13F GuideFiling Basics
What is SEC Form 13F? Ultimate Guide to Institutional Equity Filings
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
AlphaSMO Research GuideRead Guide
CIK: 0001585047
Total reported value
$575.2M
$575.2M
173 檔
28.2%
At the close of Q4 2025, Columbia Asset Management disclosed equity holdings valued at approximately $575.2M, spread across 173 reported holdings.
Columbia Asset Management executed strategic sector rebalancing during Q4 2025, establishing 5 new positions while fully exiting 4 holdings and trimming 24 positions.
| # | Ticker | Issuer | Asset Subclass | Weight | Weight Change | Shares Change | 4Q Trend |
|---|---|---|---|---|---|---|---|
| 1 | AAPL | Apple Inc | Stock-Tech | 9.65% | -0.01% | -1.82% | |
| 2 | MSFT | Microsoft CORP | Stock-Tech | 7.75% | -0.56% | -1.92% | |
| 3 | GOOGL | Alphabet Inc-cl A | Stock-Comm Services | 4.29% | +0.43% | -4.22% | |
| 4 | ERIE | Erie Indemnity Company-cl A | Stock-Financials | 3.66% | -0.44% | +0.56% | |
| 5 | AMZN | Amazon.com Inc | Stock-Consumer Disc | 3.46% | -0.01% | -1.17% | |
| 6 | BRK-B | Berkshire Hathaway Inc-cl B | Stock-Other | 3.33% | +2.93% | NEW | |
| 7 | V | Visa Inc-class A Shares | Stock-Financials | 3.23% | +0.04% | -1.45% | |
| 8 | AVGO | Broadcom Inc | Stock-Tech | 2.99% | +0.18% | -10.57% | |
| 9 | MRK | Merck & Co. Inc. | Stock-Healthcare | 2.09% | -0.09% | -1.42% | |
| 10 | JNJ | Johnson & Johnson | Stock-Healthcare | 2.06% | -0.27% | -1.47% | |
| 11 | GOOG | Alphabet Inc-cl C | Stock-Comm Services | 2.00% | +0.19% | -4.86% | |
| 12 | JPM | Jpmorgan Chase & Co | Stock-Financials | 1.93% | -0.04% | -2.01% | |
| 13 | IBM | Intl Business Machines CORP | Stock-Tech | 1.71% | +0.04% | -3.45% | |
| 14 | SPY | Ss Spdr S&p 500 ETF Trust-us | ETF-Large Cap & Growth | 1.68% | +0.05% | -1.87% | |
| 15 | LLY | Eli Lilly & Co | Stock-Healthcare | 1.59% | +0.19% | +4.40% | |
| 16 | CAT | Caterpillar Inc | Stock-Industrials | 1.54% | +0.59% | -2.44% | |
| 17 | ABBV | Abbvie Inc | Stock-Healthcare | 1.44% | +0.05% | -0.62% | |
| 18 | AMGN | Amgen Inc | Stock-Healthcare | 1.34% | -0.15% | +0.27% | |
| 19 | CSCO | Cisco Systems Inc | Stock-Tech | 1.33% | +0.43% | -3.78% | |
| 20 | SBUX | Starbucks CORP | Stock-Consumer Disc | 1.26% | +0.03% | -2.14% | |
| 21 | NKE | Nike Inc -cl B | Stock-Consumer Disc | 1.09% | -0.28% | +6.27% | |
| 22 | NVDA | Nvidia CORP | Stock-Tech | 1.09% | +0.07% | -5.81% | |
| 23 | VZ | Verizon Communications Inc | Stock-Comm Services | 1.06% | -0.46% | +1.52% | |
| 24 | MDT | Medtronic plc | Stock-Healthcare | 1.06% | -0.15% | +1.12% | |
| 25 | PG | Procter & Gamble Co/the | Stock-Consumer Staples | 1.03% | -0.16% | -4.12% | |
| 26 | ADBE | Adobe Inc | Stock-Tech | 0.99% | -0.25% | -0.06% | |
| 27 | UNP | Union Pacific CORP | Stock-Industrials | 0.96% | -0.02% | -0.40% | |
| 28 | CVX | Chevron CORP | Stock-Energy | 0.95% | -0.42% | -0.00% | |
| 29 | KO | Coca-cola Co/the | Stock-Consumer Staples | 0.91% | -0.05% | -0.45% | |
| 30 | SYK | Stryker CORP | Stock-Healthcare | 0.91% | -0.14% | -4.71% | |
| 31 | MCD | Mcdonald's CORP | Stock-Consumer Disc | 0.87% | -0.21% | -3.03% | |
