MGNXNasdaqPharmaceutical PreparationsFiscal year ends December 31
MACROGENICS INC
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 14, 2026
$3.33+0.08 (+2.46%)
Close on Oct 19, 2026
- Market cap
- $211.77M
- P/E (TTM)
- –
- Dividend yield
- –
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
76.4%
49M of 64M shares
Institutional holders
122
38 new, 25 sold out
Net institutional buying
6M
In Q2 2026
Insider trades, 12 months
0 buys · 1 sales
Net sold $129.09K
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BB Biotech AG | 9,929,963 | 15.80% | 13G (passive) amendment | Dec 31, 2024 |
| Bellevue Asset Management AG | 9,929,963 | 15.70% | 13G (passive) | Jun 1, 2025 |
| Steven Boyd | 6,012,000 | 9.46% | 13G (passive) amendment | Mar 31, 2026 |
| T. Rowe Price Investment Management, Inc. | 5,639,994 | 9.10% | 13G (passive) | Feb 14, 2024 |
| Armistice Capital, LLC | 5,006,752 | 7.88% | 13G (passive) amendment | Jun 30, 2026 |
| BlackRock, Inc. | 4,503,913 | 7.10% | 13G (passive) | Jun 30, 2026 |
| Israel A. Englander | 3,435,504 | 5.40% | 13G (passive) | Jun 1, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of MGNX | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| Armistice Capital, LLC | 5,006,752 | 7.86% | $23.13M | −1,005,248 | 0.28% |
| BlackRock, Inc. | 4,679,229 | 7.35% | $21.62M | +3,516,083 | 0.00% |
| Vanguard Capital Management LLC | 2,656,010 | 4.17% | $12.27M | +2,157 | 0.00% |
| Renaissance Technologies LLC | 2,632,750 | 4.13% | $12.16M | −330,809 | 0.02% |
| Acadian Asset Management LLC | 2,542,643 | 3.99% | $11.74K | −1,357 | 0.01% |
| Bank Of America Corp /De/ | 2,488,252 | 3.91% | $11.50M | +86,438 | 0.00% |
| Two Sigma Investments, LP | 2,465,699 | 3.87% | $11.39M | −62,130 | 0.01% |
| Millennium Management LLC | 2,374,296 | 3.73% | $10.97M | −420,061 | 0.00% |
| Wasatch Advisors LP | 2,018,881 | 3.17% | $9.33M | +459,180 | 0.06% |
| Ra Capital Management, L.P. | 1,864,176 | 2.93% | $8.61M | – | 0.07% |
| Vanguard Portfolio Management LLC | 1,820,231 | 2.86% | $8.41M | +611,456 | 0.00% |
| Mackenzie Financial Corp | 1,642,626 | 2.58% | $7.59M | +1,045,184 | 0.01% |
| Marshall Wace, Llp | 1,616,220 | 2.54% | $7.47M | −409,306 | 0.01% |
| Geode Capital Management, LLC | 1,576,549 | 2.47% | $7.29M | +879,228 | 0.00% |
| Affinity Asset Advisors, LLC | 1,216,606 | 1.91% | $5.62M | +716,606 | 0.25% |
| D. E. Shaw & Co., Inc. | 1,062,991 | 1.67% | $4.91M | +4,567 | 0.00% |
| Jacobs Levy Equity Management, Inc | 1,002,274 | 1.57% | $4.63M | +561,131 | 0.02% |
| Connor, Clark & Lunn Investment Management Ltd. | 1,000,412 | 1.57% | $4.62M | +133,163 | 0.01% |
| State Street Corp | 863,663 | 1.36% | $3.99M | +569,976 | 0.00% |
| Goldman Sachs Group Inc | 558,001 | 0.88% | $2.58M | +284,523 | 0.00% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 122 | 49M | 76.4% | 38 / 34 | 29 / 25 | 12M | 6M |
| Q1 2026 | 109 | 43M | 67.8% | 32 / 29 | 28 / 10 | 14M | 6M |
| Q4 2025 | 89 | 40M | 62.7% | 13 / 30 | 26 / 24 | 12M | 18M |
| Q3 2025 | 104 | 47M | 73.5% | 17 / 30 | 26 / 24 | 5M | 6M |
| Q2 2025 | 112 | 48M | 75.9% | 26 / 27 | 34 / 42 | 6M | 11M |
| Q1 2025 | 128 | 54M | 84.7% | 19 / 36 | 42 / 18 | 4M | 6M |
| Q4 2024 | 128 | 56M | 88.1% | 23 / 40 | 38 / 19 | 5M | 5M |
| Q3 2024 | 124 | 56M | 88.0% | 14 / 38 | 47 / 35 | 8M | 8M |
| Q2 2024 | 147 | 61M | 96.4% | 27 / 52 | 49 / 42 | 16M | 21M |
