Skip to main content

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 26 sales; 311 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.

13F holders, Q1 2023

Institutional positions in Magnite, Inc. as of Mar 31, 2023. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
224
−7 vs. Q4 2022
Shares held
96.4M
+3.08M (+3.3%) vs. Q4 2022
Total value
$892.4M
−$95.6M (−9.7%) vs. Q4 2022
New holders
37
72 more added
Sold out
44
68 more reduced

Compare with Q4 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting MGNI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2023: 224 institutions
Q1 2021: 280 institutionsQ2 2021: 268 institutionsQ3 2021: 279 institutionsQ4 2021: 248 institutionsQ1 2022: 231 institutionsQ2 2022: 231 institutionsQ3 2022: 218 institutionsQ4 2022: 231 institutionsQ1 2023: 224 institutionsQ2 2023: 224 institutionsQ3 2023: 215 institutionsQ4 2023: 217 institutionsQ1 2024: 232 institutionsQ2 2024: 269 institutionsQ3 2024: 280 institutionsQ4 2024: 286 institutionsQ1 2025: 293 institutionsQ2 2025: 287 institutionsQ3 2025: 316 institutionsQ4 2025: 304 institutionsQ1 2026: 297 institutionsQ2 2026: 311 institutions
Value heldQ1 2023: $892.4M
Q1 2021: $3.59BQ2 2021: $2.89BQ3 2021: $2.52BQ4 2021: $1.57BQ1 2022: $1.17BQ2 2022: $781.6MQ3 2022: $679.0MQ4 2022: $988.1MQ1 2023: $892.4MQ2 2023: $1.39BQ3 2023: $780.6MQ4 2023: $959.0MQ1 2024: $1.10BQ2 2024: $1.39BQ3 2024: $1.65BQ4 2024: $1.97BQ1 2025: $1.52BQ2 2025: $3.54BQ3 2025: $3.00BQ4 2025: $2.22BQ1 2026: $1.56BQ2 2026: $2.69B
Institutions holding MGNI and their total value by quarter
QuarterHoldersValue
Q2 2026311$2.69B
Q1 2026297$1.56B
Q4 2025304$2.22B
Q3 2025316$3.00B
Q2 2025287$3.54B
Q1 2025293$1.52B
Q4 2024286$1.97B
Q3 2024280$1.65B
Q2 2024269$1.39B
Q1 2024232$1.10B
Q4 2023217$959.0M
Q3 2023215$780.6M
Q2 2023224$1.39B
Q1 2023224$892.4M
Q4 2022231$988.1M
Q3 2022218$679.0M
Q2 2022231$781.6M
Q1 2022231$1.17B
Q4 2021248$1.57B
Q3 2021279$2.52B
Q2 2021268$2.89B
Q1 2021280$3.59B

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2022.

