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Magnite (MGNI) Institutional Ownership

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$25.95 -0.57 (-2.15%)
Closing price 08/29/2025 04:00 PM Eastern
Extended Trading
$25.65 -0.30 (-1.16%)
As of 08/29/2025 07:38 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.
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Institutional Ownership Changes (13F Filings) for Magnite (NASDAQ:MGNI)

Current
Institutional Ownership
Percentage
73.40%
Number of
Institutional Buyers
(last 12 months)
192
Total
Institutional Inflows
(last 12 months)
$683.16M
Number of
Institutional Sellers
(last 12 months)
118
Total
Institutional Outflows
(last 12 months)
$315.83M
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Skip Chart & View Institutional Buying and Selling Data

MGNI Institutional Buying and Selling by Quarter

Magnite Major Shareholders & Ownership History

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Reporting DateMajor Shareholder NameShares HeldMarket Value% of PortfolioQuarterly Change in SharesOwnership in CompanyDetails
8/27/2025 Orion Porfolio Solutions LLC8,602$207K0.0%-19.4%0.006%
8/19/2025 Marex Group plc9,402$227K0.0%N/A0.007%
8/19/2025 Advisory Services Network LLC65,407$1.51M0.0%-21.9%0.046%
8/19/2025 Pitcairn Co.26,315$635K0.0%-29.1%0.018%
8/18/2025 Castleark Management LLC143,150$3.45M0.1%N/A0.101%
8/15/2025 CANADA LIFE ASSURANCE Co43,505$1.05M0.0%+12.7%0.031%
8/15/2025 Tower Research Capital LLC TRC 15,065$363K0.0%+382.5%0.011%
8/15/2025 Cannell Capital LLC126,578$3.05M0.9%N/A0.089%
8/15/2025 Captrust Financial Advisors16,585$400K0.0%+12.5%0.012%
8/15/2025 Vident Advisory LLC17,846$430K0.0%-15.0%0.013%
8/15/2025 Voya Financial Advisors Inc.10,686$258K0.0%N/A0.008%
8/15/2025 Two Sigma Securities LLC12,070$291K0.0%-51.0%0.008%
8/15/2025 Tidal Investments LLC93,168$2.25M0.0%-27.9%0.065%
8/15/2025 Smartleaf Asset Management LLC3,387$82K0.0%+20.5%0.002%
8/15/2025 Orion Porfolio Solutions LLC8,602$207K0.0%-19.4%0.006%
8/15/2025 Manatuck Hill Partners LLC308,491$7.44M2.8%+174.2%0.217%
8/15/2025 Massar Capital Management LP11,000$265K0.2%-65.8%0.008%
8/15/2025 Lazard Asset Management LLC12,729$306K0.0%-10.2%0.009%
8/15/2025 Hilton Capital Management LLC133,566$3.22M0.3%-18.0%0.094%
8/15/2025 Grizzlyrock Capital LLC974,323$23.50M16.0%+8.4%0.684%
8/15/2025 Edenbrook Capital LLC3,609,972$87.07M18.7%-19.2%2.535%
8/15/2025 Benjamin Edwards Inc.8,975$216K0.0%N/A0.006%
8/15/2025 BNP Paribas Financial Markets18,554$448K0.0%+30.2%0.013%
8/15/2025 Boothbay Fund Management LLC44,349$1.07M0.0%N/A0.031%
8/15/2025 Blue Grotto Capital LLC284,804$6.87M0.8%N/A0.200%
8/15/2025 Ameriprise Financial Inc.106,264$2.56M0.0%-83.5%0.075%
8/15/2025 AYAL Capital Advisors Ltd165,937$4.00M1.0%N/A0.117%
8/14/2025 PDT Partners LLC63,448$1.53M0.1%N/A0.045%
8/14/2025 Clough Capital Partners L P185,277$4.47M0.4%N/A0.130%
8/14/2025 California State Teachers Retirement System132,575$3.20M0.0%+1.9%0.093%
8/14/2025 Raymond James Financial Inc.393,601$9.49M0.0%+8.8%0.276%
8/14/2025 Bayesian Capital Management LP33,800$815K0.1%N/A0.024%
8/14/2025 Quantinno Capital Management LP19,511$471K0.0%N/A0.014%
8/14/2025 AllSquare Wealth Management LLC5,282$127K0.1%+47.5%0.004%
8/14/2025 MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.76,760$1.85M0.0%+2.6%0.054%
8/14/2025 The Manufacturers Life Insurance Company 67,661$1.63M0.0%-7.6%0.048%
8/14/2025 Sei Investments Co.82,116$1.98M0.0%+77.9%0.058%
8/14/2025 Frontier Capital Management Co. LLC1,793,830$43.27M0.4%+419.4%1.260%
8/14/2025 Ardsley Advisory Partners LP370,000$8.92M1.2%-8.9%0.260%
8/14/2025 State Street Corp3,053,607$73.65M0.0%+5.2%2.144%
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8/14/2025 Cerity Partners LLC101,741$2.45M0.0%+1.6%0.071%
8/13/2025 Gamco Investors INC. ET AL59,583$1.44M0.0%-24.4%0.042%
8/13/2025 Diametric Capital LP33,159$800K0.4%+194.8%0.023%
8/13/2025 Amundi13,655$337K0.0%+11.1%0.010%
8/13/2025 First Trust Advisors LP69,499$1.68M0.0%-78.5%0.049%
8/13/2025 Kennedy Capital Management LLC869,147$20.96M0.5%-5.9%0.610%
8/13/2025 Invesco Ltd.230,293$5.56M0.0%+10.2%0.162%
8/13/2025 M&T Bank Corp16,595$401K0.0%-12.5%0.012%