| Q1 2024 | 163 | 66M | 100.0% | 41 / 55 | 50 / 19 | 17M | 14M |
| Q4 2023 | 142 | 63M | 99.4% | 31 / 47 | 48 / 16 | 11M | 5M |
| Q3 2023 | 127 | 58M | 91.1% | 13 / 45 | 46 / 17 | 3M | 5M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
| Fund | Shares | % of MGNX | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 1,925,510 | 3.02% | $8.90M | 0.00% | Jun 30, 2026 |
| iShares Russell 2000 ETF | 1,560,778 | 2.45% | $7.21M | 0.01% | Jun 30, 2026 |
| Wasatch Ultra Growth Fund | 1,117,456 | 1.75% | $5.16M | 1.12% | Jun 30, 2026 |
| Wasatch Micro Cap Fund | 771,218 | 1.21% | $3.56M | 0.53% | Jun 30, 2026 |
| Fidelity Small Cap Index Fund | 683,332 | 1.07% | $2.52M | 0.01% | Jul 31, 2026 |
| Vanguard Extended Market Index Fund | 649,399 | 1.02% | $3.00M | 0.00% | Jun 30, 2026 |
| Vanguard Strategic Small-Cap Equity Fund | 551,029 | 0.87% | $2.55M | 0.08% | Jun 30, 2026 |
| iShares Russell 2000 Growth ETF | 513,042 | 0.81% | $2.37M | 0.02% | Jun 30, 2026 |
| Small Company Growth Portfolio | 437,607 | 0.69% | $2.02M | 0.12% | Jun 30, 2026 |
| Vanguard Explorer Fund | 421,515 | 0.66% | $1.56M | 0.01% | Jul 31, 2026 |
| Nomura Healthcare Fund | 420,000 | 0.66% | $1.94M | 0.26% | Jun 30, 2026 |
| Fidelity Extended Market Index Fund | 303,029 | 0.48% | $1.26M | 0.00% | May 31, 2026 |
| iShares Micro-Cap ETF | 211,153 | 0.33% | $975.53K | 0.06% | Jun 30, 2026 |
| Fidelity SAI Small-Mid Cap Momentum Index Fund | 177,801 | 0.28% | $656.09K | 0.02% | Jul 31, 2026 |
| Schwab Small-Cap Index Fund | 152,584 | 0.24% | $563.03K | 0.01% | Jul 31, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Eric Blasius Risser | President and CEO, Director | 77,169 | 0.12% | Feb 17, 2026 |
| Jeffrey Stuart Peters | Senior VP, GC, and Secretary | 0 | – | Aug 20, 2026 |
| Ezio Bonvini | Sr VP, Research & CSO | 193,349 | 0.30% | Aug 18, 2026 |
| Beth Ann Smith | VP, Controller & Treasurer | 13,204 | 0.02% | Feb 17, 2026 |
| James Karrels | SVP and CFO | 306,368 | 0.48% | Feb 17, 2026 |
| Thomas Spitznagel | Sr VP, Technical Ops | 38,543 | 0.06% | Feb 17, 2026 |
| Stephen L. Eck | Chief Medical Officer | 29,377 | 0.05% | Feb 19, 2025 |
| David C. Stump | Director | 14,750 | 0.02% | May 20, 2026 |
| Meenu Chhabra | Director | 14,750 | 0.02% | May 20, 2026 |
| William K. Heiden | Director | 114,750 | 0.18% | May 20, 2026 |
| Karen Jean Ferrante | Director | 14,750 | 0.02% | May 20, 2026 |
| Scott Thomas Jackson | Director | 14,750 | 0.02% | May 20, 2026 |
| Jay Philip Siegel | Director | 14,750 | 0.02% | May 20, 2026 |
| Federica F. O'Brien | Director | 14,750 | 0.02% | May 20, 2026 |
| Edward Hurwitz | Director | 1,752,820 | 2.75% | May 20, 2026 |
| Scott Koenig | Director | 1,294,720 | 2.03% | May 20, 2026 |
| Margaret Liu | Director | 14,750 | 0.02% | May 20, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Aug 19, 2026 | Sale(10b5-1 plan) | −31,105 | $4.15 | $129.09K | 0 |
| Ezio Bonvini Sr VP, Research & CSO | Aug 17, 2026 | Option exercise | +40,000 | $2.60 | $104.00K | 185,799 |
| Jay Philip Siegel Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Karen Jean Ferrante Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Scott Thomas Jackson Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Margaret Liu Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Edward Hurwitz Director | May 18, 2026 | Option exercise | +3,750 | – | – | 47,824 |
| William K. Heiden Director | May 18, 2026 | Option exercise | +3,750 | – | – | 114,750 |
