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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 25 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
Covestor Ltd19$00.00%−2,868−99.3%Reduced
Toronto Dominion Bank7$00.00%+7New
Ellevest, Inc.2$190.00%+2New
Quadrant Capital Group LLC17$1580.00%+17New
Federation des caisses Desjardins du Quebec18$1670.00%00.0%Unchanged
Allworth Financial LP19$1760.00%−121−86.4%Reduced
Parallel Advisors, LLC20$1850.00%00.0%Unchanged
Armstrong Advisory Group, Inc31$2880.00%00.0%Unchanged
Versant Capital Management, Inc32$2960.00%00.0%Unchanged
HM Payson & Co40$3710.00%00.0%Unchanged
Duncker Streett & Co Inc52$4820.00%00.0%Unchanged
Wolverine Asset Management LLC54$5000.00%00.0%Unchanged
Manchester Capital Management LLC57$5280.00%−41−41.8%Reduced
Concord Wealth Partners95$8800.00%00.0%Unchanged
Bogart Wealth, LLC99$9170.00%+99New
Baker Avenue Asset Management, LP100$9260.00%00.0%Unchanged
Valley National Advisers Inc98$1.00K0.00%00.0%Unchanged
The PNC Financial Services Group, Inc.110$1.02K0.00%00.0%Unchanged
First Horizon Advisors, Inc.141$1.30K0.00%00.0%Unchanged
Nalls Sherbakoff Group, LLC149$1.35K0.00%+149New
Brown Brothers Harriman & Co146$1.35K0.00%+146New
Rise Advisors, LLC150$1.39K0.00%00.0%Unchanged
Chesapeake Asset Management LLC150$1.39K0.00%+150New
Abound Wealth Management176$1.63K0.00%00.0%Unchanged
Clearstead Advisors, LLC210$1.95K0.00%00.0%Unchanged
CWM, LLC261$2.00K0.00%00.0%Unchanged
Avion Wealth250$2.00K0.00%00.0%Unchanged
Colonial Trust Co303$2.74K0.00%−85−21.9%Reduced
Proequities, Inc.315$2.92K0.00%−53−14.4%Reduced
Pointe Capital Management LLC324$3.00K0.00%+324New
Tucker Asset Management LLC340$3.15K0.00%+340New
Quarry LP361$3.34K0.00%+361New
Cambridge Trust Co400$3.70K0.00%00.0%Unchanged
Ronald Blue Trust, Inc.397$4.00K0.00%+265+200.8%Added
Steward Partners Investment Advisory, LLC500$4.63K0.00%−300−37.5%Reduced
Orion Capital Management LLC500$4.63K0.00%00.0%Unchanged
Worth Asset Management, LLC500$4.63K0.00%00.0%Unchanged
Halpern Financial, Inc.512$4.74K0.00%00.0%Unchanged
Harbour Investments, Inc.565$5.23K0.00%00.0%Unchanged
Lindbrook Capital, LLC611$5.66K0.00%−166−21.4%Reduced
US Bancorp890$8.24K0.00%+372+71.8%Added
Signaturefd, LLC906$8.39K0.00%−152−14.4%Reduced
GWM Advisors LLC1,040$9.63K0.00%−2,192−67.8%Reduced
Nisa Investment Advisors, LLC1,087$10.0K0.00%00.0%Unchanged
Sugarloaf Wealth Management, LLC1,082$10.0K0.00%00.0%Unchanged
IFP Advisors, Inc1,826$12.1K0.00%+26+1.4%Added
Huntington National Bank1,500$13.9K0.00%00.0%Unchanged
Ameritas Advisory Services, LLC1,739$15.9K0.00%+1,739New
Allspring Global Investments Holdings, LLC1,989$18.4K0.00%+1,989New
Global Retirement Partners, LLC2,480$21.0K0.00%00.0%Unchanged
Shell Asset Management Co2,878$27.0K0.00%−9−0.3%Reduced
Northwestern Mutual Wealth Management Co3,000$27.8K0.00%00.0%Unchanged
