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, Q3 2025
Institutional positions in Magnite, Inc. as of Sep 30, 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
- 316
- +31 vs. Q2 2025
- Shares held
- 138.0M
- −8.85M (−6.0%) vs. Q2 2025
- Total value
- $3.00B
- −$536.4M (−15.2%) vs. Q2 2025
- New holders
- 71
- 83 more added
- Sold out
- 40
- 124 more reduced
2 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2025: 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, Q3 2025
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| FNY Investment Advisers, LLC | 14 | $0 | 0.00% | −7,848−99.8% | Reduced |
| Cloud Capital Management, LLC | 6 | $0 | 0.00% | +6 | New |
| HFM Investment Advisors, LLC | 1 | $22 | 0.00% | +1 | New |
| SJS Investment Consulting Inc. | 2 | $44 | 0.00% | +2 | New |
| Rialto Wealth Management, LLC | 3 | $66 | 0.00% | +3 | New |
| Truvestments Capital LLC | 5 | $109 | 0.00% | +5 | New |
| IFP Advisors, Inc | 6 | $131 | 0.00% | +6 | Added |
| Caitong International Asset Management Co., Ltd | 7 | $152 | 0.00% | +7 | New |
| Wealthspire Advisors, LLC | 8 | $174 | 0.00% | +8 | New |
| Abich Financial Wealth Management LLC | 9 | $196 | 0.00% | +9 | New |
| Ancora Advisors, LLC | 11 | $240 | 0.00% | 00.0% | Unchanged |
| DHJJ Financial Advisors, Ltd. | 13 | $284 | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 18 | $393 | 0.00% | +18 | New |
| Rise Advisors, LLC | 22 | $479 | 0.00% | +22 | New |
| Essential Partners LLC | 26 | $566 | 0.00% | +26 | New |
| Hughes Financial Services, LLC | 51 | $743 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 40 | $871 | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 49 | $1.00K | 0.00% | 00.0% | Unchanged |
| Hemington Wealth Management | 67 | $1.00K | 0.00% | +67 | New |
| Glen Eagle Advisors, LLC | 49 | $1.07K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 51 | $1.11K | 0.00% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 52 | $1.13K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 59 | $1.28K | 0.00% | +59 | New |
| ORG Partners LLC | 65 | $1.42K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 90 | $2.00K | 0.00% | −2,550−96.6% | Reduced |
| Leonteq Securities AG | 96 | $2.09K | 0.00% | 00.0% | Unchanged |
| Bruce G. Allen Investments, LLC | 98 | $2.13K | 0.00% | −23−19.0% | Reduced |
| Quarry LP | 99 | $2.16K | 0.00% | +99 | New |
| Bay Harbor Wealth Management, LLC | 121 | $2.63K | 0.00% | −61−33.5% | Reduced |
| Pineridge Advisors LLC | 137 | $2.98K | 0.00% | −69−33.5% | Reduced |
| SRS Capital Advisors, Inc. | 139 | $3.03K | 0.00% | +139 | New |
| Richard W. Paul & Associates, LLC | 147 | $3.20K | 0.00% | −101−40.7% | Reduced |
| Anchor Investment Management, LLC | 150 | $3.27K | 0.00% | +150 | New |
| McIlrath & Eck, LLC | 160 | $3.48K | 0.00% | +60+60.0% | Added |
| Abound Wealth Management | 176 | $3.83K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Co | 185 | $4.12K | 0.00% | −68−26.9% | Reduced |
| Rothschild Investment LLC | 220 | $4.79K | 0.00% | −50−18.5% | Reduced |
| CoreCap Advisors, LLC | 310 | $6.75K | 0.00% | +310 | New |
| Sterling Capital Management LLC | 339 | $7.38K | 0.00% | +1+0.3% | Added |
| Parallel Advisors, LLC | 366 | $7.97K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 385 | $8.38K | 0.00% | +367+2,038.9% | Added |
| EverSource Wealth Advisors, LLC | 401 | $8.73K | 0.00% | −15−3.6% | Reduced |
| Optiver Holding B.V. | 424 | $9.23K | 0.00% | −168−28.4% | Reduced |
| Raleigh Capital Management Inc. | 432 | $9.41K | 0.00% | −220−33.7% | Reduced |
| Bessemer Group Inc | 462 | $10.0K | 0.00% | 00.0% | Unchanged |
| Rossby Financial, LCC | 500 | $10.2K | 0.00% | +500 | New |
| Allworth Financial LP | 565 | $12.3K | 0.00% | +17+3.1% | Added |
| Fortitude Family Office, LLC | 575 | $12.5K | 0.00% | +9+1.6% | Added |
