13F

Stock

Magnite, Inc.

MGNI · held by 296 managers

Reported value

$1.54B

Holders

296

+44 new · −53 exited

Holders’ est. mark

−$379.9M

Price effect on 209 books still in the name

Largest holder

$138.5M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.11.7M$138.5M−$50.4MCut−$49.7M
WELLINGTON MANAGEMENT GROUP LLP9.19M$109.2M−$37.5MCut−$30.9M
VANGUARD PORTFOLIO MANAGEMENT LLC7.73M$91.8MHeld
VANGUARD CAPITAL MANAGEMENT LLC6.19M$73.5MHeld
Capital Research Global Investors5.02M$59.6M−$21.8MCut−$150.1M
Boston Partners4.72M$56.1M−$17.8MCut−$10.5M
AMERICAN CENTURY COMPANIES INC4.63M$55M−$20.1MCut−$30.8M
Fidelity4.51M$53.5M−$1.57MCut−$57.6M
DIMENSIONAL FUND ADVISORS LP3.98M$47.3M−$15.7MCut−$11.4M
Nuveen, LLC3.59M$42.6M−$15.4MCut−$14.7M
GEODE CAPITAL MANAGEMENT, LLC3.55M$42.2M−$14.9MCut−$13.5M
Nine Ten Capital Management LLC3.48M$41.4M−$13.1MCut−$7.39M
State Street3.16M$37.6M−$13.7MCut−$13.4M
Edenbrook Capital, LLC2.8M$33.2M−$12.1MCut−$12M
Granahan Investment Management, LLC2.55M$30.3M−$11.1MCut−$20.2M
Ophir Asset Management Pty Ltd2.12M$25.2M−$9.21MCut−$13.5M
325 CAPITAL LLC2.01M$23.8M−$8.72MCut−$8.72M
KENNEDY CAPITAL MANAGEMENT LLC1.75M$20.8M−$6.25MCut−$2.47M
JANE STREET GROUP, LLC1.67M$19.8M$2.7MAdded$13.3M
No Street GP LP1.63M$19.3M−$6.42MCut−$4.6M
Schonfeld Strategic Advisors LLC1.61M$19.1M−$3.39MAdded$6.41M
GOLDMAN SACHS GROUP INC1.5M$17.8M−$6.53MCut−$10.8M
Balyasny Asset Management L.P.1.5M$17.8M−$3.8MAdded$3.65M
ROYCE & ASSOCIATES LP1.37M$16.2M−$5.07MCut−$2.71M
Maestria Partners LLC1.36M$16.2M−$5.93MCut−$5.93M
Blue Grotto Capital, LLC1.33M$15.8M−$5.78MCut−$10.6M
NORTHERN TRUST CORP1.32M$15.7M−$5.53MCut−$4.93M
VICTORY CAPITAL MANAGEMENT INC1.27M$15M−$657.2KAdded$12.6M
GRIZZLYROCK CAPITAL, LLC1.24M$14.7M−$2.49MAdded$5.43M
MILLENNIUM MANAGEMENT LLC1.23M$14.7M$13.4MAdded$6.36M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC1.18M$14M−$5.13MCut−$5.25M
Bank of New York Mellon Corp1.14M$13.5M−$4.95MCut−$5.68M
BANK OF AMERICA CORP /DE/1.13M$13.4M−$2.84MAdded$2.79M
Citadel1.05M$12.5M−$2.37MAdded$3.67M
VANGUARD FIDUCIARY TRUST CO997.1K$11.8MHeld
Meros Investment Management, LP992.4K$11.8M−$3.59MCut−$1.61M
MORGAN STANLEY926.8K$11M−$4.03MCut−$19.2M
Kopion Asset Management, LLC855.9K$10.2M−$2.67MAdded$195.5K
Man Group plc664K$7.89M−$1.36MAdded$2.83M
Qube Research & Technologies Ltd661.1K$7.85M−$882.8KAdded$4.56M
OBERWEIS ASSET MANAGEMENT INC/647.6K$7.69M−$2.77MCut−$2.63M
PICTON MAHONEY ASSET MANAGEMENT643.1K$7.64M−$1.69MAdded$1.34M
SILVERCREST ASSET MANAGEMENT GROUP LLC616.1K$7.32M−$2.68MCut−$3.8M
Park West Asset Management LLC598.4K$7.11MNew
NOMURA ASSET MANAGEMENT CO LTD593.9K$7.06M−$2.58MCut−$3.05M
CenterBook Partners LP564.2K$6.7M−$750.6KAdded$3.9M
KING LUTHER CAPITAL MANAGEMENT CORP531.1K$6.31M−$2.24MCut−$2.06M
