| $158M | ||
| $148M | ||
| $100M | ||
| $27M | ||
| $21M | ||
| $16M |
Buys | $0 | 0 | 0 |
Sells | $26,846,057 | 47 | 100 |
| PEARSON DAVID T. | director | 0 | $0 | 1 | $168,488 | $-168,488 |
| Lam Rachel | director | 0 | $0 | 1 | $241,600 | $-241,600 |
| Gephart Brian | CHIEF ACCOUNTING OFFICER | 0 | $0 | 1 | $307,982 | $-307,982 |
| Spillane Robert F | director | 0 | $0 | 3 | $557,275 | $-557,275 |
| Soroca Adam Lee | CHIEF PRODUCT OFFICER | 0 | $0 | 3 | $685,138 | $-685,138 |
| Buonasera David | CHIEF TECHNOLOGY OFFICER | 0 | $0 | 9 | $819,459 | $-819,459 |
| Saltz Aaron | CHIEF LEGAL OFFICER | 0 | $0 | 1 | $936,400 | $-936,400 |
| Caine Paul | director | 0 | $0 | 6 | $1.04M | $-1.04M |
| Harden Sarah Patricia | director | 0 | $0 | 2 | $1.15M | $-1.15M |
| Evans Katie Seitz | See Remarks | 0 | $0 | 4 | $1.84M | $-1.84M |
| Knopper Douglas S | director | 0 | $0 | 4 | $2.67M | $-2.67M |
| Buckley Sean Patrick | President, Revenue | 0 | $0 | 7 | $2.78M | $-2.78M |
| BARRETT MICHAEL G. | CEO | 0 | $0 | 5 | $13.64M | $-13.64M |
Magnite, Inc. manages an independent, global platform dedicated to the digital advertising marketplace. This sophisticated system furnishes publishers—entities controlling digital content such as connected TV channels, mobile applications, and websites—with the necessary applications and utilities to oversee and monetize their ad inventory. Concurrently, it delivers services and tools for advertising buyers, including advertisers, agencies, agency trading desks, and demand-side platforms, enabling them to procure digital ad space. The company …
Over the last 12 months, insiders at Magnite, Inc. have bought $0 and sold $26.85M worth of Magnite, Inc. stock.
On average, over the past 5 years, insiders at Magnite, Inc. have bought $94,900 and sold $17.06M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 2,500 shares for transaction amount of $22,500 was made by Lam Rachel () on 2022‑05‑11.
| 2026-10-12 | Sale | Caine Paul | director | 12,500 0.0088% | $25.29 | $316,125 | -8.25% | |
| 2026-09-17 | Sale | Caine Paul | director | 7,500 0.0054% | $26.50 | $198,750 | -6.13% | |
| 2026-09-17 | Sale | Knopper Douglas S | director | 37,337 0.0267% | $26.28 | $981,216 | -6.13% | |
| 2026-09-14 | Sale | Buonasera David | CHIEF TECHNOLOGY OFFICER | 1,165 0.0008% | $24.00 | $27,960 | +0.73% | |
| 2026-09-14 | Sale | Spillane Robert F | director | 10,363 0.0072% | $23.76 | $246,225 | +0.73% | |
| 2026-09-11 | Sale | Evans Katie Seitz | See Remarks | 13,997 0.0099% | $24.00 | $335,928 | +0.84% | |
| 2026-09-10 | Sale | Saltz Aaron | CHIEF LEGAL OFFICER | 40,000 0.0278% | $23.41 | $936,400 | +1.57% | |
| 2026-09-10 | Sale | Caine Paul | director | 5,000 0.0035% | $23.53 | $117,650 | +1.57% | |
