Which hedge funds own MGNI? MAGNITE INC, Q2 2026 13F holders
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5 of the hedge funds tracked by WhaleCreep disclosed a position in MGNI (MAGNITE INC) in their Q2 2026 13F filings, worth $30.7m in total. The largest holder by portfolio weight is Millennium Management at 0.0% of its book. 1 manager opened a new position this quarter: D. E. Shaw & Co. 2 exited: Brevan Howard Capital Management, Holocene Advisors.
5tracked managers holding
1opened this quarter
2exited this quarter
Which hedge funds hold MGNI? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Millennium Management | Q2 2026 | 0.0% | $14.5m | 764,819 | -38% | reduced |
| Marshall Wace | Q2 2026 | 0.0% | $6.5m | 341,864 | 705% | added |
| Citadel Advisors | Q2 2026 | 0.0% | $9.0m | 472,865 | -55% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $677.9k | 35,719 | – | new |
| Ancora Advisors | Q2 2026 | 0.0% | $209 | 11 | 0% | held |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.1% | $1.6m |
| Holocene Advisors | 0.0% | $1.2m |
How has hedge fund ownership of MGNI changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 5 | $30.7m |
| Q1 2026 | 7 | $31.3m |
| Q4 2025 | 4 | $3.2m |
| Q3 2025 | 4 | $19.6m |
| Q2 2025 | 1 | $265 |
| Q4 2024 | 1 | $4.4m |
| Q3 2024 | 1 | $4.6m |
| Q2 2024 | 1 | $4.1m |
| Q1 2024 | 2 | $5.7m |
| Q4 2023 | 2 | $3.3m |
| Q3 2023 | 2 | $31.9m |
| Q2 2023 | 3 | $34.8m |
| Q1 2023 | 2 | $7.1m |
| Q4 2022 | 2 | $12.1m |
| Q3 2022 | 2 | $5.8m |
| Q2 2022 | 3 | $16.4m |
Counts every tracked manager that disclosed MGNI in that quarter's filing, including managers that have since stopped filing.