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 26 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Magnite, Inc. as of Jun 30, 2025. 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
- 287
- −4 vs. Q1 2025
- Shares held
- 147.0M
- +14.1M (+10.6%) vs. Q1 2025
- Total value
- $3.54B
- +$2.03B (+133.7%) vs. Q1 2025
- New holders
- 53
- 99 more added
- Sold out
- 57
- 99 more reduced
2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: 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, Q2 2025
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Amundi | 13,655 | $336.9K | 0.00% | +1,364+11.1% | Added |
| Winthrop Advisory Group LLC | 14,000 | $337.7K | 0.03% | +600+4.5% | Added |
| 1858 Wealth Management, LLC | 14,070 | $339.4K | 0.25% | +1,465+11.6% | Added |
| Ameritas Investment Partners, Inc. | 14,299 | $344.9K | 0.01% | +1,137+8.6% | Added |
| Woodmont Investment Counsel LLC | 14,300 | $344.9K | 0.02% | −1,000−6.5% | Reduced |
| Prudential Financial Inc | 17,959 | $355.9K | 0.00% | +17,959 | New |
| Public Employees Retirement Association of Colorado | 14,986 | $361.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 15,065 | $363.4K | 0.01% | +11,943+382.5% | Added |
| Captrust Financial Advisors | 16,585 | $400.0K | 0.00% | +1,838+12.5% | Added |
| M&T Bank Corp | 16,595 | $400.7K | 0.00% | −2,365−12.5% | Reduced |
| Centiva Capital, LP | 17,000 | $410.0K | 0.03% | 00.0% | Unchanged |
| CIBC World Markets Corp | 17,256 | $416.2K | 0.00% | −10,662−38.2% | Reduced |
| Vident Advisory, LLC | 17,846 | $430.4K | 0.00% | −3,143−15.0% | Reduced |
| Mount Yale Investment Advisors, LLC | 18,001 | $434.2K | 0.03% | −4,453−19.8% | Reduced |
| HSBC Holdings PLC | 18,040 | $437.4K | 0.00% | −4,633−20.4% | Reduced |
| BNP Paribas Arbitrage, SA | 18,554 | $447.5K | 0.00% | +4,309+30.2% | Added |
| Quantinno Capital Management LP | 19,511 | $470.6K | 0.00% | +19,511 | New |
| Ledgewood Wealth Advisors, LLC | 19,795 | $477.5K | 0.30% | 00.0% | Unchanged |
| Griffin Asset Management, Inc. | 19,935 | $480.8K | 0.06% | −10,820−35.2% | Reduced |
| Johnson Investment Counsel Inc | 20,208 | $487.4K | 0.00% | +5,299+35.5% | Added |
| Outlook Wealth Advisors, LLC | 20,474 | $493.8K | 0.13% | 00.0% | Unchanged |
| AQR Capital Management LLC | 20,960 | $505.6K | 0.00% | +6,785+47.9% | Added |
| Evanson Asset Management, LLC | 21,171 | $510.6K | 0.03% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 21,603 | $521.1K | 0.00% | +1,164+5.7% | Added |
| ARS Investment Partners, LLC | 22,500 | $542.7K | 0.04% | +22,500 | New |
| Pictet Asset Management Holding SA | 22,641 | $546.1K | 0.00% | 00.0% | Unchanged |
| Cambridge Investment Research Advisors, Inc. | 23,358 | $563.0K | 0.00% | −28,457−54.9% | Reduced |
| Clear Creek Financial Management, LLC | 24,463 | $590.0K | 0.06% | +24,463 | New |
| Walleye Capital LLC | 25,968 | $626.3K | 0.01% | +25,968 | New |
| Verdence Capital Advisors LLC | 26,196 | $631.8K | 0.04% | +1,426+5.8% | Added |
| Pitcairn Co | 26,315 | $634.7K | 0.04% | −10,813−29.1% | Reduced |
| Truist Financial Corp | 28,313 | $682.9K | 0.00% | −7,327−20.6% | Reduced |
| Penbrook Management LLC | 28,420 | $685.5K | 0.52% | −9,750−25.5% | Reduced |
| ProShare Advisors LLC | 28,718 | $692.7K | 0.00% | +1,482+5.4% | Added |
| KLP Kapitalforvaltning AS | 29,100 | $701.9K | 0.00% | +4,500+18.3% | Added |
| Handelsbanken Fonder AB | 30,100 | $726.0K | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 31,618 | $762.6K | 0.01% | +4,886+18.3% | Added |
| Fulton Bank, N.A. | 31,935 | $770.3K | 0.03% | −3,280−9.3% | Reduced |
| D. E. Shaw & Co., Inc. | 31,947 | $770.6K | 0.00% | +31,947 | New |
| Diametric Capital, LP | 33,159 | $799.8K | 0.43% | +21,912+194.8% | Added |
| Bayesian Capital Management, LP | 33,800 | $815.3K | 0.13% | +33,800 | New |
| Allspring Global Investments Holdings, LLC | 34,524 | $832.7K | 0.00% | −10,423−23.2% | Reduced |
| ExodusPoint Capital Management, LP | 35,727 | $862.0K | 0.01% | +35,727 | New |
| State Board of Administration of Florida Retirement System | 38,231 | $922.1K | 0.00% | 00.0% | Unchanged |
| Cetera Investment Advisers | 39,163 | $944.6K | 0.00% | +5,342+15.8% | Added |
| Greenwood Capital Associates LLC | 40,175 | $969.0K | 0.12% | −26,046−39.3% | Reduced |
