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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, Q3 2024

Institutional positions in Magnite, Inc. as of Sep 30, 2024. 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
+15 vs. Q2 2024
Shares held
119.6M
+25.5M (+27.1%) vs. Q2 2024
Total value
$1.65B
+$403.6M (+32.3%) vs. Q2 2024
New holders
45
105 more added
Sold out
30
78 more reduced

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2024: 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 2024: 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 heldQ3 2024: $1.65B
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 2024

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q2 2024.

Institutions holding MGNI in Q3 2024
InstitutionSharesValue% of portfolioChange in sharesAction
Captrust Financial Advisors18,511$256.4K0.00%+38+0.2%Added
Blackhill Capital Inc18,779$260.1K0.01%00.0%Unchanged
Verdence Capital Advisors LLC19,326$267.7K0.02%+892+4.8%Added
Versor Investments LP19,700$272.8K0.04%+7,500+61.5%Added
Ledgewood Wealth Advisors, LLC19,795$274.2K0.18%00.0%Unchanged
D. E. Shaw & Co., Inc.20,270$280.7K0.00%−20,827−50.7%Reduced
Outlook Wealth Advisors, LLC20,563$284.8K0.08%−184−0.9%Reduced
Evanson Asset Management, LLC21,171$293.2K0.02%00.0%Unchanged
Woodmont Investment Counsel LLC21,350$295.7K0.02%−86−0.4%Reduced
Johnson Investment Counsel Inc23,071$319.5K0.00%−4,154−15.3%Reduced
STRS Ohio23,200$321.3K0.00%+11,200+93.3%Added
Penbrook Management LLC23,430$324.5K0.21%+23,430New
Handelsbanken Fonder AB23,500$325.0K0.00%00.0%Unchanged
ProShare Advisors LLC23,776$329.3K0.00%+5,641+31.1%Added
Fox Run Management, L.L.C.24,029$332.8K0.07%+24,029New
Mount Yale Investment Advisors, LLC24,229$335.6K0.03%+1,068+4.6%Added
SEI Investments Co24,705$342.2K0.00%+24,705New
Corton Capital Inc.25,582$354.3K0.17%−6,250−19.6%Reduced
Y-Intercept (Hong Kong) Ltd27,412$379.7K0.02%+27,412New
Fulton Bank, N.A.28,311$392.1K0.01%+1,696+6.4%Added
Raymond James & Associates28,633$396.6K0.00%−9,247−24.4%Reduced
Cornercap Investment Counsel Inc28,830$399.3K0.12%−28,566−49.8%Reduced
Allspring Global Investments Holdings, LLC29,117$403.3K0.00%−2,158−6.9%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)29,449$407.9K0.00%+2,298+8.5%Added
Wolverine Trading, LLC30,604$419.9K0.01%+13,904+83.3%Added
State of Wisconsin Investment Board30,601$423.8K0.00%+20,266+196.1%Added
Cowen and Company, LLC30,800$426.6K0.01%+30,800New
Great West Life Assurance Co32,010$444.0K0.00%00.0%Unchanged
Griffin Asset Management, Inc.32,085$444.4K0.05%−32,530−50.3%Reduced
Cambridge Investment Research Advisors, Inc.32,463$450.0K0.00%+21,386+193.1%Added
Pitcairn Co32,628$451.9K0.03%−4,114−11.2%Reduced
Cetera Investment Advisers32,823$454.6K0.00%+3,183+10.7%Added
Vident Advisory, LLC33,351$461.9K0.01%+3,161+10.5%Added
Truist Financial Corp33,568$464.9K0.00%−34,739−50.9%Reduced
Sterling Capital Management LLC34,358$475.9K0.01%+34,358New
SG Americas Securities, LLC34,724$481.0K0.00%−10,411−23.1%Reduced
Advisor Group Holdings, Inc.34,939$483.9K0.00%+22,635+184.0%Added
Avenir Corp35,000$484.8K0.05%00.0%Unchanged
Arizona State Retirement System36,287$502.6K0.00%+1,031+2.9%Added
Legato Capital Management LLC36,418$504.4K0.06%−16,142−30.7%Reduced
Prudential Financial Inc36,617$507.1K0.00%+25,938+242.9%Added
Caption Management, LLC36,677$508.0K0.05%+36,677New
State Board of Administration of Florida Retirement System38,231$529.5K0.00%00.0%Unchanged
