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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, Q1 2021

Institutional positions in Magnite, Inc. as of Mar 31, 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
280
No complete 13F data for Q4 2020
Shares held
86.3M
No complete 13F data for Q4 2020
Total value
$3.59B
No complete 13F data for Q4 2020

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.

Institutional holdersQ1 2021: 280 institutions
Q1 2021: 280 institutionsQ2 2021: 268 institutionsQ3 2021: 279 institutionsQ4 2021: 248 institutionsQ1 2022: 231 institutionsQ2 2022: 231 institutionsQ3 2022: 218 institutionsQ4 2022: 231 institutionsQ1 2023: 224 institutionsQ2 2023: 224 institutionsQ3 2023: 215 institutionsQ4 2023: 217 institutionsQ1 2024: 232 institutionsQ2 2024: 269 institutionsQ3 2024: 280 institutionsQ4 2024: 286 institutionsQ1 2025: 293 institutionsQ2 2025: 287 institutionsQ3 2025: 316 institutionsQ4 2025: 304 institutionsQ1 2026: 297 institutionsQ2 2026: 311 institutions
Value heldQ1 2021: $3.59B
Q1 2021: $3.59BQ2 2021: $2.89BQ3 2021: $2.52BQ4 2021: $1.57BQ1 2022: $1.17BQ2 2022: $781.6MQ3 2022: $679.0MQ4 2022: $988.1MQ1 2023: $892.4MQ2 2023: $1.39BQ3 2023: $780.6MQ4 2023: $959.0MQ1 2024: $1.10BQ2 2024: $1.39BQ3 2024: $1.65BQ4 2024: $1.97BQ1 2025: $1.52BQ2 2025: $3.54BQ3 2025: $3.00BQ4 2025: $2.22BQ1 2026: $1.56BQ2 2026: $2.69B
Institutions holding MGNI and their total value by quarter
QuarterHoldersValue
Q2 2026311$2.69B
Q1 2026297$1.56B
Q4 2025304$2.22B
Q3 2025316$3.00B
Q2 2025287$3.54B
Q1 2025293$1.52B
Q4 2024286$1.97B
Q3 2024280$1.65B
Q2 2024269$1.39B
Q1 2024232$1.10B
Q4 2023217$959.0M
Q3 2023215$780.6M
Q2 2023224$1.39B
Q1 2023224$892.4M
Q4 2022231$988.1M
Q3 2022218$679.0M
Q2 2022231$781.6M
Q1 2022231$1.17B
Q4 2021248$1.57B
Q3 2021279$2.52B
Q2 2021268$2.89B
Q1 2021280$3.59B

Institutions, Q1 2021

Shares, value and share of portfolio for each institution holding Magnite, Inc..

