# International Business Machines (IBM): who owns it

4 value investors held International Business Machines in their Q3 2026 13F, led by Kahn Brothers, Dodge & Cox, Horizon Kinetics, Mairs & Power.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Kahn Brothers | 0.1% | $345k | Unchanged | 8 |
| Dodge & Cox | 0.0% | $12.9m | Trimmed -1.3% | 53 |
| Horizon Kinetics | 0.0% | $1.0m | Trimmed -0.4% | 19 |
| Mairs & Power | 0.0% | $1.0m | Unchanged | 8 |
| Matrix Asset Advisors | 0.0% | $0k | Sold out | 1 |

## Directors buying and selling (Form 4, last 12 months)

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-08-26 | Thomas Robert David | Senior Vice President | Sold | 25000 | $5.8m |

Source: SEC filings, via moatshark (https://www.moatshark.com/s/ibm). Values traded and returns are estimates. Not investment advice. Built 2026-10-21.