Skip to main content
Livermore
Livermore
ZHEN

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.

Q1 2025 vs. Q4 2024

How the institutions holding Magnite, Inc. changed between Q4 2024 and Q1 2025.

All holders in Q1 2025All holders in Q4 2024

13F holders of MGNI: Q4 2024 compared with Q1 2025
MeasureQ4 2024Of which not filed for Q1 2025Q1 2025Change
Holders2863293+10
Shares123.5M3.97M132.9M+13.4M (+11.2%)
Value$1.97B$63.2M$1.52B−$386.8M (−20.3%)

3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so the changes leave them out.

New holders (52)

Institutions that held Magnite, Inc. at the end of Q1 2025 but not at the end of Q4 2024.

Institutions new to MGNI in Q1 2025
InstitutionSharesValue% of portfolio
Nuveen, LLC3,596,503$41.0M0.01%
Pacer Advisors, Inc.1,102,156$12.6M0.03%
Verition Fund Management LLC906,099$10.3M0.06%
Armistice Capital, LLC389,000$4.44M0.12%
Dark Forest Capital Management LP173,864$1.98M0.09%
Ardsley Advisory Partners LP156,000$1.78M0.41%
XTX Topco Ltd135,118$1.54M0.08%
Dynamic Technology Lab Private Ltd120,258$1.37M0.20%
State of New Jersey Common Pension Fund D109,356$1.25M0.01%
PEAK6 LLC103,167$1.18M0.05%
Fox Run Management, L.L.C.77,223$881.1K0.14%
CIBC World Markets Inc.65,543$747.8K0.00%
Cardinal Point Capital Management, ULC53,800$613.9K0.06%
Radcliffe Capital Management, L.P.50,000$570.5K0.06%
Massar Capital Management, LP32,144$366.8K0.44%
Oppenheimer & Co Inc27,925$318.6K0.00%
Brown Advisory Inc25,409$289.9K0.00%
Two Sigma Securities, LLC24,655$281.3K0.04%
SG Americas Securities, LLC24,005$274.0K0.00%
Scientech Research LLC23,901$272.7K0.07%
MML Investors Services, LLC21,502$245.0K0.00%
Teacher Retirement System of Texas20,439$233.2K0.00%
Axq Capital, LP19,092$217.8K0.09%
Centiva Capital, LP17,000$194.0K0.01%
Contravisory Investment Management, Inc.16,932$193.2K0.04%
CenterStar Asset Management, LLC16,800$191.6K0.28%
Kestra Advisory Services, LLC16,375$186.8K0.00%
Kapitalo Investimentos Ltda15,975$182.3K0.04%
Prelude Capital Management, LLC14,978$170.9K0.02%
Aigen Investment Management, LP13,535$154.4K0.02%
1858 Wealth Management, LLC12,605$143.8K0.12%
Patriot Financial Group Insurance Agency, LLC11,195$127.7K0.02%
Brinker Capital Investments, LLC10,673$121.8K0.00%
Orion Portfolio Solutions, LLC10,673$121.8K0.00%
Aster Capital Management (DIFC) Ltd7,422$117.0K0.02%
FDx Advisors, Inc.10,110$115.0K0.04%
Quarry LP1,872$21.4K0.01%
Banque Cantonale Vaudoise1,369$16.0K0.00%
Clear Street Markets LLC1,364$15.6K0.01%
Caitong International Asset Management Co., Ltd1,028$11.7K0.01%
Coldstream Capital Management Inc793$9.05K0.00%
Boston Private Wealth LLC508$5.80K0.00%
SRS Capital Advisors, Inc.454$5.18K0.00%
CoreCap Advisors, LLC147$1.68K0.00%
South State Corp.100$1.14K0.00%
Massmutual Trust Co FSB92$1.05K0.00%
National Bank of Canada69$7830.00%
Stephens Consulting, LLC60$6850.00%
Bell Investment Advisors, Inc40$4570.00%
Tradewinds Capital Management, LLC20$2290.00%
WealthTrak Capital Management LLC5$580.00%
Runnymede Capital Advisors, Inc.2$230.00%

Sold out (42)

Institutions that held Magnite, Inc. at the end of Q4 2024 and filed for Q1 2025 without it.

Institutions that sold out of MGNI in Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Williams Jones Wealth Management, LLC.602,244$9.59M
Tudor Investment Corp Et Al273,336$4.35M
EAM Global Investors LLC228,642$3.64M
EAM Investors, LLC198,276$3.16M
Algert Global LLC170,512$2.71M
ExodusPoint Capital Management, LP127,645$2.03M
Financial Enhancement Group LLC97,171$1.51M
Engineers Gate Manager LP59,621$949.2K
Jennison Associates LLC51,373$817.9K
UBS Oconnor LLC50,000$796.0K
Militia Capital Partners, LP50,000$796.0K
D. E. Shaw & Co., Inc.45,187$719.4K
Los Angeles Capital Management LLC40,902$651.2K
Walleye Capital LLC38,070$606.1K
Merit Financial Group, LLC36,823$586.2K
Avenir Corp35,000$557.2K
Simplex Trading, LLC31,987$509.0K
Boothbay Fund Management, LLC30,000$477.6K
Baader Bank INC20,000$318.4K
Bayesian Capital Management, LP16,320$259.8K
Occudo Quantitative Strategies LP15,770$251.1K
Gsa Capital Partners LLP14,341$228.0K
Bridgefront Capital, LLC12,091$192.5K
Cornercap Investment Counsel Inc12,050$191.8K
O'Shaughnessy Asset Management, LLC11,153$177.6K
Versor Investments LP10,900$173.5K
Prudential Financial Inc10,857$172.1K
Panagora Asset Management Inc10,322$164.3K
Western Wealth Management, LLC10,000$159.2K
Quantbot Technologies LP5,450$86.8K
Archer Investment Corp1,000$15.9K
Greenline Partners, LLC900$14.3K
Harbour Investments, Inc.570$9.07K
GeoWealth Management, LLC521$8.29K
Proequities, Inc.386$6.34K
Newbridge Financial Services Group, Inc.150$2.39K
Bessemer Group Inc125$2.00K
Assetmark, Inc84$1.34K
Valley National Advisers Inc98$1.00K
Nelson, Van Denburg & Campbell Wealth Management Group, LLC54$859
Creekmur Asset Management LLC38$605
Synergy Financial Management, LLC17$235

Not filed for Q1 2025 yet (3)

Institutions that held Magnite, Inc. at the end of Q4 2024 and haven't filed a 13F for Q1 2025. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding MGNI in Q4 2024 that haven't filed for Q1 2025
InstitutionShares, Q4 2024Value, Q4 2024
Nuveen Asset Management, LLC3,942,780$62.8M
Dorchester Wealth Management Co24,000$382.1K
Global Retirement Partners, LLC4,580$72.9K