MacroGenics, Inc. (MGNX) ownership: Top institutional holder: BlackRock Fund Advisors ($30.87M). Insider activity: Net Seller (0 buys, 20 sells). SEC EDGAR first-party data.
| Holder | Shares | Market Value | Reported |
|---|---|---|---|
| BlackRock Fund Advisors | 1510142.00 | $30.87M | 2016-12-31 |
| ARMISTICE CAPITAL, LLC | 6012000.00 | $17.37M | 2026-03-31 |
| RENAISSANCE TECHNOLOGIES LLC | 2963559.00 | $8.56M | 2026-03-31 |
| MILLENNIUM MANAGEMENT LLC | 2794357.00 | $8.08M | 2026-03-31 |
| VANGUARD CAPITAL MANAGEMENT LLC | 2653853.00 | $7.67M | 2026-03-31 |
| ACADIAN ASSET MANAGEMENT LLC | 2544000.00 | $7.35M | 2026-03-31 |
| TWO SIGMA INVESTMENTS, LP | 2527829.00 | $7.31M | 2026-03-31 |
| BANK OF AMERICA CORP /DE/ | 2401814.00 | $6.94M | 2026-03-31 |
| Insider | Transaction | Value | Date |
|---|---|---|---|
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 | |
| Sell | null | 2026-05-19 |
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Institutional data from SEC Form 13F. Insider data from SEC Form 4. Congressional data from STOCK Act disclosures. Not personalized investment advice.