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Disclosery

MGNI MAGNITE INC

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Stock (common), issuer CIK 1595974

279 managers (285 13F filers) reported a position in MGNI shares at 2024-12-31, 123,441,304 shares in all. 39 filers opened a position and 38 filers sold out during the quarter.

Managers
279
13F filers
285
New
39
Added
100
Reduced
94
Sold out
38
Shares held by filers
123,441,304

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q4 2024

Filers in the available 13F reports with a share position at 2024-12-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
VANGUARD GROUP INCin group VANGUARD GROUP INC13,605,104$217M<0.01%+257,03213F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.10,167,243$162M<0.01%+319,00513F-HRTimelineGroup
Capital Research Global Investorsin group Capital Research Global Inves…7,725,235$123M0.03%new13F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…7,030,011$112M0.02%+450,34113F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP5,524,643$88M0.02%+170,53213F-HRTimelineGroup
Boston Partnersin group Boston Trust Walden Corp4,756,323$76.1M0.09%+1,336,45813F-HRTimelineGroup
Nuveen Asset Management, LLCin group TIAA3,942,780$62.8M0.02%-173,08213F-HRTimelineGroup
Granahan Investment Management, LLC3,613,084$57.5M2.4%-387,63513F-HRTimeline
Driehaus Capital Management LLC3,318,493$52.8M0.44%-98,33513F-HRTimeline
Nine Ten Capital Management LLC3,115,849$49.6M14.16%+493,98313F-HRTimeline
Edenbrook Capital, LLCin group Edenbrook Capital, LLC3,103,542$49.4M23.57%-391,85313F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC2,957,578$47.1M<0.01%-10,70813F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP2,942,130$46.8M<0.01%-111,47413F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp2,520,890$40.1M0.01%-343,24313F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding2,062,271$32.8M+1,475,280Timeline
NOMURA ASSET MANAGEMENT CO LTDin group NOMURA ASSET MANAGEMENT CO LTD1,873,835$29.8M0.09%+146,97413F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP1,658,535$26.4M<0.01%+21,23013F-HRTimelineGroup
FMR LLCin group FMR LLC1,614,777$25.7M<0.01%-2,147,69213F-HRTimelineGroup
ROYCE & ASSOCIATES LP1,597,896$25.4M0.24%+109,59513F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO1,511,439$24.1M<0.01%+84,49713F-HRTimelineGroup
KENNEDY CAPITAL MANAGEMENT LLC1,469,767$23.4M0.52%-57,92413F-HRTimeline
MORGAN STANLEYin group MORGAN STANLEY1,199,894$19.1M<0.01%+339,26313F-HR/ATimelineGroup
VICTORY CAPITAL MANAGEMENT INC1,181,278$18.8M0.02%-159,42713F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC1,150,546$18.3M<0.01%+168,58313F-HRTimelineGroup
SILVERCREST ASSET MANAGEMENT GROUP LLC1,069,753$17M0.11%-5,23613F-HRTimeline
Stephens Investment Management Group LLCgroup of 2 filers holding1,066,016$17M+592,713Timeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co1,049,412$16.7M<0.01%+16,30813F-HRTimelineGroup
Maestria Partners LLC952,317$15.2M6.01%13F-HRTimeline
Meros Investment Management, LP927,411$14.8M6.61%-114,98413F-HRTimeline
NORDEA INVESTMENT MANAGEMENT ABin group NORDEA INVESTMENT MANAGEMENT …893,989$14.5M0.02%+35,49013F-HRTimelineGroup
Granite Investment Partners, LLC908,811$14.5M0.63%-19,07413F-HRTimeline
GRIZZLYROCK CAPITAL, LLC863,541$13.7M14.36%-4,63013F-HRTimeline
HARBOR CAPITAL ADVISORS, INC.842,761$13.4M0.59%-78,77013F-HRTimeline
MARSHALL WACE, LLPin group MARSHALL WACE, LLP796,994$12.7M0.02%-2,847,27313F-HRTimelineGroup
Penn Capital Management Company, LLC778,885$12.4M1.22%-265,41213F-HRTimeline
INTRINSIC EDGE CAPITAL MANAGEMENT LLC719,532$11.5M1.55%-622,87113F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …695,754$11.1M0.02%13F-HRTimelineGroup
Qube Research & Technologies Ltd688,033$11M0.02%+46,80113F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPgroup of 2 filers holding669,169$10.7M+407,364Timeline
