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 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 |
|---|---|---|---|---|---|
| Seelaus Asset Management LLC | 11,305 | $317.0K | 0.19% | +11,305 | New |
| Resolute Partners Group | 11,500 | $322.0K | 0.04% | 00.0% | Unchanged |
| Silvant Capital Management LLC | 11,818 | $331.0K | 0.06% | −9,379−44.2% | Reduced |
| Cerity Partners LLC | 11,848 | $332.0K | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 11,964 | $335.0K | 0.04% | +11,964 | New |
| Wedbush Securities Inc | 12,363 | $346.0K | 0.02% | +2,250+22.2% | Added |
| Kestra Advisory Services, LLC | 13,087 | $366.0K | 0.00% | +6,793+107.9% | Added |
| Blueshift Asset Management, LLC | 13,144 | $368.0K | 0.02% | −38,491−74.5% | Reduced |
| PDT Partners, LLC | 13,125 | $368.0K | 0.03% | −8,714−39.9% | Reduced |
| First National Bank | 13,265 | $371.0K | 0.35% | +13,265 | New |
| Raymond James & Associates | 13,360 | $374.0K | 0.00% | −1,597−10.7% | Reduced |
| Cresset Asset Management, LLC | 13,593 | $380.0K | 0.01% | −901−6.2% | Reduced |
| Banque Cantonale Vaudoise | 14,174 | $397.0K | 0.02% | −496−3.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 14,600 | $409.0K | 0.05% | −20,873−58.8% | Reduced |
| Public Employees Retirement Association of Colorado | 14,986 | $420.0K | 0.00% | 00.0% | Unchanged |
| Pearl River Capital, LLC | 15,285 | $428.0K | 0.12% | +15,285 | New |
| Valeo Financial Advisors, LLC | 15,537 | $435.0K | 0.03% | 00.0% | Unchanged |
| ProShare Advisors LLC | 16,644 | $466.0K | 0.00% | −1,201,005−98.6% | Reduced |
| Two Sigma Securities, LLC | 16,815 | $471.0K | 0.10% | +16,815 | New |
| Truist Financial Corp | 16,870 | $472.0K | 0.00% | −6,295−27.2% | Reduced |
| Quadrature Capital Ltd | 16,897 | $473.0K | 0.02% | −55,060−76.5% | Reduced |
| Oxbow Advisors, LLC | 17,160 | $480.0K | 0.05% | +1,800+11.7% | Added |
| B. Riley Wealth Management, Inc. | 17,170 | $481.0K | 0.04% | +1,123+7.0% | Added |
| Concorde Asset Management, LLC | 18,230 | $510.0K | 0.29% | +18,230 | New |
| Kamunting Street Capital Management, L.P. | 18,767 | $525.0K | 0.29% | +18,767 | New |
| Cambridge Investment Research Advisors, Inc. | 19,241 | $539.0K | 0.00% | −7,609−28.3% | Reduced |
| Teacher Retirement System of Texas | 19,362 | $542.0K | 0.00% | +6,133+46.4% | Added |
| First Republic Investment Management, Inc. | 20,726 | $580.0K | 0.00% | +20,726 | New |
| Congress Park Capital LLC | 20,803 | $582.0K | 0.30% | −17,625−45.9% | Reduced |
| Seven Eight Capital, LP | 21,373 | $598.0K | 0.06% | +11,900+125.6% | Added |
| Stony Point Wealth Management Inc. | 21,888 | $613.0K | 0.37% | +21,888 | New |
| Handelsbanken Fonder AB | 22,000 | $616.0K | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 22,696 | $633.0K | 0.00% | −101,839−81.8% | Reduced |
| Exchange Traded Concepts, LLC | 22,602 | $633.0K | 0.02% | −706−3.0% | Reduced |
| Amalgamated Bank | 23,058 | $646.0K | 0.01% | +3,221+16.2% | Added |
| Leonteq Securities AG | 23,330 | $653.2K | 0.04% | −483−2.0% | Reduced |
| Prelude Capital Management, LLC | 23,412 | $656.0K | 0.04% | −22,029−48.5% | Reduced |
| Perkins Capital Management Inc | 23,525 | $659.0K | 0.41% | 00.0% | Unchanged |
| First Trust Advisors LP | 23,754 | $665.0K | 0.00% | −93,980−79.8% | Reduced |
| Advisor Group Holdings, Inc. | 24,311 | $683.0K | 0.00% | −1,320−5.2% | Reduced |
| Sphinx Trading, LP | 25,000 | $700.0K | 0.93% | +25,000 | New |
| Shay Capital LLC | 25,048 | $701.0K | 0.22% | +20,048+401.0% | Added |
| Man Group plc | 26,901 | $754.0K | 0.00% | +16,924+169.6% | Added |
| Principal Financial Group Inc | 27,233 | $763.0K | 0.00% | +10,438+62.1% | Added |
| Virtu Financial LLC | 27,567 | $772.0K | 0.07% | +27,567 | New |
| Blackhill Capital Inc | 27,615 | $773.0K | 0.07% | 00.0% | Unchanged |
| Evanson Asset Management, LLC | 21,892 | $808.0K | 0.08% | 00.0% | Unchanged |
| Paloma Partners Management Co | 29,652 | $831.0K | 0.04% | −53,477−64.3% | Reduced |
| Envestnet Asset Management Inc | 32,214 | $902.0K | 0.00% | +12,483+63.3% | Added |