JPMORGAN CHASE & CO486.9K$5.63M−$2.27MCut−$2.59M
Capital World Investors456.7K$5.43MNew
QVT Financial LP453.9K$5.39M−$266.6KAdded$4.4M
UBS Group AG450.3K$5.35M$4.58MCut−$9.1M
First Eagle Investment Management, LLC450.3K$5.35M−$1.29MAdded$538.2K
PRINCIPAL FINANCIAL GROUP INC445.9K$5.3M−$1.03MAdded$1.45M
NORDEA INVESTMENT MANAGEMENT AB421K$4.9M−$2.04MCut−$2.43M
Caption Management, LLC405.1K$4.81M−$70.5KAdded$4.55M
S Squared Technology, LLC402.9K$4.79M−$1.75MCut−$1.75M
TWO SIGMA INVESTMENTS, LP394.9K$4.69M−$1.58MCut−$1.21M
COMMONWEALTH EQUITY SERVICES, LLC359.6K$4.27M−$1.11MAdded$144.1K
SEI INVESTMENTS CO350.9K$4.17M−$920.2KAdded$735K
1492 Capital Management LLC340.5K$4.05M−$1.48MCut−$1.5M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC323K$3.84M−$1.41MCut−$1.49M
Manatuck Hill Partners, LLC310K$3.68M−$1.35MCut−$2M
Lisanti Capital Growth, LLC309.4K$3.68MNew
SUSQUEHANNA INTERNATIONAL GROUP, LLP307.8K$3.66M−$1.34MCut−$1.34M
ALLIANCEBERNSTEIN L.P.223.2K$3.62M$0Added$1.59M
Squarepoint Ops LLC300.9K$3.58M−$197.7KAdded$2.84M
RAYMOND JAMES FINANCIAL INC291.7K$3.47M−$1.27MCut−$1.37M
Norwood Investment Partners, LP285K$3.39M−$1.24MCut−$1.97M
Swiss National Bank284.3K$3.38M−$1.22MCut−$1.18M
Invesco Ltd.261.4K$3.11M−$1.06MCut−$848K
Senvest Management, LLC224.1K$2.66M−$974.8KCut−$974.8K
VOYA INVESTMENT MANAGEMENT LLC210.6K$2.5M−$916KCut−$1.08M
Hilton Capital Management, LLC208.2K$2.47M−$785.1KCut−$456.2K
RICE HALL JAMES & ASSOCIATES, LLC192.8K$2.29M−$838.7KCut−$936.4K
WEDGE CAPITAL MANAGEMENT L L P/NC189.8K$2.25M−$825.5KCut−$827.7K
STATE OF WISCONSIN INVESTMENT BOARD185.5K$2.2M−$806.8KCut−$1.36M
BARCLAYS PLC180.6K$2.15M−$785.8KCut−$3.8M
RHUMBLINE ADVISERS180K$2.14M−$782.9KCut−$847.3K
Walleye Trading LLC179.4K$2.13M−$230KAdded$1.27M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM176.5K$2.1M−$593.9KCut−$118.6K
P.A.W. CAPITAL CORP170K$2.02M−$609KCut−$252.6K
LPL Financial LLC155.4K$1.85M−$506.6KCut−$43.3K
DBA TRADING, LLC150K$1.78M−$239.2KAdded$889.4K
ExodusPoint Capital Management, LP149.2K$1.77MNew
XTX Topco Ltd146.6K$1.74M−$203KAdded$984.2K
DEUTSCHE BANK AG\139.6K$1.66M−$558.8KCut−$426.1K
Tidal Investments LLC133.8K$1.59M−$539KCut−$421.9K
Brevan Howard Capital Management LP133.2K$1.58MNew
TWINBEECH CAPITAL LP132.4K$1.57MNew
Quantinno Capital Management LP128.1K$1.52M−$228.1KAdded$671K
VANGUARD ASSET MANAGEMENT, Ltd126.4K$1.5MHeld
Legal & General Group Plc122K$1.45M−$530.9KCut−$965.8K
Icahn Capital121.2K$1.44M−$424.3KCut−$143K
PERKINS CAPITAL MANAGEMENT INC119.3K$1.42M−$518.8KCut−$559.4K
Radcliffe Capital Management, L.P.112.4K$1.34M$1.22MCut−$75.8M
Penbrook Management LLC112.2K$1.33M−$135.3KAdded$827.8K
FRANKLIN RESOURCES INC109.6K$1.3M−$474KCut−$466.7K
Dana Investment Advisors, Inc.102.4K$1.22M−$445.5KCut−$2.92M
