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Magnite (MGNI) Institutional Ownership

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$17.50 0.00 (0.00%)
Closing price 10/13/2025 04:00 PM Eastern
Extended Trading
$17.34 -0.16 (-0.91%)
As of 10/13/2025 07:47 PM Eastern
Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more.

Institutional Ownership Changes (13F Filings) for Magnite (NASDAQ:MGNI)

Current
Institutional Ownership
Percentage
73.40%
Number of
Institutional Buyers
(last 12 months)
193
Total
Institutional Inflows
(last 12 months)
$684.08M
Number of
Institutional Sellers
(last 12 months)
120
Total
Institutional Outflows
(last 12 months)
$317.86M
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MGNI Institutional Buying and Selling by Quarter

Magnite Major Shareholders & Ownership History

Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
10/10/2025 USA Financial Formulas1,835$40K0.0%N/A0.001%
10/10/2025 Wedge Capital Management L L P NC130,779$2.85M0.0%+21.5%0.092%
10/9/2025 Voya Investment Management LLC188,092$4.10M0.0%-18.1%0.132%
10/7/2025 1620 Investment Advisors Inc.8,803$192K0.1%-21.6%0.006%
10/6/2025 Moody National Bank Trust Division197,792$4.31M0.4%+22.6%0.139%
9/4/2025Osaic Holdings Inc.51,271$1.24M0.0%-49.7%0.036%
8/27/2025Orion Porfolio Solutions LLC8,602$207K0.0%-19.4%0.006%
8/19/2025Marex Group plc9,402$227K0.0%N/A0.007%
8/19/2025Advisory Services Network LLC65,407$1.51M0.0%-21.9%0.046%
8/19/2025Pitcairn Co.26,315$635K0.0%-29.1%0.018%
8/18/2025Castleark Management LLC143,150$3.45M0.1%N/A0.101%
8/15/2025CANADA LIFE ASSURANCE Co43,505$1.05M0.0%+12.7%0.031%
8/15/2025Tower Research Capital LLC TRC 15,065$363K0.0%+382.5%0.011%
8/15/2025Cannell Capital LLC126,578$3.05M0.9%N/A0.089%
8/15/2025Captrust Financial Advisors16,585$400K0.0%+12.5%0.012%
8/15/2025Vident Advisory LLC17,846$430K0.0%-15.0%0.013%
8/15/2025 Voya Financial Advisors Inc.10,686$258K0.0%N/A0.008%
8/15/2025Two Sigma Securities LLC12,070$291K0.0%-51.0%0.008%
8/15/2025Tidal Investments LLC93,168$2.25M0.0%-27.9%0.065%
8/15/2025Smartleaf Asset Management LLC3,387$82K0.0%+20.5%0.002%
8/15/2025Orion Porfolio Solutions LLC8,602$207K0.0%-19.4%0.006%
8/15/2025Manatuck Hill Partners LLC308,491$7.44M2.8%+174.2%0.217%
8/15/2025Massar Capital Management LP11,000$265K0.2%-65.8%0.008%
8/15/2025Lazard Asset Management LLC12,729$306K0.0%-10.2%0.009%
8/15/2025Hilton Capital Management LLC133,566$3.22M0.3%-18.0%0.094%
8/15/2025Grizzlyrock Capital LLC974,323$23.50M16.0%+8.4%0.684%
8/15/2025Edenbrook Capital LLC3,609,972$87.07M18.7%-19.2%2.535%
8/15/2025Benjamin Edwards Inc.8,975$216K0.0%N/A0.006%
8/15/2025BNP Paribas Financial Markets18,554$448K0.0%+30.2%0.013%
8/15/2025Boothbay Fund Management LLC44,349$1.07M0.0%N/A0.031%
8/15/2025Blue Grotto Capital LLC284,804$6.87M0.8%N/A0.200%
8/15/2025Ameriprise Financial Inc.106,264$2.56M0.0%-83.5%0.075%
8/15/2025AYAL Capital Advisors Ltd165,937$4.00M1.0%N/A0.117%
8/14/2025PDT Partners LLC63,448$1.53M0.1%N/A0.045%
8/14/2025Clough Capital Partners L P185,277$4.47M0.4%N/A0.130%
8/14/2025California State Teachers Retirement System132,575$3.20M0.0%+1.9%0.093%
8/14/2025Raymond James Financial Inc.393,601$9.49M0.0%+8.8%0.276%
8/14/2025Bayesian Capital Management LP33,800$815K0.1%N/A0.024%
8/14/2025Quantinno Capital Management LP19,511$471K0.0%N/A0.014%
8/14/2025AllSquare Wealth Management LLC5,282$127K0.1%+47.5%0.004%
8/14/2025MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.76,760$1.85M0.0%+2.6%0.054%
8/14/2025The Manufacturers Life Insurance Company 67,661$1.63M0.0%-7.6%0.048%
8/14/2025Sei Investments Co.82,116$1.98M0.0%+77.9%0.058%
