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# Who owns MAGNITE, INC. (MGNI)? Elite investor 13F holders

4 tracked elite investors reported holding MAGNITE, INC as of 2026-06-30, including First Eagle Investment Management, GAMCO, D.E. Shaw, Ancora Advisors / Ancora Holdings. Who bought, trimmed or exited each quarter, with links to the original SEC 13F filings.

4 tracked investors currently reported holding · Latest report period: 2026-06-30 · Information Technology · Software & Services

Magnite, Inc., together with its subsidiaries, operates an independent omni-channel sell-side advertising platform in the United States and internationally. The company's platform offers applications and services for sellers of digital advertising inventory, or publishers that own and operate CTV channels, applications, websites, and other digital media properties to manage and monetize their…

## Reported holders and securities, including exits (up to 20)

| Investor | Security | Instrument | Report period | Filed | Value | Quantity | Units | Change | Source |
|  --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| [First Eagle Investment Management](https://ownershiptrace.com/13f/investors/32) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-05 00:00:00 | 12731556.00 USD | 670788.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/1325447/0001325447-26-000020-index.html) |
| [GAMCO](https://ownershiptrace.com/13f/investors/137) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-12 00:00:00 | 1197657.00 USD | 63101.000000 | Shares | add | [Original filing](https://www.sec.gov/Archives/edgar/data/807249/0001140361-26-032508-index.html) |
| [Tudor Investment](https://ownershiptrace.com/13f/investors/94675) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/923093/0000902664-26-003485-index.html) |
| [D.E. Shaw](https://ownershiptrace.com/13f/investors/98) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 677947.00 USD | 35719.000000 | Shares | buy | [Original filing](https://www.sec.gov/Archives/edgar/data/1009207/0001104659-26-097217-index.html) |
| [Gotham Asset Management](https://ownershiptrace.com/13f/investors/94672) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 0.00 USD | 0.000000 | Shares | exited | [Original filing](https://www.sec.gov/Archives/edgar/data/1510387/0001398344-26-014644-index.html) |
| [Ancora Advisors / Ancora Holdings](https://ownershiptrace.com/13f/investors/101) | MAGNITE INC | SHARE | 2026-06-30 | 2026-08-14 00:00:00 | 209.00 USD | 11.000000 | Shares | hold | [Original filing](https://www.sec.gov/Archives/edgar/data/1446114/0001446114-26-000012-index.html) |

Public disclosures can be delayed, incomplete, or amended. Report period describes a position date; transaction date describes a reported transaction; filed describes submission. A recent filing or page update does not establish a current holding. A dash means unavailable or not comparable, not zero.

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