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 24 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 |
|---|---|---|---|---|---|
| Quest Partners LLC | 13,491 | $293.8K | 0.02% | +1,044+8.4% | Added |
| Captrust Financial Advisors | 13,248 | $288.5K | 0.00% | −3,337−20.1% | Reduced |
| M&T Bank Corp | 12,750 | $278.2K | 0.00% | −3,845−23.2% | Reduced |
| Marshall Wace, LLP | 12,648 | $275.5K | 0.00% | +12,648 | New |
| Cambridge Investment Research Advisors, Inc. | 12,557 | $273.0K | 0.00% | −10,801−46.2% | Reduced |
| HCR Wealth Advisors | 13,000 | $261.6K | 0.03% | 00.0% | Unchanged |
| ARS Investment Partners, LLC | 12,000 | $261.4K | 0.02% | −10,500−46.7% | Reduced |
| Point72 (DIFC) Ltd | 11,770 | $256.3K | 0.02% | +11,770 | New |
| Ameritas Investment Partners, Inc. | 11,700 | $254.8K | 0.01% | −2,599−18.2% | Reduced |
| Blackhill Capital Inc | 11,622 | $253.1K | 0.01% | 00.0% | Unchanged |
| Xponance, Inc. | 10,984 | $239.2K | 0.00% | +65+0.6% | Added |
| Cornerstone Wealth Management, LLC | 10,920 | $237.8K | 0.01% | 00.0% | Unchanged |
| Gabelli Funds LLC | 10,820 | $235.7K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 10,754 | $234.2K | 0.01% | −4,311−28.6% | Reduced |
| O'Shaughnessy Asset Management, LLC | 10,677 | $232.5K | 0.00% | +10,677 | New |
| Wolverine Trading, LLC | 10,259 | $228.6K | 0.00% | −4,016−28.1% | Reduced |
| Benjamin Edwards Inc | 10,155 | $221.2K | 0.00% | +1,180+13.1% | Added |
| Intrust Bank NA | 10,002 | $217.8K | 0.02% | +10,002 | New |
| Cetera Trust Company, N.A | 9,860 | $214.8K | 0.12% | +9,860 | New |
| Parkside Financial Bank & Trust | 9,464 | $206.1K | 0.02% | −2,509−21.0% | Reduced |
| National Wealth Management Group, LLC | 9,221 | $200.8K | 0.08% | +9,221 | New |
| 1858 Wealth Management, LLC | 9,212 | $200.6K | 0.14% | −4,858−34.5% | Reduced |
| 1620 Investment Advisors, Inc. | 8,803 | $191.7K | 0.13% | −2,431−21.6% | Reduced |
| OP Asset Management Ltd | 8,230 | $179.2K | 0.00% | +8,230 | New |
| Murphy & Mullick Capital Management Corp | 8,800 | $157.0K | 0.12% | +515+6.2% | Added |
| Farther Finance Advisors, LLC | 6,482 | $141.2K | 0.00% | +22+0.3% | Added |
| Jones Financial Companies LLLP | 6,103 | $135.1K | 0.00% | −123−2.0% | Reduced |
| Bayforest Capital Ltd | 6,201 | $135.1K | 0.06% | +6,201 | New |
| Shell Asset Management Co | 4,609 | $100.0K | 0.01% | −5,578−54.8% | Reduced |
| KBC Group NV | 4,480 | $98.0K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 4,336 | $94.0K | 0.00% | 00.0% | Unchanged |
| Smithfield Trust Co | 4,140 | $91.0K | 0.00% | −1,790−30.2% | Reduced |
| Quantbot Technologies LP | 4,047 | $88.1K | 0.00% | +4,047 | New |
| Johnson Financial Group, Inc. | 3,818 | $83.2K | 0.00% | +3,818 | New |
| Point72 Hong Kong Ltd | 3,639 | $79.3K | 0.00% | +3,639 | New |
| Global Retirement Partners, LLC | 3,280 | $71.4K | 0.00% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 3,000 | $65.3K | 0.00% | 00.0% | Unchanged |
| Canada Pension Plan Investment Board | 2,800 | $61.0K | 0.00% | +2,800 | New |
| Nisa Investment Advisors, LLC | 2,780 | $60.5K | 0.00% | 00.0% | Unchanged |
| Westfuller Advisors, LLC | 2,570 | $56.0K | 0.03% | +2,570 | New |
| AllSquare Wealth Management LLC | 2,540 | $55.3K | 0.03% | −2,742−51.9% | Reduced |
| The PNC Financial Services Group, Inc. | 2,428 | $52.9K | 0.00% | +755+45.1% | Added |
| Strategic Wealth Partners, Ltd. | 2,422 | $52.8K | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 2,227 | $48.5K | 0.00% | −581−20.7% | Reduced |
| Huntington National Bank | 2,189 | $47.7K | 0.00% | +76+3.6% | Added |
| CWM, LLC | 2,069 | $45.0K | 0.00% | +294+16.6% | Added |
| Strategic Advocates LLC | 1,922 | $41.9K | 0.01% | +1,922 | New |
