Companies / MacroGenics, Inc.
MacroGenics, Inc.
Nasdaq: MGNXCIK 1125345Rockville, MD
Financials · FY2025
Ownership
63.6M shares outstanding · as of May 8, 2026
Ownership
| Insiders | 2.46% | 1,562,069 |
| 10%+ / strategic | 15.08% | 9,582,574 |
| Institutions | 65.68% | 41,749,839 |
| Public float | 16.78% | 10,668,641 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 16
View all →| Insider | % of shares | Shares |
|---|---|---|
Koenig ScottDirector | 1.36% | 867,240 |
Karrels JamesSVP and CFO | 0.32% | 206,037 |
Bonvini EzioSr VP, Research & CSO | 0.23% | 145,799 |
Heiden William KDirector | 0.18% | 114,750 |
Risser Eric BlasiusCEOPresident and CEO · Director | 0.12% | 77,169 |
Hurwitz EdwardDirector | 0.08% | 47,824 |
Spitznagel ThomasFormerSr VP, Technical Ops | 0.06% | 38,543 |
Peters Jeffrey StuartFormerSenior VP, GC, and Secretary | 0.05% | 31,105 |
Chhabra MeenuDirector | 0.02% | 14,750 |
Ferrante Karen JeanDirector | 0.02% | 14,750 |
Institutional holders 100
View all →| Holder | Value | % of shares |
|---|---|---|
| $21.62M | 7.36% | |
| $10.18M | 9.95% | |
| $9.98M | 0.07% | |
| $8.56M | 4.66% | |
| $8.08M | 4.40% | |
| $7.31M | 3.98% | |
| $6.81M | 6.65% | |
| $5.85M | 3.19% | |
| $5.39M | 2.93% | |
| $3.99M | 1.36% |
Activity
InsidersInstitutions
What insiders are doing in this stock (Form 4).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Feb 15, 2026 | Bonvini Ezio Executive | Other | Common Stock | $11.0K | -6K -4.23% | 145,799 0.23% of shares | low |
| Feb 15, 2026 | Risser Eric Blasius CEO | Other | Common Stock | $11.0K | -6K -7.69% | 77,169 0.12% of shares | low |
| Feb 15, 2026 | Karrels James Executive | Other | Common Stock | $9.9K | -6K -2.73% | 206,037 0.32% of shares | low |
| Feb 15, 2026 | Spitznagel Thomas Executive | Other | Common Stock | $9.4K | -6K -12.53% | 38,543 0.06% of shares | low |
| Feb 15, 2026 | Peters Jeffrey Stuart Executive | Other | Common Stock | $8.8K | -5K -14.20% | 31,105 0.05% of shares | low |
| Feb 8, 2026 | Bonvini Ezio Executive | Other | Common Stock | $7.8K | -4K -3.08% | 135,567 0.21% of shares | low |
| Feb 8, 2026 | Risser Eric Blasius CEO | Other | Common Stock | $7.8K | -4K -6.05% | 66,937 0.11% of shares | low |
| Feb 8, 2026 | Karrels James Executive | Other | Common Stock | $7.0K | -4K -1.92% | 196,828 0.31% of shares | low |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
| Bellevue Group AG | Passive13G/A | — |
| Frazier Life Sciences Public Fund, L.P. | Passive13G/A | — |
| Armistice Capital, LLC | Passive13G/A | — |
| Armistice Capital, LLC | Passive13G/A | — |
| Bank of America Corp /De | Passive13G | — |
| Millennium Management LLC | Passive13G | — |
| Millennium Management LLC | Passive13G | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| MGNX | — | 556099109 |