| Evelyn Partners Investment Management Services Ltd | 703 | $15.3K | 0.00% | 00.0% | Unchanged |
| SBI Securities Co., Ltd. | 828 | $18.0K | 0.00% | −567−40.6% | Reduced |
| Umb Bank N A | 845 | $18.4K | 0.00% | −71−7.8% | Reduced |
| Larson Financial Group LLC | 930 | $20.3K | 0.00% | +136+17.1% | Added |
| HighMark Wealth Management LLC | 1,000 | $21.8K | 0.01% | −500−33.3% | Reduced |
| Versant Capital Management, Inc | 1,085 | $23.6K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,171 | $25.5K | 0.00% | −850−42.1% | Reduced |
| Point72 Asia (Singapore) Pte. Ltd. | 1,210 | $26.4K | 0.00% | +1,210 | New |
| Neo Ivy Capital Management | 1,234 | $26.9K | 0.01% | +1,234 | New |
| Rockefeller Capital Management L.P. | 1,266 | $27.6K | 0.00% | +1,266 | New |
| NBC Securities, Inc. | 1,319 | $28.7K | 0.00% | −126−8.7% | Reduced |
| MAI Capital Management | 1,344 | $29.3K | 0.00% | −250−15.7% | Reduced |
| Banque Cantonale Vaudoise | 1,369 | $30.0K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 1,500 | $32.7K | 0.00% | −700−31.8% | Reduced |
| Aster Capital Management (DIFC) Ltd | 1,594 | $34.7K | 0.02% | −2,219−58.2% | Reduced |
| US Bancorp | 1,596 | $34.8K | 0.00% | +688+75.8% | Added |
| MTM Investment Management, LLC | 1,646 | $35.9K | 0.01% | −750−31.3% | Reduced |
| State of Wyoming | 1,774 | $38.6K | 0.00% | +1,774 | New |
| GAMMA Investing LLC | 1,810 | $39.4K | 0.00% | +293+19.3% | Added |
| USA Financial Portformulas Corp | 1,835 | $40.0K | 0.01% | +1,835 | New |
| Smartleaf Asset Management LLC | 1,854 | $41.3K | 0.00% | −1,533−45.3% | Reduced |
| Strategic Advocates LLC | 1,922 | $41.9K | 0.01% | +1,922 | New |
| CWM, LLC | 2,069 | $45.0K | 0.00% | +294+16.6% | Added |
| Huntington National Bank | 2,189 | $47.7K | 0.00% | +76+3.6% | Added |
| Clearstead Advisors, LLC | 2,227 | $48.5K | 0.00% | −581−20.7% | Reduced |
| Strategic Wealth Partners, Ltd. | 2,422 | $52.8K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 2,428 | $52.9K | 0.00% | +755+45.1% | Added |
| AllSquare Wealth Management LLC | 2,540 | $55.3K | 0.03% | −2,742−51.9% | Reduced |
| Westfuller Advisors, LLC | 2,570 | $56.0K | 0.03% | +2,570 | New |
| Nisa Investment Advisors, LLC | 2,780 | $60.5K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 2,800 | $61.0K | 0.00% | +2,800 | New |
| Northwestern Mutual Wealth Management Co | 3,000 | $65.3K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 3,280 | $71.4K | 0.00% | 00.0% | Unchanged |
| Point72 Hong Kong Ltd | 3,639 | $79.3K | 0.00% | +3,639 | New |
| Johnson Financial Group, Inc. | 3,818 | $83.2K | 0.00% | +3,818 | New |
| Quantbot Technologies LP | 4,047 | $88.1K | 0.00% | +4,047 | New |
| Smithfield Trust Co | 4,140 | $91.0K | 0.00% | −1,790−30.2% | Reduced |
| Amalgamated Bank | 4,336 | $94.0K | 0.00% | 00.0% | Unchanged |
| KBC Group NV | 4,480 | $98.0K | 0.00% | 00.0% | Unchanged |
| Shell Asset Management Co | 4,609 | $100.0K | 0.01% | −5,578−54.8% | Reduced |
| Bayforest Capital Ltd | 6,201 | $135.1K | 0.06% | +6,201 | New |
| Jones Financial Companies LLLP | 6,103 | $135.1K | 0.00% | −123−2.0% | Reduced |
| Farther Finance Advisors, LLC | 6,482 | $141.2K | 0.00% | +22+0.3% | Added |
| Murphy & Mullick Capital Management Corp | 8,800 | $157.0K | 0.12% | +515+6.2% | Added |
| OP Asset Management Ltd | 8,230 | $179.2K | 0.00% | +8,230 | New |
| 1620 Investment Advisors, Inc. | 8,803 | $191.7K | 0.13% | −2,431−21.6% | Reduced |
| 1858 Wealth Management, LLC | 9,212 | $200.6K | 0.14% | −4,858−34.5% | Reduced |
| National Wealth Management Group, LLC | 9,221 | $200.8K | 0.08% | +9,221 | New |
| Parkside Financial Bank & Trust | 9,464 | $206.1K | 0.02% | −2,509−21.0% | Reduced |
| Cetera Trust Company, N.A | 9,860 | $214.8K | 0.12% | +9,860 | New |
| Intrust Bank NA | 10,002 | $217.8K | 0.02% | +10,002 | New |
| Benjamin Edwards Inc | 10,155 | $221.2K | 0.00% | +1,180+13.1% | Added |