MGNI — MAGNITE, INC.
Price · 2024-08-26 → 2026-08-21
499 daily closes shownAnonymous view is capped at two years of history. A free account extends it to five, and Pro opens the whole archive back to 2016-01-04.
Performance
Technicals
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Measured signals that fired on MGNI
| date | signal | measured base rate |
|---|---|---|
| 2026-08-06 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-27 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-07-10 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-05-29 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
| 2026-05-29 | Equal highs taken out structure | -0.70% over 21 days · t = -8.28 · n = 68,636 statistically distinguishable from its control group |
| 2026-04-16 | Fair value gap, bullish structure | -0.67% over 21 days · t = -6.43 · n = 111,973 statistically distinguishable from its control group |
Excess return against a matched control group, on a point-in-time universe that includes delisted companies. Most families do not survive that. How the measurement works →
Insider transactions (Form 4)
| date | insider | what | shares | price | value |
|---|---|---|---|---|---|
| 2026-08-18 | Buckley Sean Patrick See Remarks | Open-market sale 10b5-1 plan | 2.8K | 25.00 | 69.0K |
| 2026-08-17 | Buckley Sean Patrick See Remarks | Open-market sale 10b5-1 plan | 8.3K | 24.31 | 201.1K |
| 2026-08-15 | Day David CHIEF FINANCIAL OFFICER | Shares withheld for tax | 14.2K | 24.73 | 350.4K |
| 2026-08-15 | Buckley Sean Patrick See Remarks | Shares withheld for tax 10b5-1 plan | 11.7K | 24.73 | 289.7K |
| 2026-08-15 | Evans Katie Seitz See Remarks | Shares withheld for tax | 11.2K | 24.73 | 277.1K |
| 2026-08-15 | BARRETT MICHAEL G. CEO | Shares withheld for tax | 10.4K | 24.73 | 257.3K |
| 2026-08-15 | Buonasera David CHIEF TECHNOLOGY OFFICER | Shares withheld for tax | 8.1K | 24.73 | 200.4K |
| 2026-08-15 | Saltz Aaron CHIEF LEGAL OFFICER | Shares withheld for tax | 5.6K | 24.73 | 139.2K |
| 2026-08-15 | Gephart Brian CHIEF ACCOUNTING OFFICER | Shares withheld for tax | 3.8K | 24.73 | 93.7K |
| 2026-08-14 | Caine Paul Director | Open-market sale 10b5-1 plan | 7.5K | 25.00 | 187.5K |
Open-market purchases (code P) are the informative ones. Grants, option exercises and tax withholding are compensation mechanics, not decisions. How to read a Form 4 →
Largest institutional holders
| manager | value | shares |
|---|---|---|
| BlackRock, Inc. | 138.5M | 11.7M |
| WELLINGTON MANAGEMENT GROUP LLP | 109.2M | 9.2M |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 91.8M | 7.7M |
| VANGUARD CAPITAL MANAGEMENT LLC | 73.5M | 6.2M |
| Capital Research Global Investors | 59.6M | 5.0M |
| Boston Partners | 56.1M | 4.7M |
| AMERICAN CENTURY COMPANIES INC | 55.0M | 4.6M |
| FMR LLC | 53.5M | 4.5M |
| DIMENSIONAL FUND ADVISORS LP | 47.3M | 4.0M |
| Nuveen, LLC | 42.6M | 3.6M |
13F positions as of 2026-03-31, filed up to 45 days after quarter end. Long-only US equity — shorts and derivatives never appear. What 13F does and does not show →
Short selling
This is off-exchange short volume, not short interest: it is flow, not position, and 40–50% is normal because market makers short to fill your buy. Why that number misleads →
Recent headlines
- 8 Communication Services Stocks With Whale Alerts In Today’s Session · 2026-08-07 · benzinga
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