| Investor | Value | Of portfolio | Shares | Change | Quarter |
|---|---|---|---|---|---|
| Renaissance Technologies | $12.2M | 0.02% | 2.63M | −11% | Q2 2026 |
From each investor's quarterly 13F filing with the SEC: positions at the quarter's end, reported up to 45 days later. All investors
No member of Congress has disclosed a MGNX trade since 2025.
From House and Senate STOCK Act reports. Members disclose trades, not holdings, as value ranges up to 45 days later, so amounts are estimates and “last move” is a hint at who still holds it, not a position. All recent congress trades
| Date | Insider | Transaction | Shares | Value |
|---|---|---|---|---|
| Oct 5, 2026 | Bonvini EzioOfficer | Conversion of Exercise of derivative security at price 2.60 per share. | 8K | $20.80K |
| Aug 18, 2026 | Peters Jeffrey StuartGeneral Counsel | Sale at price 4.15 per share. | 31.1K | $129.09K |
| Aug 16, 2026 | Bonvini EzioOfficer | Conversion of Exercise of derivative security at price 2.60 per share. | 40K | $104.00K |
| May 17, 2026 | Hurwitz EdwardDirector | — | 3.8K | — |
| May 17, 2026 | O'Brien Federica FDirector | — | 3.8K | — |
| May 17, 2026 | Heiden William KDirector | — | 3.8K | — |
| May 17, 2026 | Liu Margaret ADirector | — | 3.8K | — |
| May 17, 2026 | Jackson Scott ThomasDirector | — | 3.8K | — |
| May 17, 2026 | Siegel Jay Philip M.D.Director | — | 3.8K | — |
| May 17, 2026 | Stump David Carter M.D.Director | — | 3.8K | — |
| May 17, 2026 | Ferrante Karen Jean M.D.Director | — | 3.8K | — |
| May 17, 2026 | Chhabra MeenuDirector | — | 3.8K | — |
| Feb 12, 2026 | Karrels JamesChief Financial Officer | — | 15K | — |
| Feb 12, 2026 | Spitznagel ThomasOfficer | — | 13.3K | — |
| Feb 12, 2026 | Peters Jeffrey StuartGeneral Counsel | — | 13.3K | — |
| Feb 12, 2026 | Smith Beth AnnOfficer and Treasurer | — | 1.1K | — |
| Feb 12, 2026 | Koenig ScottDirector | — | 21.2K | — |
| Feb 12, 2026 | Bonvini EzioOfficer | — | 16.7K | — |
| Feb 12, 2026 | Risser Eric BlasiusChief Executive Officer | — | 16.7K | — |
| Feb 5, 2026 | Karrels JamesChief Financial Officer | — | 16.3K | — |
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Year |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 13.7 | 8.7 | 45.2 | 6.6 | 35.1 | 11.1 | -20.1 | 8.1 | -3.3 | -11.4 | +112.4% | ||
| 2025 | -7.7 | -18.0 | -48.4 | 36.6 | -21.6 | -11.0 | 28.9 | 13.5 | -5.1 | -1.2 | -7.8 | 5.2 | −50.5% |
| 2024 | 48.6 | 25.5 | -17.9 | 0.4 | -72.3 | 3.9 | -11.5 | -6.6 | -6.3 | 11.2 | -1.9 | -9.5 | −66.2% |
| 2023 | -14.0 | 5.5 | 17.7 | -3.9 | -32.2 | 14.6 | -10.8 | -2.3 | 0.0 | 12.0 | 57.3 | 17.2 | +43.4% |
| 2022 | -23.1 | -24.3 | -5.8 | -18.8 | -51.5 | -15.0 | 6.1 | 26.8 | -12.8 | 48.0 | 25.6 | 4.4 | −58.2% |
| 2021 | -10.6 | 22.4 | 27.3 | 1.6 | -0.5 | -16.6 | -7.1 | -5.4 | -11.3 | -6.7 | -9.9 | -8.8 | −29.8% |
| 2020 | -15.0 | -5.2 | -33.6 | 23.7 | 167.2 | 45.1 | -9.0 | 13.9 | -13.0 | -22.9 | 18.9 | -0.9 | +110.1% |
| 2019 | -7.6 | 70.5 | -10.1 | -6.7 | 9.4 | -7.5 | -15.2 | -0.3 | -11.0 | -33.4 | 11.4 | 14.9 | −14.3% |
| 2018 | 18.8 | 11.2 | 0.3 | -8.3 | -1.4 | -9.2 | 0.0 | 5.9 | -2.0 | -23.2 | 4.6 | -26.2 | −33.2% |
| 2017 | -9.6 | 14.5 | -12.0 | 16.2 | -17.9 | -1.4 | -5.7 | 14.5 | -2.3 | 7.1 | -2.4 | -1.7 | −7.0% |
| 2016 | -35.0 | -20.6 | 17.3 | 9.7 | 24.3 | 5.6 | 13.3 | -2.5 | 0.3 | -20.8 | 9.5 | -21.2 | −34.0% |
| 2015 | -9.8 | 9.3 | -9.3 | -8.8 | 13.1 | 17.4 | -1.0 | -29.9 | -18.7 | 45.1 | 11.3 | -10.4 | −11.7% |
| 2014 | 45.1 | -12.1 | -20.5 | -28.4 | -6.4 | 16.5 | -6.6 | 5.2 | -2.2 | 1.9 | 32.7 | 24.1 | +27.9% |
| 2013 | -1.7 | 3.6 | +1.8% |
MacroGenics, Inc., a clinical-stage biopharmaceutical company, discovers, develops, manufactures, and commercializes antibody-based therapeutics for the treatment of cancer in the United States. The company's product pipeline includes lorigerlimab, a bispecific DART molecule that targets checkpoint inhibitors PD-1 and CTLA-4 for the treatment of mCRPC and docetaxel that is in phase 2 clinical trials, as well as for the treatment of platinum-resistant ovarian cancer and clear cell gynecologic cancer which has completed phase 1 clinical trial; MGC026, an ADC that targets B7-H3 and delivers a novel topoisomerase I inhibitor (TOP1i)-based linker-payload; MGC028, an antibody-drug conjugates (ADC) that targets ADAM9 and delivers a novel TOP1i-based linker-payload for the treatment of solid tumors, which is in phase 1 clinical trials; MGC030, a ADC molecule that targets an undisclosed antigen expressed across several solid tumors, which is in preclinical trials. It is also developing T-cell engager programs. The company has collaborations with TerSera Therapeutics LLC; Incyte Corporation; and Gilead Sciences, Inc. MacroGenics, Inc. was incorporated in 2000 and is headquartered in Rockville, Maryland.
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