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 2025
Institutional positions in Magnite, Inc. as of Mar 31, 2025. 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
- 293
- +10 vs. Q4 2024
- Shares held
- 132.9M
- +13.4M (+11.2%) vs. Q4 2024
- Total value
- $1.52B
- −$386.8M (−20.3%) vs. Q4 2024
- New holders
- 52
- 104 more added
- Sold out
- 42
- 97 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 311 | $2.69B |
| Q1 2026 | 297 | $1.56B |
| Q4 2025 | 304 | $2.22B |
| Q3 2025 | 316 | $3.00B |
| Q2 2025 | 287 | $3.54B |
| Q1 2025 | 293 | $1.52B |
| Q4 2024 | 286 | $1.97B |
| Q3 2024 | 280 | $1.65B |
| Q2 2024 | 269 | $1.39B |
| Q1 2024 | 232 | $1.10B |
| Q4 2023 | 217 | $959.0M |
| Q3 2023 | 215 | $780.6M |
| Q2 2023 | 224 | $1.39B |
| Q1 2023 | 224 | $892.4M |
| Q4 2022 | 231 | $988.1M |
| Q3 2022 | 218 | $679.0M |
| Q2 2022 | 231 | $781.6M |
| Q1 2022 | 231 | $1.17B |
| Q4 2021 | 248 | $1.57B |
| Q3 2021 | 279 | $2.52B |
| Q2 2021 | 268 | $2.89B |
| Q1 2021 | 280 | $3.59B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Winthrop Advisory Group LLC | 13,400 | $152.9K | 0.02% | +200+1.5% | Added |
| Marshall Wace, LLP | 13,468 | $153.7K | 0.00% | −783,526−98.3% | Reduced |
| Aigen Investment Management, LP | 13,535 | $154.4K | 0.02% | +13,535 | New |
| Lazard Asset Management LLC | 14,182 | $160.0K | 0.00% | −573−3.9% | Reduced |
| AQR Capital Management LLC | 14,175 | $161.7K | 0.00% | −2,853−16.8% | Reduced |
| BNP Paribas Arbitrage, SA | 14,245 | $162.5K | 0.00% | −16,694−54.0% | Reduced |
| Captrust Financial Advisors | 14,747 | $168.3K | 0.00% | −3,565−19.5% | Reduced |
| Johnson Investment Counsel Inc | 14,909 | $170.1K | 0.00% | −7,059−32.1% | Reduced |
| Prelude Capital Management, LLC | 14,978 | $170.9K | 0.02% | +14,978 | New |
| Public Employees Retirement Association of Colorado | 14,986 | $171.0K | 0.00% | 00.0% | Unchanged |
| Woodmont Investment Counsel LLC | 15,300 | $174.6K | 0.01% | −50−0.3% | Reduced |
| Kapitalo Investimentos Ltda | 15,975 | $182.3K | 0.04% | +15,975 | New |
| Options Solutions, LLC | 16,287 | $185.8K | 0.09% | −15,548−48.8% | Reduced |
| Kestra Advisory Services, LLC | 16,375 | $186.8K | 0.00% | +16,375 | New |
| CenterStar Asset Management, LLC | 16,800 | $191.6K | 0.28% | +16,800 | New |
| Contravisory Investment Management, Inc. | 16,932 | $193.2K | 0.04% | +16,932 | New |
| Centiva Capital, LP | 17,000 | $194.0K | 0.01% | +17,000 | New |
| Creative Planning | 17,718 | $202.2K | 0.00% | +2,471+16.2% | Added |
| Bayforest Capital Ltd | 17,835 | $203.5K | 0.09% | +15,318+608.6% | Added |
| M&T Bank Corp | 18,960 | $216.0K | 0.00% | +4,537+31.5% | Added |
| Quest Partners LLC | 19,077 | $217.7K | 0.02% | +9,073+90.7% | Added |
| Axq Capital, LP | 19,092 | $217.8K | 0.09% | +19,092 | New |
| Jacobs Levy Equity Management, Inc | 19,634 | $224.0K | 0.00% | −119,025−85.8% | Reduced |
| Ledgewood Wealth Advisors, LLC | 19,795 | $225.9K | 0.15% | 00.0% | Unchanged |
| Teacher Retirement System of Texas | 20,439 | $233.2K | 0.00% | +20,439 | New |
