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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
TFC Financial Management1$140.00%+1New
Toronto Dominion Bank7$970.00%00.0%Unchanged
DHJJ Financial Advisors, Ltd.13$1810.00%00.0%Unchanged
GAMMA Investing LLC26$3600.00%+26New
Creekmur Asset Management LLC38$5260.00%00.0%Unchanged
HM Payson & Co40$5540.00%00.0%Unchanged
Glen Eagle Advisors, LLC49$6790.00%00.0%Unchanged
Duncker Streett & Co Inc52$7200.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC54$7470.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec58$8030.00%+40+222.2%Added
Bruce G. Allen Investments, LLC72$9970.00%+72New
Valley National Advisers Inc98$1.00K0.00%00.0%Unchanged
Lindbrook Capital, LLC76$1.05K0.00%−33−30.3%Reduced
Bay Harbor Wealth Management, LLC91$1.26K0.00%00.0%Unchanged
Farther Finance Advisors, LLC93$1.29K0.00%−500−84.3%Reduced
Rothschild Investment LLC100$1.39K0.00%+50+100.0%Added
Richard W. Paul & Associates, LLC107$1.48K0.00%00.0%Unchanged
CIBC Private Wealth Group, LLC115$1.59K0.00%00.0%Unchanged
Pineridge Advisors LLC120$1.66K0.00%00.0%Unchanged
Bessemer Group Inc125$2.00K0.00%+125New
McIlrath & Eck, LLC160$2.22K0.00%00.0%Unchanged
Bryn Mawr Trust Co164$2.27K0.00%+164New
Principal Securities, Inc.175$2.42K0.00%−33−15.9%Reduced
Abound Wealth Management176$2.44K0.00%00.0%Unchanged
EverSource Wealth Advisors, LLC183$2.53K0.00%+24+15.1%Added
Optiver Holding B.V.203$2.81K0.00%−1,541−88.4%Reduced
Clearstead Advisors, LLC210$2.91K0.00%00.0%Unchanged
Versant Capital Management, Inc221$3.06K0.00%00.0%Unchanged
First Horizon Advisors, Inc.251$3.48K0.00%00.0%Unchanged
Allworth Financial LP269$3.73K0.00%+2+0.7%Added
Parallel Advisors, LLC284$3.93K0.00%−15−5.0%Reduced
Raleigh Capital Management Inc.306$4.24K0.00%00.0%Unchanged
US Bancorp351$4.86K0.00%−102−22.5%Reduced
CWM, LLC332$5.00K0.00%+120+56.6%Added
Colonial Trust Co408$5.60K0.00%+89+27.9%Added
Proequities, Inc.425$5.89K0.00%−40−8.6%Reduced
Halpern Financial, Inc.512$6.09K0.00%00.0%Unchanged
Newbridge Financial Services Group, Inc.450$6.23K0.00%00.0%Unchanged
Harbour Investments, Inc.500$6.92K0.00%00.0%Unchanged
GeoWealth Management, LLC531$7.36K0.00%+531New
IFP Advisors, Inc847$11.7K0.00%−1,246−59.5%Reduced
Archer Investment Corp1,000$13.8K0.00%00.0%Unchanged
SRS Capital Advisors, Inc.1,119$15.5K0.00%+871+351.2%Added
Covestor Ltd1,158$16.0K0.01%+906+359.5%Added
Acadian Asset Management LLC1,259$17.0K0.00%+1,259New
Larson Financial Group LLC1,306$18.1K0.00%+706+117.7%Added
Capital Performance Advisors LLP1,373$19.0K0.01%+1,373New
HighMark Wealth Management LLC1,500$20.8K0.01%−750−33.3%Reduced
Banque Cantonale Vaudoise1,505$21.0K0.00%00.0%Unchanged
Smartleaf Asset Management LLC1,596$21.9K0.00%+521+48.5%Added
Umb Bank N A1,647$22.8K0.00%−604−26.8%Reduced
Signaturefd, LLC1,651$22.9K0.00%00.0%Unchanged