Guinness Atkinson Asset Management Inc3,032$28.1K0.02%−379−11.1%Reduced
Whittier Trust Co3,320$30.7K0.00%00.0%Unchanged
Financial Management Professionals, Inc.3,622$34.0K0.01%−1,114−23.5%Reduced
Baldwin Brothers Inc4,000$37.0K0.00%00.0%Unchanged
Banque Cantonale Vaudoise4,243$39.0K0.00%−859−16.8%Reduced
Cutler Group LP5,763$53.0K0.01%−8,569−59.8%Reduced
Great West Life Assurance Co6,005$56.0K0.00%00.0%Unchanged
Kistler-Tiffany Companies, LLC6,200$57.4K0.01%+3,229+108.7%Added
Tower Research Capital LLC (TRC)6,983$65.0K0.00%+6,285+900.4%Added
Metropolitan Life Insurance Co7,151$66.2K0.00%−961−11.8%Reduced
Newbridge Financial Services Group, Inc.7,769$71.9K0.04%+2,669+52.3%Added
STRS Ohio9,900$91.0K0.00%00.0%Unchanged
Ameritas Investment Partners, Inc.9,955$92.2K0.00%00.0%Unchanged
Alps Advisors Inc10,106$93.6K0.00%+10,106New
Weil Company, Inc.10,571$97.9K0.04%−9,500−47.3%Reduced
Fulton Bank, N.A.10,731$99.4K0.01%+10,731New
Gabelli Funds LLC10,820$100.2K0.00%00.0%Unchanged
Marex Group plc11,226$104.0K0.01%+11,226New
Walleye Capital LLC11,608$107.5K0.00%+11,608New
Simplex Trading, LLC11,727$108.0K0.00%−27,701−70.3%Reduced
PEAK6 Investments LLC11,762$108.9K0.01%+11,762New
Walleye Trading LLC11,972$110.9K0.00%+11,972New
State of Wyoming12,054$111.6K0.04%+9,314+339.9%Added
Legato Capital Management LLC12,260$113.5K0.02%+838+7.3%Added
Nebula Research & Development LLC12,485$115.6K0.20%+12,485New
Advisor Group Holdings, Inc.12,546$116.1K0.00%−7,432−37.2%Reduced
Pictet Asset Management SA12,758$118.1K0.00%00.0%Unchanged
Mercer Global Advisors Inc12,836$119.0K0.00%−2,411−15.8%Reduced
Teacher Retirement System of Texas13,352$124.0K0.00%+611+4.8%Added
American Trust13,401$124.1K0.01%+13,401New
Chicago Trust Co NA13,474$124.8K0.03%+16+0.1%Added
Truist Financial Corp13,590$125.8K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.13,867$128.0K0.00%−905−6.1%Reduced
Amalgamated Bank13,990$130.0K0.00%−3,044−17.9%Reduced
Twinbeech Capital LP14,462$133.9K0.00%−54,524−79.0%Reduced
Verdence Capital Advisors LLC14,501$134.3K0.02%+2,561+21.4%Added
Atria Wealth Solutions, Inc.14,820$137.2K0.00%−10,936−42.5%Reduced
Prudent Man Advisors, LLC14,922$138.0K0.05%+14,922New
Public Employees Retirement Association of Colorado14,986$139.0K0.00%00.0%Unchanged
Principal Financial Group Inc15,081$139.7K0.00%+15,081New
ProShare Advisors LLC15,578$144.3K0.00%−1,451−8.5%Reduced
Leonteq Securities AG15,778$146.1K0.01%−892−5.4%Reduced
LPL Financial LLC16,329$151.2K0.00%+1,806+12.4%Added
Commonwealth Equity Services, LLC17,091$158.0K0.00%−2,877−14.4%Reduced
Level Four Advisory Services, LLC17,922$166.0K0.01%+17,922New
Brinker Capital Investments, LLC18,365$170.1K0.00%−223−1.2%Reduced
Orion Portfolio Solutions, LLC18,365$170.1K0.00%+18,365New
Blackhill Capital Inc18,779$173.9K0.02%00.0%Unchanged