| David C. Stump Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Meenu Chhabra Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Federica F. O'Brien Director | May 18, 2026 | Option exercise | +3,750 | – | – | 14,750 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 15, 2026 | Tax withholding | −5,520 | $1.71 | $9.44K | 38,543 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 15, 2026 | Option exercise | +13,332 | – | – | 44,063 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 15, 2026 | Tax withholding | −6,433 | $1.71 | $11.00K | 145,799 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 15, 2026 | Option exercise | +16,665 | – | – | 152,232 |
| Scott Koenig Director | Feb 15, 2026 | Option exercise | +21,165 | – | – | 867,240 |
| Eric Blasius Risser President and CEO, Director | Feb 15, 2026 | Tax withholding | −6,433 | $1.71 | $11.00K | 77,169 |
| Eric Blasius Risser President and CEO, Director | Feb 15, 2026 | Option exercise | +16,665 | – | – | 83,602 |
| James Karrels SVP and CFO | Feb 15, 2026 | Tax withholding | −5,790 | $1.71 | $9.90K | 206,037 |
| James Karrels SVP and CFO | Feb 15, 2026 | Option exercise | +14,999 | – | – | 211,827 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 15, 2026 | Option exercise | +1,095 | – | – | 13,204 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 15, 2026 | Tax withholding | −423 | $1.71 | $723 | 12,781 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 15, 2026 | Tax withholding | −5,147 | $1.71 | $8.80K | 31,105 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 15, 2026 | Option exercise | +13,332 | – | – | 36,252 |
| Eric Blasius Risser President and CEO, Director | Feb 8, 2026 | Option exercise | +11,166 | – | – | 71,248 |
| Eric Blasius Risser President and CEO, Director | Feb 8, 2026 | Tax withholding | −4,311 | $1.81 | $7.80K | 66,937 |
| Scott Koenig Director | Feb 8, 2026 | Option exercise | +15,831 | – | – | 846,075 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 8, 2026 | Tax withholding | −3,186 | $1.81 | $5.77K | 30,731 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 8, 2026 | Option exercise | +8,999 | – | – | 33,917 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 8, 2026 | Option exercise | +1,583 | – | – | 12,721 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 8, 2026 | Tax withholding | −612 | $1.81 | $1.11K | 12,109 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 8, 2026 | Tax withholding | −4,311 | $1.81 | $7.80K | 135,567 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 8, 2026 | Option exercise | +11,166 | – | – | 139,878 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 8, 2026 | Option exercise | +8,999 | – | – | 26,394 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 8, 2026 | Tax withholding | −3,474 | $1.81 | $6.29K | 22,920 |
| James Karrels SVP and CFO | Feb 8, 2026 | Tax withholding | −3,860 | $1.81 | $6.99K | 196,828 |
| James Karrels SVP and CFO | Feb 8, 2026 | Option exercise | +9,999 | – | – | 200,688 |
| Eric Blasius Risser President and CEO, Director | Feb 7, 2026 | Tax withholding | −2,575 | $1.81 | $4.66K | 60,082 |
| Eric Blasius Risser President and CEO, Director | Feb 7, 2026 | Option exercise | +6,668 | – | – | 62,657 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 7, 2026 | Tax withholding | −2,485 | $1.81 | $4.50K | 24,918 |
