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

13F holders, Q2 2023

Institutional positions in Magnite, Inc. as of Jun 30, 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
+1 vs. Q1 2023
Shares held
101.7M
+5.52M (+5.7%) vs. Q1 2023
Total value
$1.39B
+$495.6M (+55.6%) vs. Q1 2023
New holders
35
72 more added
Sold out
34
64 more reduced

1 institution that held it in Q1 2023 haven't filed for Q2 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2023: 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 holdersQ2 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 heldQ2 2023: $1.39B
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, Q2 2023

Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q1 2023.

Institutions holding MGNI in Q2 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc12,427,197$169.6M0.00%−38,074−0.3%Reduced
BlackRock Inc.9,069,241$123.8M0.00%+218,082+2.5%Added
Granahan Investment Management Inc7,552,994$103.1M3.17%−1,580,121−17.3%Reduced
FMR LLC7,321,182$99.9M0.01%+516,264+7.6%Added
Edenbrook Capital, LLC5,952,016$81.2M24.66%−941,063−13.7%Reduced
Dimensional Fund Advisors LP4,937,720$67.4M0.02%+716,489+17.0%Added
Bank of New York Mellon Corp3,488,460$47.6M0.01%−325,230−8.5%Reduced
State Street Corp2,759,858$37.7M0.00%+28,680+1.1%Added
Kennedy Capital Management, Inc.2,618,004$35.7M0.83%+994,790+61.3%Added
Geode Capital Management, LLC2,562,116$35.0M0.00%+99,575+4.0%Added
Nuveen Asset Management, LLC2,419,714$33.0M0.01%+97,062+4.2%Added
Rubric Capital Management LP2,214,022$30.2M1.29%+2,214,022New
Wellington Management Group LLP2,092,267$28.6M0.01%+487,670+30.4%Added
Victory Capital Management Inc2,030,810$27.7M0.03%+307,982+17.9%Added
Driehaus Capital Management LLC2,000,168$27.3M0.34%+1,497,537+297.9%Added
Frontier Capital Management Co LLC1,789,159$24.4M0.23%−887,458−33.2%Reduced
Royce & Associates LP1,527,041$20.8M0.20%−7,000−0.5%Reduced
Northern Trust Corp1,347,156$18.4M0.00%+114,521+9.3%Added
JPMorgan Chase & Co1,117,406$15.3M0.00%+378,017+51.1%Added
Nordea Investment Management AB1,014,367$14.1M0.02%−31,860−3.0%Reduced
Norges Bank1,020,182$13.9M0.00%−81,104−7.4%Reduced
New York State Common Retirement Fund940,686$12.8M0.02%+235,768+33.4%Added
Charles Schwab Investment Management Inc924,670$12.6M0.00%+17,586+1.9%Added
Williams Jones Wealth Management, LLC.918,205$12.5M0.19%+98,169+12.0%Added
Penn Capital Management Co Inc918,093$12.5M1.22%+100,145+12.2%Added
Silvercrest Asset Management Group LLC823,042$11.2M0.08%+120,653+17.2%Added
Parallax Volatility Advisers, L.P.789,837$10.8M0.37%−386,349−32.8%Reduced
G2 Investment Partners Management LLC756,036$10.3M2.53%+756,036New
Meros Investment Management, LP717,666$9.80M4.86%+94,411+15.1%Added
Cannell Capital LLC646,404$8.82M1.76%+139,551+27.5%Added
Engle Capital Management, L.P.622,000$8.49M2.63%+622,000New
Goldman Sachs Group Inc608,823$8.31M0.00%−139,167−18.6%Reduced
Kopion Asset Management, LLC603,231$8.23M6.97%−263,215−30.4%Reduced
Lisanti Capital Growth, LLC601,430$8.21M1.14%+601,430New
Morgan Stanley591,899$8.08M0.00%+42,692+7.8%Added
S Squared Technology, LLC540,746$7.38M3.65%+6,656+1.2%Added
Scout Investments, Inc.493,871$7.22M0.15%−14,693−2.9%Reduced
King Luther Capital Management Corp509,342$6.95M0.03%+7,028+1.4%Added
UBS Asset Management Americas Inc647,338$5.99M0.00%00.0%Unchanged
Two Sigma Investments, LP409,830$5.59M0.01%+217,568+113.2%Added
Castleark Management LLC409,820$5.59M0.25%+132,040+47.5%Added
First Eagle Investment Management, LLC407,777$5.57M0.01%+147,500+56.7%Added
