| $337M | ||
| $259M | ||
| $100M | ||
| $79M | ||
| $60M | ||
| $58M |
Buys | $5,000,000 | 1 | 14 |
Sells | $1,232,528 | 6 | 86 |
| PERCEPTIVE ADVISORS LLC | 1 | $5M | 0 | $0 | $5M | |
| Giroux Richard | CFO & COO | 0 | $0 | 2 | $294,960 | $-294,960 |
| Forbes Alexandria | PRESIDENT & CEO | 0 | $0 | 4 | $937,568 | $-937,568 |
MeiraGTx Holdings plc, a clinical stage gene therapy company, focusing on developing treatments for patients with serious diseases. The company develops various therapies for ocular diseases, including inherited blindness, as well as Xerostomia following radiation treatment for head and neck cancers; degenerative diseases; neurodegenerative diseases, such as amyotrophic lateral sclerosis; and Parkinson's diseases. Its programs in clinical development include Phase 1/2 clinical stage programs in Achromatopsia, X-Linked Retinitis Pigmentosa, RPE65-deficiency, and radiation-induced Xerostomia, as well as Parkinson's program. The company also focuses on initiating a clinical program in xerostomia related to Sjogren's syndrome and have preclinical programs in neurodegenerative diseases. It has a research collaboration agreement with Janssen Pharmaceuticals, Inc. to develop regulatable gene therapy treatment using the company's proprietary riboswitch technology. MeiraGTx Holdings plc was incorporated in 2015 and is based in New York, New York.
Over the last 12 months, insiders at MeiraGTx Holdings plc have bought $5M and sold $1.23M worth of MeiraGTx Holdings plc stock.
On average, over the past 5 years, insiders at MeiraGTx Holdings plc have bought $10.71M and sold $3.72M worth of stock each year.
Highest buying activity among insiders over the last 12 months: PERCEPTIVE ADVISORS LLC () — $5M.
The last purchase of 1,250,000 shares for transaction amount of $5M was made by PERCEPTIVE ADVISORS LLC () on 2024‑08‑12.
| 2025-07-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 47,500 0.0584% | $7.97 | $378,575 | +7.56% | |
| 2025-04-22 | Sale | Giroux Richard | CFO & COO | 24,000 0.0318% | $6.00 | $144,000 | +3.11% | |
| 2025-04-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 47,500 0.0559% | $5.34 | $253,650 | +20.61% | |
| 2025-01-21 | Sale | Giroux Richard | CFO & COO | 24,000 0.0304% | $6.29 | $150,960 | +0.78% | |
| 2025-01-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 11,661 0.0148% | $6.30 | $73,464 | +1.34% | |
| 2025-01-07 | Sale | Forbes Alexandria | PRESIDENT & CEO | 35,839 0.0469% | $6.47 | $231,878 | +1.42% | |
| 2024-08-12 | PERCEPTIVE ADVISORS LLC | 1.25M 1.9341% | $4.00 | $5M | +53.25% | |||
| 2023-05-05 | PERCEPTIVE ADVISORS LLC | 4.35M 8.3577% | $5.75 | $25M | -2.03% | |||
| 2022-06-03 | Zeldin Robert K | CHIEF MEDICAL OFFICER | 6 <0.0001% | $7.89 | $47 | -6.73% | ||
| 2022-05-25 | Wollin Robert J | GENERAL COUNSEL AND SECRETARY | 1,000 0.0022% | $7.94 | $7,940 | -5.28% | ||
| 2021-11-17 | Sale | Forbes Alexandria | President and CEO | 30,000 0.0679% | $19.86 | $595,800 | -51.18% | |
| 2021-11-16 | Sale | Forbes Alexandria | President and CEO | 30,000 0.0678% | $19.97 | $599,144 | -51.10% | |
| 2021-10-20 | Sale | Giroux Richard | CFO & COO | 41,400 0.0941% | $21.05 | $871,371 | -40.21% | |
| 2021-10-19 | Sale | Giroux Richard | CFO & COO | 2,600 0.0062% | $20.07 | $52,182 | -33.88% | |
