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 |
|---|---|---|---|---|---|
| FMR LLC | 17,185,939 | $414.5M | 0.02% | +7,501,741+77.5% | Added |
| Vanguard Group Inc | 13,562,285 | $327.1M | 0.01% | −181,236−1.3% | Reduced |
| Capital Research Global Investors | 12,920,070 | $311.6M | 0.06% | 00.0% | Unchanged |
| BlackRock, Inc. | 10,698,044 | $258.0M | 0.00% | +910,204+9.3% | Added |
| Boston Partners | 5,574,604 | $133.0M | 0.15% | +298,248+5.7% | Added |
| Wellington Management Group LLP | 5,447,837 | $131.4M | 0.02% | −455,434−7.7% | Reduced |
| Dimensional Fund Advisors LP | 4,901,833 | $118.2M | 0.03% | −379,818−7.2% | Reduced |
| American Century Companies Inc | 4,829,197 | $116.5M | 0.06% | +1,868,188+63.1% | Added |
| Granahan Investment Management Inc | 3,642,786 | $87.9M | 3.58% | +992,796+37.5% | Added |
| Edenbrook Capital, LLC | 3,609,972 | $87.1M | 38.39% | −406,700−10.1% | Reduced |
| Nuveen, LLC | 3,251,092 | $78.4M | 0.02% | −345,411−9.6% | Reduced |
| Geode Capital Management, LLC | 3,216,842 | $77.6M | 0.01% | +183,414+6.0% | Added |
| State Street Corp | 3,053,607 | $73.7M | 0.00% | +150,547+5.2% | Added |
| Nine Ten Capital Management LLC | 2,858,583 | $68.9M | 20.51% | +123,753+4.5% | Added |
| Driehaus Capital Management LLC | 2,782,178 | $67.1M | 0.54% | +372,739+15.5% | Added |
| Goldman Sachs Group Inc | 1,915,400 | $46.2M | 0.01% | +988,600+106.7% | Added |
| Schonfeld Strategic Advisors LLC | 1,900,598 | $45.8M | 0.35% | +1,900,598 | New |
| Bank of New York Mellon Corp | 1,798,240 | $43.4M | 0.01% | +1,078+0.1% | Added |
| Frontier Capital Management Co LLC | 1,793,830 | $43.3M | 0.40% | +1,448,456+419.4% | Added |
| Nomura Asset Management Co Ltd | 1,740,741 | $42.0M | 0.12% | −315,052−15.3% | Reduced |
| UBS Group AG | 1,733,218 | $41.8M | 0.01% | +99,276+6.1% | Added |
| Maestria Partners LLC | 1,434,317 | $34.6M | 12.02% | +382,000+36.3% | Added |
| Stephens Investment Management Group LLC | 1,350,096 | $32.6M | 0.43% | +399,440+42.0% | Added |
| Northern Trust Corp | 1,339,871 | $32.3M | 0.00% | −231,006−14.7% | Reduced |
| Morgan Stanley | 1,170,555 | $28.2M | 0.00% | +294,696+33.6% | Added |
| Charles Schwab Investment Management Inc | 1,139,541 | $27.5M | 0.00% | +121,602+11.9% | Added |
| Royce & Associates LP | 1,077,906 | $26.0M | 0.27% | −104,900−8.9% | Reduced |
| Apis Capital Advisors, LLC | 1,048,000 | $25.3M | 8.98% | +1,048,000 | New |
| Grizzlyrock Capital, LLC | 974,323 | $23.5M | 17.67% | +75,782+8.4% | Added |
| JPMorgan Chase & Co | 938,088 | $22.6M | 0.00% | −50,701−5.1% | Reduced |
| Kennedy Capital Management, Inc. | 869,147 | $21.0M | 0.50% | −54,766−5.9% | Reduced |
| Citadel Advisors LLC | 835,102 | $20.1M | 0.02% | +242,173+40.8% | Added |