| Outlook Wealth Advisors, LLC | 20,474 | $233.6K | 0.06% | −114−0.6% | Reduced |
| Vident Advisory, LLC | 20,989 | $239.5K | 0.00% | +487+2.4% | Added |
| Evanson Asset Management, LLC | 21,171 | $241.6K | 0.02% | 00.0% | Unchanged |
| MML Investors Services, LLC | 21,502 | $245.0K | 0.00% | +21,502 | New |
| Antipodes Partners Ltd | 22,339 | $254.9K | 0.01% | +14,267+176.7% | Added |
| Mount Yale Investment Advisors, LLC | 22,454 | $256.2K | 0.02% | −2,923−11.5% | Reduced |
| HSBC Holdings PLC | 22,673 | $257.1K | 0.00% | −45,046−66.5% | Reduced |
| Pictet Asset Management Holding SA | 22,641 | $258.3K | 0.00% | +2,238+11.0% | Added |
| Scientech Research LLC | 23,901 | $272.7K | 0.07% | +23,901 | New |
| SG Americas Securities, LLC | 24,005 | $274.0K | 0.00% | +24,005 | New |
| KLP Kapitalforvaltning AS | 24,600 | $280.7K | 0.00% | −3,200−11.5% | Reduced |
| Two Sigma Securities, LLC | 24,655 | $281.3K | 0.04% | +24,655 | New |
| Verdence Capital Advisors LLC | 24,770 | $282.6K | 0.02% | +5,748+30.2% | Added |
| Brown Advisory Inc | 25,409 | $289.9K | 0.00% | +25,409 | New |
| Police & Firemen's Retirement System of New Jersey | 26,732 | $305.0K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 27,236 | $310.8K | 0.00% | −8,196−23.1% | Reduced |
| CIBC World Markets Corp | 27,918 | $318.5K | 0.00% | +16,144+137.1% | Added |
| Oppenheimer & Co Inc | 27,925 | $318.6K | 0.00% | +27,925 | New |
| Handelsbanken Fonder AB | 30,100 | $343.0K | 0.00% | 00.0% | Unchanged |
| Griffin Asset Management, Inc. | 30,755 | $350.9K | 0.04% | 00.0% | Unchanged |
| Massar Capital Management, LP | 32,144 | $366.8K | 0.44% | +32,144 | New |
| Comerica Bank | 33,451 | $381.7K | 0.00% | +514+1.6% | Added |
| Cetera Investment Advisers | 33,821 | $385.9K | 0.00% | +10,089+42.5% | Added |
| Fulton Bank, N.A. | 35,215 | $401.8K | 0.02% | −737−2.0% | Reduced |
| Truist Financial Corp | 35,640 | $406.7K | 0.00% | +1,398+4.1% | Added |
| Sanctuary Advisors, LLC | 36,998 | $422.1K | 0.00% | +17,837+93.1% | Added |
| Pitcairn Co | 37,128 | $423.6K | 0.03% | +4,605+14.2% | Added |
| Penbrook Management LLC | 38,170 | $435.5K | 0.33% | −310−0.8% | Reduced |
| State Board of Administration of Florida Retirement System | 38,231 | $436.2K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 38,604 | $441.0K | 0.00% | +6,594+20.6% | Added |
| Wolverine Trading, LLC | 38,715 | $448.9K | 0.01% | −5,823−13.1% | Reduced |
| IMC-Chicago, LLC | 39,631 | $452.2K | 0.02% | −36,779−48.1% | Reduced |
| SEI Investments Co | 39,763 | $453.7K | 0.00% | −6,406−13.9% | Reduced |
| Arizona State Retirement System | 40,330 | $460.2K | 0.00% | +3,484+9.5% | Added |
| HighTower Advisors, LLC | 42,271 | $482.3K | 0.00% | +21,720+105.7% | Added |
| Legato Capital Management LLC | 43,320 | $494.3K | 0.07% | −4,803−10.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 43,989 | $501.9K | 0.00% | +11,827+36.8% | Added |
| Allspring Global Investments Holdings, LLC | 44,947 | $512.8K | 0.00% | +15,762+54.0% | Added |
