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, Q4 2021
Institutional positions in Magnite, Inc. as of Dec 31, 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
- 248
- −30 vs. Q3 2021
- Shares held
- 89.6M
- −532.7K (−0.6%) vs. Q3 2021
- Total value
- $1.57B
- −$955.6M (−37.9%) vs. Q3 2021
- New holders
- 43
- 91 more added
- Sold out
- 73
- 78 more reduced
1 institution that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Envestnet Asset Management Inc | 21,481 | $376.0K | 0.00% | −10,733−33.3% | Reduced |
| Evanson Asset Management, LLC | 21,802 | $382.0K | 0.03% | −90−0.4% | Reduced |
| Handelsbanken Fonder AB | 22,000 | $385.0K | 0.00% | 00.0% | Unchanged |
| Principal Financial Group Inc | 22,083 | $386.0K | 0.00% | −5,150−18.9% | Reduced |
| B. Riley Wealth Management, Inc. | 22,352 | $391.0K | 0.03% | +5,182+30.2% | Added |
| Janus Henderson Group PLC | 22,387 | $392.0K | 0.00% | +11,278+101.5% | Added |
| Victory Capital Management Inc | 22,738 | $398.0K | 0.00% | −11,986−34.5% | Reduced |
| Amalgamated Bank | 22,855 | $400.0K | 0.00% | −203−0.9% | Reduced |
| Valeo Financial Advisors, LLC | 23,170 | $405.0K | 0.02% | +7,633+49.1% | Added |
| LPL Financial LLC | 23,541 | $412.0K | 0.00% | −19,952−45.9% | Reduced |
| Perkins Capital Management Inc | 23,525 | $412.0K | 0.28% | 00.0% | Unchanged |
| Congress Park Capital LLC | 23,640 | $414.0K | 0.20% | +2,837+13.6% | Added |
| Teacher Retirement System of Texas | 24,137 | $422.0K | 0.00% | +4,775+24.7% | Added |
| Oxbow Advisors, LLC | 24,900 | $436.0K | 0.04% | +7,740+45.1% | Added |
| Alpha Paradigm Partners, LLC | 25,059 | $439.0K | 0.18% | +25,059 | New |
| New York Life Investments Alternatives | 25,750 | $451.0K | 0.30% | +25,750 | New |
| Caption Management, LLC | 26,500 | $465.0K | 0.03% | +26,500 | New |
| SG Americas Securities, LLC | 26,773 | $469.0K | 0.00% | −24,035−47.3% | Reduced |
| Blackhill Capital Inc | 27,615 | $483.0K | 0.04% | 00.0% | Unchanged |
| Virtu Financial LLC | 28,128 | $492.0K | 0.05% | +561+2.0% | Added |
| ProShare Advisors LLC | 28,351 | $496.0K | 0.00% | +11,707+70.3% | Added |
| Cutler Group LP | 30,307 | $530.0K | 0.04% | +23,965+377.9% | Added |
| Commonwealth Equity Services, LLC | 31,890 | $558.0K | 0.00% | −30,720−49.1% | Reduced |
| Stifel Financial Corp | 31,862 | $558.0K | 0.00% | −8,211−20.5% | Reduced |
| Concorde Asset Management, LLC | 31,883 | $558.0K | 0.34% | +13,653+74.9% | Added |
| Twinbeech Capital LP | 32,352 | $566.0K | 0.03% | −44,633−58.0% | Reduced |
| Los Angeles Capital Management LLC | 32,437 | $568.0K | 0.00% | −608−1.8% | Reduced |
| Metropolitan Life Insurance Co | 33,115 | $579.5K | 0.01% | −905−2.7% | Reduced |
| Arizona State Retirement System | 33,559 | $587.0K | 0.00% | +214+0.6% | Added |
| Holocene Advisors, LP | 34,647 | $606.0K | 0.00% | +34,647 | New |