| 32 | PFE | Pfizer Inc | Stock-Healthcare | 0.85% | -0.24% | +5.74% | |
| 33 | HD | Home Depot Inc | Stock-Consumer Disc | 0.80% | -0.05% | -2.71% | |
| 34 | PEP | Pepsico Inc | Stock-Consumer Staples | 0.78% | -0.20% | +2.62% | |
| 35 | AXP | American Express Co | Stock-Financials | 0.78% | -0.04% | +0.01% | |
| 36 | BP | Bp Plc-spons Adr | Stock-Energy | 0.78% | -0.35% | +4.03% | |
| 37 | VIG | Vanguard Dividend Apprec ETF | ETF-Other | 0.76% | -0.03% | +1.88% | |
| 38 | DIS | Walt Disney Co/the | Stock-Comm Services | 0.73% | -0.09% | -3.01% | |
| 39 | COST | Costco Wholesale CORP | Stock-Consumer Staples | 0.69% | -0.14% | +0.11% | |
| 40 | UPS | United Parcel Service-cl B | Stock-Industrials | 0.67% | -0.06% | +1.23% | |
| 41 | TGT | Target CORP | Stock-Consumer Disc | 0.66% | -0.07% | -1.73% | |
| 42 | DE | Deere & Co | Stock-Industrials | 0.66% | — | -5.05% | |
| 43 | VB | Vanguard Small-cap ETF | ETF-Other | 0.64% | +0.04% | +15.13% | |
| 44 | VUG | Vanguard Growth ETF | ETF-Other | 0.57% | +0.02% | +2.00% | |
| 45 | VO | Vanguard Mid-cap ETF | ETF-Other | 0.56% | +0.01% | +47.75% | |
| 46 | NFLX | Netflix Inc | Stock-Comm Services | 0.54% | -0.17% | +878.33% | |
| 47 | GLW | Corning Inc | Stock-Tech | 0.54% | +0.56% | -5.65% | |
| 48 | C | Citigroup Inc | Stock-Financials | 0.54% | +0.03% | -8.82% | |
| 49 | SHEL | Shell Plc-adr | Stock-Energy | 0.52% | -0.18% | -0.91% | |
| 50 | SONY | Sony Group CORP - Sp Adr | Stock-Tech | 0.50% | -0.08% | +0.53% |
| # | Ticker | Issuer | Weight Change | Shares Change | Action |
|---|---|---|---|---|---|
| 1 | GOOGL | Alphabet Inc-cl A | +0.6% | -4.22% | Trim |
| 2 | LLY | Eli Lilly & Co | +0.5% | +4.40% | Add |
| 3 | MRK | Merck & Co. Inc. | +0.3% | -1.42% | Trim |
| 4 | GOOG | Alphabet Inc-cl C | +0.3% | -4.86% | Trim |
| 5 | CAT | Caterpillar Inc | +0.2% | -2.44% | Trim |
| 6 | VO | Vanguard Mid-cap ETF | +0.2% | +47.75% | Add |
| 7 | VRTX | Vertex Pharmaceuticals Inc | +0.1% | +305.61% | Add |
| 8 | AMGN | Amgen Inc | +0.1% | +0.27% | Add |
| 9 | JNJ | Johnson & Johnson | +0.1% | -1.47% | Trim |
| 10 | UPS | United Parcel Service-cl B | +0.1% | +1.23% | Add |
| 11 | MU | Micron Technology Inc | +0.1% | -0.13% | Trim |
| 12 | VB | Vanguard Small-cap ETF | +0.1% | +15.13% | Add |
| 13 | EXPE | Expedia Group Inc | +0.1% | — | Unchanged |
| 14 | CSCO | Cisco Systems Inc | 0% | -3.78% | Trim |
| 15 | AXP | American Express Co | 0% | +0.01% | Add |
| 16 | USB | US Bancorp | 0% | +6.23% | Add |
| 17 | RIO | Rio Tinto Plc-spon Adr | 0% | +15.49% | Add |
| 18 | CMCSA | Comcast Corp-class A | 0% | +54.22% | Add |
| 19 | ASML | ASML Holding N.V. | 0% | +2.20% | Add |
| 20 | TGT | Target CORP | 0% | -1.73% | Trim |
| 21 | KO | Coca-cola Co/the | — | -0.45% | Trim |
| 22 | AAPL | Apple Inc | 0% | -1.82% | Trim |
| 23 | AMZN | Amazon.com Inc | -0.1% | -1.17% | Trim |
| 24 | GPC | Genuine Parts Co | -0.1% | -18.08% | Trim |
| 25 | DTE | Dte Energy Company | -0.1% | -8.49% | Trim |
| 26 | SO | Southern Co/the | -0.1% | -32.17% | Trim |
| 27 | COST | Costco Wholesale CORP | -0.1% | +0.11% | Add |
| 28 | SONY | Sony Group CORP - Sp Adr | -0.1% | +0.53% | Add |
