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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 2023

Institutional positions in Magnite, Inc. as of Mar 31, 2023. 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
224
−7 vs. Q4 2022
Shares held
96.4M
+3.08M (+3.3%) vs. Q4 2022
Total value
$892.4M
−$95.6M (−9.7%) vs. Q4 2022
New holders
37
72 more added
Sold out
44
68 more reduced

Compare with Q4 2022: 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 holdersQ1 2023: 224 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 2023: $892.4M
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 2023

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2022.

Institutions holding MGNI in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Mount Yale Investment Advisors, LLC19,809$183.4K0.02%−3,630−15.5%Reduced
Fox Run Management, L.L.C.19,914$184.4K0.06%+9,844+97.8%Added
Harbour Capital Advisors, LLC20,000$185.2K0.06%+20,000New
Raymond James & Associates20,250$187.5K0.00%+604+3.1%Added
Envestnet Asset Management Inc20,422$189.1K0.00%−2,418−10.6%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)20,422$189.1K0.00%+1,367+7.2%Added
SEI Investments Co21,099$195.4K0.00%+9,010+74.5%Added
Evanson Asset Management, LLC21,171$196.0K0.02%00.0%Unchanged
Assenagon Asset Management S.A.21,554$199.6K0.00%−84,364−79.7%Reduced
Cerity Partners LLC22,806$211.2K0.00%+11,625+104.0%Added
Handelsbanken Fonder AB23,500$218.0K0.00%00.0%Unchanged
Janney Montgomery Scott LLC27,076$251.0K0.00%−51,607−65.6%Reduced
Trexquant Investment LP27,509$254.7K0.01%−87,724−76.1%Reduced
Versor Investments LP31,234$289.2K0.04%+6,134+24.4%Added
Shay Capital LLC31,400$290.8K0.12%+31,400New
Verition Fund Management LLC32,315$299.2K0.00%+32,315New
Arizona State Retirement System34,784$322.1K0.00%+1,024+3.0%Added
Connacht Asset Management LP35,204$326.0K0.94%+5,988+20.5%Added
American Century Companies Inc37,567$347.9K0.00%+23,554+168.1%Added
Virtu Financial LLC38,630$358.0K0.04%+38,630New
Avenir Corp39,270$363.6K0.03%+4,270+12.2%Added
Empowered Funds, LLC39,561$366.3K0.02%−136−0.3%Reduced
Calamos Advisors LLC44,369$410.9K0.00%+44,369New
Wells Fargo & Company44,949$416.2K0.00%+28,855+179.3%Added
Tudor Investment Corp Et Al46,134$427.0K0.01%−143,882−75.7%Reduced
Great Lakes Advisors, LLC46,970$434.9K0.00%+237+0.5%Added
CIBC World Markets Inc.48,796$452.0K0.00%00.0%Unchanged
Voya Investment Management LLC50,397$466.7K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The52,857$489.5K0.00%+1,886+3.7%Added
Jane Street Group, LLC53,031$491.1K0.00%−47,819−47.4%Reduced
Royal Bank of Canada53,174$492.0K0.00%−53,027−49.9%Reduced
Mirae Asset Global Investments Co., Ltd.58,167$538.6K0.00%00.0%Unchanged
Janus Henderson Group PLC59,250$547.8K0.00%+36,840+164.4%Added
Price T Rowe Associates Inc61,702$572.0K0.00%+1,921+3.2%Added
State Board of Administration of Florida Retirement System61,859$572.8K0.00%+20,448+49.4%Added
Ensign Peak Advisors, Inc62,510$578.8K0.00%+150+0.2%Added
Knights of Columbus Asset Advisors LLC63,165$584.9K0.06%00.0%Unchanged
American International Group, Inc.63,878$591.5K0.00%+1,272+2.0%Added
Barclays PLC67,220$622.5K0.00%+31,682+89.1%Added
HSBC Holdings PLC67,911$628.9K0.00%−26,800−28.3%Reduced
Greenwood Capital Associates LLC69,396$642.6K0.09%−14,786−17.6%Reduced
MetLife Investment Management69,690$645.3K0.00%00.0%Unchanged
Dynamic Technology Lab Private Ltd76,236$706.0K0.07%+46,372+155.3%Added
Quantbot Technologies LP77,244$715.3K0.05%+77,244New