Holocene Advisors, LP102K$1.21M−$67.7KAdded$958.9K
Cerity Partners LLC101.2K$1.2M−$438.4KCut−$433.4K
Cardinal Point Capital Management ULC95K$1.13M−$298.1KAdded$15.8K
FOX RUN MANAGEMENT, L.L.C.88.1K$1.02MNew
STEPHENS INC /AR/85.5K$1.02M−$372.1KCut−$402.5K
Legato Capital Management LLC84.8K$1.01MNew
Z3 Capital Partners, LLC81.3K$966.4K−$353.9KCut−$529.2K
ENVESTNET ASSET MANAGEMENT INC78.3K$929.8K−$340.4KCut−$1.73M
ARDSLEY ADVISORY PARTNERS LP78K$926.6KNew
MetLife Investment Management, LLC77.7K$922.7K−$337.8KCut−$343.7K
TUDOR INVESTMENT CORP ET AL73.6K$874.9K−$150.8KAdded$312.1K
Creative Planning72.2K$857.5K−$133.7KAdded$358.6K
NANO CAP NEW MILLENNIUM GROWTH FUND L P70K$831.6K−$217.5KAdded$20.1K
JUPITER ASSET MANAGEMENT LTD69.4K$825KNew
STEINBERGANNA WEALTH MANAGEMENT69K$820K−$300.3KCut−$300.3K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.66.7K$792.8K−$282.8KCut−$262.2K
WELLS FARGO & COMPANY/MN66.1K$785.3K−$287.5KCut−$2.36M
PINNACLE ASSOCIATES LTD65.8K$781.2K−$225KCut−$58.2K
Zurcher Kantonalbank (Zurich Cantonalbank)64.7K$768.7K−$232.2KCut−$97.4K
MANUFACTURERS LIFE INSURANCE COMPANY, THE64.6K$766.9K−$280.8KCut−$297.5K
Vident Advisory, LLC63.4K$752.8K−$72.7KAdded$481.4K
GAMCO INVESTORS, INC. ET AL60.7K$720.6K−$193.5KCut−$1.34K
FIFTH THIRD BANCORP58.8K$698.8KNew
JANUS HENDERSON GROUP PLC58.4K$693.8K−$254.7KCut−$254.7K
Advisory Services Network, LLC58.3K$692.1K−$245.9KCut−$225.3K
JENNISON ASSOCIATES LLC57.8K$687.2KNew
Vanguard Global Advisers, LLC57.8K$686.9KHeld
MOODY NATIONAL BANK TRUST DIVISION53.3K$633.4K−$231.9KCut−$927.7K
ROYAL BANK OF CANADA52.9K$628K−$230.6KCut−$383K
Russell Investments Group, Ltd.49.1K$583.3K$468.3KCut−$11.3M
STIFEL FINANCIAL CORP46.6K$553.6K−$202.7KCut−$400.4K
CANADA PENSION PLAN INVESTMENT BOARD46.1K$547.1K−$80.3KAdded$247.6K
GABELLI FUNDS LLC45.8K$544.3K−$134.1KAdded$44.1K
Homestead Advisers Corp43.9K$521.5K−$191KCut−$191K
MARSHALL WACE, LLP42.5K$504.5K−$125.1KAdded$37.7K
NATIXIS42.1K$500.1KNew
Allspring Global Investments Holdings, LLC41.8K$492.4K−$160KCut−$109.2K
Police & Firemen's Retirement System of New Jersey40.3K$478.6K−$161.4KCut−$123.6K
ARIZONA STATE RETIREMENT SYSTEM39.5K$468.7K−$171.6KCut−$174.2K
HSBC HOLDINGS PLC38.4K$459.6K−$164KCut−$397.6K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM38.2K$454.2K−$166.3KCut−$166.3K
INTECH INVESTMENT MANAGEMENT LLC37.4K$444.3K−$162.7KCut−$630.7K
GREENWOOD CAPITAL ASSOCIATES LLC36.8K$437.2K−$160.1KCut−$189.6K
NEW YORK STATE COMMON RETIREMENT FUND36.7K$436.3K−$159.8KCut−$7.26M
LOS ANGELES CAPITAL MANAGEMENT LLC35.3K$419.7K−$191.8KCut−$274.2K
Vanguard Investments Australia, Ltd.35.3K$419.6KHeld
Diametric Capital, LP34.8K$413.2K−$151.3KCut−$393.5K
KLP KAPITALFORVALTNING AS32.4K$384.9K−$132.7KCut−$110.1K
