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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, Q3 2022

Institutional positions in Magnite, Inc. as of Sep 30, 2022. 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
218
−12 vs. Q2 2022
Shares held
103.3M
+15.3M (+17.4%) vs. Q2 2022
Total value
$679.0M
−$102.3M (−13.1%) vs. Q2 2022
New holders
23
74 more added
Sold out
35
74 more reduced

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2022: 218 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 heldQ3 2022: $679.0M
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, Q3 2022

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q2 2022.

Institutions holding MGNI in Q3 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Nuveen Asset Management, LLC17,128,277$112.5M0.05%+14,513,175+555.0%Added
Vanguard Group Inc12,090,420$79.4M0.00%+262,869+2.2%Added
Granahan Investment Management Inc10,417,962$68.4M2.23%+918,704+9.7%Added
BlackRock Inc.8,551,338$56.2M0.00%−170,452−2.0%Reduced
Edenbrook Capital, LLC5,792,796$38.1M15.05%+1,633,560+39.3%Added
FMR LLC5,738,389$37.7M0.00%+2,874+0.1%Added
Bank of New York Mellon Corp2,965,914$19.5M0.00%−760,127−20.4%Reduced
State Street Corp2,735,553$18.0M0.00%+24,201+0.9%Added
Geode Capital Management, LLC2,309,902$15.2M0.00%+55,078+2.4%Added
Nine Ten Capital Management LLC2,091,412$13.7M2.10%−275,000−11.6%Reduced
Parallax Volatility Advisers, L.P.1,930,760$12.7M0.25%+635,737+49.1%Added
Wellington Management Group LLP1,412,303$9.28M0.00%+1,412,303New
Dimensional Fund Advisors LP1,391,141$9.14M0.00%+203,054+17.1%Added
Kennedy Capital Management, Inc.1,302,580$8.56M0.25%+84,221+6.9%Added
Northern Trust Corp1,197,039$7.87M0.00%−17,547−1.4%Reduced
Norges Bank1,187,688$7.80M0.00%00.0%Unchanged
Builders Union LLP1,169,700$7.68M6.75%+1,169,700New
Royce & Associates LP1,036,350$6.81M0.08%+343,300+49.5%Added
Goldman Sachs Group Inc906,103$5.95M0.00%−268,527−22.9%Reduced
Charles Schwab Investment Management Inc879,080$5.78M0.00%+29,162+3.4%Added
Kopion Asset Management, LLC875,621$5.75M6.31%+47,581+5.7%Added
Citadel Advisors LLC864,029$5.68M0.01%−608,372−41.3%Reduced
Morgan Stanley844,670$5.55M0.00%+60,431+7.7%Added
Williams Jones Wealth Management, LLC.772,393$5.08M0.09%−101,330−11.6%Reduced
P.A.W. Capital Corp750,000$4.93M7.39%+50,000+7.1%Added
Roumell Asset Management, LLC730,321$4.80M10.39%+145,000+24.8%Added
UBS Asset Management Americas Inc612,914$4.03M0.00%−67,192−9.9%Reduced
Scout Investments, Inc.578,040$3.80M0.08%−16,364−2.8%Reduced
Silvercrest Asset Management Group LLC557,067$3.66M0.03%−14,825−2.6%Reduced
Renaissance Technologies LLC525,554$3.45M0.00%−1,183,400−69.2%Reduced
King Luther Capital Management Corp505,462$3.32M0.02%+117,087+30.1%Added
Cubist Systematic Strategies, LLC471,030$3.10M0.02%+216,872+85.3%Added
S Squared Technology, LLC449,090$2.95M2.16%00.0%Unchanged
Madison Asset Management, LLC410,234$2.69M0.05%+45,781+12.6%Added
First Eagle Investment Management, LLC408,869$2.69M0.01%+293,869+255.5%Added
Two Sigma Investments, LP404,994$2.66M0.01%+69,323+20.7%Added
Meros Investment Management, LP383,952$2.52M2.60%+10,580+2.8%Added
Tudor Investment Corp Et Al349,901$2.30M0.06%+336,942+2,600.1%Added
Two Sigma Advisers, LP341,726$2.25M0.01%+21,534+6.7%Added
Fred Alger Management, LLC337,079$2.21M0.01%+870.0%Added
Equitec Proprietary Markets, LLC312,964$2.06M0.91%−30,200−8.8%Reduced
Nordea Investment Management AB305,091$2.05M0.00%+1,099+0.4%Added
Ameriprise Financial Inc299,171$1.97M0.00%−1,634−0.5%Reduced
Globeflex Capital L P296,792$1.95M0.34%+296,489+97,851.2%Added