8/14/2025Frontier Capital Management Co. LLC1,793,830$43.27M0.4%+419.4%1.260%
8/14/2025Ardsley Advisory Partners LP370,000$8.92M1.2%-8.9%0.260%
8/14/2025State Street Corp3,053,607$73.65M0.0%+5.2%2.144%
8/14/2025Cerity Partners LLC101,741$2.45M0.0%+1.6%0.071%
8/13/2025Gamco Investors INC. ET AL59,583$1.44M0.0%-24.4%0.042%
8/13/2025Diametric Capital LP33,159$800K0.4%+194.8%0.023%
8/13/2025Amundi13,655$337K0.0%+11.1%0.010%
8/13/2025First Trust Advisors LP69,499$1.68M0.0%-78.5%0.049%
8/13/2025Kennedy Capital Management LLC869,147$20.96M0.5%-5.9%0.610%
8/13/2025Invesco Ltd.230,293$5.56M0.0%+10.2%0.162%
8/13/2025M&T Bank Corp16,595$401K0.0%-12.5%0.012%
8/13/2025Dilation Capital Management LP334,725$8.07M4.3%N/A0.235%
8/13/2025New York State Common Retirement Fund493,225$11.90M0.0%-24.8%0.346%
8/13/2025Norges Bank108,716$2.62M0.0%N/A0.076%
8/13/2025Advantage Alpha Capital Partners LP342,575$8.26M2.2%-19.8%0.241%
8/13/2025Elevation Point Wealth Partners LLC18,001$434K0.0%-19.8%0.013%
8/13/2025Northwest & Ethical Investments L.P.8,700$210K0.0%N/A0.006%
8/12/2025Ameritas Investment Partners Inc.14,299$345K0.0%+8.6%0.010%
8/12/2025Prudential Financial Inc.17,959$433K0.0%N/A0.013%
8/12/2025American Century Companies Inc.4,829,197$116.48M0.1%+63.1%3.391%
8/12/2025Rhumbline Advisers223,426$5.39M0.0%+16.1%0.157%
8/12/2025CenterBook Partners LP92,266$2.23M0.1%-70.9%0.065%
8/12/2025Franklin Resources Inc.108,451$2.62M0.0%-14.9%0.076%
8/12/2025Legal & General Group Plc155,225$3.74M0.0%+8.6%0.109%
8/12/2025JPMorgan Chase & Co.938,088$22.63M0.0%-5.1%0.659%
8/12/2025Ensign Peak Advisors Inc58,508$1.41M0.0%-1.7%0.041%
8/12/2025P.A.W. Capital Corp130,000$3.14M6.0%-13.3%0.091%
8/11/2025ARS Investment Partners LLC22,500$543K0.0%N/A0.016%
8/11/2025Nomura Asset Management Co. Ltd.1,740,741$41.99M0.1%-15.3%1.222%
8/11/2025Universal Beteiligungs und Servicegesellschaft mbH614,317$14.82M0.0%+2.3%0.431%
8/8/2025MTM Investment Management LLC2,396$58K0.0%N/A0.002%
8/8/2025Intech Investment Management LLC73,371$1.77M0.0%-33.3%0.052%
8/8/2025Cetera Investment Advisers39,163$945K0.0%+15.8%0.028%
8/8/2025Creative Planning11,131$268K0.0%-37.2%0.008%
8/8/2025SG Americas Securities LLC41,378$998K0.0%+72.4%0.029%
8/8/2025Calamos Advisors LLC52,710$1.27M0.0%-19.2%0.037%
8/8/2025Police & Firemen s Retirement System of New Jersey31,618$763K0.0%+18.3%0.022%
8/8/2025Geode Capital Management LLC3,216,842$77.60M0.0%+6.0%2.280%
8/8/2025KBC Group NV4,480$108K0.0%-24.6%0.003%
8/7/2025Boston Partners5,574,604$133.04M0.1%+5.7%3.915%
8/7/2025S Squared Technology LLC306,621$7.40M3.1%-12.8%0.217%
8/7/2025ProShare Advisors LLC28,718$693K0.0%+5.4%0.020%
8/7/2025Lisanti Capital Growth LLC368,015$8.88M2.5%+155.8%0.261%
8/7/2025King Luther Capital Management Corp560,786$13.53M0.1%-3.8%0.397%
8/7/2025FDx Advisors Inc.12,375$298K0.1%+22.4%0.009%
8/7/2025Connor Clark & Lunn Investment Management Ltd.225,281$5.43M0.0%-16.3%0.160%
8/6/2025First Eagle Investment Management LLC618,119$14.91M0.0%+24.7%0.438%
8/6/2025EFG Asset Management North America Corp.201,002$4.85M0.7%-15.0%0.142%
8/5/2025Bank of New York Mellon Corp1,798,240$43.37M0.0%+0.1%1.274%
8/5/2025Bank of Montreal Can242,346$5.85M0.0%+0.6%0.172%
8/5/2025Zweig DiMenna Associates LLC111,500$2.69M0.3%N/A0.079%
8/5/2025ANTIPODES PARTNERS Ltd9,162$221K0.0%-59.0%0.006%
8/4/2025Pinnacle Associates Ltd.67,020$1.62M0.0%+11.2%0.047%
8/4/2025Strs Ohio42,200$1.02M0.0%-11.5%0.030%
8/1/2025GWN Securities Inc.8,496$205K0.0%N/A0.006%
8/1/2025Teacher Retirement System of Texas21,603$521K0.0%+5.7%0.015%
8/1/2025Envestnet Asset Management Inc.241,938$5.84M0.0%+9.7%0.171%
(Data available from 1/1/2016 forward)

