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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, Q2 2021

Institutional positions in Magnite, Inc. as of Jun 30, 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
268
−11 vs. Q1 2021
Shares held
85.4M
−961.7K (−1.1%) vs. Q1 2021
Total value
$2.89B
−$701.7M (−19.5%) vs. Q1 2021
New holders
52
93 more added
Sold out
63
78 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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.

Institutional holdersQ2 2021: 268 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 heldQ2 2021: $2.89B
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, Q2 2021

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2021.

Institutions holding MGNI in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Raymond James Financial Services Advisors, Inc.11,301$382.0K0.00%−8,955−44.2%Reduced
Resolute Partners Group11,500$386.0K0.06%+11,500New
Cerity Partners LLC11,848$401.0K0.01%00.0%Unchanged
Wellington Management Group LLP12,365$418.0K0.00%+12,365New
Teacher Retirement System of Texas13,229$448.0K0.00%+2,083+18.7%Added
Creative Planning13,295$450.0K0.00%−3,637−21.5%Reduced
Verition Fund Management LLC13,955$472.0K0.01%+13,955New
Cresset Asset Management, LLC14,494$490.0K0.01%+2,104+17.0%Added
Walleye Trading LLC14,661$496.0K0.01%−28,418−66.0%Reduced
Banque Cantonale Vaudoise14,670$496.0K0.02%+6,237+74.0%Added
Raymond James & Associates14,957$506.0K0.00%−12,173−44.9%Reduced
Public Employees Retirement Association of Colorado14,986$507.0K0.00%00.0%Unchanged
Oxbow Advisors, LLC15,360$520.0K0.05%+4,700+44.1%Added
Valeo Financial Advisors, LLC15,537$526.0K0.03%+3,500+29.1%Added
B. Riley Wealth Management, Inc.16,047$543.0K0.06%−1,854−10.4%Reduced
Campbell & CO Investment Adviser LLC16,650$563.0K0.24%+16,650New
Cutler Group LP16,786$568.0K0.04%−7,074−29.6%Reduced
Principal Financial Group Inc16,795$568.0K0.00%−1,251−6.9%Reduced
ExodusPoint Capital Management, LP17,066$578.0K0.01%+17,066New
Quantbot Technologies LP17,536$593.0K0.05%+17,536New
Envestnet Asset Management Inc19,731$668.0K0.00%+5,277+36.5%Added
Amalgamated Bank19,837$671.0K0.01%+7,125+56.0%Added
Brant Point Investment Management LLC20,000$677.0K0.12%−70,000−77.8%Reduced
Wolverine Trading, LLC18,453$681.0K0.02%−31,098−62.8%Reduced
Silvant Capital Management LLC21,197$717.0K0.11%00.0%Unchanged
Spouting Rock Asset Management, LLC21,468$726.0K0.22%−2,938−12.0%Reduced
PDT Partners, LLC21,839$739.0K0.05%+21,839New
Evanson Asset Management, LLC21,892$741.0K0.08%+2,807+14.7%Added
Handelsbanken Fonder AB22,000$744.0K0.00%+22,000New
Truist Financial Corp23,165$783.0K0.00%+9,649+71.4%Added
Advisory Research Inc23,210$785.0K0.05%−12,711−35.4%Reduced
Exchange Traded Concepts, LLC23,308$789.0K0.02%+7,726+49.6%Added
Perkins Capital Management Inc23,525$796.0K0.45%00.0%Unchanged
Leonteq Securities AG23,813$805.8K0.06%+10,288+76.1%Added
Advisor Group Holdings, Inc.25,631$869.0K0.00%−1,397−5.2%Reduced
G2 Investment Partners Management LLC26,000$880.0K0.15%+26,000New
Cambridge Investment Research Advisors, Inc.26,850$909.0K0.00%−2,581−8.8%Reduced
Blackhill Capital Inc27,615$934.0K0.09%00.0%Unchanged
AQR Capital Management LLC28,013$948.0K0.00%−13,641−32.7%Reduced
Metropolitan Life Insurance Co28,527$965.4K0.01%−831−2.8%Reduced
Arizona State Retirement System29,844$1.01M0.01%−1,118−3.6%Reduced
Victory Capital Management Inc29,998$1.01M0.00%+8,855+41.9%Added
Boothbay Fund Management, LLC30,700$1.04M0.04%+14,400+88.3%Added