Citigroup Inc283,182$1.86M0.00%−41,570−12.8%Reduced
Voya Investment Management LLC280,701$1.84M0.00%+228,715+440.0%Added
Swiss National Bank280,400$1.84M0.00%00.0%Unchanged
Walleye Capital LLC237,119$1.56M0.04%+154,387+186.6%Added
CastleKnight Management LP223,300$1.47M0.46%−7,100−3.1%Reduced
State of Wisconsin Investment Board219,546$1.44M0.00%+9,535+4.5%Added
Rhumbline Advisers216,816$1.42M0.00%+15,019+7.4%Added
Dynamic Technology Lab Private Ltd203,052$1.33M0.13%+165,496+440.7%Added
Stephens Inc198,486$1.30M0.03%−1,073−0.5%Reduced
Alpha Paradigm Partners, LLC194,667$1.28M0.56%+66,681+52.1%Added
Woodmont Investment Counsel LLC190,395$1.25M0.16%+27,376+16.8%Added
Bank of America Corp186,336$1.22M0.00%−44,476−19.3%Reduced
Prudential Financial Inc124,222$1.12M0.00%+114,135+1,131.5%Added
New York State Common Retirement Fund165,081$1.08M0.00%−18,352−10.0%Reduced
Credit Suisse AG160,479$1.05M0.00%+5,056+3.3%Added
California State Teachers Retirement System153,847$1.01M0.00%−4,217−2.7%Reduced
AlphaCrest Capital Management LLC151,129$993.0K0.06%+103,453+217.0%Added
Fuller & Thaler Asset Management, Inc.149,930$985.0K0.01%+3,050+2.1%Added
Beacon Investment Advisory Services, Inc.147,292$968.0K0.05%−112,610−43.3%Reduced
Perkins Capital Management Inc136,075$894.0K1.00%+500.0%Added
Griffin Asset Management, Inc.134,234$882.0K0.15%−16,878−11.2%Reduced
Alliancebernstein L.P.130,251$856.0K0.00%−26,884−17.1%Reduced
Jump Financial, LLC130,359$856.0K0.03%+130,359New
Deutsche Bank AG128,519$845.0K0.00%−455,987−78.0%Reduced
Connacht Asset Management LP125,522$825.0K1.55%−59,325−32.1%Reduced
Millrace Asset Group, Inc.124,634$819.0K1.03%−109,789−46.8%Reduced
First Trust Advisors LP118,651$780.0K0.00%+91,552+337.8%Added
JPMorgan Chase & Co117,069$769.0K0.00%+3,169+2.8%Added
HighTower Advisors, LLC115,864$760.0K0.00%+1,429+1.2%Added
Chartwell Investment Partners, LLC113,422$745.0K0.03%+113,422New
Manatuck Hill Partners, LLC112,491$739.0K0.38%−425,700−79.1%Reduced
Round Table Services, LLC110,000$723.0K0.14%00.0%Unchanged
Legal & General Group Plc104,245$685.0K0.00%−10,453−9.1%Reduced
Invesco Ltd.100,593$662.0K0.00%−2,582−2.5%Reduced
HSBC Holdings PLC96,511$650.0K0.00%−27,075−21.9%Reduced
Royal Bank of Canada97,958$643.0K0.00%+15,492+18.8%Added
Versor Investments LP97,900$643.0K0.04%+97,900New
ClariVest Asset Management LLC95,699$629.0K0.03%−258−0.3%Reduced
Advisory Services Network, LLC85,726$563.0K0.02%−9,123−9.6%Reduced
Greenwood Capital Associates LLC84,079$552.0K0.09%−2,015−2.3%Reduced
Group One Trading, L.P.81,845$538.0K0.02%−40,899−33.3%Reduced
Susquehanna International Group, LLP76,563$503.0K0.00%−305,005−79.9%Reduced
MetLife Investment Management69,690$457.9K0.00%00.0%Unchanged
PDT Partners, LLC68,347$449.0K0.07%−32,394−32.2%Reduced
Thrivent Financial for Lutherans65,722$432.0K0.00%−366,156−84.8%Reduced
Aj Wealth Strategies, LLC65,000$427.0K0.02%+65,000New
Russell Investments Group, Ltd.63,500$417.0K0.00%00.0%Unchanged
Knights of Columbus Asset Advisors LLC63,165$415.0K0.04%−65,841−51.0%Reduced
American International Group, Inc.62,140$408.0K0.00%+877+1.4%Added
Price T Rowe Associates Inc60,905$401.0K0.00%−15,717−20.5%Reduced
Millennium Management LLC60,629$398.0K0.00%−14,081−18.8%Reduced
Moody National Bank Trust Division56,676$372.0K0.04%+15,976+39.3%Added
Quantbot Technologies LP56,026$368.0K0.03%+21,653+63.0%Added
Mirae Asset Global Investments Co., Ltd.53,587$352.0K0.00%+16,660+45.1%Added
Graham Capital Management, L.P.52,279$343.0K0.01%+41,316+376.9%Added
Empowered Funds, LLC51,984$342.0K0.03%+12,520+31.7%Added