NBC Securities, Inc.1,694$23.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.1,750$24.2K0.00%−135−7.2%Reduced
Fortitude Family Office, LLC1,761$24.4K0.01%+1,195+211.1%Added
Nisa Investment Advisors, LLC1,772$24.5K0.00%+6+0.3%Added
Shell Asset Management Co1,999$28.0K0.00%+1,999New
AllSquare Wealth Management LLC2,025$28.0K0.02%00.0%Unchanged
Huntington National Bank2,316$32.1K0.00%−33−1.4%Reduced
Leonteq Securities AG2,428$33.6K0.00%−557−18.7%Reduced
Guinness Atkinson Asset Management Inc2,560$35.5K0.02%00.0%Unchanged
J.Safra Asset Management Corp2,700$37.0K0.00%+1,095+68.2%Added
Northwestern Mutual Wealth Management Co3,230$44.7K0.00%+230+7.7%Added
KBC Group NV3,569$49.0K0.00%−1,881−34.5%Reduced
Amalgamated Bank4,321$60.0K0.00%−432−9.1%Reduced
Global Retirement Partners, LLC4,580$63.4K0.00%−166−3.5%Reduced
Jones Financial Companies LLLP4,853$66.6K0.00%+1,853+61.8%Added
Smithfield Trust Co5,110$71.0K0.00%−1,880−26.9%Reduced
Quarry LP5,517$76.4K0.02%+4,508+446.8%Added
Tower Research Capital LLC (TRC)6,687$92.6K0.00%−15,639−70.0%Reduced
Parkside Financial Bank & Trust6,918$95.8K0.01%+3,197+85.9%Added
Antipodes Partners Ltd7,116$98.6K0.00%+7,116New
Ronald Blue Trust, Inc.7,931$105.4K0.00%+3,689+87.0%Added
ARS Investment Partners, LLC10,000$138.5K0.01%+10,000New
Prudent Man Advisors, LLC10,186$141.1K0.05%−317−3.0%Reduced
Lebenthal Global Advisors, LLC10,195$141.2K0.03%+10,195New
Gabelli Funds LLC10,820$149.9K0.00%00.0%Unchanged
Walleye Trading LLC10,885$150.8K0.00%−7,203−39.8%Reduced
Cornerstone Wealth Management, LLC10,920$151.2K0.01%00.0%Unchanged
State of Wyoming11,312$156.7K0.02%+3,896+52.5%Added
O'Shaughnessy Asset Management, LLC12,847$159.3K0.00%+2,449+23.6%Added
Vicus Capital11,816$163.7K0.01%+11,816New
Capstone Investment Advisors, LLC12,011$166.4K0.00%−17,770−59.7%Reduced
Ameritas Investment Partners, Inc.12,326$170.7K0.01%00.0%Unchanged
Graham Capital Management, L.P.12,587$174.3K0.01%+12,587New
Seelaus Asset Management LLC12,640$175.1K0.16%+12,640New
Parametrica Management Ltd12,775$176.9K0.21%+12,775New
Winthrop Advisory Group LLC12,900$178.7K0.02%+12,900New
HCR Wealth Advisors13,000$180.1K0.02%00.0%Unchanged
Public Employees Retirement Association of Colorado14,986$208.0K0.00%00.0%Unchanged
Amundi17,095$208.9K0.00%+1,863+12.2%Added
Twin Focus Capital Partners, LLC15,267$211.4K0.03%00.0%Unchanged
Lazard Asset Management LLC15,726$216.0K0.00%+225+1.5%Added
XTX Topco Ltd15,889$220.1K0.02%+15,889New
Pictet Asset Management Holding SA16,024$221.9K0.00%+3,266+25.6%Added
Quest Partners LLC16,808$232.8K0.02%+16,808New
HighTower Advisors, LLC17,322$240.0K0.00%−70,365−80.2%Reduced
Sherbrooke Park Advisers LLC17,816$246.8K0.06%+17,816New
Dorchester Wealth Management Co18,000$249.3K0.05%+4,100+29.5%Added
Iridian Asset Management LLC18,390$254.7K0.05%00.0%Unchanged