| Thomas Spitznagel Sr VP, Technical Ops | Feb 7, 2026 | Option exercise | +6,001 | – | – | 27,403 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 7, 2026 | Option exercise | +2,617 | – | – | 12,149 |
| Beth Ann Smith VP, Controller & Treasurer | Feb 7, 2026 | Tax withholding | −1,011 | $1.81 | $1.83K | 11,138 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 7, 2026 | Option exercise | +7,001 | – | – | 131,415 |
| Ezio Bonvini Sr VP, Research & CSO | Feb 7, 2026 | Tax withholding | −2,703 | $1.81 | $4.89K | 128,712 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 7, 2026 | Option exercise | +6,001 | – | – | 19,712 |
| Jeffrey Stuart Peters Senior VP, GC, and Secretary | Feb 7, 2026 | Tax withholding | −2,317 | $1.81 | $4.19K | 17,395 |
| James Karrels SVP and CFO | Feb 7, 2026 | Option exercise | +6,334 | – | – | 193,135 |
| James Karrels SVP and CFO | Feb 7, 2026 | Tax withholding | −2,446 | $1.81 | $4.43K | 190,689 |
| William K. Heiden Director | Aug 20, 2025 | Buy | +49,500 | $1.49 | $73.76K | 111,000 |
| William K. Heiden Director | Aug 19, 2025 | Buy | +50,500 | $1.52 | $76.76K | 61,500 |
| Scott Koenig Director | Aug 13, 2025 | Option exercise | +31,664 | – | – | 830,244 |
| Scott Koenig Director | Aug 13, 2025 | Option exercise | +21,165 | – | – | 798,580 |
| Scott Thomas Jackson Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
| David C. Stump Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
| Jay Philip Siegel Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
| Edward Hurwitz Director | May 20, 2025 | Option exercise | +6,500 | – | – | 44,074 |
| Meenu Chhabra Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
| Federica F. O'Brien Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
| Karen Jean Ferrante Director | May 20, 2025 | Option exercise | +6,500 | – | – | 11,000 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Spitznagel Thomas Former Officer | Sep 21, 2026 | 15,811 | $65.53K | Sep 21, 2026 | Stock plan activity |
| Peters Jeffrey Officer | Aug 19, 2026 | 31,105 | $129.15K | Aug 19, 2026 | Stock plan activity |
| Siegel Jay Former Director | Aug 17, 2026 | 42,080 | $175.70K | Aug 17, 2026 | Stock plan activity |
| Siegel Jay Former Director | Aug 3, 2026 | 34,916 | $130.94K | Aug 3, 2026 | Stock plan activity |
| Spitznagel Thomas Former Officer | Jul 13, 2026 | 17,000 | $75.53K | Jul 13, 2026 | Stock Plan Activity |
| Jeffrey Stuart Peters Officer | Apr 4, 2024 | 51,395 | $798.79K | Apr 4, 2024 | Stock Plan Activity |
| Jeffrey Stuart Peters Officer | Mar 6, 2024 | 19,625 | $411.88K | Mar 6, 2024 | Stock Plan Activity |
| Eric Blasius Risser Officer | Mar 4, 2024 | 41,159 | $815.61K | Mar 4, 2024 | Stock Plan Activity |
| Thomas Spitznagel Officer | Mar 4, 2024 | 10,000 | $199.99K | Mar 4, 2024 | Stock Plan Activity |
| James Karrels Officer | Mar 4, 2024 | 30,000 | $615.00K | Mar 4, 2024 | Exercised Options |
| Jeffrey Stuart Peters Officer | Feb 26, 2024 | 16,124 | $275.82K | Feb 26, 2024 | Stock Plan Activity |
| Ezio Bonvini Officer | Feb 7, 2024 | 3,334 | $60.00K | Feb 7, 2024 | Stock Plan Activity |
| Jeffrey Stuart Peters Officer | Feb 5, 2024 | 76,251 | $1.26M | Feb 5, 2024 | Stock Plan Activity |
| Ezio Bonvini Officer | Feb 1, 2024 | 13,316 | $199.73K | Feb 1, 2024 | Stock Plan Activity |
| Ezio Bonvini Officer | Jan 19, 2024 | 13,316 | $159.78K | Jan 19, 2024 | Stock Plan Activity |