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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, Q2 2021

Institutional positions in Magnite, Inc. as of Jun 30, 2021. 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
268
−11 vs. Q1 2021
Shares held
85.4M
−961.7K (−1.1%) vs. Q1 2021
Total value
$2.89B
−$701.7M (−19.5%) vs. Q1 2021
New holders
52
93 more added
Sold out
63
78 more reduced

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 268 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 2021: $2.89B
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 2021

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2021.

Institutions holding MGNI in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Berkshire Capital Holdings Inc10$00.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec18$6090.00%00.0%Unchanged
HM Payson & Co40$1.00K0.00%00.0%Unchanged
Versant Capital Management, Inc32$1.00K0.00%00.0%Unchanged
Atticus Wealth Management, LLC20$1.00K0.00%00.0%Unchanged
Bellevue Asset Management, LLC50$2.00K0.00%00.0%Unchanged
Evoke Wealth, LLC53$2.00K0.00%+53New
Strategic Blueprint, LLC100$3.00K0.00%+100New
Ranger Investment Management, L.P.117$4.00K0.00%−596,006−100.0%Reduced
Harvest Fund Management Co., Ltd134$4.00K0.00%00.0%Unchanged
First Horizon Corp167$5.00K0.00%00.0%Unchanged
TCI Wealth Advisors, Inc.146$5.00K0.00%+27+22.7%Added
SRS Capital Advisors, Inc.138$5.00K0.00%+138New
Harbour Investments, Inc.170$6.00K0.00%+2+1.2%Added
Global Wealth Management Investment Advisory, Inc.175$6.00K0.00%+50+40.0%Added
Clearstead Advisors, LLC210$7.00K0.00%00.0%Unchanged
Nelson, Van Denburg & Campbell Wealth Management Group, LLC232$7.00K0.00%00.0%Unchanged
MCF Advisors LLC200$7.00K0.00%00.0%Unchanged
CWM, LLC203$7.00K0.00%00.0%Unchanged
Parallax Volatility Advisers, L.P.224$8.00K0.00%−73,111−99.7%Reduced
Joseph P. Lucia & Associates, LLC230$8.00K0.00%00.0%Unchanged
Avion Wealth250$8.00K0.00%00.0%Unchanged
Winch Advisory Services, LLC261$9.00K0.00%−145−35.7%Reduced
Jefferies Group LLC300$10.2K0.00%+300New
Panagora Asset Management Inc336$11.0K0.00%−126−27.3%Reduced
First National Bank of South Miami317$11.0K0.01%00.0%Unchanged
First Horizon Advisors, Inc.350$12.0K0.00%00.0%Unchanged
Neo Ivy Capital Management373$13.0K0.01%+373New
Sandy Spring Bank454$15.0K0.00%00.0%Unchanged
NVWM, LLC450$15.0K0.01%+225+100.0%Added
Covington Capital Management500$17.0K0.00%00.0%Unchanged
Lindbrook Capital, LLC500$17.0K0.00%00.0%Unchanged
Orion Capital Management LLC500$17.0K0.01%00.0%Unchanged
Crewe Advisors LLC500$17.0K0.00%+500New
Halpern Financial, Inc.512$17.3K0.01%00.0%Unchanged
Bedel Financial Consulting, Inc.539$18.0K0.01%−85−13.6%Reduced
TFC Financial Management601$20.0K0.01%+75+14.3%Added
Kistler-Tiffany Companies, LLC614$21.0K0.00%+10+1.7%Added
Signaturefd, LLC732$25.0K0.00%+662+945.7%Added
Hudock, Inc.840$28.0K0.01%00.0%Unchanged
Creative Financial Designs Inc850$29.0K0.01%00.0%Unchanged
AdvisorNet Financial, Inc1,000$34.0K0.00%00.0%Unchanged
Parkside Financial Bank & Trust1,000$34.0K0.01%00.0%Unchanged
Sterling Investment Advisors, Ltd.1,200$41.0K0.01%+600+100.0%Added
US Bancorp1,364$46.0K0.00%+139+11.3%Added
