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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
HighTower Advisors, LLC98,283$4.09M0.01%––
Advisory Services Network, LLC99,415$4.14M0.15%––
D. E. Shaw & Co., Inc.99,883$4.16M0.01%––
Parametric Portfolio Associates LLC110,928$4.62M0.00%––
Janney Montgomery Scott LLC111,217$4.63M0.02%––
Madison Asset Management, LLC120,673$5.02M0.07%––
Kopion Asset Management, LLC121,956$5.08M3.78%––
Thrivent Financial for Lutherans122,506$5.10M0.01%––
Voya Investment Management LLC123,494$5.14M0.01%––
Royal Bank of Canada134,118$5.58M0.00%––
Silvercrest Asset Management Group LLC134,398$5.59M0.04%––
Bank of America Corp136,320$5.67M0.00%––
Brasada Capital Management, LP138,689$5.77M1.25%––
Rhumbline Advisers145,994$6.08M0.01%––
Alliancebernstein L.P.148,041$6.16M0.00%––
Fuller & Thaler Asset Management, Inc.149,705$6.23M0.04%––
Griffin Asset Management, Inc.150,857$6.28M0.80%––
Beacon Investment Advisory Services, Inc.151,730$6.31M0.28%––
Friess Associates LLC154,992$6.45M2.51%––
Two Sigma Investments, LP155,943$6.49M0.02%––
Cannell Capital LLC164,011$6.82M1.53%––
California State Teachers Retirement System166,725$6.94M0.01%––
Manatuck Hill Partners, LLC173,458$7.22M2.44%––
S Squared Technology, LLC188,790$7.86M3.71%––
Credit Suisse AG189,304$7.88M0.01%––
P.A.W. Capital Corp200,000$8.32M7.32%––
UBS Group AG224,016$9.32M0.00%––
New York State Common Retirement Fund227,112$9.45M0.01%––
Voloridge Investment Management, LLC229,172$9.54M0.07%––
Swiss National Bank243,000$10.1M0.01%––
Castleark Management LLC245,191$10.2M0.37%––
King Luther Capital Management Corp253,510$10.5M0.06%––
Nishkama Capital, LLC257,820$10.7M3.04%––
Calamos Advisors LLC259,404$10.8M0.06%––
Pier Capital, LLC268,290$11.2M1.06%––
California Public Employees Retirement System268,963$11.2M0.01%––
Jane Street Group, LLC284,958$11.9M0.03%––
Lisanti Capital Growth, LLC288,014$12.0M1.54%––
Primecap Management Co300,000$12.5M0.01%––
Royce & Associates LP312,100$13.0M0.09%––
Ameriprise Financial Inc338,268$14.1M0.00%––
Millennium Management LLC377,700$15.7M0.02%––
Scout Investments, Inc.408,487$17.0M0.26%––
Alta Park Capital, LP428,891$17.8M1.97%––
Bank of New York Mellon Corp450,800$18.8M0.00%––
Deutsche Bank AG451,513$18.8M0.01%––
Ashford Capital Management Inc475,043$19.8M1.85%––
Russell Investments Group, Ltd.522,432$21.7M0.04%––
Collaborative Holdings Management LP567,233$23.6M13.03%––
Ranger Investment Management, L.P.596,123$24.8M1.37%––
Goldman Sachs Group Inc657,474$27.4M0.01%––
JPMorgan Chase & Co669,027$27.8M0.00%––
Citadel Advisors LLC728,726$30.3M0.03%––
UBS Asset Management Americas Inc767,059$31.9M0.01%––
Charles Schwab Investment Management Inc776,776$32.3M0.01%––
Williams Jones Wealth Management, LLC.808,178$33.6M0.53%––
Nine Ten Capital Management LLC847,511$35.3M4.88%––
Morgan Stanley960,858$40.0M0.01%––
Norges Bank1,068,211$44.4M0.01%––
Susquehanna International Group, LLP1,119,542$46.6M0.06%––
Invesco Ltd.1,134,256$47.2M0.01%––
Lord, Abbett & Co. LLC1,139,785$47.4M0.12%––
Dimensional Fund Advisors LP1,184,785$49.3M0.02%––
ProShare Advisors LLC1,265,355$52.7M0.17%––
Northern Trust Corp1,266,737$52.7M0.01%––
Edenbrook Capital, LLC1,325,000$55.1M18.89%––
Driehaus Capital Management LLC1,413,588$58.8M0.87%––
Wells Fargo & Company1,768,206$73.6M0.02%––
Geode Capital Management, LLC1,910,134$79.5M0.01%––
Renaissance Technologies LLC2,023,313$84.2M0.10%––
State Street Corp2,265,109$94.3M0.01%––
Fred Alger Management, LLC2,306,460$96.0M0.25%––
Frontier Capital Management Co LLC3,373,124$140.4M1.06%––
FMR LLC3,852,840$160.3M0.01%––
Granahan Investment Management Inc5,113,469$212.8M4.51%––
Allianz Asset Management GmbH6,982,548$290.5M0.30%––
Nuveen Asset Management, LLC7,075,585$294.4M0.09%––
Vanguard Group Inc7,791,387$324.2M0.01%––
BlackRock Inc.8,674,069$360.9M0.01%––
Harel Insurance Investments & Financial Services Ltd.6,790––––