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 2026
Institutional positions in Magnite, Inc. as of Jun 30, 2026. 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
- 311
- +18 vs. Q1 2026
- Shares held
- 141.9M
- +10.4M (+7.9%) vs. Q1 2026
- Total value
- $2.69B
- +$1.13B (+72.2%) vs. Q1 2026
- New holders
- 55
- 116 more added
- Sold out
- 37
- 90 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Moody National Bank Trust Division | 97,202 | $1.84M | 0.15% | +43,887+82.3% | Added |
| Perkins Capital Management Inc | 98,625 | $1.87M | 1.48% | −20,650−17.3% | Reduced |
| Dana Investment Advisors, Inc. | 99,052 | $1.88M | 0.05% | −3,361−3.3% | Reduced |
| Dark Forest Capital Management LP | 110,985 | $2.11M | 0.14% | +99,298+849.6% | Added |
| Penbrook Management LLC | 112,040 | $2.13M | 1.36% | −150−0.1% | Reduced |
| Legal & General Group Plc | 117,006 | $2.22M | 0.00% | −5,041−4.1% | Reduced |
| CenterBook Partners LP | 117,550 | $2.23M | 0.11% | −446,606−79.2% | Reduced |
| Winton Group Ltd | 121,900 | $2.31M | 0.07% | +121,900 | New |
| Dean Capital Management | 121,971 | $2.32M | 0.84% | +121,971 | New |
| Franklin Resources Inc | 122,336 | $2.32M | 0.00% | +12,753+11.6% | Added |
| Wells Fargo & Company | 137,396 | $2.61M | 0.00% | +71,294+107.9% | Added |
| Algert Global LLC | 137,505 | $2.61M | 0.03% | −131,530−48.9% | Reduced |
| Vanguard Asset Management, Ltd | 140,438 | $2.67M | 0.00% | +14,066+11.1% | Added |
| Caption Management, LLC | 145,590 | $2.76M | 0.10% | −259,463−64.1% | Reduced |
| Concentric Capital Strategies, LP | 146,698 | $2.78M | 0.17% | +146,698 | New |
| Clough Capital Partners L P | 159,586 | $3.03M | 0.25% | +159,586 | New |
| P.A.W. Capital Corp | 160,000 | $3.04M | 2.33% | −10,000−5.9% | Reduced |
| Quantinno Capital Management LP | 161,782 | $3.07M | 0.00% | +33,649+26.3% | Added |
| LPL Financial LLC | 163,837 | $3.11M | 0.00% | +8,393+5.4% | Added |
| Deutsche Bank AG | 165,040 | $3.13M | 0.00% | +25,396+18.2% | Added |
| SEI Investments Co | 165,553 | $3.14M | 0.00% | −185,309−52.8% | Reduced |
| Toroso Investments, LLC | 165,838 | $3.15M | 0.01% | +32,074+24.0% | Added |
| Legato Capital Management LLC | 166,918 | $3.17M | 0.26% | +82,128+96.9% | Added |
| Dean Investment Associates, LLC | 167,927 | $3.19M | 0.42% | +167,927 | New |
| California State Teachers Retirement System | 172,047 | $3.27M | 0.00% | −4,481−2.5% | Reduced |
| State of Wisconsin Investment Board | 172,277 | $3.27M | 0.01% | −13,193−7.1% | Reduced |
| AQR Capital Management LLC | 176,599 | $3.35M | 0.00% | +55,387+45.7% | Added |
| Great Lakes Advisors, LLC | 176,615 | $3.35M | 0.03% | +176,615 | New |
| Rhumbline Advisers | 195,811 | $3.72M | 0.00% | +15,835+8.8% | Added |
| Voya Investment Management LLC | 196,662 | $3.73M | 0.00% | −13,905−6.6% | Reduced |
| Price T Rowe Associates Inc | 199,445 | $3.79M | 0.00% | +34,005+20.6% | Added |
