# Comfort Systems USA (FIX): value investors who own it

1 value investor held Comfort Systems USA in their Q3 2026 13F, led by Markel Group. See who bought, sold and how ownership has changed by quarter.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Markel Group | 0.2% | $25.8m | Unchanged | 11 |

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

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-08-26 | Lane Brian E. | CHIEF EXECUTIVE OFF. | Sold | 16024 | $25.8m |
| 2026-08-17 | GEORGE WILLIAM III | CHIEF FINANCIAL OFFICER | Sold | 2554 | $4.7m |
| 2026-08-11 | MYERS FRANKLIN | Director | Sold | 4000 | $6.8m |
| 2026-08-10 | MYERS FRANKLIN | Director | Sold | 3500 | $5.9m |

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