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, Q4 2023
Institutional positions in Magnite, Inc. as of Dec 31, 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
- 217
- +3 vs. Q3 2023
- Shares held
- 102.7M
- −805.1K (−0.8%) vs. Q3 2023
- Total value
- $959.0M
- +$178.5M (+22.9%) vs. Q3 2023
- New holders
- 31
- 61 more added
- Sold out
- 28
- 70 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2023
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Northern Trust Corp | 1,356,321 | $12.7M | 0.00% | +4,470+0.3% | Added |
| Royce & Associates LP | 1,806,991 | $16.9M | 0.16% | +168,823+10.3% | Added |
| Victory Capital Management Inc | 1,979,308 | $18.5M | 0.02% | −67,426−3.3% | Reduced |
| Kennedy Capital Management, Inc. | 2,390,886 | $22.3M | 0.49% | −301,485−11.2% | Reduced |
| Burgundy Asset Management Ltd. | 2,431,110 | $22.7M | 0.25% | +75,852+3.2% | Added |
| Geode Capital Management, LLC | 2,830,547 | $26.4M | 0.00% | +157,566+5.9% | Added |
| Nuveen Asset Management, LLC | 2,901,173 | $27.1M | 0.01% | +335,474+13.1% | Added |
| Wellington Management Group LLP | 2,939,541 | $27.5M | 0.01% | +52,129+1.8% | Added |
| State Street Corp | 2,965,924 | $27.7M | 0.00% | +164,539+5.9% | Added |
| Bank of New York Mellon Corp | 3,189,374 | $29.8M | 0.01% | −264,270−7.7% | Reduced |
| Nine Ten Capital Management LLC | 4,132,633 | $38.6M | 9.71% | +201,619+5.1% | Added |
| Dimensional Fund Advisors LP | 5,439,260 | $50.8M | 0.01% | −248,508−4.4% | Reduced |
| Edenbrook Capital, LLC | 5,848,398 | $54.6M | 23.53% | 00.0% | Unchanged |
| Granahan Investment Management Inc | 6,726,268 | $62.8M | 2.08% | −477,535−6.6% | Reduced |
| FMR LLC | 6,965,527 | $65.1M | 0.00% | +2,565,215+58.3% | Added |
| BlackRock Inc. | 10,030,800 | $93.7M | 0.00% | +803,871+8.7% | Added |
| Vanguard Group Inc | 12,651,675 | $118.2M | 0.00% | +209,771+1.7% | Added |
| Rubric Capital Management LP | 0 | $0 | 0.00% | −4,000,000−100.0% | Sold out |
| Driehaus Capital Management LLC | 0 | $0 | 0.00% | −795,157−100.0% | Sold out |
| Madison Asset Management, LLC | 0 | $0 | 0.00% | −359,038−100.0% | Sold out |
| Harspring Capital Management, LLC | 0 | $0 | 0.00% | −250,000−100.0% | Sold out |
| First Eagle Investment Management, LLC | 0 | $0 | 0.00% | −225,379−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −121,329−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −96,058−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −25,204−100.0% | Sold out |
| Seldon Capital LP | 0 | $0 | 0.00% | −24,400−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −21,290−100.0% | Sold out |
| State of Wyoming | 0 | $0 | 0.00% | −20,163−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −17,379−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −16,496−100.0% | Sold out |
| Bank of Montreal | 0 | $0 | 0.00% | −13,583−100.0% | Sold out |
| Stifel Financial Corp | 0 | $0 | 0.00% | −10,955−100.0% | Sold out |
| American Trust | 0 | $0 | 0.00% | −10,523−100.0% | Sold out |
| Creative Planning | 0 | $0 | 0.00% | −5,865−100.0% | Sold out |
| Johnson Financial Group, Inc. | 0 | $0 | 0.00% | −5,500−100.0% | Sold out |
| Allspring Global Investments Holdings, LLC | 0 | $0 | 0.00% | −2,704−100.0% | Sold out |
| Headinvest, LLC | 0 | $0 | 0.00% | −2,280−100.0% | Sold out |
| Whittier Trust Co | 0 | $0 | 0.00% | −1,709−100.0% | Sold out |
| Sugarloaf Wealth Management, LLC | 0 | $0 | 0.00% | −1,082−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Baker Avenue Asset Management, LP | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| Concord Wealth Partners | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| Manchester Capital Management LLC | 0 | $0 | 0.00% | −57−100.0% | Sold out |
| Authentikos Wealth Advisory, LLC | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| PFG Private Wealth Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |
| Connacht Asset Management LP | – | – | – | – | Not filed |