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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 24 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.

Q2 2021 vs. Q1 2021

How the institutions holding Magnite, Inc. changed between Q1 2021 and Q2 2021.

All holders in Q2 2021All holders in Q1 2021

13F holders of MGNI: Q1 2021 compared with Q2 2021
MeasureQ1 2021Of which not filed for Q2 2021Q2 2021Change
Holders2801268−11
Shares86.3M7.67K85.4M−961.7K (−1.1%)
Value$3.59B$319.0K$2.89B−$701.7M (−19.5%)

1 institution that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (52)

Institutions that held Magnite, Inc. at the end of Q2 2021 but not at the end of Q1 2021.

Institutions new to MGNI in Q2 2021
InstitutionSharesValue% of portfolio
Hood River Capital Management LLC839,947$28.4M0.85%
Truxt Investmentos Ltda.665,400$22.5M1.50%
Kettle Hill Capital Management, LLC332,880$11.3M2.00%
M&G Investment Management Ltd321,568$10.9M0.06%
Kent Lake Capital LLC300,000$10.2M3.89%
EMJ Capital Ltd.255,000$8.63M14.14%
SG Capital Management LLC227,056$7.68M2.14%
Holocene Advisors, LP178,997$6.06M0.04%
Glen Point Capital LLP145,000$4.91M7.35%
HSBC Holdings PLC136,937$4.82M0.01%
First Trust Advisors LP117,734$3.98M0.00%
State of Wisconsin Investment Board110,000$3.72M0.01%
Nordea Investment Management AB109,655$3.71M0.00%
Roumell Asset Management, LLC100,000$3.38M3.95%
Healthcare of Ontario Pension Plan Trust Fund91,104$3.08M0.01%
Capital Fund Management S.A.71,962$2.44M0.07%
Mutual of America Capital Management LLC56,661$1.92M0.02%
NN Investment Partners Holdings N.V.51,300$1.74M0.01%
PEAK6 Investments LLC43,153$1.46M0.04%
Blue Rock Advisors, LLC35,643$1.21M2.01%
Dynamic Technology Lab Private Ltd35,473$1.20M0.12%
G2 Investment Partners Management LLC26,000$880.0K0.15%
Handelsbanken Fonder AB22,000$744.0K0.00%
PDT Partners, LLC21,839$739.0K0.05%
Quantbot Technologies LP17,536$593.0K0.05%
ExodusPoint Capital Management, LP17,066$578.0K0.01%
Campbell & CO Investment Adviser LLC16,650$563.0K0.24%
Verition Fund Management LLC13,955$472.0K0.01%
Wellington Management Group LLP12,365$418.0K0.00%
Resolute Partners Group11,500$386.0K0.06%
Bridgefront Capital, LLC11,040$374.0K0.14%
Lazard Asset Management LLC10,000$338.0K0.00%
Centiva Capital, LP9,916$336.0K0.03%
Diametric Capital, LP9,811$332.0K0.24%
Southland Equity Partners LLC9,763$330.4K0.16%
XTX Topco Ltd8,005$271.0K0.09%
Intrinsic Edge Capital Management LLC7,780$263.0K0.02%
Whittier Trust Co of Nevada Inc6,842$232.0K0.01%
Cipher Capital LP6,454$218.0K0.12%
Shay Capital LLC5,000$169.0K0.04%
Caption Management, LLC4,800$162.0K0.01%
Newbridge Financial Services Group, Inc.4,000$135.0K0.08%
Picton Mahoney Asset Management3,400$115.0K0.00%
State of Wyoming3,274$111.0K0.07%
Parisi Gray Wealth Management2,852$97.0K0.04%
Exane Derivatives1,843$57.2K0.01%
Crewe Advisors LLC500$17.0K0.00%
Neo Ivy Capital Management373$13.0K0.01%
Jefferies Group LLC300$10.2K0.00%
SRS Capital Advisors, Inc.138$5.00K0.00%
Strategic Blueprint, LLC100$3.00K0.00%
Evoke Wealth, LLC53$2.00K0.00%

Sold out (63)

Institutions that held Magnite, Inc. at the end of Q1 2021 and filed for Q2 2021 without it.

