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 15 sales; 314 institutions reported holding it in 13F filings for Q2 2026, worth $2.69B in total; no superinvestor holds it.
Key figures
- Market capClose on Nov 10, 2026
- $4.09B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $6.40M in total
- 15
- 13F holdersQ2 2026, +18 vs. previous quarter
- 314
- 13F valueReported value at the end of Q2 2026
- $2.69B
- Superinvestors holdingAt the end of Q2 2026
- 0
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $714.0M
- +6.9% year over year
- Net income, FY2025
- $144.6M
- +534.7% year over year
- Free cash flow, FY2025
- $165.6M
- −18.2% year over year
- Revenue, Q3 FY2026
- $204.2M
- +13.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 30, 2026.
- Short interest
- 8.89M
- Shares sold short
- Change
- −1.62M
- −15.4% vs. previous
- Days to cover
- 5.61
- At average daily volume
Superinvestors holding MGNI, Q2 2026
Go to the superinvestors tabNo superinvestor reported holding MGNI at the end of Q2 2026.
Latest insider trades
See all insider tradesOpen-market purchases and sales by Magnite, Inc. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 6, 2026 (view filing)4:23 PM ET | Nov 5 | 1 day | Buckley Sean PatrickSee Remarks | SSale | −11.0K | $27.00 | −$296.8K | −3.8%282.1K after | 10b5-1 |
| Nov 6, 2026 (view filing)4:21 PM ET | Nov 5 | 1 day | Buonasera DavidCHIEF TECHNOLOGY OFFICER | SSale | −5.71K | $27.25 | −$155.5K | −2.3%239.4K after | 2 lots10b5-1 |
| Oct 14, 2026 (view filing)4:30 PM ET | Oct 12 | 2 days | Caine PaulDirector | SSale | −12.5K | $25.29 | −$316.1K | −9.1%124.9K after | 10b5-1 |
| Sep 18, 2026 (view filing)4:06 PM ET | Sep 17 | 1 day | Caine PaulDirector | SSale | −7.50K | $26.50 | −$198.8K | −5.2%137.4K after | 10b5-1 |
| Sep 18, 2026 (view filing)4:05 PM ET | Sep 17 | 1 day | Knopper Douglas SDirector | SSale | −37.3K | $26.28 | −$981.2K | −42.2%51.1K after | 10b5-1 |
| Sep 16, 2026 (view filing)4:23 PM ET | Sep 14 | 2 days | Buonasera DavidCHIEF TECHNOLOGY OFFICER | SSale | −1.17K | $24.00 | −$28.0K | −0.5%245.2K after | 10b5-1 |
| Sep 16, 2026 (view filing)4:20 PM ET | Sep 14 | 2 days | Spillane Robert FDirector | SSale | −10.4K | $23.76 | −$246.2K | −15.2%57.7K after | |
| Sep 11, 2026 (view filing)4:19 PM ET | Sep 11 | Same day | Evans Katie SeitzSee Remarks | SSale | −14.0K | $24.00 | −$335.9K | −3.1%441.8K after | 10b5-1 |
| Sep 11, 2026 (view filing)4:15 PM ET | Sep 10 | 1 day | Saltz AaronCHIEF LEGAL OFFICER | SSale | −40.0K | $23.41 | −$936.4K | −15.1%224.4K after | 10b5-1 |
| Sep 11, 2026 (view filing)4:11 PM ET | Sep 10 | 1 day | Caine PaulDirector | SSale | −5.00K | $23.53 | −$117.7K | −3.3%144.9K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 314 holdersThe largest institutional positions in Magnite, Inc. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 12,713,156 | $241.3M | 0.00% | +1,055,660+9.1% | Added |
| Vanguard Portfolio Management LLC | 8,197,286 | $155.6M | 0.01% | +471,081+6.1% | Added |
| FMR LLC | 7,759,426 | $147.3M | 0.01% | +3,252,007+72.1% | Added |
| Vanguard Capital Management LLC | 6,225,195 | $118.2M | 0.00% | +34,792+0.6% | Added |
| Wellington Management Group LLP | 6,044,492 | $114.7M | 0.02% | −3,146,585−34.2% | Reduced |
| Dimensional Fund Advisors LP | 5,260,132 | $99.8M | 0.02% | +1,276,458+32.0% | Added |
| Boston Partners | 5,013,835 | $95.9M | 0.09% | +293,972+6.2% | Added |
| American Century Companies Inc | 4,622,736 | $87.7M | 0.04% | −4,080−0.1% | Reduced |
| Capital Research Global Investors | 3,869,159 | $73.4M | 0.01% | −1,151,130−22.9% | Reduced |
| Nuveen, LLC | 3,794,811 | $72.0M | 0.02% | +204,786+5.7% | Added |
Holders of 5% or more of MGNI
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Magnite, Inc..
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| FMR LLC | 13G/A | 7.60%10.9M shares | +2.20 ppfrom 5.40% | Feb 9, 202210 filings | Nov 5, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.43%7.85M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 5.04%7.28M shares | New | Apr 30, 20261 filing | Apr 30, 2026 | SEC |