8/13/2025 Dilation Capital Management LP334,725$8.07M4.3%N/A0.235%
8/13/2025 New York State Common Retirement Fund493,225$11.90M0.0%-24.8%0.346%
8/13/2025 Norges Bank108,716$2.62M0.0%N/A0.076%
8/13/2025 Advantage Alpha Capital Partners LP342,575$8.26M2.2%-19.8%0.241%
8/13/2025 Elevation Point Wealth Partners LLC18,001$434K0.0%-19.8%0.013%
8/13/2025 Northwest & Ethical Investments L.P.8,700$210K0.0%N/A0.006%
8/12/2025 Ameritas Investment Partners Inc.14,299$345K0.0%+8.6%0.010%
8/12/2025 Prudential Financial Inc.17,959$433K0.0%N/A0.013%
8/12/2025 American Century Companies Inc.4,829,197$116.48M0.1%+63.1%3.391%
8/12/2025 Rhumbline Advisers223,426$5.39M0.0%+16.1%0.157%
8/12/2025 CenterBook Partners LP92,266$2.23M0.1%-70.9%0.065%
8/12/2025 Franklin Resources Inc.108,451$2.62M0.0%-14.9%0.076%
8/12/2025 Legal & General Group Plc155,225$3.74M0.0%+8.6%0.109%
8/12/2025 JPMorgan Chase & Co.938,088$22.63M0.0%-5.1%0.659%
8/12/2025 Ensign Peak Advisors Inc58,508$1.41M0.0%-1.7%0.041%
8/12/2025 P.A.W. Capital Corp130,000$3.14M6.0%-13.3%0.091%
8/11/2025 ARS Investment Partners LLC22,500$543K0.0%N/A0.016%
8/11/2025 Nomura Asset Management Co. Ltd.1,740,741$41.99M0.1%-15.3%1.222%
8/11/2025 Universal Beteiligungs und Servicegesellschaft mbH614,317$14.82M0.0%+2.3%0.431%
8/8/2025 MTM Investment Management LLC2,396$58K0.0%N/A0.002%
8/8/2025 Intech Investment Management LLC73,371$1.77M0.0%-33.3%0.052%
8/8/2025 Cetera Investment Advisers39,163$945K0.0%+15.8%0.028%
8/8/2025 Creative Planning11,131$268K0.0%-37.2%0.008%
8/8/2025 SG Americas Securities LLC41,378$998K0.0%+72.4%0.029%
8/8/2025 Calamos Advisors LLC52,710$1.27M0.0%-19.2%0.037%
8/8/2025 Police & Firemen s Retirement System of New Jersey31,618$763K0.0%+18.3%0.022%
8/8/2025 Geode Capital Management LLC3,216,842$77.60M0.0%+6.0%2.280%
8/8/2025 KBC Group NV4,480$108K0.0%-24.6%0.003%
8/7/2025 Boston Partners5,574,604$133.04M0.1%+5.7%3.915%
8/7/2025 S Squared Technology LLC306,621$7.40M3.1%-12.8%0.217%
8/7/2025 ProShare Advisors LLC28,718$693K0.0%+5.4%0.020%
8/7/2025 Lisanti Capital Growth LLC368,015$8.88M2.5%+155.8%0.261%
8/7/2025 King Luther Capital Management Corp560,786$13.53M0.1%-3.8%0.397%
8/7/2025 FDx Advisors Inc.12,375$298K0.1%+22.4%0.009%
8/7/2025 Connor Clark & Lunn Investment Management Ltd.225,281$5.43M0.0%-16.3%0.160%
8/6/2025 First Eagle Investment Management LLC618,119$14.91M0.0%+24.7%0.438%
8/6/2025 EFG Asset Management North America Corp.201,002$4.85M0.7%-15.0%0.142%
8/5/2025 Bank of New York Mellon Corp1,798,240$43.37M0.0%+0.1%1.274%
8/5/2025 Bank of Montreal Can242,346$5.85M0.0%+0.6%0.172%
8/5/2025 Zweig DiMenna Associates LLC111,500$2.69M0.3%N/A0.079%
8/5/2025 ANTIPODES PARTNERS Ltd9,162$221K0.0%-59.0%0.006%
8/4/2025 Pinnacle Associates Ltd.67,020$1.62M0.0%+11.2%0.047%
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8/4/2025 Strs Ohio42,200$1.02M0.0%-11.5%0.030%
8/1/2025 GWN Securities Inc.8,496$205K0.0%N/A0.006%
8/1/2025 Teacher Retirement System of Texas21,603$521K0.0%+5.7%0.015%
8/1/2025 Envestnet Asset Management Inc.241,938$5.84M0.0%+9.7%0.171%
7/31/2025 Nisa Investment Advisors LLC2,780$67K0.0%+66.0%0.002%
7/31/2025 Prudent Man Advisors LLC11,360$274K0.1%N/A0.008%
7/31/2025 AlphaQuest LLC12,447$300K0.0%-34.8%0.009%
7/31/2025 Cardinal Point Capital Management ULC49,100$1.18M0.1%-8.7%0.035%
7/30/2025 Stephens Investment Management Group LLC1,350,096$32.56M0.4%+42.0%0.957%
7/30/2025 FNY Investment Advisers LLC7,862$189K0.1%N/A0.006%
(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, 281 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 246 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 42,917,037 shares in the last 24 months. This purchase volume represents approximately $683.16M in transactions.

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

Of the 118 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 20,316,255 shares in the last 24 months. This volume of shares sold represents approximately $315.83M in transactions.


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This page (NASDAQ:MGNI) was last updated on 8/31/2025 by MarketBeat.com Staff
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