NASDAQ · MGNI
Magnite, Inc.
Smart money pulse
What insiders and funds are doing
- account_balance170 funds bought, 122 sold in the quarter ended Jun 30, 2026. 59 were new holders.
- info5 real insider sales in 12 months. $2.64M in total, not counting planned sales.
−100 means everyone selling, +100 everyone buying. This is data, not advice.
How the Pulse works
Pulse runs from −100 (everyone selling) to +100 (everyone buying). Half comes from insiders: real buyers vs. real sellers in the last 90 days (Form 4). Half comes from funds: funds that bought vs. funds that sold last quarter (13F). 13F is a snapshot of long positions on the last day of the quarter, filed up to 45 days later. It does not show short positions or trades since then.
Who owns it
315 funds report owning MGNI, up from 298
Last quarter
Who bought and who sold
Change in shares held, biggest holdings first. Bars stop at ±100%.
Insider trades · last 12 months
Real buys and sales
Last 6 months. A wider screen shows 12.
Showing 4 real trades. Hidden: 4 planned 10b5-1 sales. Those happen on a schedule and say little about what an insider thinks. Bigger dot means a bigger trade.
Real trades, newest first
Showing every filing. Dashed circles are routine: grants, tax withholding, option exercises and planned sales.
Top holders
Biggest funds in MGNI
| Fund | Value | Change |
|---|---|---|
| BlackRock, Inc. | $241M | +9% |
| Vanguard Portfolio Management LLC | $156M | +6% |
| FMR LLC | $147M | +72% |
| Vanguard Capital Management LLC | $118M | +1% |
| Wellington Management Group LLP | $115M | −34% |