Institutions that sold out of MGNI in Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
Frontier Capital Management Co LLC3,373,124$140.4M
Driehaus Capital Management LLC1,413,588$58.8M
Lord, Abbett & Co. LLC1,139,785$47.4M
Ashford Capital Management Inc475,043$19.8M
Alta Park Capital, LP428,891$17.8M
Castleark Management LLC245,191$10.2M
Cannell Capital LLC164,011$6.82M
Janney Montgomery Scott LLC111,217$4.63M
D. E. Shaw & Co., Inc.99,883$4.16M
EAM Investors, LLC75,662$3.15M
EAM Global Investors LLC55,051$2.29M
Neuberger Berman Group LLC52,936$2.20M
Simplex Trading, LLC49,469$2.06M
Marshall Wace, LLP47,515$1.98M
Schroder Investment Management Group44,981$1.87M
Bank of Montreal45,982$1.82M
Oberweis Asset Management Inc34,967$1.46M
Essex Investment Management Co LLC34,422$1.43M
Nomura Holdings Inc32,000$1.33M
Tudor Investment Corp Et Al31,976$1.33M
Wolverine Asset Management LLC29,620$1.23M
Sculptor Capital LP28,800$1.20M
Hudson Bay Capital Management LP28,800$1.20M
Chartwell Investment Partners, LLC27,459$1.14M
Mackay Shields LLC25,800$1.07M
Zacks Investment Management25,120$1.04M
HAP Trading, LLC20,827$867.0K
Kennedy Capital Management, Inc.20,571$856.0K
Occudo Quantitative Strategies LP20,416$850.0K
Meristem Family Wealth, LLC19,418$808.0K
FWL Investment Management, LLC17,540$730.0K
ETF Managers Group, LLC17,917$729.0K
Mercer Global Advisors Inc16,007$666.0K
Total Clarity Wealth Management, Inc.14,947$622.0K
Rafferty Asset Management, LLC14,790$615.0K
Engineers Gate Manager LP13,836$576.0K
Aristeia Capital LLC13,100$545.0K
HCR Wealth Advisors13,000$541.0K
Pier 88 Investment Partners LLC12,300$512.0K
Virtu Financial LLC12,098$503.0K
Y-Intercept (Hong Kong) Ltd12,220$497.0K
Bank of Nova Scotia11,800$492.0K
Gluskin Sheff & Assoc Inc11,016$458.0K
First Mercantile Trust Co10,136$422.0K
Webster Bank, N. A.8,595$358.0K
Twin Tree Management, LP6,052$252.0K
Sandbox Financial Partners, LLC5,824$235.0K
Capital Investment Advisory Services, LLC5,426$226.0K
Accuvest Global Advisors5,410$225.0K
Oppenheimer & Co Inc5,250$219.0K
Integrated Investment Consultants, LLC5,000$208.0K
Pittenger & Anderson Inc4,500$187.0K
Point72 Hong Kong Ltd1,268$53.0K
Manchester Financial Inc384$16.0K
Eudaimonia Partners, LLC120$5.00K
Riggs Asset Managment Co. Inc.100$4.00K
Sowell Financial Services LLC116$4.00K
Wealthcare Advisory Partners LLC50$2.00K
Alpha DNA Investment Management LLC72$2.00K
Federated Hermes, Inc.22$1.00K
Plante Moran Financial Advisors, LLC28$1.00K
Selective Wealth Management, Inc.25$1.00K
Harel Insurance Investments & Financial Services Ltd.6,790–

Not filed for Q2 2021 yet (1)

Institutions that held Magnite, Inc. at the end of Q1 2021 and haven't filed a 13F for Q2 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGNI in Q1 2021 that haven't filed for Q2 2021
InstitutionShares, Q1 2021Value, Q1 2021
First National Bank7,675$319.0K