| $385M | ||
| $350M | ||
| $215M | ||
| $100M | ||
| $83M | ||
| $63M |
Buys | $0 | 0 | 0 |
Sells | $2,056,787 | 7 | 100 |
| Naylor Stuart | CHIEF DEV. OFFICER | 0 | $0 | 1 | $258,907 | $-258,907 |
| Giroux Richard | CFO & COO | 0 | $0 | 3 | $561,360 | $-561,360 |
| Forbes Alexandria | PRESIDENT & CEO | 0 | $0 | 3 | $1.24M | $-1.24M |
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 $0 and sold $2.06M worth of MeiraGTx Holdings plc stock.
On average, over the past 5 years, insiders at MeiraGTx Holdings plc have bought $10M and sold $2.63M worth of stock each year.
There was no buying activity among insiders over the last 12 months.
The last purchase of 1,250,000 shares for transaction amount of $5M was made by PERCEPTIVE ADVISORS LLC () on 2024‑08‑12.
| 2026-04-07 | Sale | Naylor Stuart | CHIEF DEV. OFFICER | 27,661 0.0334% | $9.36 | $258,907 | +2.42% | |
| 2026-03-24 | Sale | Forbes Alexandria | PRESIDENT & CEO | 62,000 0.077% | $7.41 | $459,420 | +24.91% | |
| 2025-10-21 | Sale | Giroux Richard | CFO & COO | 24,000 0.0286% | $8.87 | $212,880 | -15.39% | |
| 2025-10-07 | Sale | Forbes Alexandria | PRESIDENT & CEO | 47,500 0.0584% | $8.39 | $398,525 | -7.48% | |
| 2025-07-22 | Sale | Giroux Richard | CFO & COO | 24,000 0.0296% | $8.52 | $204,480 | -8.67% | |
| 2025-07-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 47,500 0.0584% | $7.97 | $378,575 | -2.29% | |
| 2025-04-22 | Sale | Giroux Richard | CFO & COO | 24,000 0.0318% | $6.00 | $144,000 | +23.37% | |
| 2025-04-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 47,500 0.0559% | $5.34 | $253,650 | +46.37% | |
| 2025-01-21 | Sale | Giroux Richard | CFO & COO | 24,000 0.0304% | $6.29 | $150,960 | +17.16% | |
| 2025-01-08 | Sale | Forbes Alexandria | PRESIDENT & CEO | 11,661 0.0148% | $6.30 | $73,464 | +18.19% | |
| 2025-01-07 | Sale | Forbes Alexandria | PRESIDENT & CEO | 35,839 0.0469% | $6.47 | $231,878 | +18.38% | |
| 2024-08-12 | PERCEPTIVE ADVISORS LLC | 1.25M 1.9341% | $4.00 | $5M | +55.25% | |||
| 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% |
| Forbes Alexandria | PRESIDENT & CEO | 1449695 1.7799% | $14.67M | 0 | 26 | |
| Giroux Richard | CFO & COO | 829494 1.0185% | $8.39M | 0 | 12 | |
| Naylor Stuart | CHIEF DEV. OFFICER | 668505 0.8208% | $6.77M | 0 | 21 | |
| PERCEPTIVE ADVISORS LLC | 12531103 15.3858% | $126.81M | 6 | 0 | +2.25% | |
| PERCEPTIVE LIFE SCIENCES MASTER FUND LTD | 10 percent owner | 6007746 7.3763% | $60.8M | 1 | 0 | +18.44% |
| SHENK THOMAS E | director | 157476 0.1933% | $1.59M | 0 | 3 | |
| Seligman Nicole | director | 5000 0.0061% | $50,600.00 | 1 | 0 | <0.0001% |
| Zeldin Robert K | CHIEF MEDICAL OFFICER | 5000 0.0061% | $50,600.00 | 1 | 0 | <0.0001% |
| Wollin Robert J | GENERAL COUNSEL AND SECRETARY | 1000 0.0012% | $10,120.00 | 1 | 0 | <0.0001% |
| MARCUS JOEL S | director | 0 0% | $0 | 0 | 3 |
$831,902,292 | 108 | 9.34% | $875M | |
$860,541,348 | 82 | -5.10% | $792.28M | |
$28,907,358 | 35 | 41.41% | $957.8M | |
$41,446,394 | 27 | 12.91% | $829.72M | |
$47,612,919 | 22 | -30.91% | $760.16M | |
$46,858,891 | 18 | -11.58% | $809.14M | |
$59,102,045 | 17 | 8.52% | $782.15M | |
$26,254,270 | 14 | 24.18% | $887.22M | |
$133,809,976 | 13 | 31.29% | $706.47M | |
$11,541,901 | 10 | 8.07% | $855.03M | |
$5,794,001 | 10 | 23.26% | $931.4M | |
MeiraGTx Holdings plc (MGTX) | $140,543,039 | 10 | 0.77% | $824.23M |
$38,624,786 | 9 | 1.26% | $911.52M | |
$94,000,000 | 7 | -20.84% | $687.9M | |
$21,792,890 | 6 | 75.72% | $812.25M | |
$15,652,720 | 6 | -4.77% | $820.61M | |
$7,234,370 | 3 | -3.34% | $697.76M | |
$704,400 | 2 | -29.92% | $939.37M | |
$13,900 | 1 | -39.25% | $922.66M |
| Increased Positions | 65 | +52.85% | 7M | +10.86% |
| Decreased Positions | 46 | -37.4% | 6M | -8.94% |
| New Positions | 21 | New | 1M | New |
| Sold Out Positions | 12 | Sold Out | 273,304 | Sold Out |
| Total Postitions | 142 | +15.45% | 65M | +1.92% |
| Perceptive Advisors Llc | $98,610.00 | 15.78% | 12.63M | 0 | 0% | 2025-09-30 |
| Sanofi | $95,264.00 | 15.25% | 12.2M | 0 | 0% | 2025-09-30 |
| Johnson & Johnson | $51,867.00 | 8.3% | 6.64M | 0 | 0% | 2025-09-30 |
| Adage Capital Partners Gp, L.L.C. | $32,682.00 | 5.23% | 4.18M | -2M | -30.66% | 2025-09-30 |
| Prosight Management, Lp | $31,939.00 | 5.11% | 4.09M | -497,914 | -10.85% | 2025-09-30 |
| Rubric Capital Management Lp | $29,104.00 | 4.66% | 3.73M | 0 | 0% | 2025-09-30 |
| Blackrock, Inc. | $21,667.00 | 3.47% | 2.77M | -88,136 | -3.08% | 2025-09-30 |
| 683 Capital Management, Llc | $20,501.00 | 3.28% | 2.63M | -65,000 | -2.42% | 2025-09-30 |
| Millennium Management Llc | $20,001.00 | 3.2% | 2.56M | +2M | +226.16% | 2025-09-30 |
| J. Goldman & Co Lp | $14,065.00 | 2.25% | 1.8M | -243,643 | -11.92% | 2025-09-30 |