NEW YORK STATE COMMON RETIREMENT FUND667,598$10.6M0.01%-103,53313F-HR/ATimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC666,600$10.6M<0.01%-172,63613F-HRTimelineGroup
FRONTIER CAPITAL MANAGEMENT CO LLC646,683$10.3M0.1%-1,11213F-HRTimeline
Kopion Asset Management, LLCin group Kopion Asset Management, LLC641,509$10.2M7.17%-8,91013F-HRTimelineGroup
CenterBook Partners LP625,765$9.96M0.6%new13F-HRTimeline
Williams Jones Wealth Management, LLC.602,244$9.59M0.12%-72,27713F-HRTimeline
S SQUARED TECHNOLOGY, LLC561,621$8.94M3.71%-146,95613F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC545,564$8.68M<0.01%13F-HR/ATimelineGroup
KING LUTHER CAPITAL MANAGEMENT CORP534,567$8.51M0.04%+12,72513F-HRTimeline
Dana Investment Advisors, Inc.473,625$7.54M0.25%-15,83913F-HRTimeline
Advantage Alpha Capital Partners LP461,907$7.35M1.74%+7,35013F-HRTimeline
NORGES BANK398,639$6.35M<0.01%-52,03213F-HRTimeline
First Eagle Investment Management, LLCin group First Eagle Investment Manage…367,157$5.85M0.01%new13F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/350,783$5.58M<0.01%-207,94413F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC338,685$5.39M0.01%+108,73013F-HRTimelineGroup
PINNACLE ASSOCIATES LTD331,961$5.28M0.07%new13F-HRTimeline
1492 Capital Management LLC327,775$5.22M2.48%-2,65813F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC312,811$4.98M0.01%-537,71613F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC310,239$4.94M<0.01%-392,26913F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC309,976$4.93M<0.01%+17,54513F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…306,036$4.87M0.02%+156,92913F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC304,299$4.84M0.01%+42,90513F-HR/ATimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…277,605$4.42M0.01%-296,94613F-HRTimelineGroup
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP277,418$4.42M<0.01%+57,09613F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL273,336$4.35M0.05%-62,10013F-HRTimeline
Invesco Ltd.in group Invesco Ltd.272,093$4.33M<0.01%+70,77813F-HRTimelineGroup
Swiss National Bank249,900$3.98M<0.01%+3,80013F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC240,375$3.83M<0.01%+29,77713F-HR/ATimelineGroup
Global IMC LLC228,642$3.64M0.65%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN228,018$3.63M<0.01%-5,04613F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC218,966$3.49M<0.01%+66,73713F-HRTimelineGroup
Parallax Volatility Advisers, L.P.217,966$3.47M0.08%-142,00913F-HRTimeline
OBERWEIS ASSET MANAGEMENT INC/205,700$3.27M0.15%+5,70013F-HRTimeline
Informed Momentum Co LLC198,276$3.16M0.45%new13F-HRTimeline
EFG Asset Management (North America) Co…197,770$3.15M0.43%+96,89513F-HRTimeline
P.A.W. CAPITAL CORP195,000$3.1M5.92%-125,00013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC188,940$3.01M<0.01%-22,36213F-HRTimelineGroup
RICE HALL JAMES & ASSOCIATES, LLC188,466$3M0.16%new13F-HRTimeline
GROUP ONE TRADING LLC187,620$2.99M0.1%+82,13513F-HR/ATimeline
RHUMBLINE ADVISERS184,331$2.93M<0.01%-5,35313F-HR/ATimeline
ALGERT GLOBAL LLC170,512$2.71M0.06%+11,43713F-HR/ATimeline
Lisanti Capital Growth, LLC168,045$2.68M0.64%+21,59513F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/163,305$2.6M<0.01%+24,90613F-HRTimelineGroup
COMMONWEALTH EQUITY SERVICES, LLC161,987$2.58M<0.01%+33,11413F-HRTimeline
Hilton Capital Management, LLC156,206$2.49M0.22%+29913F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\151,406$2.41M<0.01%+53,92313F-HR/ATimelineGroup
PERKINS CAPITAL MANAGEMENT INC143,825$2.29M2.03%-5,25013F-HRTimeline
Manatuck Hill Partners, LLC141,591$2.25M0.92%-300,90013F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc139,617$2.22M<0.01%+11,56913F-HRTimelineGroup
JACOBS LEVY EQUITY MANAGEMENT, INC138,659$2.21M0.01%-6,91813F-HRTimeline
Weiss Asset Management LPin group Weiss Asset Management LP137,052$2.18M0.05%new13F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
ALLIANCEBERNSTEIN L.P.136,645$2.18M<0.01%013F-HRTimeline