| Silvercrest Asset Management Group LLC | 804,247 | $19.4M | 0.13% | −4,000−0.5% | Reduced |
| Pacer Advisors, Inc. | 791,819 | $19.1M | 0.05% | −310,337−28.2% | Reduced |
| Penn Capital Management Co Inc | 747,834 | $18.1M | 1.56% | −166,851−18.2% | Reduced |
| Meros Investment Management, LP | 702,142 | $16.9M | 8.04% | −47,296−6.3% | Reduced |
| Balyasny Asset Management LLC | 699,932 | $16.9M | 0.04% | +699,932 | New |
| Harbor Capital Advisors, Inc. | 634,147 | $15.3M | 0.64% | +42,834+7.2% | Added |
| First Eagle Investment Management, LLC | 618,119 | $14.9M | 0.03% | +122,462+24.7% | Added |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 614,317 | $14.8M | 0.03% | +13,652+2.3% | Added |
| J. Goldman & Co LP | 603,683 | $14.6M | 0.46% | +603,683 | New |
| Verition Fund Management LLC | 595,495 | $14.4M | 0.08% | −310,604−34.3% | Reduced |
| Dana Investment Advisors, Inc. | 585,915 | $14.1M | 0.47% | +25,594+4.6% | Added |
| King Luther Capital Management Corp | 560,786 | $13.5M | 0.06% | −22,000−3.8% | Reduced |
| UBS Asset Management Americas Inc | 543,277 | $13.1M | 0.00% | +138,560+34.2% | Added |
| Oberweis Asset Management Inc | 514,000 | $12.4M | 0.54% | +308,300+149.9% | Added |
| New York State Common Retirement Fund | 493,225 | $11.9M | 0.02% | −162,916−24.8% | Reduced |
| Norwood Investment Partners, LP | 462,000 | $11.1M | 8.35% | +462,000 | New |
| Kopion Asset Management, LLC | 423,178 | $10.2M | 6.88% | −175,822−29.4% | Reduced |
| Alta Park Capital, LP | 413,602 | $9.98M | 1.23% | +413,602 | New |
| Bank of America Corp | 413,425 | $9.97M | 0.00% | −500,006−54.7% | Reduced |
| Raymond James Financial Inc | 393,601 | $9.49M | 0.00% | +31,825+8.8% | Added |
| Ardsley Advisory Partners LP | 370,000 | $8.92M | 1.46% | +214,000+137.2% | Added |
| Lisanti Capital Growth, LLC | 368,015 | $8.88M | 2.46% | +224,160+155.8% | Added |
| Susquehanna International Group, LLP | 364,532 | $8.79M | 0.01% | −37,265−9.3% | Reduced |
| Advantage Alpha Capital Partners LP | 342,575 | $8.26M | 2.23% | −84,587−19.8% | Reduced |
| Dilation Capital Management LP | 334,725 | $8.07M | 4.30% | +334,725 | New |
| Nordea Investment Management AB | 330,917 | $7.94M | 0.01% | −571,854−63.3% | Reduced |
| Russell Investments Group, Ltd. | 322,200 | $7.77M | 0.01% | −125,885−28.1% | Reduced |
| 1492 Capital Management LLC | 321,921 | $7.76M | 3.58% | −3,881−1.2% | Reduced |
| Manatuck Hill Partners, LLC | 308,491 | $7.44M | 2.80% | +196,000+174.2% | Added |
| S Squared Technology, LLC | 306,621 | $7.40M | 3.12% | −45,000−12.8% | Reduced |
| Blue Grotto Capital, LLC | 284,804 | $6.87M | 0.83% | +284,804 | New |
| Jane Street Group, LLC | 284,290 | $6.86M | 0.01% | +17,554+6.6% | Added |
| Barclays PLC | 274,193 | $6.61M | 0.00% | +102,899+60.1% | Added |