BROWN ADVISORY INC31.5K$374.5K−$92.5KAdded$29.4K
BNP PARIBAS FINANCIAL MARKETS31.5K$373.8K−$136.9KCut−$139.6K
Buckland Partners Management Co LLC31.4K$373.6K−$136.8KCut−$136.8K
Fulton Bank, N.A.30.7K$365.2K−$133.7KCut−$144.3K
Blue Trust, Inc.29.1K$345.4K−$119.5KCut−$100.5K
Northwest & Ethical Investments L.P.28.2K$342.7K−$75.8KAdded$52.3K
IMC-Chicago, LLC27.8K$330K−$120.8KCut−$1.83M
Linden Thomas Advisory Services, LLC26.4K$313.9KNew
Pictet Asset Management Holding SA25.8K$306K−$98.5KCut−$61.5K
GROUP ONE TRADING LLC25K$297K−$23.3KAdded$210.2K
Entropy Technologies, LP24.8K$294.2KNew
Universal- Beteiligungs- und Servicegesellschaft mbH23.7K$281.5K−$103.1KCut−$1.82M
ELEVATION POINT WEALTH PARTNERS, LLC23.6K$280.9KNew
Amundi22.8K$271.1K−$56.8KAdded$59.2K
Pinnacle Wealth Management Advisory Group, LLC22.6K$268.2K−$98.2KCut−$128.5K
PRUDENTIAL FINANCIAL INC22.5K$266.7KNew
Dynamic Technology Lab Private Ltd22.2K$263.3KNew
MIRABELLA FINANCIAL SERVICES LLP21.3K$252.9KNew
Verdence Capital Advisors LLC20.9K$248.2K−$73.9KCut−$27.6K
ProShare Advisors LLC20.6K$245.1K−$89.7KCut−$170.2K
CAPTRUST FINANCIAL ADVISORS18.7K$221.7K−$66.7KCut−$27.1K
STRS OHIO18.5K$219.8K−$80.5KCut−$351.5K
MERCER GLOBAL ADVISORS INC /ADV18.5K$219.3KNew
PRELUDE CAPITAL MANAGEMENT, LLC17.9K$212.5K−$77.8KCut−$2.26M
AVENIR CORP17.7K$210.5KNew
Centiva Capital, LP17K$202K−$74KCut−$74K
CITIGROUP INC15.9K$188.4K$131.2KCut−$890.9K
Winthrop Advisory Group LLC14.5K$172.5K−$63.2KCut−$63.2K
Caitong International Asset Management Co., Ltd14.3K$170.5KNew
GWN SECURITIES INC.14.3K$170.1KNew
WOODMONT INVESTMENT COUNSEL LLC14.3K$169.3K−$62KCut−$62K
Ensign Peak Advisors, Inc13.7K$162.3K−$59.4KCut−$59.4K
XPONANCE LLC13.5K$160.2K−$48.3KCut−$19.9K
Bayforest Capital Ltd13.2K$157.1K−$27.9KAdded$53K
Cetera Investment Advisers13.2K$156.3K−$57.2KCut−$400.3K
Parallax Volatility Advisers, L.P.13.1K$156K−$57.1KCut−$731.1K
HCR Wealth Advisors13K$154.4K−$56.5KCut−$56.5K
Gotham Asset Management, LLC12.9K$153.1KNew
OP Asset Management Ltd12.6K$149.9K−$54.9KCut−$54.9K
Ledgewood Wealth Advisors, LLC12.6K$149.4K−$54.7KCut−$79.4K
TRUIST FINANCIAL CORP12.1K$143.5K−$52.5KCut−$202K
TWO SIGMA SECURITIES, LLC12K$142.9KNew
Sciencast Management LP11.7K$139KNew
Ameritas Investment Partners, Inc.11.7K$139K−$50.9KCut−$50.9K
DARK FOREST CAPITAL MANAGEMENT LP11.7K$138.8KNew
MONEY CONCEPTS CAPITAL CORP11.7K$138.5KNew
M&T Bank Corp11.6K$137.8K−$50.2KCut−$141.7K
SIMPLEX TRADING, LLC11.3K$134.4K−$49.2KCut−$4.14M
Cornerstone Wealth Management, LLC10.9K$129.7K−$47.5KCut−$47.5K
Parkside Financial Bank & Trust10.8K$128.5K−$40.9KCut−$24.3K
RITHOLTZ WEALTH MANAGEMENT10.3K$122.8KNew
Vanguard Personalized Indexing Management, LLC10.3K$122.5KNew
Tower Research Capital LLC (TRC)9.76K$115.9K−$30.8KAdded$1.17K