| 29 | UNH | Unitedhealth Group Inc | -0.1% | -44.87% | Trim |
| 30 | T | At&t Inc | -0.1% | -3.18% | Trim |
| 31 | NVDA | Nvidia CORP | -0.1% | -5.81% | Trim |
| 32 | VZ | Verizon Communications Inc | -0.1% | +1.52% | Add |
| 33 | V | Visa Inc-class A Shares | -0.1% | -1.45% | Trim |
| 34 | SYK | Stryker CORP | -0.2% | -4.71% | Trim |
| 35 | PG | Procter & Gamble Co/the | -0.2% | -4.12% | Trim |
| 36 | NFLX | Netflix Inc | -0.2% | +878.33% | Add |
| 37 | HD | Home Depot Inc | -0.2% | -2.71% | Trim |
| 38 | ORCL | Oracle CORP | -0.4% | -29.84% | Trim |
| 39 | AVGO | Broadcom Inc | -0.4% | -10.57% | Trim |
| 40 | ERIE | Erie Indemnity Company-cl A | -0.6% | +0.56% | Add |
| 41 | MSFT | Microsoft CORP | -1.2% | -1.92% | Trim |
| 42 | BRK-B | Berkshire Hathaway Inc-cl B | — | NEW | New buy |
| 43 | UL | Unilever Plc-sponsored Adr | — | NEW | New buy |
| 44 | UL | Unilever PLC | — | EXIT | Sold out |
| 45 | TD | Toronto-dominion Bank | — | NEW | New buy |
| 46 | CMG | Chipotle Mexican Grill Inc | — | EXIT | Sold out |
| 47 | SCHF | Schwab Intl Equity ETF | — | NEW | New buy |
| 48 | BX | Blackstone Inc | — | EXIT | Sold out |
| 49 | MNST | Monster Beverage CORP | — | NEW | New buy |
| 50 | MPC | Marathon Petroleum CORP | — | EXIT | Sold out |
According to official SEC Form 13F filings, Columbia Asset Management reported a total U.S. public equity portfolio value of $575.2M across 173 disclosed positions in Q4 2025.
Expert Analysis & Guides for Tracking Wall Street Smart Money Movements
Learn how SEC Form 13F filings work, the $100M threshold, 45-day reporting lag, and how to track top hedge fund holdings.
In terms of portfolio concentration, the top 5 core holdings (including AAPL, MSFT, GOOGL) accounted for 28.2% of total reported equity market value during Q4 2025.
Top New Position Initiated
BRK-B
市值: $18.7M
Top Position Liquidated / Trimmed
UL
前期市值: $1.1M
During Q4 2025, Columbia Asset Management's top holdings by market value included AAPL (9.7%)、MSFT (7.8%)、GOOGL (4.3%). The largest single position, AAPL, represented 9.7% of total portfolio value.
In Q4 2025, Columbia Asset Management made 49 total portfolio adjustments, initiating 5 new buys, adding to 16 positions, trimming 24 holdings, and fully liquidating 4 stocks.
All holding records on this page are fetched directly from the U.S. Securities and Exchange Commission (SEC) EDGAR system (Form 13F-HR). AlphaSMO parses CUSIP identifiers and formats data into Schema.org-compliant datasets.
Understand SEC Form 4 insider disclosures for corporate officers, directors, and 10% owners to track executive transactions.
Understand Rule 144 restricted stock sale notices to spot planned insider liquidations before market sell pressure arrives.
Explore the 5% beneficial ownership threshold, 13D vs 13G filing differences, and recent SEC accelerated deadline rules.
Best practices for analyzing 13F quarterly changes without getting misled by stock splits, options, or market valuation drift.
Learn how AlphaSMO's flagship signal detects high-conviction stocks where 13F hedge funds and corporate insiders buy at the same time.