| STRS Ohio | 47,700 | $544.3K | 0.00% | +16,100+50.9% | Added |
| Radcliffe Capital Management, L.P. | 50,000 | $570.5K | 0.06% | +50,000 | New |
| Cambridge Investment Research Advisors, Inc. | 51,815 | $591.0K | 0.00% | +22,131+74.6% | Added |
| Two Sigma Investments, LP | 53,552 | $611.0K | 0.00% | −44,450−45.4% | Reduced |
| Cardinal Point Capital Management, ULC | 53,800 | $613.9K | 0.06% | +53,800 | New |
| Stifel Financial Corp | 54,295 | $619.5K | 0.00% | −1,827−3.3% | Reduced |
| Janus Henderson Group PLC | 58,423 | $677.4K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 59,508 | $679.0K | 0.00% | 00.0% | Unchanged |
| Pinnacle Associates Ltd | 60,295 | $688.0K | 0.01% | −271,666−81.8% | Reduced |
| Corebridge Financial, Inc. | 61,638 | $703.3K | 0.00% | −914−1.5% | Reduced |
| Calamos Advisors LLC | 65,275 | $744.8K | 0.00% | +30,132+85.7% | Added |
| CIBC World Markets Inc. | 65,543 | $747.8K | 0.00% | +65,543 | New |
| Greenwood Capital Associates LLC | 66,221 | $755.6K | 0.10% | +1,852+2.9% | Added |
| Stephens Inc | 68,872 | $785.8K | 0.01% | −500−0.7% | Reduced |
| Manufacturers Life Insurance Company, The | 73,263 | $835.9K | 0.00% | +1,478+2.1% | Added |
| MetLife Investment Management | 74,805 | $853.5K | 0.00% | −1,188−1.6% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 74,847 | $854.0K | 0.00% | +3,267+4.6% | Added |
| Fox Run Management, L.L.C. | 77,223 | $881.1K | 0.14% | +77,223 | New |
| Gamco Investors, Inc. Et Al | 78,786 | $898.9K | 0.01% | −5,846−6.9% | Reduced |
| Atlas Merchant Capital LLC | 82,500 | $941.3K | 2.36% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 83,710 | $955.1K | 0.02% | −43,832−34.4% | Reduced |
| Riverwater Partners LLC | 84,179 | $960.5K | 0.49% | +100.0% | Added |
| Wells Fargo & Company | 93,929 | $1.07M | 0.00% | −134,089−58.8% | Reduced |
| Price T Rowe Associates Inc | 99,041 | $1.13M | 0.00% | +4,148+4.4% | Added |
| Cerity Partners LLC | 100,150 | $1.14M | 0.00% | −394−0.4% | Reduced |
| Advisor Group Holdings, Inc. | 101,887 | $1.16M | 0.00% | +49,995+96.3% | Added |
| Thrivent Financial for Lutherans | 102,904 | $1.17M | 0.00% | −270.0% | Reduced |
| PEAK6 LLC | 103,167 | $1.18M | 0.05% | +103,167 | New |
| Moody National Bank Trust Division | 104,190 | $1.19M | 0.12% | −6,088−5.5% | Reduced |
| State of New Jersey Common Pension Fund D | 109,356 | $1.25M | 0.01% | +109,356 | New |
| Intech Investment Management LLC | 109,992 | $1.26M | 0.01% | +55,971+103.6% | Added |
| Manatuck Hill Partners, LLC | 112,491 | $1.28M | 0.59% | −29,100−20.6% | Reduced |
| Dynamic Technology Lab Private Ltd | 120,258 | $1.37M | 0.20% | +120,258 | New |
| Victory Capital Management Inc | 121,332 | $1.38M | 0.00% | −1,059,946−89.7% | Reduced |
| LPL Financial LLC | 122,352 | $1.40M | 0.00% | −7,251−5.6% | Reduced |
| Squarepoint Ops LLC | 123,786 | $1.41M | 0.00% | −189,025−60.4% | Reduced |
| Principal Financial Group Inc | 124,547 | $1.42M | 0.00% | +1,474+1.2% | Added |