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
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $16.29M | +3.5M +305.95% | 4,679,229 7.36% of shares | medium |
| Q1 2026 as of | RA Capital Management, L.P. 13F manager | New | Common stock | $5.39M | +1.9M | 1,864,176 2.93% of shares | medium |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $4.42M | +1.5M +152.92% | 2,527,829 3.98% of shares | low |
| Q2 2026 as of | State Street Corporation 13F manager | Add | Common stock | $2.72M | +589K +214.53% | 863,663 1.36% of shares | low |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $2.62M | +1.6M +777.42% | 1,837,720 2.89% of shares | low |
| Q1 2026 as of | Millennium Management LLC 13F manager | Add | Common stock | $2.37M | +820K +41.52% | 2,794,357 4.40% of shares | low |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $2.14M | +741K +57.68% | 2,025,526 3.19% of shares | low |
| Q1 2024 as of | Barclays PLC 13F manager | Trim | Common stock | $-1.12M | -76K -48.11% | 81,742 0.13% 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 |