Institutions holding MGNI in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc12,465,271$115.4M0.00%+28,372+0.2%Added
Granahan Investment Management Inc9,133,115$84.6M2.57%−1,320,835−12.6%Reduced
BlackRock Inc.8,851,159$82.0M0.00%+5,272+0.1%Added
Edenbrook Capital, LLC6,893,079$63.8M23.46%00.0%Unchanged
FMR LLC6,804,918$63.0M0.01%+675,387+11.0%Added
Dimensional Fund Advisors LP4,221,231$39.1M0.01%+2,403,904+132.3%Added
Bank of New York Mellon Corp3,813,690$35.3M0.01%+328,202+9.4%Added
State Street Corp2,731,178$25.3M0.00%+49,408+1.8%Added
Frontier Capital Management Co LLC2,676,617$24.8M0.26%+1,090,309+68.7%Added
Geode Capital Management, LLC2,462,541$22.8M0.00%+95,577+4.0%Added
Nuveen Asset Management, LLC2,322,652$21.5M0.01%−744,399−24.3%Reduced
Victory Capital Management Inc1,722,828$16.0M0.02%+465,681+37.0%Added
Kennedy Capital Management, Inc.1,623,214$15.0M0.44%−1,245−0.1%Reduced
Wellington Management Group LLP1,604,597$14.9M0.00%+120,697+8.1%Added
Royce & Associates LP1,534,041$14.2M0.14%+183,491+13.6%Added
Northern Trust Corp1,232,635$11.4M0.00%+8,395+0.7%Added
Parallax Volatility Advisers, L.P.1,176,186$10.9M0.38%−363,474−23.6%Reduced
Norges Bank1,101,286$10.2M0.00%−86,402−7.3%Reduced
Nordea Investment Management AB1,046,227$9.58M0.01%+756,961+261.7%Added
Charles Schwab Investment Management Inc907,084$8.40M0.00%+1,089+0.1%Added
Kopion Asset Management, LLC866,446$8.02M6.98%+80,134+10.2%Added
Citadel Advisors LLC864,861$8.01M0.01%+225,010+35.2%Added
Penn Capital Management Co Inc817,948$7.60M0.76%+801,889+4,993.4%Added
Williams Jones Wealth Management, LLC.820,036$7.59M0.12%+83,371+11.3%Added
Goldman Sachs Group Inc747,990$6.93M0.00%+22,522+3.1%Added
JPMorgan Chase & Co739,389$6.85M0.00%+607,271+459.6%Added
Renaissance Technologies LLC718,054$6.65M0.01%−238,200−24.9%Reduced
New York State Common Retirement Fund704,918$6.53M0.01%+445,618+171.9%Added
Silvercrest Asset Management Group LLC702,389$6.50M0.05%+64,397+10.1%Added
UBS Asset Management Americas Inc647,338$5.99M0.00%−4,320−0.7%Reduced
Meros Investment Management, LP623,255$5.77M3.28%+41,135+7.1%Added
Morgan Stanley549,207$5.09M0.00%−351,172−39.0%Reduced
S Squared Technology, LLC534,090$4.95M2.94%+85,000+18.9%Added
Scout Investments, Inc.508,564$4.71M0.10%−5,785−1.1%Reduced
Cannell Capital LLC506,853$4.69M0.91%+175,086+52.8%Added
Driehaus Capital Management LLC502,631$4.65M0.07%+502,631New
King Luther Capital Management Corp502,314$4.65M0.02%−2,673−0.5%Reduced
Invesco Ltd.493,323$4.57M0.00%+392,662+390.1%Added
P.A.W. Capital Corp440,000$4.07M8.99%−40,000−8.3%Reduced
Bank of America Corp364,193$3.37M0.00%+194,411+114.5%Added
Madison Asset Management, LLC338,252$3.13M0.05%+59,278+21.2%Added
Two Sigma Advisers, LP324,126$3.00M0.01%+21,600+7.1%Added
Fred Alger Management, LLC279,319$2.59M0.01%−57,881−17.2%Reduced
Castleark Management LLC277,780$2.57M0.13%+91,030+48.7%Added
Citigroup Inc268,610$2.49M0.00%−94,697−26.1%Reduced
Ameriprise Financial Inc268,427$2.49M0.00%−2,222−0.8%Reduced
First Eagle Investment Management, LLC260,277$2.41M0.01%−135,128−34.2%Reduced
Swiss National Bank259,100$2.40M0.00%−29,800−10.3%Reduced
Susquehanna International Group, LLP245,886$2.28M0.00%+245,886New