LPL Financial LLC129,603$2.06M<0.01%+43,20713F-HRTimeline
Tidal Investments LLCin group Tidal Investments LLC128,856$2.05M0.02%-1,72413F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources128,339$2.04M<0.01%-16,22413F-HRTimelineGroup
ExodusPoint Capital Management, LP127,645$2.03M0.02%new13F-HRTimeline
Advisory Services Network, LLC127,542$2.03M0.04%+10,22113F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA126,766$2.02M<0.01%-22,38713F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding123,248$1.96M+15,558Timeline
CALIFORNIA STATE TEACHERS RETIREMENT SY…118,674$1.89M<0.01%-54013F-HR/ATimeline
MOODY NATIONAL BANK TRUST DIVISIONin group MOODY NATIONAL BANK TRUST DIV…110,278$1.76M0.18%+13,45013F-HRTimelineGroup
WEDGE CAPITAL MANAGEMENT L L P/NC105,666$1.68M0.03%-17,47213F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…102,931$1.64M<0.01%-41,54613F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC100,544$1.6M<0.01%-2,82213F-HRTimelineGroup
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP98,002$1.56M<0.01%+24113F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding95,452$1.52M+10,799Timeline
PRICE T ROWE ASSOCIATES INC /MD/94,893$1.51M<0.01%+9,07513F-HRTimeline
Financial Enhancement Group LLC97,171$1.51M0.23%new13F-HRTimeline
Riverwater Partners LLC84,169$1.34M0.65%+9013F-HRTimeline
Atlas Merchant Capital LLC82,500$1.31M2.45%+32,50013F-HRTimeline
Graham Capital Management, L.P.79,759$1.27M0.04%+67,17213F-HRTimeline
IMC-Chicago, LLC76,410$1.22M0.03%+2,31713F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…75,993$1.21M0.01%+2,12013F-HRTimelineGroup
STATE OF WISCONSIN INVESTMENT BOARD71,858$1.14M<0.01%+41,25713F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …71,785$1.14M<0.01%+6,11013F-HRTimelineGroup
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…71,580$1.14M<0.01%+2,71413F-HRTimelineGroup
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC67,719$1.1M<0.01%+14,24613F-HRTimelineGroup
GREENWOOD CAPITAL ASSOCIATES LLC64,369$1.02M0.13%-10,39113F-HRTimeline
Corebridge Financial, Inc.in group Corebridge Financial, Inc.62,552$996K0.01%-4,72113F-HRTimelineGroup
Engineers Gate Manager LP59,621$949K0.02%new13F-HRTimeline
Ensign Peak Advisors, Inc59,508$947K<0.01%013F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson58,423$930K<0.01%013F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP56,122$893K<0.01%+9,62013F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC54,021$860K0.01%+7,18413F-HRTimeline
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.51,892$826K<0.01%+16,95313F-HR/ATimelineGroup
JENNISON ASSOCIATES LLC51,373$818K<0.01%new13F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding50,079$797K-40,299Timeline
OCONNOR, A Distinct Business Unit of UB…50,000$796K0.02%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Legato Capital Management LLC48,123$766K0.1%+11,70513F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO46,169$735K<0.01%+21,46413F-HRTimelineGroup
WOLVERINE TRADING, LLC44,538$731K0.02%+13,93413F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.45,187$719K<0.01%+24,91713F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC40,902$651K<0.01%-5,66013F-HRTimeline
Penbrook Management LLC38,480$613K0.42%+15,05013F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…38,231$609K<0.01%013F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM36,846$587K<0.01%+55913F-HRTimeline
Merit Financial Group, LLC36,823$586K0.01%new13F-HRTimeline
Fulton Bank, N.A.35,952$572K0.02%+7,64113F-HRTimeline
ProShare Advisors LLC35,432$564K<0.01%+11,65613F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC35,143$559K<0.01%-155,83713F-HRTimelineGroup
AVENIR CORP35,000$557K0.06%013F-HRTimeline
Sterling Capital Management LLC34,758$553K0.01%+40013F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP34,242$545K<0.01%+67413F-HRTimelineGroup
COMERICA BANK32,937$524K<0.01%-7,24313F-HR/ATimeline