| Engineers Gate Manager LP | 35,051 | $613.0K | 0.03% | −9,164−20.7% | Reduced |
| Verition Fund Management LLC | 36,364 | $636.0K | 0.01% | −12,051−24.9% | Reduced |
| State Board of Administration of Florida Retirement System | 41,411 | $725.0K | 0.00% | +967+2.4% | Added |
| Jump Financial, LLC | 41,490 | $726.0K | 0.05% | −10,387−20.0% | Reduced |
| MetLife Investment Management | 44,965 | $786.9K | 0.01% | 00.0% | Unchanged |
| Renaissance Group LLC | 45,084 | $789.0K | 0.03% | −57−0.1% | Reduced |
| Ergoteles LLC | 45,652 | $799.0K | 0.03% | +45,652 | New |
| Sphinx Trading, LP | 50,000 | $875.0K | 0.90% | +25,000+100.0% | Added |
| CIBC World Markets Inc. | 50,146 | $878.0K | 0.00% | −55,236−52.4% | Reduced |
| Friess Associates LLC | 50,596 | $885.0K | 0.35% | −54,759−52.0% | Reduced |
| Man Group plc | 51,715 | $905.0K | 0.00% | +24,814+92.2% | Added |
| Voya Investment Management LLC | 52,704 | $922.0K | 0.00% | −238,891−81.9% | Reduced |
| Walleye Trading LLC | 52,709 | $922.0K | 0.01% | +47,052+831.7% | Added |
| B. Riley Asset Management, LLC | 52,774 | $924.0K | 0.49% | +52,774 | New |
| Price T Rowe Associates Inc | 53,389 | $934.0K | 0.00% | −26,701−33.3% | Reduced |
| Connacht Asset Management LP | 56,207 | $984.0K | 1.13% | −6,269−10.0% | Reduced |
| Formula Growth Ltd | 56,430 | $988.0K | 0.18% | −28,000−33.2% | Reduced |
| PDT Partners, LLC | 57,672 | $1.01M | 0.08% | +44,547+339.4% | Added |
| First Trust Advisors LP | 58,531 | $1.02M | 0.00% | +34,777+146.4% | Added |
| 1492 Capital Management LLC | 59,274 | $1.04M | 0.51% | +21,753+58.0% | Added |
| Millrace Asset Group, Inc. | 59,338 | $1.04M | 0.61% | −98,933−62.5% | Reduced |
| Russell Investments Group, Ltd. | 63,500 | $1.11M | 0.00% | −70,149−52.5% | Reduced |
| Tudor Investment Corp Et Al | 63,485 | $1.11M | 0.02% | +63,485 | New |
| Dynamic Technology Lab Private Ltd | 64,176 | $1.12M | 0.12% | +49,576+339.6% | Added |
| Manufacturers Life Insurance Company, The | 65,746 | $1.15M | 0.00% | −220−0.3% | Reduced |
| Greenwood Capital Associates LLC | 65,773 | $1.15M | 0.16% | +10,433+18.9% | Added |
| American International Group, Inc. | 69,016 | $1.21M | 0.01% | −2,064−2.9% | Reduced |
| Round Table Services, LLC | 70,000 | $1.23M | 0.23% | −20,000−22.2% | Reduced |
| PEAK6 Investments LLC | 71,512 | $1.25M | 0.04% | +62,720+713.4% | Added |
| Simplex Trading, LLC | 75,473 | $1.32M | 0.04% | +75,473 | New |
| Quantbot Technologies LP | 87,689 | $1.53M | 0.12% | +87,689 | New |
| Royal Bank of Canada | 87,829 | $1.54M | 0.00% | +27,653+46.0% | Added |
| Knights of Columbus Asset Advisors LLC | 92,635 | $1.62M | 0.13% | +24,065+35.1% | Added |
| Boothbay Fund Management, LLC | 92,642 | $1.62M | 0.05% | +58,245+169.3% | Added |
| Advisory Services Network, LLC | 92,752 | $1.62M | 0.05% | +4,330+4.9% | Added |
| Parametric Portfolio Associates LLC | 99,480 | $1.74M | 0.00% | +2,415+2.5% | Added |
