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, Q1 2026
Institutional positions in Magnite, Inc. as of Mar 31, 2026. 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
- 297
- −2 vs. Q4 2025
- Shares held
- 131.6M
- +9.78M (+8.0%) vs. Q4 2025
- Total value
- $1.56B
- −$413.1M (−20.9%) vs. Q4 2025
- New holders
- 52
- 114 more added
- Sold out
- 54
- 80 more reduced
5 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Magnite, Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Truist Financial Corp | 12,076 | $143.5K | 0.00% | −9,208−43.3% | Reduced |
| Two Sigma Securities, LLC | 12,031 | $142.9K | 0.02% | +12,031 | New |
| Sciencast Management LP | 11,704 | $139.0K | 0.02% | +11,704 | New |
| Ameritas Investment Partners, Inc. | 11,700 | $139.0K | 0.00% | 00.0% | Unchanged |
| Dark Forest Capital Management LP | 11,687 | $138.8K | 0.01% | +11,687 | New |
| Money Concepts Capital Corp | 11,659 | $138.5K | 0.01% | +11,659 | New |
| M&T Bank Corp | 11,621 | $137.8K | 0.00% | −5,620−32.6% | Reduced |
| Simplex Trading, LLC | 11,316 | $134.4K | 0.00% | −252,046−95.7% | Reduced |
| Cornerstone Wealth Management, LLC | 10,920 | $129.7K | 0.01% | 00.0% | Unchanged |
| Parkside Financial Bank & Trust | 10,813 | $128.5K | 0.01% | +1,401+14.9% | Added |
| Ritholtz Wealth Management | 10,334 | $122.8K | 0.00% | +10,334 | New |
| JustInvest LLC | 10,311 | $122.5K | 0.00% | +10,311 | New |
| Tower Research Capital LLC (TRC) | 9,760 | $115.9K | 0.00% | +2,688+38.0% | Added |
| Advisor Group Holdings, Inc. | 9,713 | $115.4K | 0.00% | −6,816−41.2% | Reduced |
| 1620 Investment Advisors, Inc. | 9,553 | $113.5K | 0.08% | +600+6.7% | Added |
| Murphy & Mullick Capital Management Corp | 8,800 | $104.5K | 0.08% | 00.0% | Unchanged |
| Walleye Capital LLC | 7,633 | $90.7K | 0.00% | −17,924−70.1% | Reduced |
| CWM, LLC | 7,016 | $83.3K | 0.00% | +4,435+171.8% | Added |
| Jones Financial Companies LLLP | 7,064 | $82.3K | 0.00% | +1,573+28.6% | Added |
| Blackhill Capital Inc | 5,991 | $71.2K | 0.00% | 00.0% | Unchanged |
| Optiver Holding B.V. | 5,579 | $66.3K | 0.00% | +5,383+2,746.4% | Added |
| Versant Capital Management, Inc | 5,529 | $65.7K | 0.01% | +4,148+300.4% | Added |
| Rockefeller Capital Management L.P. | 4,782 | $56.8K | 0.00% | −3,620−43.1% | Reduced |
| Nisa Investment Advisors, LLC | 4,578 | $54.4K | 0.00% | +2,709+144.9% | Added |
| KBC Group NV | 4,480 | $53.0K | 0.00% | 00.0% | Unchanged |
| Rachor Investment Advisory Services, LLC | 4,164 | $49.5K | 0.03% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,783 | $44.9K | 0.00% | +1,949+106.3% | Added |
| Acadian Asset Management LLC | 3,686 | $43.0K | 0.00% | +3,686 | New |
| Cetera Trust Company, N.A | 3,110 | $36.9K | 0.02% | 00.0% | Unchanged |
| Northwestern Mutual Wealth Management Co | 3,000 | $35.6K | 0.00% | −201−6.3% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 2,677 | $31.8K | 0.00% | +2,677 | New |
| GAMMA Investing LLC | 2,554 | $30.3K | 0.00% | +469+22.5% | Added |
| Central Pacific Bank - Trust Division | 2,500 | $29.7K | 0.00% | 00.0% | Unchanged |
| Strategic Wealth Partners, Ltd. | 2,492 | $29.6K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 2,254 | $26.8K | 0.00% | −14−0.6% | Reduced |
| Exchange Traded Concepts, LLC | 1,964 | $23.3K | 0.00% | +1,964 | New |
| Smartleaf Asset Management LLC | 1,749 | $20.2K | 0.00% | −1,929−52.4% | Reduced |
| MCF Advisors LLC | 1,500 | $17.8K | 0.00% | 00.0% | Unchanged |
| EFG International AG | 1,500 | $17.8K | 0.00% | 00.0% | Unchanged |
| Pinnacle Wealth Planning Services, Inc. | 1,476 | $17.5K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,440 | $17.1K | 0.00% | −111−7.2% | Reduced |
| Signaturefd, LLC | 1,372 | $16.3K | 0.00% | +201+17.2% | Added |
| US Bancorp | 1,176 | $14.0K | 0.00% | +42+3.7% | Added |
| MAI Capital Management | 1,145 | $13.6K | 0.00% | +63+5.8% | Added |
| Allworth Financial LP | 957 | $11.4K | 0.00% | +513+115.5% | Added |