OSAIC HOLDINGS, INC.9.71K$115.4K−$42.3KCut−$152.9K
1620 INVESTMENT ADVISORS, INC.9.55K$113.5K−$38.9KCut−$31.8K
Murphy & Mullick Capital Management Corp8.8K$104.5K−$38.3KCut−$38.3K
Walleye Capital LLC7.63K$90.7K−$33.2KCut−$324.1K
CWM, LLC7.02K$83.3K$30.6KAdded$83.3K
JONES FINANCIAL COMPANIES LLLP7.06K$82.3K−$25.1KCut−$6.82K
BLACKHILL CAPITAL INC5.99K$71.2K−$26.1KCut−$26.1K
Optiver Holding B.V.5.58K$66.3K−$853Added$63.1K
Versant Capital Management, Inc5.53K$65.7K−$6.01KAdded$43.3K
Rockefeller Capital Management L.P.4.78K$56.8K−$20.8KCut−$79.6K
NISA INVESTMENT ADVISORS, LLC4.58K$54.4K−$8.13KAdded$24.1K
Rachor Investment Advisory Services, LLC4.16K$49.5K−$18.1KCut−$18.1K
PNC Financial Services Group, Inc.3.78K$44.9K−$7.98KAdded$15.2K
Cetera Trust Company, N.A3.11K$36.9K−$13.5KCut−$13.5K
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO3K$35.6K−$13KCut−$16.3K
BNP PARIBAS ASSET MANAGEMENT Holding S.A.2.68K$31.8KNew
GAMMA Investing LLC2.55K$30.3K−$9.07KCut−$3.5K
Central Pacific Bank - Trust Division2.5K$29.7K−$10.9KCut−$10.9K
Strategic Wealth Partners, Ltd.2.49K$29.6K−$10.8KCut−$10.8K
HUNTINGTON NATIONAL BANK2.25K$26.8K−$9.8KCut−$10K
EXCHANGE TRADED CONCEPTS, LLC1.96K$23.3KNew
Smartleaf Asset Management LLC1.75K$20.2K−$8.55KCut−$40.3K
MCF Advisors LLC1.5K$17.8K−$6.52KCut−$6.53K
EFG International AG1.5K$17.8K−$6.52KCut−$6.53K
Pinnacle Wealth Planning Services, Inc.1.48K$17.5K−$6.42KCut−$6.42K
NBC SECURITIES, INC.1.44K$17.1K−$6.26KCut−$8.06K
SIGNATUREFD, LLC1.37K$16.3K−$5.09KCut−$2.71K
US BANCORP \DE\1.18K$14K−$4.93KCut−$4.43K
MAI Capital Management1.15K$13.6K−$4.71KCut−$3.96K
Allworth Financial LP957$11.4K−$1.93KAdded$4.16K
Owl Creek Wealth Partners LLC945$11.2KHeld
Sterling Capital Management LLC922$11K−$3.92KCut−$3.67K
Larson Financial Group LLC880$10.5K−$3.83KCut−$6.26K
UMB Bank, n.a.850$10.1K−$3.69KCut−$3.68K
EverSource Wealth Advisors, LLC766$9.1K−$1.67KAdded$2.87K
Kemnay Advisory Services Inc.742$8.81KNew
Cassaday & Co Wealth Management LLC715$8.49KNew
Evelyn Partners Investment Management Services Ltd703$8.35K−$3.06KCut−$3.06K
Essential Partners LLC696$8.27K−$74Added$7.99K
SBI Securities Co., Ltd.679$8.07K−$2.95KCut−$5.65K
CoreCap Advisors, LLC524$6.22K−$1.66KAdded$41
Rossby Financial, LCC500$5.89K−$2.22KCut−$2.22K
HARBOR CAPITAL ADVISORS, INC.325.3K$3.86K−$932Added$387
Colonial Trust Co / SC308$3.56K−$1.51KCut−$1.51K
Parallel Advisors, LLC284$3.37K−$1.23KCut−$1.24K
ROTHSCHILD INVESTMENT LLC282$3.35K−$788Added$412
ALGERT GLOBAL LLC269K$3.2K−$1.17KCut−$5.08K
Farther Finance Advisors, LLC246$2.9K−$675Added$433
Root Financial Partners, LLC228$2.71K−$357Added$1.38K
Abound Wealth Management176$2.09K−$766Cut−$766
Arax Advisory Partners172$2.04K−$483Added$242

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.