American Portfolios Advisors1,368$46.3K0.00%+580+73.6%Added
Huntington National Bank1,500$51.0K0.00%−125−7.7%Reduced
Exane Derivatives1,843$57.2K0.01%+1,843New
Guinness Atkinson Asset Management Inc2,230$75.0K0.03%00.0%Unchanged
Captrust Financial Advisors2,452$83.0K0.00%−49−2.0%Reduced
Rockefeller Capital Management L.P.2,560$85.0K0.00%+160+6.7%Added
Geneos Wealth Management Inc.2,600$87.0K0.00%−30−1.1%Reduced
IFP Advisors, Inc2,680$90.0K0.00%+1,946+265.1%Added
Baldwin Brothers Inc2,705$92.0K0.01%00.0%Unchanged
Parisi Gray Wealth Management2,852$97.0K0.04%+2,852New
Tower Research Capital LLC (TRC)2,904$99.0K0.00%−22,061−88.4%Reduced
Eaton Vance Management3,000$102.0K0.00%−893−22.9%Reduced
Northwestern Mutual Wealth Management Co3,013$102.0K0.00%00.0%Unchanged
State of Wyoming3,274$111.0K0.07%+3,274New
Whittier Trust Co3,320$112.0K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.3,348$113.0K0.00%−12,226−78.5%Reduced
Meeder Asset Management Inc3,331$113.0K0.01%−747−18.3%Reduced
Picton Mahoney Asset Management3,400$115.0K0.00%+3,400New
Newbridge Financial Services Group, Inc.4,000$135.0K0.08%+4,000New
O'Shaughnessy Asset Management, LLC4,083$138.0K0.00%−13−0.3%Reduced
Shell Asset Management Co4,536$153.0K0.00%−2,674−37.1%Reduced
Caption Management, LLC4,800$162.0K0.01%+4,800New
Shay Capital LLC5,000$169.0K0.04%+5,000New
Macquarie Group Ltd5,363$181.0K0.00%+1,207+29.0%Added
SG Americas Securities, LLC5,778$196.0K0.00%−19,016−76.7%Reduced
Great West Life Assurance Co6,005$203.0K0.00%−739−11.0%Reduced
Nisa Investment Advisors, LLC6,100$206.0K0.00%00.0%Unchanged
Kestra Advisory Services, LLC6,294$213.0K0.00%+1,149+22.3%Added
Sigma Planning Corp6,345$215.0K0.01%−10,934−63.3%Reduced
Sugarloaf Wealth Management, LLC6,382$216.0K0.06%+225+3.7%Added
Cipher Capital LP6,454$218.0K0.12%+6,454New
W.G. Shaheen & Associates DBA Whitney & Co6,480$219.0K0.04%−150−2.3%Reduced
Whittier Trust Co of Nevada Inc6,842$232.0K0.01%+6,842New
Intrinsic Edge Capital Management LLC7,780$263.0K0.02%+7,780New
XTX Topco Ltd8,005$271.0K0.09%+8,005New
Ameritas Investment Partners, Inc.8,236$279.0K0.01%−874−9.6%Reduced
Pinnacle Associates Ltd8,250$279.0K0.01%00.0%Unchanged
Pictet Asset Management Ltd8,300$281.0K0.00%00.0%Unchanged
V Wealth Advisors LLC8,500$288.0K0.05%00.0%Unchanged
NEXT Financial Group, Inc8,572$290.0K0.02%−3,241−27.4%Reduced
Prudential Financial Inc8,687$294.0K0.00%−340−3.8%Reduced
Salem Investment Counselors Inc9,430$319.0K0.02%−230−2.4%Reduced
Seven Eight Capital, LP9,473$321.0K0.04%−67,492−87.7%Reduced
Southland Equity Partners LLC9,763$330.4K0.16%+9,763New
Diametric Capital, LP9,811$332.0K0.24%+9,811New
Centiva Capital, LP9,916$336.0K0.03%+9,916New
Man Group plc9,977$338.0K0.00%+653+7.0%Added
Tocqueville Asset Management L.P.10,000$338.0K0.00%+5,000+100.0%Added
Lazard Asset Management LLC10,000$338.0K0.00%+10,000New
Wedbush Securities Inc10,113$342.0K0.02%+905+9.8%Added
Bollard Group LLC10,216$346.0K0.01%00.0%Unchanged
Golden Green, Inc.10,355$350.0K0.27%+1,360+15.1%Added
Gabelli Funds LLC10,820$366.0K0.00%00.0%Unchanged
Bridgefront Capital, LLC11,040$374.0K0.14%+11,040New
Zurcher Kantonalbank (Zurich Cantonalbank)11,080$375.0K0.00%00.0%Unchanged