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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 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 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
BlackRock Inc.8,674,069$360.9M0.01%––
Vanguard Group Inc7,791,387$324.2M0.01%––
Nuveen Asset Management, LLC7,075,585$294.4M0.09%––
Allianz Asset Management GmbH6,982,548$290.5M0.30%––
Granahan Investment Management Inc5,113,469$212.8M4.51%––
FMR LLC3,852,840$160.3M0.01%––
Frontier Capital Management Co LLC3,373,124$140.4M1.06%––
Fred Alger Management, LLC2,306,460$96.0M0.25%––
State Street Corp2,265,109$94.3M0.01%––
Renaissance Technologies LLC2,023,313$84.2M0.10%––
Geode Capital Management, LLC1,910,134$79.5M0.01%––
Wells Fargo & Company1,768,206$73.6M0.02%––
Driehaus Capital Management LLC1,413,588$58.8M0.87%––
Edenbrook Capital, LLC1,325,000$55.1M18.89%––
Northern Trust Corp1,266,737$52.7M0.01%––
ProShare Advisors LLC1,265,355$52.7M0.17%––
Dimensional Fund Advisors LP1,184,785$49.3M0.02%––
Lord, Abbett & Co. LLC1,139,785$47.4M0.12%––
Invesco Ltd.1,134,256$47.2M0.01%––
Susquehanna International Group, LLP1,119,542$46.6M0.06%––
Norges Bank1,068,211$44.4M0.01%––
Morgan Stanley960,858$40.0M0.01%––
Nine Ten Capital Management LLC847,511$35.3M4.88%––
Williams Jones Wealth Management, LLC.808,178$33.6M0.53%––
Charles Schwab Investment Management Inc776,776$32.3M0.01%––
UBS Asset Management Americas Inc767,059$31.9M0.01%––
Citadel Advisors LLC728,726$30.3M0.03%––
JPMorgan Chase & Co669,027$27.8M0.00%––
Goldman Sachs Group Inc657,474$27.4M0.01%––
Ranger Investment Management, L.P.596,123$24.8M1.37%––
Collaborative Holdings Management LP567,233$23.6M13.03%––
Russell Investments Group, Ltd.522,432$21.7M0.04%––
Ashford Capital Management Inc475,043$19.8M1.85%––
Deutsche Bank AG451,513$18.8M0.01%––
Bank of New York Mellon Corp450,800$18.8M0.00%––
Alta Park Capital, LP428,891$17.8M1.97%––
Scout Investments, Inc.408,487$17.0M0.26%––
Millennium Management LLC377,700$15.7M0.02%––
Ameriprise Financial Inc338,268$14.1M0.00%––
Royce & Associates LP312,100$13.0M0.09%––
Primecap Management Co300,000$12.5M0.01%––
Lisanti Capital Growth, LLC288,014$12.0M1.54%––
Jane Street Group, LLC284,958$11.9M0.03%––
California Public Employees Retirement System268,963$11.2M0.01%––
Pier Capital, LLC268,290$11.2M1.06%––
Calamos Advisors LLC259,404$10.8M0.06%––
Nishkama Capital, LLC257,820$10.7M3.04%––
King Luther Capital Management Corp253,510$10.5M0.06%––
Castleark Management LLC245,191$10.2M0.37%––
Swiss National Bank243,000$10.1M0.01%––
Voloridge Investment Management, LLC229,172$9.54M0.07%––
New York State Common Retirement Fund227,112$9.45M0.01%––
UBS Group AG224,016$9.32M0.00%––
P.A.W. Capital Corp200,000$8.32M7.32%––
Credit Suisse AG189,304$7.88M0.01%––
S Squared Technology, LLC188,790$7.86M3.71%––
Manatuck Hill Partners, LLC173,458$7.22M2.44%––
California State Teachers Retirement System166,725$6.94M0.01%––
Cannell Capital LLC164,011$6.82M1.53%––
Two Sigma Investments, LP155,943$6.49M0.02%––
Friess Associates LLC154,992$6.45M2.51%––
Beacon Investment Advisory Services, Inc.151,730$6.31M0.28%––
Griffin Asset Management, Inc.150,857$6.28M0.80%––
Fuller & Thaler Asset Management, Inc.149,705$6.23M0.04%––
Alliancebernstein L.P.148,041$6.16M0.00%––
Rhumbline Advisers145,994$6.08M0.01%––
Brasada Capital Management, LP138,689$5.77M1.25%––
Bank of America Corp136,320$5.67M0.00%––
Silvercrest Asset Management Group LLC134,398$5.59M0.04%––
Royal Bank of Canada134,118$5.58M0.00%––
Voya Investment Management LLC123,494$5.14M0.01%––
Thrivent Financial for Lutherans122,506$5.10M0.01%––
Kopion Asset Management, LLC121,956$5.08M3.78%––
Madison Asset Management, LLC120,673$5.02M0.07%––
Janney Montgomery Scott LLC111,217$4.63M0.02%––
Parametric Portfolio Associates LLC110,928$4.62M0.00%––
D. E. Shaw & Co., Inc.99,883$4.16M0.01%––
Advisory Services Network, LLC99,415$4.14M0.15%––
HighTower Advisors, LLC98,283$4.09M0.01%––
Quadrature Capital Ltd95,615$3.98M0.19%––
Woodmont Investment Counsel LLC92,385$3.84M0.65%––
CIBC World Markets Inc.92,114$3.83M0.01%––
Brant Point Investment Management LLC90,000$3.75M0.68%––
Round Table Services, LLC90,000$3.75M0.91%––
Formula Growth Ltd84,430$3.51M0.51%––
Legal & General Group Plc76,159$3.17M0.00%––
EAM Investors, LLC75,662$3.15M0.47%––
Parallax Volatility Advisers, L.P.73,335$3.05M0.03%––
SEI Investments Co71,899$2.99M0.01%––
Citigroup Inc71,127$2.96M0.00%––
State of New Jersey Common Pension Fund D64,680$2.69M0.01%––
American International Group, Inc.64,423$2.68M0.01%––
Acuitas Investments, LLC62,505$2.60M1.49%––
Manufacturers Life Insurance Company, The61,599$2.56M0.00%––
Rice Hall James & Associates, LLC61,475$2.56M0.08%––
Commonwealth Equity Services, LLC58,073$2.42M0.01%––
Millrace Asset Group, Inc.57,555$2.40M1.29%––
Seven Eight Capital, LP76,965$2.36M0.54%––
EAM Global Investors LLC55,051$2.29M0.63%––
STRS Ohio54,900$2.28M0.01%––