| Cerity Partners LLC | 200,984 | $3.81M | 0.00% | +99,771+98.6% | Added |
| Occam Crest Management LP | 195,000 | $3.85M | 2.12% | +195,000 | New |
| Pillsbury Lake Capital LLC | 217,753 | $4.13M | 1.13% | +217,753 | New |
| Hilton Capital Management, LLC | 219,406 | $4.16M | 0.28% | +11,252+5.4% | Added |
| Invesco Ltd. | 222,213 | $4.22M | 0.00% | −39,157−15.0% | Reduced |
| Senvest Management, LLC | 224,100 | $4.25M | 0.12% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 230,234 | $4.37M | 0.01% | −70,700−23.5% | Reduced |
| Barclays PLC | 233,693 | $4.44M | 0.00% | +53,047+29.4% | Added |
| Norwood Investment Partners, LP | 235,000 | $4.46M | 6.16% | −50,000−17.5% | Reduced |
| ExodusPoint Capital Management, LP | 271,869 | $5.16M | 0.05% | +122,650+82.2% | Added |
| Rice Hall James & Associates, LLC | 283,919 | $5.39M | 0.26% | +91,111+47.3% | Added |
| Lisanti Capital Growth, LLC | 289,030 | $5.49M | 1.21% | −20,410−6.6% | Reduced |
| Swiss National Bank | 289,700 | $5.50M | 0.00% | +5,400+1.9% | Added |
| Raymond James Financial Inc | 309,931 | $5.88M | 0.00% | +18,216+6.2% | Added |
| Harbor Capital Advisors, Inc. | 312,371 | $5.93M | 0.40% | −12,890−4.0% | Reduced |
| 1492 Capital Management LLC | 317,750 | $6.03M | 1.78% | −22,792−6.7% | Reduced |
| Alyeska Investment Group, L.P. | 326,839 | $6.20M | 0.02% | +326,839 | New |
| Trexquant Investment LP | 333,429 | $6.33M | 0.04% | +333,429 | New |
| Marshall Wace, LLP | 341,864 | $6.49M | 0.01% | +299,396+705.0% | Added |
| UBS Asset Management Americas Inc | 364,638 | $6.92M | 0.00% | +41,620+12.9% | Added |
| Commonwealth Equity Services, LLC | 368,199 | $6.99M | 0.01% | +8,629+2.4% | Added |
| Nordea Investment Management AB | 386,327 | $7.38M | 0.01% | −34,681−8.2% | Reduced |
| JPMorgan Chase & Co | 407,025 | $7.89M | 0.00% | −79,843−16.4% | Reduced |
| Jump Financial, LLC | 428,036 | $8.12M | 0.07% | +428,036 | New |
| Manatuck Hill Partners, LLC | 450,000 | $8.54M | 2.83% | +140,000+45.2% | Added |
| Susquehanna International Group, LLP | 461,849 | $8.77M | 0.01% | +154,044+50.0% | Added |
| Citadel Advisors LLC | 472,865 | $8.97M | 0.01% | −580,043−55.1% | Reduced |
| EVR Research LP | 480,000 | $9.11M | 4.50% | +480,000 | New |
| Principal Financial Group Inc | 497,522 | $9.44M | 0.00% | +51,572+11.6% | Added |
| King Luther Capital Management Corp | 503,581 | $9.56M | 0.04% | −27,485−5.2% | Reduced |
| Bank of Montreal | 533,757 | $10.1M | 0.00% | +533,757 | New |
| Nomura Asset Management Co Ltd | 553,900 | $10.5M | 0.02% | −40,000−6.7% | Reduced |
| Schonfeld Strategic Advisors LLC | 562,195 | $10.7M | 0.06% | −1,042,846−65.0% | Reduced |
| S Squared Technology, LLC | 567,862 | $10.8M | 3.34% | +165,000+41.0% | Added |
| Ameriprise Financial Inc | 619,573 | $11.8M | 0.00% | +619,573 | New |
