 2026-01-28 | $562.7M | 174 | 0002085853-26-000122 |