# Magnite (MGNI): value investors who own it | moatshark

1 value investor held Magnite in their Q3 2026 13F, led by First Eagle Investment Management.

## 13F holders

| Manager | Portfolio | Value | Change | Quarters held |
| --- | --- | --- | --- | --- |
| First Eagle Investment Management | 0.0% | $12.7m | Added +49% | 7 |

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

| Date | Who | Role | Bought or sold | Shares | Value |
| --- | --- | --- | --- | --- | --- |
| 2026-10-12 | Caine Paul | Director | Sold | 12500 | $316k |
| 2026-09-17 | Knopper Douglas S | Director | Sold | 37337 | $981k |
| 2026-09-17 | Caine Paul | Director | Sold | 7500 | $199k |
| 2026-09-14 | Spillane Robert F | Director | Sold | 10363 | $246k |
| 2026-09-14 | Buonasera David | CHIEF TECHNOLOGY OFFICER | Sold | 1165 | $28k |
| 2026-09-11 | Evans Katie Seitz | See Remarks | Sold | 13997 | $336k |
| 2026-09-10 | Saltz Aaron | CHIEF LEGAL OFFICER | Sold | 40000 | $936k |
| 2026-09-10 | Caine Paul | Director | Sold | 5000 | $118k |
| 2026-09-09 | Evans Katie Seitz | See Remarks | Sold | 11100 | $260k |
| 2026-09-08 | Evans Katie Seitz | See Remarks | Sold | 32285 | $763k |
| 2026-09-02 | Buonasera David | CHIEF TECHNOLOGY OFFICER | Sold | 1043 | $26k |
| 2026-09-01 | Buonasera David | CHIEF TECHNOLOGY OFFICER | Sold | 5371 | $126k |
| 2026-08-28 | Harden Sarah Patricia | Director | Sold | 18436 | $442k |
| 2026-08-26 | Harden Sarah Patricia | Director | Sold | 30550 | $712k |
| 2026-08-18 | Buckley Sean Patrick | See Remarks | Sold | 2759 | $69k |
| 2026-08-17 | Buckley Sean Patrick | See Remarks | Sold | 8271 | $201k |
| 2026-08-14 | Caine Paul | Director | Sold | 7500 | $188k |
| 2026-08-10 | Gephart Brian | CHIEF ACCOUNTING OFFICER | Sold | 12479 | $308k |
| 2026-08-10 | Lam Rachel | Director | Sold | 10000 | $242k |
| 2026-08-10 | Caine Paul | Director | Sold | 5000 | $122k |

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