Verition Fund Management LLC38,548$533.9K0.00%−431,887−91.8%Reduced
West Tower Group, LLC39,630$548.9K1.17%+10,986+38.4%Added
Comerica Bank40,180$556.5K0.00%+14,325+55.4%Added
B. Riley Asset Management, LLC43,200$598.3K0.34%+43,200New
Stifel Financial Corp46,502$644.1K0.00%+21,472+85.8%Added
Los Angeles Capital Management LLC46,562$644.9K0.00%00.0%Unchanged
Intech Investment Management LLC46,837$648.7K0.01%+46,837New
CIBC World Markets Inc.48,656$674.0K0.00%00.0%Unchanged
Petrus Trust Company, LTA49,111$680.2K0.07%+49,111New
Union Square Park Capital Management, LLC50,000$692.5K0.94%+50,000New
Atlas Merchant Capital LLC50,000$692.5K0.93%+50,000New
Baader Bank INC50,100$693.5K0.06%−494−1.0%Reduced
HSBC Holdings PLC53,473$755.3K0.00%−5,306−9.0%Reduced
GTS Securities LLC56,816$786.9K0.02%−1,907−3.2%Reduced
Janus Henderson Group PLC58,423$808.9K0.00%00.0%Unchanged
Ensign Peak Advisors, Inc59,508$824.2K0.00%00.0%Unchanged
Chartwell Investment Partners, LLC60,082$833.0K0.03%+488+0.8%Added
ClariVest Asset Management LLC63,839$848.4K0.09%00.0%Unchanged
Manufacturers Life Insurance Company, The65,675$909.6K0.00%+130+0.2%Added
Corebridge Financial, Inc.67,273$931.7K0.00%−415−0.6%Reduced
Mirae Asset Global ETFs Holdings Ltd.68,866$953.8K0.00%+532+0.8%Added
Stephens Inc69,512$962.7K0.01%00.0%Unchanged
Riverwater Partners LLC84,079$1.00M0.50%+84,079New
Gamco Investors, Inc. Et Al73,833$1.02M0.01%+29,376+66.1%Added
MetLife Investment Management73,873$1.02M0.01%−556−0.7%Reduced
IMC-Chicago, LLC74,093$1.03M0.03%−11,943−13.9%Reduced
Greenwood Capital Associates LLC74,760$1.04M0.13%+9,368+14.3%Added
Walleye Capital LLC79,493$1.10M0.01%+16,611+26.4%Added
Price T Rowe Associates Inc85,818$1.19M0.00%+1,192+1.4%Added
LPL Financial LLC86,396$1.20M0.00%+61,261+243.7%Added
Raymond James Financial Services Advisors, Inc.86,432$1.20M0.00%+3,000+3.6%Added
Simplex Trading, LLC88,159$1.22M0.04%+80,635+1,071.7%Added
Moody National Bank Trust Division96,828$1.34M0.14%+21,461+28.5%Added
Deutsche Bank AG97,483$1.35M0.00%−3,094−3.1%Reduced
Two Sigma Investments, LP97,761$1.35M0.00%−41,380−29.7%Reduced
Boothbay Fund Management, LLC100,293$1.39M0.04%+52,658+110.5%Added
EFG Asset Management (North America) Corp.100,875$1.40M0.23%+100,875New
Cerity Partners LLC103,366$1.43M0.00%−757−0.7%Reduced
Group One Trading, L.P.105,485$1.46M0.06%+105,485New
Principal Financial Group Inc107,515$1.49M0.00%+91,031+552.2%Added
Advisory Services Network, LLC117,321$1.56M0.03%00.0%Unchanged
California State Teachers Retirement System119,214$1.65M0.00%−3,619−2.9%Reduced
Wedge Capital Management L L P123,138$1.71M0.03%+28,108+29.6%Added
Legal & General Group Plc128,048$1.77M0.00%+3,278+2.6%Added
Commonwealth Equity Services, LLC128,873$1.78M0.00%+47,300+58.0%Added
Franklin Resources Inc144,563$1.79M0.00%+72,169+99.7%Added
Toroso Investments, LLC130,580$1.81M0.02%+23,688+22.2%Added
Alliancebernstein L.P.136,645$1.89M0.00%−240.0%Reduced
Bank of Montreal138,399$1.90M0.00%+138,399New
Thrivent Financial for Lutherans144,477$2.00M0.00%00.0%Unchanged
Jacobs Levy Equity Management, Inc145,577$2.02M0.01%+134,959+1,271.0%Added
Lisanti Capital Growth, LLC146,450$2.03M0.51%−136,395−48.2%Reduced
Concentric Capital Strategies, LP147,184$2.04M0.13%+147,184New
Perkins Capital Management Inc149,075$2.06M1.94%00.0%Unchanged
Connor, Clark & Lunn Investment Management Ltd.149,107$2.07M0.01%+149,107New
Royal Bank of Canada149,153$2.07M0.00%+85,268+133.5%Added
Millennium Management LLC152,229$2.11M0.00%+118,511+351.5%Added