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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.

Q2 2025 vs. Q1 2025

How the institutions holding Magnite, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of MGNI: Q1 2025 compared with Q2 2025
MeasureQ1 2025Of which not filed for Q2 2025Q2 2025Change
Holders2932287−4
Shares132.9M10.7K147.0M+14.1M (+10.6%)
Value$1.52B$122.6K$3.54B+$2.03B (+133.7%)

2 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (53)

Institutions that held Magnite, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to MGNI in Q2 2025
InstitutionSharesValue% of portfolio
Schonfeld Strategic Advisors LLC1,900,598$45.8M0.35%
Apis Capital Advisors, LLC1,048,000$25.3M8.98%
Balyasny Asset Management LLC699,932$16.9M0.04%
J. Goldman & Co LP603,683$14.6M0.46%
Norwood Investment Partners, LP462,000$11.1M8.35%
Alta Park Capital, LP413,602$9.98M1.23%
Dilation Capital Management LP334,725$8.07M4.30%
Blue Grotto Capital, LLC284,804$6.87M0.83%
Roubaix Capital, LLC260,735$6.29M3.02%
EAM Investors, LLC217,478$5.25M0.79%
Clough Capital Partners L P185,277$4.47M0.45%
AYAL Capital Advisors Ltd165,937$4.00M2.18%
Castleark Management LLC143,150$3.45M0.10%
Picton Mahoney Asset Management127,850$3.08M0.04%
Cannell Capital LLC126,578$3.05M0.95%
Zweig-DiMenna Associates LLC111,500$2.69M0.28%
Panoramic Capital, LLC70,000$1.69M1.30%
PDT Partners, LLC63,448$1.53M0.09%
Simplex Trading, LLC52,834$1.27M0.03%
Boothbay Fund Management, LLC44,349$1.07M0.03%
ExodusPoint Capital Management, LP35,727$862.0K0.01%
Bayesian Capital Management, LP33,800$815.3K0.13%
D. E. Shaw & Co., Inc.31,947$770.6K0.00%
Walleye Capital LLC25,968$626.3K0.01%
Clear Creek Financial Management, LLC24,463$590.0K0.06%
ARS Investment Partners, LLC22,500$542.7K0.04%
Quantinno Capital Management LP19,511$470.6K0.00%
Prudential Financial Inc17,959$355.9K0.00%
Prudent Man Advisors, LLC11,360$274.0K0.09%
Xponance, Inc.10,919$263.4K0.00%
Wealth Enhancement Advisory Services, LLC10,405$255.2K0.00%
Mairs & Power Inc10,000$241.2K0.00%
Marex Group plc9,402$226.8K0.00%
Voya Financial Advisors, Inc.10,686$225.5K0.02%
Benjamin Edwards Inc8,975$216.5K0.00%
Kestra Private Wealth Services, LLC8,873$214.0K0.00%
Mackenzie Financial Corp8,590$207.2K0.00%
GWN Securities Inc.8,496$205.3K0.04%
FNY Investment Advisers, LLC7,862$189.0K0.08%
Northwest & Ethical Investments L.P.8,700$183.6K0.00%
Global Retirement Partners, LLC3,280$79.1K0.00%
Skopos Labs, Inc.3,070$74.0K0.01%
Strategic Wealth Partners, Ltd.2,422$58.4K0.00%
MTM Investment Management, LLC2,396$57.8K0.02%
Bessemer Group Inc462$11.0K0.00%
NVWM, LLC200$4.82K0.00%
ORG Partners LLC65$1.57K0.00%
Hughes Financial Services, LLC51$1.15K0.00%
Avion Wealth49$1.00K0.00%
Steward Partners Investment Advisory, LLC40$9650.00%
TD Waterhouse Canada Inc.25$6030.00%
Assetmark, Inc18$4340.00%
Ancora Advisors, LLC11$2650.00%

Sold out (57)

Institutions that held Magnite, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

Institutions that sold out of MGNI in Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Qube Research & Technologies Ltd1,038,131$11.8M
Intrinsic Edge Capital Management LLC733,044$8.36M
Granite Investment Partners, LLC720,873$8.23M
Millennium Management LLC434,479$4.96M
Armistice Capital, LLC389,000$4.44M
Susquehanna Fundamental Investments, LLC180,463$2.06M
XTX Topco Ltd135,118$1.54M
Squarepoint Ops LLC123,786$1.41M
Dynamic Technology Lab Private Ltd120,258$1.37M
State of New Jersey Common Pension Fund D109,356$1.25M
PEAK6 LLC103,167$1.18M
Riverwater Partners LLC84,179$960.5K
Atlas Merchant Capital LLC82,500$941.3K
Fox Run Management, L.L.C.77,223$881.1K
CIBC World Markets Inc.65,543$747.8K
Corebridge Financial, Inc.61,638$703.3K
IMC-Chicago, LLC39,631$452.2K
Sanctuary Advisors, LLC36,998$422.1K
Oppenheimer & Co Inc27,925$318.6K
Brown Advisory Inc25,409$289.9K
Scientech Research LLC23,901$272.7K
Jacobs Levy Equity Management, Inc19,634$224.0K
Axq Capital, LP19,092$217.8K
Bayforest Capital Ltd17,835$203.5K
Contravisory Investment Management, Inc.16,932$193.2K
CenterStar Asset Management, LLC16,800$191.6K
Kestra Advisory Services, LLC16,375$186.8K
Options Solutions, LLC16,287$185.8K
Kapitalo Investimentos Ltda15,975$182.3K
Aigen Investment Management, LP13,535$154.4K
Marshall Wace, LLP13,468$153.7K
Patriot Financial Group Insurance Agency, LLC11,195$127.7K
Graham Capital Management, L.P.11,182$127.6K
Avantax Advisory Services, Inc.10,871$124.0K
Intrust Bank NA10,444$119.2K
Walleye Trading LLC7,220$82.4K
Quarry LP1,872$21.4K
Clear Street Markets LLC1,364$15.6K
Caitong International Asset Management Co., Ltd1,028$11.7K
Y.D. More Investments Ltd800$9.13K
Coldstream Capital Management Inc793$9.05K
Ronald Blue Trust, Inc.609$6.95K
Heck Capital Advisors, LLC592$6.75K
Boston Private Wealth LLC508$5.80K
SRS Capital Advisors, Inc.454$5.18K
CoreCap Advisors, LLC147$1.68K
Massmutual Trust Co FSB92$1.05K
GWM Advisors LLC87$993
Quadrant Capital Group LLC86$982
First Horizon Advisors, Inc.78$889
National Bank of Canada69$783
Stephens Consulting, LLC60$685
Hexagon Capital Partners LLC46$525
Bell Investment Advisors, Inc40$457
WealthTrak Capital Management LLC5$58
Runnymede Capital Advisors, Inc.2$23
TFC Financial Management1$12

Not filed for Q2 2025 yet (2)

Institutions that held Magnite, Inc. at the end of Q1 2025 and haven't filed a 13F for Q2 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGNI in Q1 2025 that haven't filed for Q2 2025
InstitutionShares, Q1 2025Value, Q1 2025
Orion Portfolio Solutions, LLC10,673$121.8K
Lindbrook Capital, LLC71$810