Magnite, Inc.
MGNI- Exchange
- Nasdaq
- Industry
- Services-Computer Programming, Data Processing, Etc.
- SEC CIK
- 0001595974
In the last 90 days, Magnite, Inc. insiders filed 0 open-market purchases and 24 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
13F holders, Q3 2021
Institutional positions in Magnite, Inc. as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 279
- +15 vs. Q2 2021
- Shares held
- 90.1M
- +4.77M (+5.6%) vs. Q2 2021
- Total value
- $2.52B
- −$365.5M (−12.7%) vs. Q2 2021
- New holders
- 55
- 97 more added
- Sold out
- 40
- 73 more reduced
4 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MGNI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 311 | $2.69B |
| Q1 2026 | 297 | $1.56B |
| Q4 2025 | 304 | $2.22B |
| Q3 2025 | 316 | $3.00B |
| Q2 2025 | 287 | $3.54B |
| Q1 2025 | 293 | $1.52B |
| Q4 2024 | 286 | $1.97B |
| Q3 2024 | 280 | $1.65B |
| Q2 2024 | 269 | $1.39B |
| Q1 2024 | 232 | $1.10B |
| Q4 2023 | 217 | $959.0M |
| Q3 2023 | 215 | $780.6M |
| Q2 2023 | 224 | $1.39B |
| Q1 2023 | 224 | $892.4M |
| Q4 2022 | 231 | $988.1M |
| Q3 2022 | 218 | $679.0M |
| Q2 2022 | 231 | $781.6M |
| Q1 2022 | 231 | $1.17B |
| Q4 2021 | 248 | $1.57B |
| Q3 2021 | 279 | $2.52B |
| Q2 2021 | 268 | $2.89B |
| Q1 2021 | 280 | $3.59B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Southland Equity Partners LLC | 0 | $0 | 0.00% | −9,763−100.0% | Sold out |
| Salem Investment Counselors Inc | 0 | $0 | 0.00% | −9,430−100.0% | Sold out |
| Pinnacle Associates Ltd | 0 | $0 | 0.00% | −8,250−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −8,005−100.0% | Sold out |
| Intrinsic Edge Capital Management LLC | 0 | $0 | 0.00% | −7,780−100.0% | Sold out |
| W.G. Shaheen & Associates DBA Whitney & Co | 0 | $0 | 0.00% | −6,480−100.0% | Sold out |
| Sigma Planning Corp | 0 | $0 | 0.00% | −6,345−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −4,800−100.0% | Sold out |
| Picton Mahoney Asset Management | 0 | $0 | 0.00% | −3,400−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −3,331−100.0% | Sold out |
| Parisi Gray Wealth Management | 0 | $0 | 0.00% | −2,852−100.0% | Sold out |
| Crewe Advisors LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Lindbrook Capital, LLC | 0 | $0 | 0.00% | −500−100.0% | Sold out |
| Neo Ivy Capital Management | 0 | $0 | 0.00% | −373−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −336−100.0% | Sold out |
| Jefferies Group LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Strategic Blueprint, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Evoke Wealth, LLC | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Berkshire Capital Holdings Inc | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Pictet Asset Management Ltd | – | – | – | – | Not filed |
| Cipher Capital LP | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |
| First Horizon Corp | – | – | – | – | Not filed |