| Swiss National Bank | 272,600 | $6.58M | 0.00% | 00.0% | Unchanged |
| Roubaix Capital, LLC | 260,735 | $6.29M | 3.02% | +260,735 | New |
| Bank of Montreal | 242,346 | $5.85M | 0.00% | +1,401+0.6% | Added |
| Envestnet Asset Management Inc | 241,938 | $5.84M | 0.00% | +21,394+9.7% | Added |
| Citigroup Inc | 238,492 | $5.75M | 0.00% | +84,924+55.3% | Added |
| Two Sigma Investments, LP | 237,826 | $5.74M | 0.01% | +184,274+344.1% | Added |
| Invesco Ltd. | 230,293 | $5.55M | 0.00% | +21,302+10.2% | Added |
| Voya Investment Management LLC | 229,628 | $5.54M | 0.01% | +19,494+9.3% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 225,281 | $5.43M | 0.02% | −44,005−16.3% | Reduced |
| Rhumbline Advisers | 223,426 | $5.39M | 0.00% | +30,924+16.1% | Added |
| EAM Investors, LLC | 217,478 | $5.25M | 0.79% | +217,478 | New |
| EFG Asset Management (North America) Corp. | 201,002 | $4.85M | 0.68% | −35,503−15.0% | Reduced |
| Commonwealth Equity Services, LLC | 194,980 | $4.70M | 0.01% | +28,974+17.5% | Added |
| State of Wisconsin Investment Board | 185,994 | $4.49M | 0.01% | −47,687−20.4% | Reduced |
| Clough Capital Partners L P | 185,277 | $4.47M | 0.45% | +185,277 | New |
| Parallax Volatility Advisers, L.P. | 175,813 | $4.24M | 0.17% | −93,170−34.6% | Reduced |
| AYAL Capital Advisors Ltd | 165,937 | $4.00M | 2.18% | +165,937 | New |
| Moody National Bank Trust Division | 161,332 | $3.89M | 0.36% | +57,142+54.8% | Added |
| Legal & General Group Plc | 155,225 | $3.74M | 0.00% | +12,259+8.6% | Added |
| Rice Hall James & Associates, LLC | 154,897 | $3.74M | 0.20% | −1,942−1.2% | Reduced |
| Prelude Capital Management, LLC | 153,551 | $3.70M | 0.36% | +138,573+925.2% | Added |
| Castleark Management LLC | 143,150 | $3.45M | 0.10% | +143,150 | New |
| Deutsche Bank AG | 141,801 | $3.42M | 0.00% | +10,131+7.7% | Added |
| Comerica Bank | 141,617 | $3.42M | 0.01% | +108,166+323.4% | Added |
| Alliancebernstein L.P. | 136,945 | $3.30M | 0.00% | +300+0.2% | Added |
| Perkins Capital Management Inc | 135,125 | $3.26M | 3.28% | −10,000−6.9% | Reduced |
| Hilton Capital Management, LLC | 133,566 | $3.22M | 0.26% | −29,246−18.0% | Reduced |
| California State Teachers Retirement System | 132,575 | $3.20M | 0.00% | +2,514+1.9% | Added |
| P.A.W. Capital Corp | 130,000 | $3.14M | 6.04% | −20,000−13.3% | Reduced |
| Picton Mahoney Asset Management | 127,850 | $3.08M | 0.04% | +127,850 | New |
| Cannell Capital LLC | 126,578 | $3.05M | 0.95% | +126,578 | New |
| Price T Rowe Associates Inc | 117,601 | $2.84M | 0.00% | +18,560+18.7% | Added |
| Zweig-DiMenna Associates LLC | 111,500 | $2.69M | 0.28% | +111,500 | New |
| Wells Fargo & Company | 111,397 | $2.69M | 0.00% | +17,468+18.6% | Added |
| Norges Bank | 108,716 | $2.62M | 0.00% | −110,582−50.4% | Reduced |