| Smartleaf Asset Management LLC | 1,854 | $41.3K | 0.00% | −1,533−45.3% | Reduced |
| USA Financial Portformulas Corp | 1,835 | $40.0K | 0.01% | +1,835 | New |
| GAMMA Investing LLC | 1,810 | $39.4K | 0.00% | +293+19.3% | Added |
| State of Wyoming | 1,774 | $38.6K | 0.00% | +1,774 | New |
| MTM Investment Management, LLC | 1,646 | $35.9K | 0.01% | −750−31.3% | Reduced |
| US Bancorp | 1,596 | $34.8K | 0.00% | +688+75.8% | Added |
| Aster Capital Management (DIFC) Ltd | 1,594 | $34.7K | 0.02% | −2,219−58.2% | Reduced |
| MCF Advisors LLC | 1,500 | $32.7K | 0.00% | −700−31.8% | Reduced |
| Banque Cantonale Vaudoise | 1,369 | $30.0K | 0.00% | 00.0% | Unchanged |
| MAI Capital Management | 1,344 | $29.3K | 0.00% | −250−15.7% | Reduced |
| NBC Securities, Inc. | 1,319 | $28.7K | 0.00% | −126−8.7% | Reduced |
| Rockefeller Capital Management L.P. | 1,266 | $27.6K | 0.00% | +1,266 | New |
| Neo Ivy Capital Management | 1,234 | $26.9K | 0.01% | +1,234 | New |
| Point72 Asia (Singapore) Pte. Ltd. | 1,210 | $26.4K | 0.00% | +1,210 | New |
| Signaturefd, LLC | 1,171 | $25.5K | 0.00% | −850−42.1% | Reduced |
| Versant Capital Management, Inc | 1,085 | $23.6K | 0.00% | 00.0% | Unchanged |
| HighMark Wealth Management LLC | 1,000 | $21.8K | 0.01% | −500−33.3% | Reduced |
| Larson Financial Group LLC | 930 | $20.3K | 0.00% | +136+17.1% | Added |
| Umb Bank N A | 845 | $18.4K | 0.00% | −71−7.8% | Reduced |
| SBI Securities Co., Ltd. | 828 | $18.0K | 0.00% | −567−40.6% | Reduced |
| Evelyn Partners Investment Management Services Ltd | 703 | $15.3K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 575 | $12.5K | 0.00% | +9+1.6% | Added |
| Allworth Financial LP | 565 | $12.3K | 0.00% | +17+3.1% | Added |
| Rossby Financial, LCC | 500 | $10.2K | 0.00% | +500 | New |
| Bessemer Group Inc | 462 | $10.0K | 0.00% | 00.0% | Unchanged |
| Raleigh Capital Management Inc. | 432 | $9.41K | 0.00% | −220−33.7% | Reduced |
| Optiver Holding B.V. | 424 | $9.23K | 0.00% | −168−28.4% | Reduced |
| EverSource Wealth Advisors, LLC | 401 | $8.73K | 0.00% | −15−3.6% | Reduced |
| Assetmark, Inc | 385 | $8.38K | 0.00% | +367+2,038.9% | Added |
| Parallel Advisors, LLC | 366 | $7.97K | 0.00% | 00.0% | Unchanged |
| Sterling Capital Management LLC | 339 | $7.38K | 0.00% | +1+0.3% | Added |
| CoreCap Advisors, LLC | 310 | $6.75K | 0.00% | +310 | New |
| Rothschild Investment LLC | 220 | $4.79K | 0.00% | −50−18.5% | Reduced |
| Colonial Trust Co | 185 | $4.12K | 0.00% | −68−26.9% | Reduced |
| Abound Wealth Management | 176 | $3.83K | 0.00% | 00.0% | Unchanged |
| McIlrath & Eck, LLC | 160 | $3.48K | 0.00% | +60+60.0% | Added |
| Anchor Investment Management, LLC | 150 | $3.27K | 0.00% | +150 | New |
| Richard W. Paul & Associates, LLC | 147 | $3.20K | 0.00% | −101−40.7% | Reduced |
| SRS Capital Advisors, Inc. | 139 | $3.03K | 0.00% | +139 | New |
| Pineridge Advisors LLC | 137 | $2.98K | 0.00% | −69−33.5% | Reduced |
| Bay Harbor Wealth Management, LLC | 121 | $2.63K | 0.00% | −61−33.5% | Reduced |
| Quarry LP | 99 | $2.16K | 0.00% | +99 | New |
| Bruce G. Allen Investments, LLC | 98 | $2.13K | 0.00% | −23−19.0% | Reduced |
| Leonteq Securities AG | 96 | $2.09K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 90 | $2.00K | 0.00% | −2,550−96.6% | Reduced |
| ORG Partners LLC | 65 | $1.42K | 0.00% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 59 | $1.28K | 0.00% | +59 | New |
| Duncker Streett & Co Inc | 52 | $1.13K | 0.00% | 00.0% | Unchanged |
| CIBC Private Wealth Group, LLC | 51 | $1.11K | 0.00% | 00.0% | Unchanged |
| Glen Eagle Advisors, LLC | 49 | $1.07K | 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 |
| Steward Partners Investment Advisory, LLC | 40 | $871 | 0.00% | 00.0% | Unchanged |