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 25 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
13F holders, Q3 2023
Institutional positions in Magnite, Inc. as of Sep 30, 2023. 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
- 215
- −4 vs. Q2 2023
- Shares held
- 103.5M
- +2.09M (+2.1%) vs. Q2 2023
- Total value
- $780.6M
- −$601.3M (−43.5%) vs. Q2 2023
- New holders
- 35
- 67 more added
- Sold out
- 39
- 66 more reduced
5 institutions that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2023: 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 2023
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Burgundy Asset Management Ltd. | 2,355,258 | $17.8M | 0.22% | +2,355,258 | New |
| Nuveen Asset Management, LLC | 2,565,699 | $19.3M | 0.01% | +145,985+6.0% | Added |
| Geode Capital Management, LLC | 2,672,981 | $20.2M | 0.00% | +110,865+4.3% | Added |
| Kennedy Capital Management, Inc. | 2,692,371 | $20.3M | 0.49% | +74,367+2.8% | Added |
| State Street Corp | 2,801,385 | $21.1M | 0.00% | +41,527+1.5% | Added |
| Wellington Management Group LLP | 2,887,412 | $21.8M | 0.00% | +795,145+38.0% | Added |
| Bank of New York Mellon Corp | 3,453,644 | $26.0M | 0.01% | −34,816−1.0% | Reduced |
| Nine Ten Capital Management LLC | 3,931,014 | $29.6M | 9.05% | +3,931,014 | New |
| Rubric Capital Management LP | 4,000,000 | $30.2M | 1.27% | +1,785,978+80.7% | Added |
| FMR LLC | 4,400,312 | $33.2M | 0.00% | −2,920,870−39.9% | Reduced |
| Dimensional Fund Advisors LP | 5,687,768 | $42.9M | 0.01% | +750,048+15.2% | Added |
| Edenbrook Capital, LLC | 5,848,398 | $44.1M | 21.42% | −103,618−1.7% | Reduced |
| Granahan Investment Management Inc | 7,203,803 | $54.3M | 1.94% | −349,191−4.6% | Reduced |
| BlackRock Inc. | 9,226,929 | $69.6M | 0.00% | +157,688+1.7% | Added |
| Vanguard Group Inc | 12,441,904 | $93.8M | 0.00% | +14,707+0.1% | Added |
| G2 Investment Partners Management LLC | 0 | $0 | 0.00% | −756,036−100.0% | Sold out |
| Cannell Capital LLC | 0 | $0 | 0.00% | −646,404−100.0% | Sold out |
| Engle Capital Management, L.P. | 0 | $0 | 0.00% | −622,000−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −601,430−100.0% | Sold out |
| Castleark Management LLC | 0 | $0 | 0.00% | −409,820−100.0% | Sold out |
| iA Global Asset Management Inc. | 0 | $0 | 0.00% | −356,730−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −340,700−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −296,754−100.0% | Sold out |
| Fred Alger Management, LLC | 0 | $0 | 0.00% | −272,714−100.0% | Sold out |
| State of New Jersey Common Pension Fund D | 0 | $0 | 0.00% | −201,669−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −151,045−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −86,181−100.0% | Sold out |
| 1492 Capital Management LLC | 0 | $0 | 0.00% | −78,974−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −72,209−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −60,923−100.0% | Sold out |
| Legato Capital Management LLC | 0 | $0 | 0.00% | −51,250−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −44,878−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −43,427−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −43,029−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −41,812−100.0% | Sold out |
| Level Four Advisory Services, LLC | 0 | $0 | 0.00% | −33,784−100.0% | Sold out |
| Janney Montgomery Scott LLC | 0 | $0 | 0.00% | −32,289−100.0% | Sold out |
| Brown Advisory Inc | 0 | $0 | 0.00% | −28,816−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −27,466−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −24,057−100.0% | Sold out |
| CM Wealth Advisors LLC | 0 | $0 | 0.00% | −15,290−100.0% | Sold out |
| Arrowstreet Capital, Limited Partnership | 0 | $0 | 0.00% | −13,813−100.0% | Sold out |
| Schonfeld Strategic Advisors LLC | 0 | $0 | 0.00% | −13,200−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −12,877−100.0% | Sold out |
| Marex Group plc | 0 | $0 | 0.00% | −11,936−100.0% | Sold out |
| Teacher Retirement System of Texas | 0 | $0 | 0.00% | −10,212−100.0% | Sold out |
| Coppell Advisory Solutions LLC | 0 | $0 | 0.00% | −3,809−100.0% | Sold out |
| GWM Advisors LLC | 0 | $0 | 0.00% | −1,040−100.0% | Sold out |
| Macroview Investment Management LLC | 0 | $0 | 0.00% | −911−100.0% | Sold out |
| Pittenger & Anderson Inc | 0 | $0 | 0.00% | −432−100.0% | Sold out |
| Farther Finance Advisors, LLC | 0 | $0 | 0.00% | −400−100.0% | Sold out |
| Tucker Asset Management LLC | 0 | $0 | 0.00% | −295−100.0% | Sold out |
| Bogart Wealth, LLC | 0 | $0 | 0.00% | −99−100.0% | Sold out |
| Elequin Capital LP | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Lapides Asset Management, LLC | – | – | – | – | Not filed |
| Aj Wealth Strategies, LLC | – | – | – | – | Not filed |
| EA Series Trust | – | – | – | – | Not filed |
| Pictet Asset Management SA | – | – | – | – | Not filed |
| Kistler-Tiffany Companies, LLC | – | – | – | – | Not filed |