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, Q1 2025
Institutional positions in Magnite, Inc. as of Mar 31, 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
- 293
- +10 vs. Q4 2024
- Shares held
- 132.9M
- +13.4M (+11.2%) vs. Q4 2024
- Total value
- $1.52B
- −$386.8M (−20.3%) vs. Q4 2024
- New holders
- 52
- 104 more added
- Sold out
- 42
- 97 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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, Q1 2025
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Vanguard Group Inc | 13,743,521 | $156.8M | 0.00% | +138,417+1.0% | Added |
| Capital Research Global Investors | 12,920,070 | $147.4M | 0.03% | +5,194,835+67.2% | Added |
| BlackRock, Inc. | 9,787,840 | $111.7M | 0.00% | −379,403−3.7% | Reduced |
| FMR LLC | 9,684,198 | $110.5M | 0.01% | +8,069,421+499.7% | Added |
| Wellington Management Group LLP | 5,903,271 | $67.4M | 0.01% | −1,126,740−16.0% | Reduced |
| Dimensional Fund Advisors LP | 5,281,651 | $60.3M | 0.01% | −242,992−4.4% | Reduced |
| Boston Partners | 5,276,356 | $60.2M | 0.07% | +520,033+10.9% | Added |
| Edenbrook Capital, LLC | 4,016,672 | $45.8M | 27.77% | +913,130+29.4% | Added |
| Nuveen, LLC | 3,596,503 | $41.0M | 0.01% | +3,596,503 | New |
| Geode Capital Management, LLC | 3,033,428 | $34.6M | 0.00% | +75,850+2.6% | Added |
| American Century Companies Inc | 2,961,009 | $33.8M | 0.02% | +2,651,033+855.2% | Added |
| State Street Corp | 2,903,060 | $33.1M | 0.00% | −39,070−1.3% | Reduced |
| Nine Ten Capital Management LLC | 2,734,830 | $31.2M | 11.65% | −381,019−12.2% | Reduced |
| Granahan Investment Management Inc | 2,649,990 | $30.2M | 1.51% | −963,094−26.7% | Reduced |
| Driehaus Capital Management LLC | 2,409,439 | $27.5M | 0.27% | −909,054−27.4% | Reduced |
| Nomura Asset Management Co Ltd | 2,055,793 | $23.5M | 0.07% | +181,958+9.7% | Added |
| Bank of New York Mellon Corp | 1,797,162 | $20.5M | 0.00% | −723,728−28.7% | Reduced |
| UBS Group AG | 1,633,942 | $18.6M | 0.00% | −59,709−3.5% | Reduced |
| Northern Trust Corp | 1,570,877 | $17.9M | 0.00% | −87,658−5.3% | Reduced |
| Royce & Associates LP | 1,182,806 | $13.5M | 0.15% | −415,090−26.0% | Reduced |
| Pacer Advisors, Inc. | 1,102,156 | $12.6M | 0.03% | +1,102,156 | New |
| Maestria Partners LLC | 1,052,317 | $12.0M | 5.07% | +100,000+10.5% | Added |
| Qube Research & Technologies Ltd | 1,038,131 | $11.8M | 0.02% | +350,098+50.9% | Added |
| Charles Schwab Investment Management Inc | 1,017,939 | $11.6M | 0.00% | −31,473−3.0% | Reduced |
| JPMorgan Chase & Co | 988,789 | $11.3M | 0.00% | −522,650−34.6% | Reduced |
| Stephens Investment Management Group LLC | 950,656 | $10.8M | 0.16% | −45,988−4.6% | Reduced |
| Goldman Sachs Group Inc | 926,800 | $10.6M | 0.00% | −223,746−19.4% | Reduced |
| Kennedy Capital Management, Inc. | 923,913 | $10.5M | 0.25% | −545,854−37.1% | Reduced |
| Penn Capital Management Co Inc | 914,685 | $10.5M | 1.02% | +135,800+17.4% | Added |