| SG Americas Securities, LLC | 41,378 | $998.0K | 0.00% | +17,373+72.4% | Added |
| Arizona State Retirement System | 41,670 | $1.01M | 0.01% | +1,340+3.3% | Added |
| STRS Ohio | 42,200 | $1.02M | 0.00% | −5,500−11.5% | Reduced |
| Victory Capital Management Inc | 43,399 | $1.05M | 0.00% | −77,933−64.2% | Reduced |
| Great West Life Assurance Co | 43,505 | $1.05M | 0.00% | +4,901+12.7% | Added |
| Boothbay Fund Management, LLC | 44,349 | $1.07M | 0.03% | +44,349 | New |
| Royal Bank of Canada | 47,278 | $1.14M | 0.00% | −100,990−68.1% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 48,871 | $1.18M | 0.00% | +4,882+11.1% | Added |
| Cardinal Point Capital Management, ULC | 49,100 | $1.18M | 0.09% | −4,700−8.7% | Reduced |
| Dark Forest Capital Management LP | 49,304 | $1.19M | 0.05% | −124,560−71.6% | Reduced |
| Radcliffe Capital Management, L.P. | 50,000 | $1.21M | 0.09% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 51,271 | $1.24M | 0.00% | −50,616−49.7% | Reduced |
| Calamos Advisors LLC | 52,710 | $1.27M | 0.01% | −12,565−19.2% | Reduced |
| Simplex Trading, LLC | 52,834 | $1.27M | 0.03% | +52,834 | New |
| Janus Henderson Group PLC | 58,423 | $1.41M | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 58,508 | $1.41M | 0.00% | −1,000−1.7% | Reduced |
| Weiss Asset Management LP | 59,132 | $1.43M | 0.02% | −395,996−87.0% | Reduced |
| Gamco Investors, Inc. Et Al | 59,583 | $1.44M | 0.01% | −19,203−24.4% | Reduced |
| Advisory Services Network, LLC | 65,407 | $1.51M | 0.02% | −18,303−21.9% | Reduced |
| PDT Partners, LLC | 63,448 | $1.53M | 0.09% | +63,448 | New |
| Pinnacle Associates Ltd | 67,020 | $1.62M | 0.02% | +6,725+11.2% | Added |
| Manufacturers Life Insurance Company, The | 67,661 | $1.63M | 0.00% | −5,602−7.6% | Reduced |
| First Trust Advisors LP | 69,499 | $1.68M | 0.00% | −254,411−78.5% | Reduced |
| Panoramic Capital, LLC | 70,000 | $1.69M | 1.30% | +70,000 | New |
| Legato Capital Management LLC | 70,480 | $1.70M | 0.20% | +27,160+62.7% | Added |
| Intech Investment Management LLC | 73,371 | $1.77M | 0.02% | −36,621−33.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 76,760 | $1.85M | 0.00% | +1,913+2.6% | Added |
| Stifel Financial Corp | 78,799 | $1.90M | 0.00% | +24,504+45.1% | Added |
| SEI Investments Co | 82,116 | $1.98M | 0.00% | +42,353+106.5% | Added |
| Stephens Inc | 82,951 | $2.00M | 0.03% | +14,079+20.4% | Added |
| MetLife Investment Management | 83,541 | $2.02M | 0.01% | +8,736+11.7% | Added |
| CenterBook Partners LP | 92,266 | $2.23M | 0.12% | −224,738−70.9% | Reduced |
| Toroso Investments, LLC | 93,168 | $2.25M | 0.01% | −36,107−27.9% | Reduced |
| Cerity Partners LLC | 101,741 | $2.45M | 0.00% | +1,591+1.6% | Added |
| Thrivent Financial for Lutherans | 102,904 | $2.48M | 0.01% | 00.0% | Unchanged |
| Ameriprise Financial Inc | 106,264 | $2.56M | 0.00% | −536,879−83.5% | Reduced |
| LPL Financial LLC | 106,547 | $2.57M | 0.00% | −15,805−12.9% | Reduced |
| Principal Financial Group Inc | 107,015 | $2.58M | 0.00% | −17,532−14.1% | Reduced |
| Group One Trading, L.P. | 107,089 | $2.58M | 0.08% | +97,719+1,042.9% | Added |
| Wedge Capital Management L L P | 107,634 | $2.60M | 0.05% | −17,532−14.0% | Reduced |
| Franklin Resources Inc | 108,451 | $2.62M | 0.00% | −19,059−14.9% | Reduced |
| Norges Bank | 108,716 | $2.62M | 0.00% | −110,582−50.4% | Reduced |
| Wells Fargo & Company | 111,397 | $2.69M | 0.00% | +17,468+18.6% | Added |
| Zweig-DiMenna Associates LLC | 111,500 | $2.69M | 0.28% | +111,500 | New |
| Price T Rowe Associates Inc | 117,601 | $2.84M | 0.00% | +18,560+18.7% | Added |
| Cannell Capital LLC | 126,578 | $3.05M | 0.95% | +126,578 | New |
| Picton Mahoney Asset Management | 127,850 | $3.08M | 0.04% | +127,850 | New |
| P.A.W. Capital Corp | 130,000 | $3.14M | 6.04% | −20,000−13.3% | Reduced |
| California State Teachers Retirement System | 132,575 | $3.20M | 0.00% | +2,514+1.9% | Added |
| Hilton Capital Management, LLC | 133,566 | $3.22M | 0.26% | −29,246−18.0% | Reduced |
| Perkins Capital Management Inc | 135,125 | $3.26M | 3.28% | −10,000−6.9% | Reduced |
| Alliancebernstein L.P. | 136,945 | $3.30M | 0.00% | +300+0.2% | Added |
| Comerica Bank | 141,617 | $3.42M | 0.01% | +108,166+323.4% | Added |
| Deutsche Bank AG | 141,801 | $3.42M | 0.00% | +10,131+7.7% | Added |