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding MGNI in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Virtu Financial LLC12,098$503.0K0.04%––
Pier 88 Investment Partners LLC12,300$512.0K0.17%––
Cresset Asset Management, LLC12,390$515.0K0.01%––
Amalgamated Bank12,712$529.0K0.02%––
HCR Wealth Advisors13,000$541.0K0.11%––
Aristeia Capital LLC13,100$545.0K0.01%––
Truist Financial Corp13,516$562.0K0.00%––
Leonteq Securities AG13,525$562.8K0.04%––
Engineers Gate Manager LP13,836$576.0K0.03%––
Envestnet Asset Management Inc14,454$601.0K0.00%––
Rafferty Asset Management, LLC14,790$615.0K0.00%––
Total Clarity Wealth Management, Inc.14,947$622.0K0.36%––
Public Employees Retirement Association of Colorado14,986$624.0K0.00%––
The PNC Financial Services Group, Inc.15,574$648.0K0.00%––
Exchange Traded Concepts, LLC15,582$648.0K0.02%––
Mercer Global Advisors Inc16,007$666.0K0.01%––
Boothbay Fund Management, LLC16,300$678.0K0.04%––
Creative Planning16,932$705.0K0.00%––
Sigma Planning Corp17,279$719.0K0.02%––
ETF Managers Group, LLC17,917$729.0K0.01%––
FWL Investment Management, LLC17,540$730.0K0.49%––
B. Riley Wealth Management, Inc.17,901$745.0K0.09%––
Marshall Wace North America L.P.17,998$749.0K0.00%––
Principal Financial Group Inc18,046$751.0K0.00%––
Evanson Asset Management, LLC19,085$794.0K0.12%––
Meristem Family Wealth, LLC19,418$808.0K0.16%––
Los Angeles Capital Management LLC19,790$823.0K0.00%––
Raymond James Financial Services Advisors, Inc.20,256$843.0K0.00%––
Occudo Quantitative Strategies LP20,416$850.0K0.19%––
Kennedy Capital Management, Inc.20,571$856.0K0.02%––
HAP Trading, LLC20,827$867.0K0.10%––
Victory Capital Management Inc21,143$880.0K0.00%––
Silvant Capital Management LLC21,197$882.0K0.15%––
Perkins Capital Management Inc23,525$979.0K0.57%––
Cubist Systematic Strategies, LLC23,782$990.0K0.01%––
Cutler Group LP23,860$992.0K0.08%––
Spouting Rock Asset Management, LLC24,406$1.02M0.31%––
SG Americas Securities, LLC24,794$1.03M0.01%––
Tower Research Capital LLC (TRC)24,965$1.04M0.02%––
Zacks Investment Management25,120$1.04M0.02%––
Blueshift Asset Management, LLC25,734$1.07M0.11%––
Mackay Shields LLC25,800$1.07M0.01%––
Advisor Group Holdings, Inc.27,028$1.13M0.00%––
Raymond James & Associates27,130$1.13M0.00%––
Chartwell Investment Partners, LLC27,459$1.14M0.03%––
Blackhill Capital Inc27,615$1.15M0.10%––
Sculptor Capital LP28,800$1.20M0.01%––
Hudson Bay Capital Management LP28,800$1.20M0.02%––
Trexquant Investment LP29,041$1.21M0.11%––
Investment Management of Virginia LLC29,350$1.22M0.25%––
Metropolitan Life Insurance Co29,358$1.22M0.02%––
Cambridge Investment Research Advisors, Inc.29,431$1.23M0.01%––
Wolverine Asset Management LLC29,620$1.23M0.01%––
Arizona State Retirement System30,962$1.29M0.01%––
Tudor Investment Corp Et Al31,976$1.33M0.03%––
Nomura Holdings Inc32,000$1.33M0.01%––
Stifel Financial Corp32,706$1.36M0.00%––
LPL Financial LLC33,169$1.38M0.00%––
Essex Investment Management Co LLC34,422$1.43M0.17%––
Oberweis Asset Management Inc34,967$1.46M0.30%––
Congress Park Capital LLC35,098$1.46M0.82%––
Advisory Research Inc35,921$1.50M0.11%––
State Board of Administration of Florida Retirement System36,338$1.51M0.00%––
MetLife Investment Management40,413$1.68M0.02%––
Connacht Asset Management LP41,539$1.73M1.36%––
AQR Capital Management LLC41,654$1.73M0.00%––
Walleye Trading LLC43,079$1.79M0.06%––
Bank of Montreal45,982$1.82M0.00%––
Jump Financial, LLC44,259$1.84M0.17%––
Schroder Investment Management Group44,981$1.87M0.00%––
Stephens Inc45,935$1.91M0.03%––
Marshall Wace, LLP47,515$1.98M0.01%––
TCW Group Inc48,214$2.01M0.02%––
Wolverine Trading, LLC49,551$2.02M0.04%––
Prelude Capital Management, LLC48,545$2.02M0.14%––
Price T Rowe Associates Inc48,858$2.03M0.00%––
Simplex Trading, LLC49,469$2.06M0.12%––
Neuberger Berman Group LLC52,936$2.20M0.00%––
Greenwood Capital Associates LLC54,672$2.27M0.36%––
STRS Ohio54,900$2.28M0.01%––
EAM Global Investors LLC55,051$2.29M0.63%––
Seven Eight Capital, LP76,965$2.36M0.54%––
Millrace Asset Group, Inc.57,555$2.40M1.29%––
Commonwealth Equity Services, LLC58,073$2.42M0.01%––
Rice Hall James & Associates, LLC61,475$2.56M0.08%––
Manufacturers Life Insurance Company, The61,599$2.56M0.00%––
Acuitas Investments, LLC62,505$2.60M1.49%––
American International Group, Inc.64,423$2.68M0.01%––
State of New Jersey Common Pension Fund D64,680$2.69M0.01%––
Citigroup Inc71,127$2.96M0.00%––
SEI Investments Co71,899$2.99M0.01%––
Parallax Volatility Advisers, L.P.73,335$3.05M0.03%––
EAM Investors, LLC75,662$3.15M0.47%––
Legal & General Group Plc76,159$3.17M0.00%––
Formula Growth Ltd84,430$3.51M0.51%––
Brant Point Investment Management LLC90,000$3.75M0.68%––
Round Table Services, LLC90,000$3.75M0.91%––
CIBC World Markets Inc.92,114$3.83M0.01%––
Woodmont Investment Counsel LLC92,385$3.84M0.65%––
Quadrature Capital Ltd95,615$3.98M0.19%––