Moody National Bank Trust Division79,959$740.4K0.06%+14,583+22.3%Added
Gsa Capital Partners LLP81,356$753.0K0.07%+81,356New
CM Wealth Advisors LLC84,685$755.0K0.15%+84,685New
ClariVest Asset Management LLC81,685$757.0K0.03%−13,940−14.6%Reduced
UBS Group AG82,386$762.9K0.00%+1,654+2.0%Added
Griffin Asset Management, Inc.84,465$782.1K0.11%−38,144−31.1%Reduced
Aj Wealth Strategies, LLC100,000$926.0K0.05%00.0%Unchanged
State of Wisconsin Investment Board106,845$989.4K0.00%−11,971−10.1%Reduced
Credit Suisse AG106,936$990.2K0.00%−1,689−1.6%Reduced
Millrace Asset Group, Inc.108,747$1.01M1.18%−56,034−34.0%Reduced
HighTower Advisors, LLC110,699$1.02M0.00%−681−0.6%Reduced
Legal & General Group Plc113,480$1.05M0.00%+5,222+4.8%Added
Advisory Services Network, LLC114,067$1.06M0.03%+258+0.2%Added
Alliancebernstein L.P.130,251$1.21M0.00%00.0%Unchanged
Perkins Capital Management Inc133,325$1.24M1.16%−2,750−2.0%Reduced
Lapides Asset Management, LLC150,700$1.40M0.85%+150,700New
Deutsche Bank AG151,659$1.40M0.00%−27,102−15.2%Reduced
Fuller & Thaler Asset Management, Inc.151,710$1.40M0.01%−120−0.1%Reduced
California State Teachers Retirement System154,667$1.43M0.00%−2,192−1.4%Reduced
SG Americas Securities, LLC159,694$1.48M0.02%+132,598+489.4%Added
Manatuck Hill Partners, LLC163,500$1.51M0.77%−224,000−57.8%Reduced
State of New Jersey Common Pension Fund D171,328$1.59M0.01%+171,328New
Woodmont Investment Counsel LLC172,852$1.60M0.17%−19,778−10.3%Reduced
Jump Financial, LLC174,408$1.62M0.07%+73,911+73.5%Added
Avalon Investment & Advisory183,854$1.70M0.05%−65,040−26.1%Reduced
Prelude Capital Management, LLC191,360$1.77M0.12%+84,088+78.4%Added
Two Sigma Investments, LP192,262$1.78M0.01%+95,223+98.1%Added
Stephens Inc194,834$1.80M0.03%−48,403−19.9%Reduced
Russell Investments Group, Ltd.196,769$1.82M0.00%+133,269+209.9%Added
Qube Research & Technologies Ltd231,372$2.14M0.01%+231,372New
Rhumbline Advisers235,262$2.18M0.00%+6,336+2.8%Added
Susquehanna International Group, LLP245,886$2.28M0.00%+245,886New
Swiss National Bank259,100$2.40M0.00%−29,800−10.3%Reduced
First Eagle Investment Management, LLC260,277$2.41M0.01%−135,128−34.2%Reduced
Ameriprise Financial Inc268,427$2.49M0.00%−2,222−0.8%Reduced
Citigroup Inc268,610$2.49M0.00%−94,697−26.1%Reduced
Castleark Management LLC277,780$2.57M0.13%+91,030+48.7%Added
Fred Alger Management, LLC279,319$2.59M0.01%−57,881−17.2%Reduced
Two Sigma Advisers, LP324,126$3.00M0.01%+21,600+7.1%Added
Madison Asset Management, LLC338,252$3.13M0.05%+59,278+21.2%Added
Bank of America Corp364,193$3.37M0.00%+194,411+114.5%Added
P.A.W. Capital Corp440,000$4.07M8.99%−40,000−8.3%Reduced
Invesco Ltd.493,323$4.57M0.00%+392,662+390.1%Added
King Luther Capital Management Corp502,314$4.65M0.02%−2,673−0.5%Reduced
Driehaus Capital Management LLC502,631$4.65M0.07%+502,631New
Cannell Capital LLC506,853$4.69M0.91%+175,086+52.8%Added
Scout Investments, Inc.508,564$4.71M0.10%−5,785−1.1%Reduced
S Squared Technology, LLC534,090$4.95M2.94%+85,000+18.9%Added
Morgan Stanley549,207$5.09M0.00%−351,172−39.0%Reduced
Meros Investment Management, LP623,255$5.77M3.28%+41,135+7.1%Added
UBS Asset Management Americas Inc647,338$5.99M0.00%−4,320−0.7%Reduced
Silvercrest Asset Management Group LLC702,389$6.50M0.05%+64,397+10.1%Added
New York State Common Retirement Fund704,918$6.53M0.01%+445,618+171.9%Added
Renaissance Technologies LLC718,054$6.65M0.01%−238,200−24.9%Reduced
JPMorgan Chase & Co739,389$6.85M0.00%+607,271+459.6%Added
Goldman Sachs Group Inc747,990$6.93M0.00%+22,522+3.1%Added