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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 2024 vs. Q2 2024

How the institutions holding Magnite, Inc. changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of MGNI: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders2694280+15
Shares104.3M10.2M119.6M+25.5M (+27.1%)
Value$1.39B$135.9M$1.65B+$403.6M (+32.3%)

4 institutions that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (45)

Institutions that held Magnite, Inc. at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to MGNI in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.9,848,238$136.4M0.00%
Nomura Asset Management Co Ltd1,726,861$23.9M0.07%
Intrinsic Edge Capital Management LLC1,342,403$18.6M2.30%
Nishkama Capital, LLC1,004,207$13.9M2.14%
J. Goldman & Co LP673,729$9.33M0.41%
Stephens Investment Management Group LLC403,791$5.59M0.08%
Susquehanna International Group, LLP261,805$3.63M0.01%
Connor, Clark & Lunn Investment Management Ltd.149,107$2.07M0.01%
Concentric Capital Strategies, LP147,184$2.04M0.13%
Bank of Montreal138,399$1.90M0.00%
Group One Trading, L.P.105,485$1.46M0.06%
EFG Asset Management (North America) Corp.100,875$1.40M0.23%
Riverwater Partners LLC84,079$1.00M0.50%
Union Square Park Capital Management, LLC50,000$692.5K0.94%
Atlas Merchant Capital LLC50,000$692.5K0.93%
Petrus Trust Company, LTA49,111$680.2K0.07%
Intech Investment Management LLC46,837$648.7K0.01%
B. Riley Asset Management, LLC43,200$598.3K0.34%
Caption Management, LLC36,677$508.0K0.05%
Sterling Capital Management LLC34,358$475.9K0.01%
Cowen and Company, LLC30,800$426.6K0.01%
Y-Intercept (Hong Kong) Ltd27,412$379.7K0.02%
SEI Investments Co24,705$342.2K0.00%
Fox Run Management, L.L.C.24,029$332.8K0.07%
Penbrook Management LLC23,430$324.5K0.21%
Sherbrooke Park Advisers LLC17,816$246.8K0.06%
Quest Partners LLC16,808$232.8K0.02%
XTX Topco Ltd15,889$220.1K0.02%
Winthrop Advisory Group LLC12,900$178.7K0.02%
Parametrica Management Ltd12,775$176.9K0.21%
Seelaus Asset Management LLC12,640$175.1K0.16%
Graham Capital Management, L.P.12,587$174.3K0.01%
Vicus Capital11,816$163.7K0.01%
Lebenthal Global Advisors, LLC10,195$141.2K0.03%
ARS Investment Partners, LLC10,000$138.5K0.01%
Antipodes Partners Ltd7,116$98.6K0.00%
Shell Asset Management Co1,999$28.0K0.00%
Capital Performance Advisors LLP1,373$19.0K0.01%
Acadian Asset Management LLC1,259$17.0K0.00%
GeoWealth Management, LLC531$7.36K0.00%
Bryn Mawr Trust Co164$2.27K0.00%
Bessemer Group Inc125$2.00K0.00%
Bruce G. Allen Investments, LLC72$9970.00%
GAMMA Investing LLC26$3600.00%
TFC Financial Management1$140.00%

Sold out (30)

Institutions that held Magnite, Inc. at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of MGNI in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
iA Global Asset Management Inc.353,480$4.70M
Divisadero Street Capital Management, LP275,876$3.67M
G2 Investment Partners Management LLC133,533$1.77M
Ardsley Advisory Partners LP132,950$1.77M
Jackson Creek Investment Advisors LLC120,774$1.60M
Twinbeech Capital LP67,223$893.4K
Knights of Columbus Asset Advisors LLC63,165$839.5K
Pinnacle Associates Ltd58,095$772.1K
New Century Financial Group, LLC48,183$640.4K
Empowered Funds, LLC46,321$615.6K
Bayesian Capital Management, LP42,000$558.2K
Occudo Quantitative Strategies LP33,446$444.5K
Prelude Capital Management, LLC32,872$436.9K
Maven Securities LTD26,851$356.9K
Empirical Capital Management, LLC21,000$279.0K
Engineers Gate Manager LP14,086$187.2K
Diametric Capital, LP13,424$178.4K
Worth Venture Partners, LLC11,890$158.0K
Aigen Investment Management, LP10,067$133.8K
EntryPoint Capital, LLC9,959$132.4K
DekaBank Deutsche Girozentrale7,321$93.0K
Baldwin Brothers Inc4,000$53.2K
Asset Dedication, LLC3,950$52.5K
SWS Partners581$7.72K
International Assets Investment Management, LLC200$2.66K
nVerses Capital, LLC200$2.66K
Rise Advisors, LLC150$1.99K
Mather Group, LLC.115$1.24K
Benjamin Edwards Inc54$1.00K
Innealta Capital, LLC4$53

Not filed for Q3 2024 yet (4)

Institutions that held Magnite, Inc. at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGNI in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.9,699,628$128.9M
Roumell Asset Management, LLC387,766$5.15M
Susquehanna Fundamental Investments, LLC136,944$1.82M
Benjamin F. Edwards & Company, Inc.4,380$58.0K