Rhumbline Advisers235,262$2.18M0.00%+6,336+2.8%Added
Qube Research & Technologies Ltd231,372$2.14M0.01%+231,372New
Russell Investments Group, Ltd.196,769$1.82M0.00%+133,269+209.9%Added
Stephens Inc194,834$1.80M0.03%−48,403−19.9%Reduced
Two Sigma Investments, LP192,262$1.78M0.01%+95,223+98.1%Added
Prelude Capital Management, LLC191,360$1.77M0.12%+84,088+78.4%Added
Avalon Investment & Advisory183,854$1.70M0.05%−65,040−26.1%Reduced
Jump Financial, LLC174,408$1.62M0.07%+73,911+73.5%Added
Woodmont Investment Counsel LLC172,852$1.60M0.17%−19,778−10.3%Reduced
State of New Jersey Common Pension Fund D171,328$1.59M0.01%+171,328New
Manatuck Hill Partners, LLC163,500$1.51M0.77%−224,000−57.8%Reduced
SG Americas Securities, LLC159,694$1.48M0.02%+132,598+489.4%Added
California State Teachers Retirement System154,667$1.43M0.00%−2,192−1.4%Reduced
Fuller & Thaler Asset Management, Inc.151,710$1.40M0.01%−120−0.1%Reduced
Deutsche Bank AG151,659$1.40M0.00%−27,102−15.2%Reduced
Lapides Asset Management, LLC150,700$1.40M0.85%+150,700New
Perkins Capital Management Inc133,325$1.24M1.16%−2,750−2.0%Reduced
Alliancebernstein L.P.130,251$1.21M0.00%00.0%Unchanged
Advisory Services Network, LLC114,067$1.06M0.03%+258+0.2%Added
Legal & General Group Plc113,480$1.05M0.00%+5,222+4.8%Added
HighTower Advisors, LLC110,699$1.02M0.00%−681−0.6%Reduced
Millrace Asset Group, Inc.108,747$1.01M1.18%−56,034−34.0%Reduced
Credit Suisse AG106,936$990.2K0.00%−1,689−1.6%Reduced
State of Wisconsin Investment Board106,845$989.4K0.00%−11,971−10.1%Reduced
Aj Wealth Strategies, LLC100,000$926.0K0.05%00.0%Unchanged
Griffin Asset Management, Inc.84,465$782.1K0.11%−38,144−31.1%Reduced
UBS Group AG82,386$762.9K0.00%+1,654+2.0%Added
ClariVest Asset Management LLC81,685$757.0K0.03%−13,940−14.6%Reduced
CM Wealth Advisors LLC84,685$755.0K0.15%+84,685New
Gsa Capital Partners LLP81,356$753.0K0.07%+81,356New
Moody National Bank Trust Division79,959$740.4K0.06%+14,583+22.3%Added
Quantbot Technologies LP77,244$715.3K0.05%+77,244New
Dynamic Technology Lab Private Ltd76,236$706.0K0.07%+46,372+155.3%Added
MetLife Investment Management69,690$645.3K0.00%00.0%Unchanged
Greenwood Capital Associates LLC69,396$642.6K0.09%−14,786−17.6%Reduced
HSBC Holdings PLC67,911$628.9K0.00%−26,800−28.3%Reduced
Barclays PLC67,220$622.5K0.00%+31,682+89.1%Added
American International Group, Inc.63,878$591.5K0.00%+1,272+2.0%Added
Knights of Columbus Asset Advisors LLC63,165$584.9K0.06%00.0%Unchanged
Ensign Peak Advisors, Inc62,510$578.8K0.00%+150+0.2%Added
State Board of Administration of Florida Retirement System61,859$572.8K0.00%+20,448+49.4%Added
Price T Rowe Associates Inc61,702$572.0K0.00%+1,921+3.2%Added
Janus Henderson Group PLC59,250$547.8K0.00%+36,840+164.4%Added
Mirae Asset Global Investments Co., Ltd.58,167$538.6K0.00%00.0%Unchanged
Royal Bank of Canada53,174$492.0K0.00%−53,027−49.9%Reduced
Jane Street Group, LLC53,031$491.1K0.00%−47,819−47.4%Reduced
Manufacturers Life Insurance Company, The52,857$489.5K0.00%+1,886+3.7%Added
Voya Investment Management LLC50,397$466.7K0.00%00.0%Unchanged
CIBC World Markets Inc.48,796$452.0K0.00%00.0%Unchanged
Great Lakes Advisors, LLC46,970$434.9K0.00%+237+0.5%Added
Tudor Investment Corp Et Al46,134$427.0K0.01%−143,882−75.7%Reduced