MGNI Institutional Ownership - Frequently Asked Questions

Who are the largest shareholders of MGNI shares?

During the previous two years, 282 institutional investors and hedge funds held shares of Magnite. The most heavily invested institutionals were Vanguard Group Inc. ($156.81M), Boston Partners ($133.04M), Capital Research Global Investors ($122.99M), American Century Companies Inc. ($116.48M), Dimensional Fund Advisors LP ($87.96M), Edenbrook Capital LLC ($87.07M), and Geode Capital Management LLC ($77.60M).Learn more on Magnite's institutional investors.

What percentage of Magnite's stock is owned by institutional investors?

73.40% of Magnite's stock is owned by institutional investors. Learn more on MGNI's institutional investor holdings.

Which institutional investors have been buying Magnite's stock?

Of the 245 institutional investors that purchased Magnite's stock in the last 24 months, the following investors and hedge funds have bought the highest volume of shares: Capital Research Global Investors ($7.73M), American Century Companies Inc. ($4.57M), Wellington Management Group LLP ($4.16M), Nuveen LLC ($3.60M), Burgundy Asset Management Ltd. ($2.46M), Boston Partners ($2.15M), and Nomura Asset Management Co. Ltd. ($1.87M).

How much institutional buying is happening at Magnite?

Institutional investors have bought a total of 42,948,673 shares in the last 24 months. This purchase volume represents approximately $684.08M in transactions.

Which of Magnite's major shareholders have been selling company stock?

Of the 120 institutional investors that sold Magnite's stock in the last 24 months, the following investors and hedge funds have sold the highest volume of shares: Marshall Wace LLP ($2.85M), Edenbrook Capital LLC ($2.11M), Granahan Investment Management LLC ($1.35M), Victory Capital Management Inc. ($1.22M), Wellington Management Group LLP ($1.13M), Bank of New York Mellon Corp ($1.07M), and Driehaus Capital Management LLC ($1.01M).

How much institutional selling is happening at Magnite?

Institutional investors have sold a total of 20,400,427 shares in the last 24 months. This volume of shares sold represents approximately $317.86M in transactions.



This page (NASDAQ:MGNI) was last updated on 10/14/2025 by MarketBeat.com Staff
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