# Rockwell Automation (ROK): value investors who own it

3 value investors held Rockwell Automation in their Q3 2026 13F, led by Mairs & Power, Markel Group, Horizon Kinetics.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Mairs & Power | 1.2% | $128m | Trimmed -9.1% | 28 |
| Markel Group | 0.6% | $76.7m | Unchanged | 45 |
| Horizon Kinetics | 0.0% | $1.9m | Unchanged | 30 |

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

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-09-08 | Woods Isaac | Vice President and Treasurer | Sold | 110 | $48k |
| 2026-09-08 | Woods Isaac | Vice President and Treasurer | Sold | 44 | $19k |
| 2026-09-02 | Bulho Matheus De A G Viera | SVP Software and Control | Sold | 400 | $168k |
| 2026-08-31 | Bulho Matheus De A G Viera | SVP Software and Control | Sold | 467 | $199k |
| 2026-08-27 | Watson Patricia A | Director | Sold | 1100 | $475k |
| 2026-08-20 | Rothe Christian E | Sr. VP and CFO | Sold | 590 | $256k |
| 2026-07-16 | Riesterer Terry L. | Vice President and Controller | Sold | 281 | $127k |

## Fund holders

| Fund | Manager | Weight | Value | As at |
| --- | --- | --- | --- | --- |
| Mairs & Power Growth Fund | Mairs & Power | 1.1% | $60.5m | 2026-06-30 |

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