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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, Q2 2023

Institutional positions in Magnite, Inc. as of Jun 30, 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
+1 vs. Q1 2023
Shares held
101.7M
+5.52M (+5.7%) vs. Q1 2023
Total value
$1.39B
+$495.6M (+55.6%) vs. Q1 2023
New holders
35
72 more added
Sold out
34
64 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 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 heldQ2 2023: $1.39B
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 2023

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2023.

Institutions holding MGNI in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
SEI Investments Co27,466$374.9K0.00%+6,367+30.2%Added
Harbor Capital Advisors, Inc.28,406$387.7K0.08%+28,406New
Brown Advisory Inc28,816$393.3K0.00%+28,816New
Janney Montgomery Scott LLC32,289$441.0K0.00%+5,213+19.3%Added
Level Four Advisory Services, LLC33,784$461.2K0.03%+15,862+88.5%Added
Connacht Asset Management LP35,493$484.5K1.65%+289+0.8%Added
Empowered Funds, LLC36,531$498.6K0.02%−3,030−7.7%Reduced
EA Series Trust36,531$498.6K0.02%+36,531New
Arizona State Retirement System37,935$517.8K0.00%+3,151+9.1%Added
State Board of Administration of Florida Retirement System38,031$519.1K0.00%−23,828−38.5%Reduced
Susquehanna International Group, LLP38,913$531.2K0.00%−206,973−84.2%Reduced
Avenir Corp39,270$536.0K0.05%00.0%Unchanged
Tudor Investment Corp Et Al39,336$536.9K0.01%−6,798−14.7%Reduced
Voloridge Investment Management, LLC41,812$570.7K0.00%+41,812New
Royal Bank of Canada41,937$572.0K0.00%−11,237−21.1%Reduced
Mach-1 Financial Group, Inc.43,029$587.3K0.24%+43,029New
Millennium Management LLC43,390$592.3K0.00%+43,390New
AE Wealth Management LLC43,427$592.8K0.00%+43,427New
Occudo Quantitative Strategies LP44,878$612.6K0.06%+44,878New
Cerity Partners LLC45,348$619.0K0.00%+22,542+98.8%Added
Skandinaviska Enskilda Banken AB (publ)45,800$625.0K0.00%+45,800New
CIBC World Markets Inc.48,796$666.0K0.00%00.0%Unchanged
HSBC Holdings PLC50,033$678.7K0.00%−17,878−26.3%Reduced
Barclays PLC51,083$697.3K0.00%−16,137−24.0%Reduced
Legato Capital Management LLC51,250$699.6K0.09%+38,990+318.0%Added
Voya Investment Management LLC52,880$721.8K0.00%+2,483+4.9%Added
Manufacturers Life Insurance Company, The53,695$732.9K0.00%+838+1.6%Added
Mirae Asset Global Investments Co., Ltd.58,167$794.0K0.00%00.0%Unchanged
Janus Henderson Group PLC59,118$806.4K0.00%−132−0.2%Reduced
Alpha DNA Investment Management LLC60,923$831.6K0.47%+60,923New
Ensign Peak Advisors, Inc62,510$853.3K0.00%00.0%Unchanged
Knights of Columbus Asset Advisors LLC63,165$862.2K0.08%00.0%Unchanged
American International Group, Inc.64,478$880.1K0.01%+600+0.9%Added
Franklin Resources Inc64,743$883.7K0.00%+64,743New
Price T Rowe Associates Inc67,128$917.0K0.00%+5,426+8.8%Added
Greenwood Capital Associates LLC68,129$930.0K0.13%−1,267−1.8%Reduced
Wells Fargo & Company69,804$952.8K0.00%+24,855+55.3%Added
American Century Companies Inc69,995$955.4K0.00%+32,428+86.3%Added
MetLife Investment Management70,673$964.7K0.01%+983+1.4%Added
Quantbot Technologies LP72,209$985.7K0.06%−5,035−6.5%Reduced
Moody National Bank Trust Division72,626$991.3K0.07%−7,333−9.2%Reduced
ClariVest Asset Management LLC75,928$1.04M0.05%−5,757−7.0%Reduced
1492 Capital Management LLC78,974$1.08M0.63%+78,974New
Griffin Asset Management, Inc.84,465$1.15M0.16%00.0%Unchanged
