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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, Q1 2022

Institutional positions in Magnite, Inc. as of Mar 31, 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
231
−13 vs. Q4 2021
Shares held
88.7M
−780.6K (−0.9%) vs. Q4 2021
Total value
$1.17B
−$394.0M (−25.2%) vs. Q4 2021
New holders
34
95 more added
Sold out
47
56 more reduced

4 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2022: 231 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 heldQ1 2022: $1.17B
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, Q1 2022

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2021.

Institutions holding MGNI in Q1 2022
InstitutionSharesValue% of portfolioChange in sharesAction
BW Gestao de Investimentos Ltda.553,284$7.31M1.55%+553,284New
Susquehanna International Group, LLP583,482$7.71M0.01%−117,181−16.7%Reduced
King Luther Capital Management Corp587,805$7.76M0.04%+133,814+29.5%Added
Silvercrest Asset Management Group LLC597,070$7.89M0.05%+244,896+69.5%Added
Deutsche Bank AG610,095$8.06M0.00%+370,874+155.0%Added
Kopion Asset Management, LLC620,244$8.19M6.94%+170,003+37.8%Added
UBS Asset Management Americas Inc712,901$9.42M0.00%−14,480−2.0%Reduced
Pier Capital, LLC719,193$9.50M1.21%+328,010+83.9%Added
Kennedy Capital Management, Inc.733,745$9.69M0.23%+319,162+77.0%Added
Royce & Associates LP844,080$11.2M0.09%+510,630+153.1%Added
Marshall Wace, LLP854,004$11.3M0.02%+363,797+74.2%Added
Charles Schwab Investment Management Inc866,706$11.4M0.00%+24,728+2.9%Added
Morgan Stanley917,685$12.1M0.00%+318,426+53.1%Added
Williams Jones Wealth Management, LLC.964,708$12.7M0.18%−138,712−12.6%Reduced
Citadel Advisors LLC1,031,379$13.6M0.02%+39,217+4.0%Added
Parallax Volatility Advisers, L.P.1,114,597$14.7M0.35%+574,423+106.3%Added
Norges Bank1,190,742$15.7M0.00%00.0%Unchanged
Northern Trust Corp1,239,896$16.4M0.00%−48,563−3.8%Reduced
Bank of New York Mellon Corp1,510,551$20.0M0.00%+1,017,127+206.1%Added
Goldman Sachs Group Inc1,520,642$20.1M0.01%−733,614−32.5%Reduced
Renaissance Technologies LLC1,964,654$26.0M0.03%+1,141,790+138.8%Added
Geode Capital Management, LLC2,226,680$29.4M0.00%+106,447+5.0%Added
Nuveen Asset Management, LLC2,298,919$30.3M0.01%+429,868+23.0%Added
Nine Ten Capital Management LLC2,366,412$31.3M4.07%00.0%Unchanged
State Street Corp2,691,498$35.6M0.00%+72,612+2.8%Added
Edenbrook Capital, LLC3,106,901$41.0M12.63%+342,485+12.4%Added
BlackRock Inc.8,311,834$109.8M0.00%+2,1290.0%Added
Granahan Investment Management Inc9,128,749$120.6M2.99%+646,392+7.6%Added
FMR LLC9,977,453$131.8M0.01%+247,451+2.5%Added
Vanguard Group Inc11,882,938$157.0M0.00%+60,557+0.5%Added
Advisor Group Holdings, Inc.20,995––−31−0.1%Reduced
Allianz Asset Management GmbH0$00.00%−3,802,864−100.0%Sold out
Collaborative Holdings Management LP0$00.00%−470,000−100.0%Sold out
California Public Employees Retirement System0$00.00%−250,249−100.0%Sold out
Public Sector Pension Investment Board0$00.00%−223,000−100.0%Sold out
Acuitas Investments, LLC0$00.00%−204,745−100.0%Sold out
State of New Jersey Common Pension Fund D0$00.00%−136,739−100.0%Sold out
Quantbot Technologies LP0$00.00%−87,689−100.0%Sold out
B. Riley Asset Management, LLC0$00.00%−52,774−100.0%Sold out
Man Group plc0$00.00%−51,715−100.0%Sold out
Friess Associates LLC0$00.00%−50,596−100.0%Sold out
Ergoteles LLC0$00.00%−45,652−100.0%Sold out
Renaissance Group LLC0$00.00%−45,084−100.0%Sold out
Jump Financial, LLC0$00.00%−41,490−100.0%Sold out
Verition Fund Management LLC0$00.00%−36,364−100.0%Sold out
Stifel Financial Corp0$00.00%−31,862−100.0%Sold out
Concorde Asset Management, LLC0$00.00%−31,883−100.0%Sold out
Virtu Financial LLC0$00.00%−28,128−100.0%Sold out
SG Americas Securities, LLC0$00.00%−26,773−100.0%Sold out
Caption Management, LLC0$00.00%−26,500−100.0%Sold out
Alpha Paradigm Partners, LLC0$00.00%−25,059−100.0%Sold out
Exchange Traded Concepts, LLC0$00.00%−21,401−100.0%Sold out
Natixis0$00.00%−19,000−100.0%Sold out
Cresset Asset Management, LLC0$00.00%−18,406−100.0%Sold out
Shay Capital LLC0$00.00%−17,801−100.0%Sold out
Graham Capital Management, L.P.0$00.00%−16,213−100.0%Sold out
Pearl River Capital, LLC0$00.00%−15,759−100.0%Sold out
Diametric Capital, LP0$00.00%−14,802−100.0%Sold out
Campbell & CO Investment Adviser LLC0$00.00%−13,700−100.0%Sold out
Lazard Asset Management LLC0$00.00%−9,280−100.0%Sold out
SG3 Management, LLC0$00.00%−8,500−100.0%Sold out
High Net Worth Advisory Group LLC0$00.00%−1,750−100.0%Sold out
Eaton Vance Management0$00.00%−1,500−100.0%Sold out
Next Capital Management LLC0$00.00%−1,321−100.0%Sold out
SJS Investment Consulting Inc.0$00.00%−600−100.0%Sold out
Pinebridge Investments, L.P.0$00.00%−500−100.0%Sold out
Resolute Partners Group0$00.00%−500−100.0%Sold out
Sofos Investments, Inc.0$00.00%−18−100.0%Sold out
Agf Investments Inc.0$00.00%−291−100.0%Sold out
Nelson, Van Denburg & Campbell Wealth Management Group, LLC0$00.00%−232−100.0%Sold out
Koshinski Asset Management, Inc.0$00.00%−160−100.0%Sold out
Harel Insurance Investments & Financial Services Ltd.0$00.00%−140−100.0%Sold out
First Horizon Advisors, Inc.0$00.00%−141−100.0%Sold out
Motley Fool Asset Management LLC0$00.00%−62−100.0%Sold out
Amplius Wealth Advisors, LLC0$00.00%−100−100.0%Sold out
McDonald Partners LLC0$00.00%−47−100.0%Sold out
Absolute Capital Management, LLC0$00.00%−47−100.0%Sold out
Atticus Wealth Management, LLC0$00.00%−20−100.0%Sold out
Sphinx Trading, LP––––Not filed
NEXT Financial Group, Inc––––Not filed
Harbour Investments, Inc.––––Not filed
Bell Investment Advisors, Inc––––Not filed