| Balyasny Asset Management LLC | 666,554 | $12.7M | 0.02% | −833,889−55.6% | Reduced |
| First Eagle Investment Management, LLC | 670,788 | $12.7M | 0.02% | +220,500+49.0% | Added |
| Kopion Asset Management, LLC | 674,451 | $12.8M | 8.09% | −181,453−21.2% | Reduced |
| Picton Mahoney Asset Management | 691,471 | $13.1M | 0.12% | +48,393+7.5% | Added |
| Silvercrest Asset Management Group LLC | 707,749 | $13.4M | 0.09% | +91,665+14.9% | Added |
| Oberweis Asset Management Inc | 735,000 | $14.0M | 0.29% | +87,400+13.5% | Added |
| UBS Group AG | 746,350 | $14.2M | 0.00% | +296,001+65.7% | Added |
| QVT Financial LP | 747,437 | $14.2M | 0.91% | +293,527+64.7% | Added |
| Millennium Management LLC | 764,819 | $14.5M | 0.01% | −469,638−38.0% | Reduced |
| Vanguard Fiduciary Trust Co | 989,092 | $18.8M | 0.00% | −7,990−0.8% | Reduced |
| Meros Investment Management, LP | 991,335 | $18.8M | 5.97% | −1,016−0.1% | Reduced |
| Maestria Partners LLC | 1,158,430 | $22.0M | 7.65% | −205,075−15.0% | Reduced |
| Bank of New York Mellon Corp | 1,162,198 | $22.1M | 0.00% | +23,981+2.1% | Added |
| Grizzlyrock Capital, LLC | 1,164,628 | $22.1M | 15.46% | −74,052−6.0% | Reduced |
| Bank of America Corp | 1,181,832 | $22.4M | 0.00% | +56,636+5.0% | Added |
| Charles Schwab Investment Management Inc | 1,203,189 | $22.8M | 0.00% | +22,758+1.9% | Added |
| Victory Capital Management Inc | 1,235,384 | $23.4M | 0.01% | −31,138−2.5% | Reduced |
| Ophir Asset Management Pty Ltd | 1,450,061 | $27.5M | 2.26% | −667,955−31.5% | Reduced |
| Goldman Sachs Group Inc | 1,466,640 | $27.8M | 0.00% | −34,212−2.3% | Reduced |
| Royce & Associates LP | 1,473,397 | $28.0M | 0.23% | +107,908+7.9% | Added |
| Northern Trust Corp | 1,553,412 | $29.5M | 0.00% | +230,841+17.5% | Added |
| Kennedy Capital Management, Inc. | 1,666,799 | $31.6M | 0.56% | −86,743−4.9% | Reduced |
| Blue Grotto Capital, LLC | 1,706,741 | $32.4M | 2.70% | +377,959+28.4% | Added |
| Qube Research & Technologies Ltd | 1,955,989 | $37.1M | 0.04% | +1,294,932+195.9% | Added |
| Morgan Stanley | 1,991,732 | $37.8M | 0.00% | +1,064,913+114.9% | Added |
| Park West Asset Management LLC | 2,000,000 | $38.0M | 2.59% | +1,401,620+234.2% | Added |
| Jane Street Group, LLC | 2,199,191 | $41.7M | 0.03% | +531,031+31.8% | Added |
| Canada Pension Plan Investment Board | 2,995,093 | $56.8M | 0.03% | +2,949,041+6,403.7% | Added |
| Granahan Investment Management Inc | 3,083,211 | $58.5M | 2.09% | +529,798+20.7% | Added |
| Nine Ten Capital Management LLC | 3,261,283 | $61.9M | 19.26% | −220,000−6.3% | Reduced |
| 325 Capital LLC | 3,412,694 | $64.8M | 15.44% | +1,407,307+70.2% | Added |
| State Street Corp | 3,528,075 | $67.0M | 0.00% | +364,936+11.5% | Added |
| Edenbrook Capital, LLC | 3,555,615 | $67.5M | 23.59% | +757,579+27.1% | Added |
| Geode Capital Management, LLC | 3,789,959 | $71.9M | 0.00% | +236,169+6.6% | Added |