PITCAIRN COin group PITCAIRN CO32,523$518K0.03%-10513F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…32,162$512K<0.01%+2,71313F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co32,010$509K<0.01%013F-HRTimelineGroup
SIMPLEX TRADING, LLC31,987$509K0.01%-56,17213F-HRTimeline
BANTAMAC CAPITAL, LLC31,835$507K0.23%new13F-HRTimeline
STRS OHIO31,600$503K<0.01%+8,40013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS30,939$493K<0.01%new13F-HRTimelineGroup
GRIFFIN ASSET MANAGEMENT, INC.30,755$490K0.06%-1,33013F-HRTimeline
Handelsbanken Fonder AB30,100$479K<0.01%+6,60013F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC30,000$478K0.01%-70,29313F-HRTimeline
Cambridge Investment Research Advisors,…29,684$473K<0.01%-2,77913F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …29,185$465K<0.01%+6813F-HRTimelineGroup
KLP KAPITALFORVALTNING AS27,800$443K<0.01%13F-HRTimeline
Police & Firemen's Retirement System of…26,732$426K<0.01%13F-HRTimeline
ELEVATION POINT WEALTH PARTNERS, LLC25,377$404K0.03%+1,14813F-HR/ATimeline
Militia Capital Partners, LPin group Militia Capital Management LLC25,000$398K0.38%13F-HR/ATimelineGroup
DORCHESTER WEALTH MANAGEMENT Co24,000$382K0.08%+6,00013F-HRTimeline
Cetera Investment Advisers23,732$378K<0.01%-9,09113F-HRTimeline
JOHNSON INVESTMENT COUNSEL INC21,968$350K<0.01%-1,10313F-HRTimeline
Evanson Asset Management, LLC21,171$337K0.02%013F-HRTimeline
Sanctuary Advisors, LLC19,161$335K<0.01%new13F-HRTimeline
Outlook Wealth Advisors, LLC20,588$328K0.09%+2513F-HRTimeline
HighTower Advisors, LLC20,551$327K<0.01%+3,22913F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC20,502$326K0.01%-12,84913F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…20,403$325K<0.01%+4,37913F-HRTimelineGroup
Baader Bank Aktiengesellschaft20,000$318K0.03%-30,10013F-HRTimeline
Ledgewood Wealth Advisors, LLC19,795$315K0.2%013F-HRTimeline
Verdence Capital Advisors LLC19,022$303K0.02%-30413F-HRTimeline
CAPTRUST FINANCIAL ADVISORS18,312$292K<0.01%-19913F-HRTimeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC17,028$271K<0.01%new13F-HRTimelineGroup
Bayesian Capital Management, LP16,320$260K0.03%new13F-HRTimeline
OCCUDO QUANTITATIVE STRATEGIES LP15,770$251K0.05%new13F-HRTimeline
Amundiin group Amundi14,940$246K<0.01%-2,15513F-HRTimelineGroup
WOODMONT INVESTMENT COUNSEL LLC15,350$244K0.02%-6,00013F-HRTimeline
Creative Planningin group Creative Planning15,247$243K<0.01%new13F-HRTimelineGroup
Diametric Capital, LP15,221$242K0.16%new13F-HRTimeline
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…14,986$239K<0.01%013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC14,755$234K<0.01%-97113F-HRTimelineGroup
M&T Bank Corpin group M&T Bank Corp14,423$230K<0.01%new13F-HRTimelineGroup
GSA CAPITAL PARTNERS LLP14,341$228K0.02%-249,76313F-HRTimeline
INTRUST BANK NA13,240$211K0.02%new13F-HRTimeline
Winthrop Advisory Group LLC13,200$210K0.03%+30013F-HRTimeline
Ameritas Investment Partners, Inc.in group Ameritas Investment Partners,…13,162$210K0.01%+83613F-HRTimelineGroup
HCR Wealth Advisors13,000$207K0.03%013F-HRTimeline
Bridgefront Capital, LLC12,091$192K0.06%new13F-HRTimeline
CORNERCAP INVESTMENT COUNSEL INC12,050$192K0.06%-16,78013F-HRTimeline
CIBC WORLD MARKETS CORP11,774$187K<0.01%new13F-HRTimeline
BLACKHILL CAPITAL INC11,622$185K0.01%-7,15713F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC11,608$185K<0.01%-836,59613F-HRTimelineGroup
AVANTAX ADVISORY SERVICES, INC.11,198$178K<0.01%new13F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC11,153$178K<0.01%-1,69413F-HRTimeline
Cornerstone Wealth Management, LLC10,920$174K0.01%013F-HRTimeline
Versor Investments LP10,900$174K0.03%-8,80013F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC10,857$172K<0.01%-25,76013F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC10,322$164K<0.01%-196,04813F-HRTimeline
AlphaQuest LLC10,004$159K0.02%-6,80413F-HRTimeline
Parkside Financial Bank & Trust9,886$157K0.02%+2,96813F-HRTimeline