| Bank of America Corp | 913,431 | $10.4M | 0.00% | +562,648+160.4% | Added |
| Verition Fund Management LLC | 906,099 | $10.3M | 0.06% | +906,099 | New |
| Grizzlyrock Capital, LLC | 898,541 | $10.3M | 9.30% | +35,000+4.1% | Added |
| Nordea Investment Management AB | 902,771 | $10.1M | 0.01% | +8,782+1.0% | Added |
| Morgan Stanley | 875,859 | $9.99M | 0.00% | −324,035−27.0% | Reduced |
| Silvercrest Asset Management Group LLC | 808,247 | $9.22M | 0.07% | −261,506−24.4% | Reduced |
| Meros Investment Management, LP | 749,438 | $8.55M | 5.02% | −177,973−19.2% | Reduced |
| Intrinsic Edge Capital Management LLC | 733,044 | $8.36M | 1.75% | +13,512+1.9% | Added |
| Granite Investment Partners, LLC | 720,873 | $8.23M | 0.42% | −187,938−20.7% | Reduced |
| New York State Common Retirement Fund | 656,141 | $7.49M | 0.01% | −11,457−1.7% | Reduced |
| Ameriprise Financial Inc | 643,143 | $7.34M | 0.00% | −23,457−3.5% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 600,665 | $6.85M | 0.01% | −95,089−13.7% | Reduced |
| Kopion Asset Management, LLC | 599,000 | $6.83M | 5.32% | −42,509−6.6% | Reduced |
| Citadel Advisors LLC | 592,929 | $6.77M | 0.01% | +282,690+91.1% | Added |
| Harbor Capital Advisors, Inc. | 591,313 | $6.75M | 0.31% | −251,448−29.8% | Reduced |
| King Luther Capital Management Corp | 582,786 | $6.65M | 0.03% | +48,219+9.0% | Added |
| Dana Investment Advisors, Inc. | 560,321 | $6.39M | 0.23% | +86,696+18.3% | Added |
| First Eagle Investment Management, LLC | 495,657 | $5.66M | 0.01% | +128,500+35.0% | Added |
| Weiss Asset Management LP | 455,128 | $5.19M | 0.14% | +318,076+232.1% | Added |
| Russell Investments Group, Ltd. | 448,085 | $5.11M | 0.01% | +170,480+61.4% | Added |
| Millennium Management LLC | 434,479 | $4.96M | 0.00% | +215,513+98.4% | Added |
| Advantage Alpha Capital Partners LP | 427,162 | $4.87M | 1.19% | −34,745−7.5% | Reduced |
| UBS Asset Management Americas Inc | 404,717 | $4.62M | 0.00% | +36,097+9.8% | Added |
| Susquehanna International Group, LLP | 401,797 | $4.58M | 0.01% | −144,928−26.5% | Reduced |
| Armistice Capital, LLC | 389,000 | $4.44M | 0.12% | +389,000 | New |
| Raymond James Financial Inc | 361,776 | $4.13M | 0.00% | −183,788−33.7% | Reduced |
| S Squared Technology, LLC | 351,621 | $4.01M | 2.05% | −210,000−37.4% | Reduced |
| Frontier Capital Management Co LLC | 345,374 | $3.94M | 0.04% | −301,309−46.6% | Reduced |
| 1492 Capital Management LLC | 325,802 | $3.72M | 2.00% | −1,973−0.6% | Reduced |
| First Trust Advisors LP | 323,910 | $3.70M | 0.00% | +46,492+16.8% | Added |
| CenterBook Partners LP | 317,004 | $3.62M | 0.23% | −308,761−49.3% | Reduced |
| Swiss National Bank | 272,600 | $3.11M | 0.00% | +22,700+9.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 269,286 | $3.07M | 0.01% | −36,750−12.0% | Reduced |
| Parallax Volatility Advisers, L.P. | 268,983 | $3.07M | 0.10% | +51,017+23.4% | Added |