| Owl Creek Wealth Partners LLC | 945 | $11.2K | 0.00% | +945 | New |
| Sterling Capital Management LLC | 922 | $11.0K | 0.00% | +21+2.3% | Added |
| Larson Financial Group LLC | 880 | $10.5K | 0.00% | −150−14.6% | Reduced |
| Umb Bank N A | 850 | $10.1K | 0.00% | +1+0.1% | Added |
| EverSource Wealth Advisors, LLC | 766 | $9.10K | 0.00% | +382+99.5% | Added |
| Kemnay Advisory Services Inc. | 742 | $8.81K | 0.00% | +742 | New |
| Cassaday & Co Wealth Management LLC | 715 | $8.49K | 0.00% | +715 | New |
| Evelyn Partners Investment Management Services Ltd | 703 | $8.35K | 0.00% | 00.0% | Unchanged |
| Essential Partners LLC | 696 | $8.27K | 0.00% | +679+3,994.1% | Added |
| SBI Securities Co., Ltd. | 679 | $8.07K | 0.00% | −166−19.6% | Reduced |
| CoreCap Advisors, LLC | 524 | $6.22K | 0.00% | +143+37.5% | Added |
| Rossby Financial, LCC | 500 | $5.89K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 462 | $5.00K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Co | 308 | $3.56K | 0.00% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 284 | $3.37K | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 282 | $3.35K | 0.00% | +101+55.8% | Added |
| Farther Finance Advisors, LLC | 246 | $2.90K | 0.00% | +94+61.8% | Added |
| Root Financial Partners, LLC | 228 | $2.71K | 0.00% | +146+178.0% | Added |
| Abound Wealth Management | 176 | $2.09K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 172 | $2.04K | 0.00% | +61+55.0% | Added |
| McIlrath & Eck, LLC | 160 | $1.90K | 0.00% | 00.0% | Unchanged |
| Anchor Investment Management, LLC | 150 | $1.78K | 0.00% | 00.0% | Unchanged |
| Fortitude Family Office, LLC | 130 | $1.54K | 0.00% | −394−75.2% | Reduced |
| International Assets Investment Management, LLC | 110 | $1.30K | 0.00% | 00.0% | Unchanged |
| Bruce G. Allen Investments, LLC | 108 | $1.28K | 0.00% | +12+12.5% | Added |
| Covestor Ltd | 90 | $1.00K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 83 | $987 | 0.00% | +75+937.5% | Added |
| Gill Capital Partners, LLC | 75 | $891 | 0.00% | +75 | New |
| Federated Hermes, Inc. | 71 | $843 | 0.00% | −172,876−100.0% | Reduced |
| CVA Family Office, LLC | 70 | $832 | 0.00% | +70 | New |
| Duncker Streett & Co Inc | 52 | $618 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 49 | $582 | 0.00% | 00.0% | Unchanged |
| Glen Eagle Advisors, LLC | 49 | $582 | 0.00% | 00.0% | Unchanged |
| Steward Partners Investment Advisory, LLC | 40 | $475 | 0.00% | −7,420−99.5% | Reduced |
| GWM Advisors LLC | 35 | $416 | 0.00% | +35 | New |
| True Wealth Design, LLC | 32 | $381 | 0.00% | −34−51.5% | Reduced |
| Twin Peaks Wealth Advisors, LLC | 29 | $345 | 0.00% | +29 | New |
| JFS Wealth Advisors, LLC | 23 | $274 | 0.00% | +9+64.3% | Added |
| Keating Financial Advisory Services, Inc. | 20 | $238 | 0.00% | +1+5.3% | Added |
| Assetmark, Inc | 18 | $214 | 0.00% | 00.0% | Unchanged |
| Clearstead Advisors, LLC | 14 | $167 | 0.00% | −6,517−99.8% | Reduced |
| DHJJ Financial Advisors, Ltd. | 13 | $155 | 0.00% | 00.0% | Unchanged |
| Rialto Wealth Management, LLC | 13 | $155 | 0.00% | +6+85.7% | Added |
| Ancora Advisors, LLC | 11 | $131 | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 11 | $131 | 0.00% | +11 | New |
| Wealth Preservation Advisors, LLC | 8 | $95 | 0.00% | +8 | New |
| Truvestments Capital LLC | 5 | $59 | 0.00% | 00.0% | Unchanged |
| Dunhill Financial, LLC | 4 | $49 | 0.00% | 00.0% | Unchanged |
| Hughes Financial Services, LLC | 3 | $36 | 0.00% | −48−94.1% | Reduced |
| DiNuzzo Private Wealth, Inc. | 1 | $12 | 0.00% | −14−93.3% | Reduced |
| Kilter Group LLC | 1 | $12 | 0.00% | +1 | New |
| Avion Wealth | 49 | $0 | 0.00% | 00.0% | Unchanged |
| Stephens Investment Management Group LLC | 0 | $0 | 0.00% | −1,128,578−100.0% | Sold out |
| Frontier Capital Management Co LLC | 0 | $0 | 0.00% | −944,701−100.0% | Sold out |
| J. Goldman & Co LP | 0 | $0 | 0.00% | −782,837−100.0% | Sold out |