Cable One Inc
Ownership
Ownership Structure
Who owns Cable One Inc (CABO)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.1% of the shares are freely tradable; institutional investors hold 104.5%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| D. E. Shaw & Co LP | 8.42 | 477,500 | +21.7 | 06/30/2026 |
| Private Management Group Inc | 8.32 | 471,990 | +55.1 | 06/30/2026 |
| BlackRock Inc | 7.84 | 444,925 | -38.0 | 06/30/2026 |
| Bank of Montreal | 7.70 | 436,747 | -1.1 | 06/30/2026 |
| BMO Capital Markets Corp. | 7.70 | 436,747 | -1.1 | 06/30/2026 |
| Davenport & Company LLC | 5.23 | 296,988 | +21.4 | 06/30/2026 |
| American Century Companies Inc | 3.61 | 204,684 | +15.5 | 06/30/2026 |
| Vanguard Capital Management, LLC | 3.51 | 199,099 | +0.1 | 06/30/2026 |
| Graham Holdings Co | 3.22 | 182,439 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Avantis US Small Cap Value ETF | 3.01 | 170,740 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Arntzen Christopher J | Chief Legal Officer, Secretary | 1,843 | 10,137 $ | Aug 1, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Aug 1, 2026 | Arntzen Christopher J | Chief Legal Officer, Secretary | Other | 40 | 39.99 | 1,600 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.