| UBS Group AG | 99,963 | $1.75M | 0.00% | +40,730+68.8% | Added |
| HighTower Advisors, LLC | 102,368 | $1.79M | 0.00% | −826−0.8% | Reduced |
| ExodusPoint Capital Management, LP | 102,644 | $1.80M | 0.02% | −273,190−72.7% | Reduced |
| State of Wisconsin Investment Board | 110,000 | $1.93M | 0.00% | −11,000−9.1% | Reduced |
| Kerrisdale Advisers, LLC | 114,923 | $2.01M | 0.42% | +114,923 | New |
| Legal & General Group Plc | 118,234 | $2.07M | 0.00% | +6,984+6.3% | Added |
| Manatuck Hill Partners, LLC | 123,958 | $2.17M | 0.82% | −216,400−63.6% | Reduced |
| Alliancebernstein L.P. | 127,251 | $2.23M | 0.00% | −2,100−1.6% | Reduced |
| HSBC Holdings PLC | 126,180 | $2.23M | 0.00% | −33,371−20.9% | Reduced |
| Brasada Capital Management, LP | 150,503 | $2.27M | 0.43% | −22,494−13.0% | Reduced |
| Woodmont Investment Counsel LLC | 133,150 | $2.33M | 0.30% | +5,679+4.5% | Added |
| State of New Jersey Common Pension Fund D | 136,739 | $2.39M | 0.01% | +28,392+26.2% | Added |
| Rhumbline Advisers | 144,463 | $2.53M | 0.00% | +5,906+4.3% | Added |
| Fuller & Thaler Asset Management, Inc. | 146,120 | $2.56M | 0.01% | +700+0.5% | Added |
| Griffin Asset Management, Inc. | 150,327 | $2.63M | 0.33% | −4,432−2.9% | Reduced |
| Jane Street Group, LLC | 152,730 | $2.67M | 0.01% | −4,610−2.9% | Reduced |
| Cubist Systematic Strategies, LLC | 153,657 | $2.69M | 0.03% | +95,810+165.6% | Added |
| Stephens Inc | 160,874 | $2.81M | 0.04% | +67,119+71.6% | Added |
| Nordea Investment Management AB | 161,140 | $2.94M | 0.00% | +600.0% | Added |
| California State Teachers Retirement System | 176,476 | $3.09M | 0.00% | +6,127+3.6% | Added |
| New York State Common Retirement Fund | 180,386 | $3.16M | 0.00% | −600.0% | Reduced |
| Beacon Investment Advisory Services, Inc. | 188,795 | $3.30M | 0.13% | +26,624+16.4% | Added |
| Acuitas Investments, LLC | 204,745 | $3.58M | 1.53% | +103,580+102.4% | Added |
| Meros Investment Management, LP | 204,745 | $3.58M | 2.62% | +204,745 | New |
| Bank of America Corp | 216,232 | $3.78M | 0.00% | +39,284+22.2% | Added |
| Public Sector Pension Investment Board | 223,000 | $3.90M | 0.02% | +223,000 | New |
| Credit Suisse AG | 237,439 | $4.16M | 0.00% | +55,336+30.4% | Added |
| Deutsche Bank AG | 239,221 | $4.19M | 0.00% | −180,876−43.1% | Reduced |
| Roumell Asset Management, LLC | 240,000 | $4.20M | 5.60% | +240,000 | New |
| California Public Employees Retirement System | 250,249 | $4.38M | 0.00% | −30,473−10.9% | Reduced |
| Investment Management of Virginia LLC | 252,380 | $4.42M | 0.71% | −95,256−27.4% | Reduced |
| Group One Trading, L.P. | 264,837 | $4.63M | 0.09% | +152,485+135.7% | Added |
| Ameriprise Financial Inc | 273,224 | $4.78M | 0.00% | −931,547−77.3% | Reduced |
| Swiss National Bank | 274,300 | $4.80M | 0.00% | +3,900+1.4% | Added |