| 2021-10-18 | Sale | Forbes Alexandria | President and CEO | 60,000 0.1271% | $17.36 | $1.04M | -31.36% | |
| 2021-10-18 | Sale | Naylor Stuart | Chief Development Officer | 24,000 0.0526% | $17.95 | $430,800 | -31.36% | |
| 2021-07-20 | Sale | Naylor Stuart | Chief Development Officer | 18,780 0.0419% | $15.06 | $282,827 | -10.03% | |
| 2021-07-13 | Sale | Naylor Stuart | Chief Development Officer | 5,220 0.0119% | $15.04 | $78,509 | -6.75% | |
| 2021-06-09 | Sale | Forbes Alexandria | President and CEO | 8,306 0.0187% | $15.04 | $124,922 | -6.21% | |
| 2021-06-08 | Sale | Forbes Alexandria | President and CEO | 40,360 0.0917% | $15.02 | $606,207 | -5.14% |
| PERCEPTIVE ADVISORS LLC | 12531103 15.5927% | $108.64M | 6 | 0 | <0.0001% | |
| Forbes Alexandria | PRESIDENT & CEO | 1361483 1.6941% | $11.8M | 0 | 24 | |
| Giroux Richard | CFO & COO | 882494 1.0981% | $7.65M | 0 | 10 | |
| PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | 10 percent owner | 6007746 7.4755% | $52.09M | 1 | 0 | +18.44% |
| Naylor Stuart | Chief Development Officer | 402017 0.5002% | $3.49M | 0 | 20 | |
| SHENK THOMAS E | director | 157476 0.1959% | $1.37M | 0 | 3 | |
| Seligman Nicole | director | 5000 0.0062% | $43,350.00 | 1 | 0 | <0.0001% |
| Zeldin Robert K | CHIEF MEDICAL OFFICER | 5000 0.0062% | $43,350.00 | 1 | 0 | <0.0001% |
| Wollin Robert J | GENERAL COUNSEL AND SECRETARY | 1000 0.0012% | $8,670.00 | 1 | 0 | <0.0001% |
| MARCUS JOEL S | director | 0 0% | $0 | 0 | 3 |
$678,065,999 | 37 | -13.32% | $799.46M | |
$28,907,358 | 35 | 41.41% | $628.44M | |
$94,912,877 | 34 | -7.15% | $788.77M | |
$24,825,414 | 22 | -4.21% | $756.56M | |
$169,638,586 | 22 | 30.82% | $744.67M | |
$121,137,864 | 20 | -8.38% | $692.25M | |
$124,557,176 | 16 | 29.13% | $789.16M | |
$21,945,105 | 15 | -26.51% | $664.29M | |
$103,194,328 | 13 | 9.02% | $671.02M | |
$278,247,340 | 12 | 58.08% | $747.87M | |
$94,976,497 | 10 | -10.72% | $649.7M | |
$18,262,420 | 10 | 29.82% | $688.3M | |
$2,859,892 | 10 | 29.21% | $795.94M | |
$1,580,951 | 9 | -14.18% | $661.18M | |
MeiraGTx Holdings plc (MGTX) | $135,543,039 | 9 | -5.28% | $696.77M |
$49,539,396 | 8 | 46.38% | $751.46M | |
$4,706,376 | 8 | 42.30% | $674.97M | |
$1,229,547 | 7 | 11.98% | $808.89M | |
$58,661 | 1 | 36.92% | $673.65M |
| Increased Positions | 67 | +72.04% | 5M | +8.79% |
| Decreased Positions | 37 | -39.78% | 3M | -5.18% |
| New Positions | 22 | New | 2M | New |
| Sold Out Positions | 6 | Sold Out | 471,856 | Sold Out |
| Total Postitions | 123 | +32.26% | 60M | +3.61% |
| Perceptive Advisors Llc | $91,213.00 | 15.93% | 12.58M | 0 | 0% | 2024-12-31 |
| Sanofi | $88,434.00 | 15.44% | 12.2M | +12M | New | 2024-12-31 |
| Johnson & Johnson | $48,148.00 | 8.41% | 6.64M | 0 | 0% | 2024-12-31 |
| Adage Capital Partners Gp, L.L.C. | $36,501.00 | 6.37% | 5.03M | -194,521 | -3.72% | 2024-12-31 |
| Prosight Management, Lp | $31,834.00 | 5.56% | 4.39M | -509,733 | -10.4% | 2024-12-31 |
| Blackrock, Inc. | $22,681.00 | 3.96% | 3.13M | +156,881 | +5.28% | 2025-03-31 |
| 683 Capital Management, Llc | $17,509.00 | 3.06% | 2.42M | -135,000 | -5.29% | 2024-12-31 |
| Woodline Partners Lp | $11,130.00 | 1.94% | 1.54M | +2M | New | 2024-12-31 |
| Knoll Capital Management, Llc | $9,063.00 | 1.58% | 1.25M | 0 | 0% | 2024-12-31 |
| Erste Asset Management Gmbh | $4,855.00 | 0.85% | 669,702 | 0 | 0% | 2024-12-31 |