Stifel Financial Corp32,277$1.09M0.00%−429−1.3%Reduced
Los Angeles Capital Management LLC35,120$1.19M0.01%+15,330+77.5%Added
LPL Financial LLC35,322$1.20M0.00%+2,153+6.5%Added
Dynamic Technology Lab Private Ltd35,473$1.20M0.12%+35,473New
Blue Rock Advisors, LLC35,643$1.21M2.01%+35,643New
Marshall Wace North America L.P.36,701$1.24M0.01%+18,703+103.9%Added
MetLife Investment Management37,060$1.25M0.01%−3,353−8.3%Reduced
Congress Park Capital LLC38,428$1.30M0.65%+3,330+9.5%Added
State Board of Administration of Florida Retirement System40,204$1.36M0.00%+3,866+10.6%Added
PEAK6 Investments LLC43,153$1.46M0.04%+43,153New
Prelude Capital Management, LLC45,441$1.54M0.08%−3,104−6.4%Reduced
Price T Rowe Associates Inc50,718$1.72M0.00%+1,860+3.8%Added
NN Investment Partners Holdings N.V.51,300$1.74M0.01%+51,300New
Trexquant Investment LP51,436$1.74M0.15%+22,395+77.1%Added
Blueshift Asset Management, LLC51,635$1.75M0.10%+25,901+100.6%Added
Connacht Asset Management LP53,146$1.80M1.59%+11,607+27.9%Added
Greenwood Capital Associates LLC54,551$1.85M0.28%−121−0.2%Reduced
Stephens Inc54,920$1.86M0.03%+8,985+19.6%Added
Mutual of America Capital Management LLC56,661$1.92M0.02%+56,661New
Manufacturers Life Insurance Company, The58,800$1.99M0.00%−2,799−4.5%Reduced
Rice Hall James & Associates, LLC58,847$1.99M0.07%−2,628−4.3%Reduced
American International Group, Inc.58,862$1.99M0.01%−5,561−8.6%Reduced
Commonwealth Equity Services, LLC60,350$2.04M0.01%+2,277+3.9%Added
TCW Group Inc64,606$2.19M0.02%+16,392+34.0%Added
Acuitas Investments, LLC69,779$2.36M1.18%+7,274+11.6%Added
Jump Financial, LLC71,700$2.43M0.23%+27,441+62.0%Added
Capital Fund Management S.A.71,962$2.44M0.07%+71,962New
Quadrature Capital Ltd71,957$2.44M0.09%−23,658−24.7%Reduced
Legal & General Group Plc74,888$2.53M0.00%−1,271−1.7%Reduced
Paloma Partners Management Co83,129$2.81M0.07%+71,209+597.4%Added
STRS Ohio84,200$2.85M0.01%+29,300+53.4%Added
Formula Growth Ltd84,430$2.86M0.39%00.0%Unchanged
Round Table Services, LLC90,000$3.05M0.67%00.0%Unchanged
Healthcare of Ontario Pension Plan Trust Fund91,104$3.08M0.01%+91,104New
Woodmont Investment Counsel LLC94,053$3.18M0.50%+1,668+1.8%Added
Advisory Services Network, LLC94,665$3.20M0.10%−4,750−4.8%Reduced
State of New Jersey Common Pension Fund D94,898$3.21M0.01%+30,218+46.7%Added
Investment Management of Virginia LLC95,290$3.23M0.62%+65,940+224.7%Added
Parametric Portfolio Associates LLC95,894$3.25M0.00%−15,034−13.6%Reduced
Roumell Asset Management, LLC100,000$3.38M3.95%+100,000New
HighTower Advisors, LLC100,283$3.39M0.01%+2,000+2.0%Added
CIBC World Markets Inc.102,697$3.48M0.01%+10,583+11.5%Added
Nordea Investment Management AB109,655$3.71M0.00%+109,655New
State of Wisconsin Investment Board110,000$3.72M0.01%+110,000New
Royal Bank of Canada112,508$3.81M0.00%−21,610−16.1%Reduced
Rhumbline Advisers113,893$3.85M0.01%−32,101−22.0%Reduced
First Trust Advisors LP117,734$3.98M0.00%+117,734New
SEI Investments Co124,535$4.21M0.01%+52,636+73.2%Added
Millrace Asset Group, Inc.130,110$4.40M2.30%+72,555+126.1%Added
Jane Street Group, LLC138,013$4.67M0.01%−146,945−51.6%Reduced
HSBC Holdings PLC136,937$4.82M0.01%+136,937New
Alliancebernstein L.P.143,951$4.87M0.00%−4,090−2.8%Reduced
California State Teachers Retirement System144,730$4.90M0.01%−21,995−13.2%Reduced
Glen Point Capital LLP145,000$4.91M7.35%+145,000New
Fuller & Thaler Asset Management, Inc.146,070$4.94M0.03%−3,635−2.4%Reduced
Bank of America Corp146,222$4.95M0.00%+9,902+7.3%Added
Brasada Capital Management, LP149,593$5.06M0.99%+10,904+7.9%Added