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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.

Q3 2022 vs. Q2 2022

How the institutions holding Magnite, Inc. changed between Q2 2022 and Q3 2022.

All holders in Q3 2022All holders in Q2 2022

13F holders of MGNI: Q2 2022 compared with Q3 2022
MeasureQ2 2022Of which not filed for Q3 2022Q3 2022Change
Holders2311218−12
Shares88.0M22.7K103.3M+15.3M (+17.4%)
Value$781.6M$201.0K$679.0M−$102.3M (−13.1%)

1 institution that held it in Q2 2022 haven't filed for Q3 2022 yet. Not filing isn't selling, so the changes leave them out.

New holders (23)

Institutions that held Magnite, Inc. at the end of Q3 2022 but not at the end of Q2 2022.

Institutions new to MGNI in Q3 2022
InstitutionSharesValue% of portfolio
Wellington Management Group LLP1,412,303$9.28M0.00%
Builders Union LLP1,169,700$7.68M6.75%
Jump Financial, LLC130,359$856.0K0.03%
Chartwell Investment Partners, LLC113,422$745.0K0.03%
Versor Investments LP97,900$643.0K0.04%
Aj Wealth Strategies, LLC65,000$427.0K0.02%
Dark Forest Capital Management LP41,903$275.0K0.05%
XTX Topco Ltd34,413$226.0K0.06%
Ergoteles LLC26,268$173.0K0.01%
National Asset Management, Inc.22,071$146.0K0.00%
Twinbeech Capital LP21,178$139.0K0.00%
Brinker Capital Investments, LLC19,821$130.0K0.00%
Gsa Capital Partners LLP19,412$128.0K0.02%
Schonfeld Strategic Advisors LLC14,700$97.0K0.00%
Wolverine Trading, LLC13,593$90.0K0.00%
Principal Financial Group Inc13,526$89.0K0.00%
Congress Park Capital LLC13,200$87.0K0.06%
Mercer Global Advisors Inc11,004$72.0K0.00%
Cerity Partners LLC10,181$66.0K0.00%
Sandy Spring Bank324$2.00K0.00%
Wipfli Financial Advisors LLC,232$2.00K0.00%
Abound Wealth Management176$1.16K0.00%
Johnson Financial Group, Inc.27$00.00%

Sold out (35)

Institutions that held Magnite, Inc. at the end of Q2 2022 and filed for Q3 2022 without it.

Not filed for Q3 2022 yet (1)

Institutions that held Magnite, Inc. at the end of Q2 2022 and haven't filed a 13F for Q3 2022. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGNI in Q2 2022 that haven't filed for Q3 2022
InstitutionShares, Q2 2022Value, Q2 2022
B. Riley Wealth Management, Inc.22,671$201.0K