P.A.W. Capital Corp400,000$5.46M11.21%−40,000−9.1%Reduced
iA Global Asset Management Inc.356,730$4.87M0.13%+356,730New
Oberweis Asset Management Inc340,700$4.65M0.57%+340,700New
Madison Asset Management, LLC338,900$4.63M0.07%+648+0.2%Added
Millrace Asset Group, Inc.299,588$4.09M4.28%+190,841+175.5%Added
Renaissance Technologies LLC296,754$4.05M0.01%−421,300−58.7%Reduced
Swiss National Bank294,000$4.01M0.00%+34,900+13.5%Added
Citadel Advisors LLC290,226$3.96M0.00%−574,635−66.4%Reduced
Fred Alger Management, LLC272,714$3.72M0.02%−6,605−2.4%Reduced
Two Sigma Advisers, LP268,226$3.66M0.01%−55,900−17.2%Reduced
Ameriprise Financial Inc266,110$3.63M0.00%−2,317−0.9%Reduced
Squarepoint Ops LLC261,280$3.57M0.02%+261,280New
Credit Suisse AG236,891$3.23M0.00%+129,955+121.5%Added
Rhumbline Advisers219,887$3.00M0.00%−15,375−6.5%Reduced
Prelude Capital Management, LLC214,276$2.92M0.24%+22,916+12.0%Added
Citigroup Inc202,168$2.76M0.00%−66,442−24.7%Reduced
State of New Jersey Common Pension Fund D201,669$2.75M0.01%+30,341+17.7%Added
Bank of America Corp187,506$2.56M0.00%−176,687−48.5%Reduced
Woodmont Investment Counsel LLC178,209$2.43M0.25%+5,357+3.1%Added
Lapides Asset Management, LLC172,400$2.35M1.54%+21,700+14.4%Added
First Trust Advisors LP171,442$2.34M0.00%+171,442New
Manatuck Hill Partners, LLC163,500$2.23M1.06%00.0%Unchanged
California State Teachers Retirement System163,403$2.23M0.00%+8,736+5.6%Added
Fuller & Thaler Asset Management, Inc.151,045$2.06M0.01%−665−0.4%Reduced
Jane Street Group, LLC143,581$1.96M0.00%+90,550+170.7%Added
Deutsche Bank AG139,068$1.90M0.00%−12,591−8.3%Reduced
Perkins Capital Management Inc133,325$1.82M1.59%00.0%Unchanged
State of Wisconsin Investment Board132,999$1.82M0.01%+26,154+24.5%Added
Invesco Ltd.132,539$1.81M0.00%−360,784−73.1%Reduced
Alliancebernstein L.P.130,251$1.78M0.00%00.0%Unchanged
Legal & General Group Plc120,585$1.65M0.00%+7,105+6.3%Added
Stephens Inc119,738$1.63M0.03%−75,096−38.5%Reduced
Advisory Services Network, LLC113,919$1.55M0.04%−148−0.1%Reduced
UBS Group AG108,864$1.49M0.00%+26,478+32.1%Added
HighTower Advisors, LLC102,274$1.40M0.00%−8,425−7.6%Reduced
Russell Investments Group, Ltd.101,751$1.39M0.00%−95,018−48.3%Reduced
Aj Wealth Strategies, LLC100,000$1.36M0.07%00.0%Unchanged
Boothbay Fund Management, LLC86,181$1.18M0.04%+86,181New
Griffin Asset Management, Inc.84,465$1.15M0.16%00.0%Unchanged
1492 Capital Management LLC78,974$1.08M0.63%+78,974New
ClariVest Asset Management LLC75,928$1.04M0.05%−5,757−7.0%Reduced
Moody National Bank Trust Division72,626$991.3K0.07%−7,333−9.2%Reduced
Quantbot Technologies LP72,209$985.7K0.06%−5,035−6.5%Reduced
MetLife Investment Management70,673$964.7K0.01%+983+1.4%Added
American Century Companies Inc69,995$955.4K0.00%+32,428+86.3%Added
Wells Fargo & Company69,804$952.8K0.00%+24,855+55.3%Added
Greenwood Capital Associates LLC68,129$930.0K0.13%−1,267−1.8%Reduced
Price T Rowe Associates Inc67,128$917.0K0.00%+5,426+8.8%Added
Franklin Resources Inc64,743$883.7K0.00%+64,743New
American International Group, Inc.64,478$880.1K0.01%+600+0.9%Added
Knights of Columbus Asset Advisors LLC63,165$862.2K0.08%00.0%Unchanged
Ensign Peak Advisors, Inc62,510$853.3K0.00%00.0%Unchanged
Alpha DNA Investment Management LLC60,923$831.6K0.47%+60,923New
Janus Henderson Group PLC59,118$806.4K0.00%−132−0.2%Reduced
Mirae Asset Global Investments Co., Ltd.58,167$794.0K0.00%00.0%Unchanged
Manufacturers Life Insurance Company, The53,695$732.9K0.00%+838+1.6%Added
Voya Investment Management LLC52,880$721.8K0.00%+2,483+4.9%Added
Legato Capital Management LLC51,250$699.6K0.09%+38,990+318.0%Added