Boothbay Fund Management, LLC86,181$1.18M0.04%+86,181New
Aj Wealth Strategies, LLC100,000$1.36M0.07%00.0%Unchanged
Russell Investments Group, Ltd.101,751$1.39M0.00%−95,018−48.3%Reduced
HighTower Advisors, LLC102,274$1.40M0.00%−8,425−7.6%Reduced
UBS Group AG108,864$1.49M0.00%+26,478+32.1%Added
Advisory Services Network, LLC113,919$1.55M0.04%−148−0.1%Reduced
Stephens Inc119,738$1.63M0.03%−75,096−38.5%Reduced
Legal & General Group Plc120,585$1.65M0.00%+7,105+6.3%Added
Alliancebernstein L.P.130,251$1.78M0.00%00.0%Unchanged
Invesco Ltd.132,539$1.81M0.00%−360,784−73.1%Reduced
State of Wisconsin Investment Board132,999$1.82M0.01%+26,154+24.5%Added
Perkins Capital Management Inc133,325$1.82M1.59%00.0%Unchanged
Deutsche Bank AG139,068$1.90M0.00%−12,591−8.3%Reduced
Jane Street Group, LLC143,581$1.96M0.00%+90,550+170.7%Added
Fuller & Thaler Asset Management, Inc.151,045$2.06M0.01%−665−0.4%Reduced
California State Teachers Retirement System163,403$2.23M0.00%+8,736+5.6%Added
Manatuck Hill Partners, LLC163,500$2.23M1.06%00.0%Unchanged
First Trust Advisors LP171,442$2.34M0.00%+171,442New
Lapides Asset Management, LLC172,400$2.35M1.54%+21,700+14.4%Added
Woodmont Investment Counsel LLC178,209$2.43M0.25%+5,357+3.1%Added
Bank of America Corp187,506$2.56M0.00%−176,687−48.5%Reduced
State of New Jersey Common Pension Fund D201,669$2.75M0.01%+30,341+17.7%Added
Citigroup Inc202,168$2.76M0.00%−66,442−24.7%Reduced
Prelude Capital Management, LLC214,276$2.92M0.24%+22,916+12.0%Added
Rhumbline Advisers219,887$3.00M0.00%−15,375−6.5%Reduced
Credit Suisse AG236,891$3.23M0.00%+129,955+121.5%Added
Squarepoint Ops LLC261,280$3.57M0.02%+261,280New
Ameriprise Financial Inc266,110$3.63M0.00%−2,317−0.9%Reduced
Two Sigma Advisers, LP268,226$3.66M0.01%−55,900−17.2%Reduced
Fred Alger Management, LLC272,714$3.72M0.02%−6,605−2.4%Reduced
Citadel Advisors LLC290,226$3.96M0.00%−574,635−66.4%Reduced
Swiss National Bank294,000$4.01M0.00%+34,900+13.5%Added
Renaissance Technologies LLC296,754$4.05M0.01%−421,300−58.7%Reduced
Millrace Asset Group, Inc.299,588$4.09M4.28%+190,841+175.5%Added
Madison Asset Management, LLC338,900$4.63M0.07%+648+0.2%Added
Oberweis Asset Management Inc340,700$4.65M0.57%+340,700New
iA Global Asset Management Inc.356,730$4.87M0.13%+356,730New
P.A.W. Capital Corp400,000$5.46M11.21%−40,000−9.1%Reduced
First Eagle Investment Management, LLC407,777$5.57M0.01%+147,500+56.7%Added
Castleark Management LLC409,820$5.59M0.25%+132,040+47.5%Added
Two Sigma Investments, LP409,830$5.59M0.01%+217,568+113.2%Added
UBS Asset Management Americas Inc647,338$5.99M0.00%00.0%Unchanged
King Luther Capital Management Corp509,342$6.95M0.03%+7,028+1.4%Added
Scout Investments, Inc.493,871$7.22M0.15%−14,693−2.9%Reduced
S Squared Technology, LLC540,746$7.38M3.65%+6,656+1.2%Added
Morgan Stanley591,899$8.08M0.00%+42,692+7.8%Added
Lisanti Capital Growth, LLC601,430$8.21M1.14%+601,430New
Kopion Asset Management, LLC603,231$8.23M6.97%−263,215−30.4%Reduced
Goldman Sachs Group Inc608,823$8.31M0.00%−139,167−18.6%Reduced
Engle Capital Management, L.P.622,000$8.49M2.63%+622,000New
Cannell Capital LLC646,404$8.82M1.76%+139,551+27.5%Added
Meros Investment Management, LP717,666$9.80M4.86%+94,411+15.1%Added
G2 Investment Partners Management LLC756,036$10.3M2.53%+756,036New
Parallax Volatility Advisers, L.P.789,837$10.8M0.37%−386,349−32.8%Reduced
Silvercrest Asset Management Group LLC823,042$11.2M0.08%+120,653+17.2%Added
Penn Capital Management Co Inc918,093$12.5M1.22%+100,145+12.2%Added