| Oppenheimer & Co Inc | 32,200 | $902.0K | 0.02% | +32,200 | New |
| Los Angeles Capital Management LLC | 33,045 | $925.0K | 0.00% | −2,075−5.9% | Reduced |
| AQR Capital Management LLC | 33,265 | $931.0K | 0.00% | +5,252+18.7% | Added |
| Arizona State Retirement System | 33,345 | $934.0K | 0.01% | +3,501+11.7% | Added |
| Metropolitan Life Insurance Co | 34,020 | $952.6K | 0.01% | +5,493+19.3% | Added |
| Boothbay Fund Management, LLC | 34,397 | $963.0K | 0.04% | +3,697+12.0% | Added |
| Victory Capital Management Inc | 34,724 | $972.0K | 0.00% | +4,726+15.8% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 36,000 | $1.01M | 0.00% | −55,104−60.5% | Reduced |
| 1492 Capital Management LLC | 37,521 | $1.05M | 0.54% | +37,521 | New |
| G2 Investment Partners Management LLC | 40,000 | $1.12M | 0.19% | +14,000+53.8% | Added |
| Stifel Financial Corp | 40,073 | $1.12M | 0.00% | +7,796+24.2% | Added |
| State Board of Administration of Florida Retirement System | 40,444 | $1.13M | 0.00% | +240+0.6% | Added |
| LPL Financial LLC | 43,493 | $1.22M | 0.00% | +8,171+23.1% | Added |
| Engineers Gate Manager LP | 44,215 | $1.24M | 0.07% | +44,215 | New |
| MetLife Investment Management | 44,965 | $1.26M | 0.01% | +7,905+21.3% | Added |
| Cannon Global Investment Management, LLC | 45,000 | $1.26M | 1.89% | +45,000 | New |
| Renaissance Group LLC | 45,141 | $1.26M | 0.05% | +45,141 | New |
| Verition Fund Management LLC | 48,415 | $1.36M | 0.02% | +34,460+246.9% | Added |
| NN Investment Partners Holdings N.V. | 50,800 | $1.42M | 0.01% | −500−1.0% | Reduced |
| SG Americas Securities, LLC | 50,808 | $1.42M | 0.01% | +45,030+779.3% | Added |
| Jump Financial, LLC | 51,877 | $1.45M | 0.10% | −19,823−27.6% | Reduced |
| Calamos Advisors LLC | 52,468 | $1.47M | 0.01% | −112,804−68.3% | Reduced |
| Greenwood Capital Associates LLC | 55,340 | $1.55M | 0.24% | +789+1.4% | Added |
| Mutual of America Capital Management LLC | 55,856 | $1.56M | 0.02% | −805−1.4% | Reduced |
| Cubist Systematic Strategies, LLC | 57,847 | $1.62M | 0.02% | −110,527−65.6% | Reduced |
| UBS Group AG | 59,233 | $1.66M | 0.00% | −160,167−73.0% | Reduced |
| Royal Bank of Canada | 60,176 | $1.69M | 0.00% | −52,332−46.5% | Reduced |
| TCW Group Inc | 61,261 | $1.72M | 0.02% | −3,345−5.2% | Reduced |
| Connacht Asset Management LP | 62,476 | $1.75M | 2.00% | +9,330+17.6% | Added |
| Commonwealth Equity Services, LLC | 62,610 | $1.75M | 0.00% | +2,260+3.7% | Added |
| Manufacturers Life Insurance Company, The | 65,966 | $1.85M | 0.00% | +7,166+12.2% | Added |
| Old Mission Capital LLC | 68,355 | $1.91M | 0.09% | +68,355 | New |
| Knights of Columbus Asset Advisors LLC | 68,570 | $1.92M | 0.17% | +68,570 | New |
| American International Group, Inc. | 71,080 | $1.99M | 0.01% | +12,218+20.8% | Added |
| Twinbeech Capital LP | 76,985 | $2.16M | 0.15% | +76,985 | New |
| Price T Rowe Associates Inc | 80,090 | $2.24M | 0.00% | +29,372+57.9% | Added |
| Formula Growth Ltd | 84,430 | $2.36M | 0.34% | 00.0% | Unchanged |
| Kennedy Capital Management, Inc. | 87,050 | $2.44M | 0.05% | +87,050 | New |
| VisionPoint Advisory Group, LLC | 108,126 | $2.45M | 1.09% | +108,126 | New |
| Advisory Services Network, LLC | 88,422 | $2.48M | 0.08% | −6,243−6.6% | Reduced |
| Round Table Services, LLC | 90,000 | $2.52M | 0.54% | 00.0% | Unchanged |
| Stephens Inc | 93,755 | $2.63M | 0.04% | +38,835+70.7% | Added |
| FWL Investment Management, LLC | 94,402 | $2.64M | 1.66% | +94,402 | New |
| STRS Ohio | 95,100 | $2.66M | 0.01% | +10,900+12.9% | Added |
| Kettle Hill Capital Management, LLC | 96,491 | $2.70M | 0.50% | −236,389−71.0% | Reduced |
| Parametric Portfolio Associates LLC | 97,065 | $2.72M | 0.00% | +1,171+1.2% | Added |
| EMJ Capital Ltd. | 99,350 | $2.78M | 3.04% | −155,650−61.0% | Reduced |
| Acuitas Investments, LLC | 101,165 | $2.83M | 1.24% | +31,386+45.0% | Added |
| HighTower Advisors, LLC | 103,194 | $2.89M | 0.01% | +2,911+2.9% | Added |
| Friess Associates LLC | 105,355 | $2.95M | 1.24% | −128,258−54.9% | Reduced |
| CIBC World Markets Inc. | 105,382 | $2.95M | 0.01% | +2,685+2.6% | Added |