| 2026-09-09 | Sale | Evans Katie Seitz | See Remarks | 11,100 0.0077% | $23.46 | $260,406 | +1.23% | |
| 2026-09-08 | Sale | Evans Katie Seitz | See Remarks | 32,285 0.0225% | $23.63 | $762,895 | +0.65% | |
| 2026-09-02 | Sale | Buonasera David | CHIEF TECHNOLOGY OFFICER | 1,043 0.0007% | $25.00 | $26,075 | -4.06% | |
| 2026-09-01 | Sale | Buonasera David | CHIEF TECHNOLOGY OFFICER | 5,371 0.0038% | $23.42 | $125,789 | +4.50% | |
| 2026-08-28 | Sale | Harden Sarah Patricia | director | 18,436 0.013% | $24.00 | $442,464 | +0.65% | |
| 2026-08-26 | Sale | Harden Sarah Patricia | director | 30,550 0.0213% | $23.31 | $712,121 | +1.90% | |
| 2026-08-18 | Sale | Buckley Sean Patrick | See Remarks | 2,759 0.002% | $25.00 | $68,975 | -3.00% | |
| 2026-08-17 | Sale | Buckley Sean Patrick | See Remarks | 8,271 0.0058% | $24.31 | $201,068 | -1.57% | |
| 2026-08-14 | Sale | Caine Paul | director | 7,500 0.0053% | $25.00 | $187,500 | -3.66% | |
| 2026-08-10 | Sale | Lam Rachel | director | 10,000 0.007% | $24.16 | $241,600 | -1.45% | |
| 2026-08-10 | Sale | Caine Paul | director | 5,000 0.0035% | $24.35 | $121,750 | -1.45% | |
| 2026-08-10 | Sale | Gephart Brian | CHIEF ACCOUNTING OFFICER | 12,479 0.0089% | $24.68 | $307,982 | -1.45% |
| BARRETT MICHAEL G. | CEO | 403074 0.281% | $9M | 1 | 35 | +36.15% |
| Lam Rachel | director | 230620 0.1608% | $5.15M | 3 | 3 | <0.0001% |
$73,291,129 | 274 | -1.41% | $54.75M | |
$38,778,432 | 248 | 1.47% | $109.68M | |
$65,294,910 | 239 | 39.45% | $51.32M | |
$27,208,909 | 143 | 20.65% | $2.63B | |
$4,823,781 | 81 | 18.16% | $29.59M |
| Increased Positions | 184 | +53.18% | 26M | +18.86% |
| Decreased Positions | 156 | -45.09% | 27M | -19.73% |
| New Positions | 63 | New | 8M | New |
| Sold Out Positions | 57 | Sold Out | 6M | Sold Out |
| Total Postitions | 374 | +8.09% | 137M | -0.87% |
| Fmr Llc | $275,285.00 | 11.9% | 17.14M | -44,925 | -0.26% | 2025-09-30 |
| Vanguard Group Inc | $235,350.00 | 10.18% | 14.65M | +1M | +8.05% | 2025-09-30 |
| Blackrock, Inc. | $183,295.00 | 7.93% | 11.41M | +715,111 | +6.68% | 2025-09-30 |
| Capital Research Global Investors | $112,145.00 | 4.85% | 6.98M | -6M | -45.95% | 2025-09-30 |
| Wellington Management Group Llp | $82,621.00 | 3.57% | 5.14M | -303,288 | -5.57% | 2025-09-30 |
| American Century Companies Inc | $73,781.00 | 3.19% | 4.59M | -235,127 | -4.87% | 2025-09-30 |
| Boston Partners | $71,451.00 | 3.09% | 4.45M | -1M | -20.19% | 2025-09-30 |
| Granahan Investment Management, Llc | $62,203.00 | 2.69% | 3.87M | +230,393 | +6.33% | 2025-09-30 |
| Dimensional Fund Advisors Lp | $57,290.00 | 2.48% | 3.57M | -1M | -27.23% | 2025-09-30 |
| Geode Capital Management, Llc | $54,589.00 | 2.36% | 3.4M | +182,251 | +5.67% | 2025-09-30 |