# Tradeweb Markets (TW): value investors who own it

2 value investors held Tradeweb Markets in their Q3 2026 13F, led by Cantillon Capital Management, Horizon Kinetics.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| Cantillon Capital Management | 1.6% | $10.9m | Trimmed -95% | 13 |
| Horizon Kinetics | 0.1% | $9.7m | Added +1750% | 11 |

## Fund holders

| Fund | Manager | Weight | Value | As at |
| --- | --- | --- | --- | --- |
| Horizon Kinetics Inflation Beneficiaries ETF | Horizon Kinetics | 0.6% | $8.0m | 2026-06-30 |

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