| Jane Street Group, LLC | 266,736 | $3.04M | 0.01% | +255,128+2,197.9% | Added |
| Bank of Montreal | 240,945 | $2.75M | 0.00% | +77,640+47.5% | Added |
| EFG Asset Management (North America) Corp. | 236,505 | $2.70M | 0.45% | +38,735+19.6% | Added |
| State of Wisconsin Investment Board | 233,681 | $2.67M | 0.01% | +161,823+225.2% | Added |
| Envestnet Asset Management Inc | 220,544 | $2.52M | 0.00% | +31,604+16.7% | Added |
| Norges Bank | 219,298 | $2.50M | 0.00% | −179,341−45.0% | Reduced |
| Voya Investment Management LLC | 210,134 | $2.40M | 0.00% | −94,165−30.9% | Reduced |
| Invesco Ltd. | 208,991 | $2.38M | 0.00% | −63,102−23.2% | Reduced |
| Oberweis Asset Management Inc | 205,700 | $2.35M | 0.12% | 00.0% | Unchanged |
| Rhumbline Advisers | 192,502 | $2.20M | 0.00% | +8,171+4.4% | Added |
| Susquehanna Fundamental Investments, LLC | 180,463 | $2.06M | 0.03% | +58,019+47.4% | Added |
| Dark Forest Capital Management LP | 173,864 | $1.98M | 0.09% | +173,864 | New |
| Barclays PLC | 171,294 | $1.95M | 0.00% | −69,081−28.7% | Reduced |
| Commonwealth Equity Services, LLC | 166,006 | $1.89M | 0.00% | +4,019+2.5% | Added |
| Hilton Capital Management, LLC | 162,812 | $1.86M | 0.16% | +6,606+4.2% | Added |
| Rice Hall James & Associates, LLC | 156,839 | $1.79M | 0.11% | −31,627−16.8% | Reduced |
| Ardsley Advisory Partners LP | 156,000 | $1.78M | 0.41% | +156,000 | New |
| Citigroup Inc | 153,568 | $1.75M | 0.00% | −185,117−54.7% | Reduced |
| P.A.W. Capital Corp | 150,000 | $1.71M | 4.23% | −45,000−23.1% | Reduced |
| Royal Bank of Canada | 148,268 | $1.69M | 0.00% | +21,502+17.0% | Added |
| Perkins Capital Management Inc | 145,125 | $1.66M | 1.75% | +1,300+0.9% | Added |
| Lisanti Capital Growth, LLC | 143,855 | $1.64M | 0.49% | −24,190−14.4% | Reduced |
| Legal & General Group Plc | 142,966 | $1.63M | 0.00% | +3,349+2.4% | Added |
| Alliancebernstein L.P. | 136,645 | $1.56M | 0.00% | 00.0% | Unchanged |
| XTX Topco Ltd | 135,118 | $1.54M | 0.08% | +135,118 | New |
| Deutsche Bank AG | 131,670 | $1.50M | 0.00% | −19,736−13.0% | Reduced |
| California State Teachers Retirement System | 130,061 | $1.48M | 0.00% | +11,387+9.6% | Added |
| Toroso Investments, LLC | 129,275 | $1.48M | 0.01% | +419+0.3% | Added |
| Franklin Resources Inc | 127,510 | $1.45M | 0.00% | −829−0.6% | Reduced |
| Wedge Capital Management L L P | 125,166 | $1.43M | 0.03% | +19,500+18.5% | Added |
| Principal Financial Group Inc | 124,547 | $1.42M | 0.00% | +1,474+1.2% | Added |
| Squarepoint Ops LLC | 123,786 | $1.41M | 0.00% | −189,025−60.4% | Reduced |
| LPL Financial LLC | 122,352 | $1.40M | 0.00% | −7,251−5.6% | Reduced |
| Victory Capital Management Inc | 121,332 | $1.38M | 0.00% | −1,059,946−89.7% | Reduced |
| Dynamic Technology Lab Private Ltd | 120,258 | $1.37M | 0.20% | +120,258 | New |
| Manatuck Hill Partners, LLC | 112,491 | $1.28M | 0.59% | −29,100−20.6% | Reduced |
| Intech Investment Management LLC | 109,992 | $1.26M | 0.01% | +55,971+103.6% | Added |