2m 2m 2m 2m 2m 2m 2m
MEIRAGTX (MGTX)
NASDAQ
$14.35+$0.010 (+0.07%)
Price as of Aug 21, 2026 7:30 PM EDT- $635.0MMarket Cap
- 83.14%1-Year Change
- BiotechnologyIndustry
MEIRAGTX (MGTX)
$14.35+$0.010 (+0.07%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SANOFI | 13.17% | 12.2M | 0 (0.00%) | Jun 30, 2026 |
PERCEPTIVE ADVISORS LLC | 11.65% | 10.8M | +460,555 (+4.27%) | Jun 30, 2026 |
RUBRIC CAPITAL MANAGEMENT LP | 9.83% | 9.1M | +2.1M (+23.08%) | Jun 30, 2026 |
JOHNSON & JOHNSON | 7.17% | 6.6M | 0 (0.00%) | Jun 30, 2026 |
BLACKROCK, INC. | 5.14% | 4.8M | +1.6M (+33.40%) | Jun 30, 2026 |
ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.75% | 4.4M | +400,000 (+9.09%) | Jun 30, 2026 |
OPALEYE MANAGEMENT INC. | 3.83% | 3.5M | +1.4M (+40.19%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ROYCE FUND | 0.50% | 464,115 | 0 (0.00%) | Jun 30, 2026 |
FIDELITY SALEM STREET TRUST | 0.36% | 333,914 | 0 (0.00%) | May 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.32% | 293,233 | 0 (0.00%) | Apr 30, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.30% | 277,158 | +7,689 (+2.77%) | May 31, 2026 |
T. Rowe Price New Horizons Fund, Inc. | 0.28% | 261,886 | 0 (0.00%) | Mar 31, 2026 |
T. Rowe Price Small-Cap Stock Fund, Inc. | 0.25% | 231,130 | 0 (0.00%) | Mar 31, 2026 |
T. Rowe Price Health Sciences Fund, Inc. | 0.21% | 193,459 | 0 (0.00%) | Mar 31, 2026 |
Current Ownership Distribution
- Institutions883.6M (92.42%)
- Mutual Funds37.7M (3.95%)
- Insiders34.8M (3.64%)
- Other0 (0.00%)
Insider Transactions
- 3.64% (34.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 2Number of InsiderSelling (last 12 months)
- $20.9MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Giroux Richard CFO & COO | Sell | Jul 21, 2026 | $700,560.00 | 56,000 | $12.51 | 908,530 |
Forbes Alexandria PRESIDENT & CEO | Award | Jun 25, 2026 | $0.00 | 980,000 | $0.00 | 980,000 |
Naylor Stuart CHIEF SCI OFCR, OPHTHALMOLOGY | Award | Jun 25, 2026 | $0.00 | 70,000 | $0.00 | 70,000 |
Harris Keith R. | Award | Jun 11, 2026 | $0.00 | 106,441 | $0.00 | 106,441 |
Hukkelhoven Ellen | Award | Jun 11, 2026 | $0.00 | 60,000 | $0.00 | 60,000 |
PERCEPTIVE ADVISORS LLC | Award | Jun 11, 2026 | $0.00 | 60,000 | $0.00 | 60,000 |
Forbes Alexandria PRESIDENT & CEO | Sell | Mar 24, 2026 | $459,420.00 | 62,000 | $7.41 | 1.4M |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Feb 21, 2026 | $0.00 | 25,000 | $0.00 | 25,000 |
Wollin Robert J GENERAL COUNSEL AND SECRETARY | Exempt | Feb 21, 2026 | $0.00 | 11,250 | $0.00 | 11,250 |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Feb 21, 2026 | $0.00 | 25,000 | $0.00 | 707,916 |
Wollin Robert J GENERAL COUNSEL AND SECRETARY | Exempt | Feb 21, 2026 | $0.00 | 11,250 | $0.00 | 63,326 |
Naylor Stuart CHIEF DEV. OFFICER | In Kind | Feb 21, 2026 | $87,537.50 | 11,750 | $7.45 | 696,166 |
Wollin Robert J GENERAL COUNSEL AND SECRETARY | In Kind | Feb 21, 2026 | $44,320.05 | 5,949 | $7.45 | 57,377 |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Jan 17, 2026 | $0.00 | 75,000 | $0.00 | 75,000 |
Zeldin Robert K CHIEF MEDICAL OFFICER | Exempt | Jan 17, 2026 | $0.00 | 35,000 | $0.00 | 35,000 |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Jan 17, 2026 | $0.00 | 75,000 | $0.00 | 718,166 |
Giroux Richard CFO & COO | Exempt | Jan 17, 2026 | $0.00 | 310,000 | $0.00 | 310,000 |
Naylor Stuart CHIEF DEV. OFFICER | In Kind | Jan 17, 2026 | $261,555.00 | 35,250 | $7.42 | 682,916 |
Zeldin Robert K CHIEF MEDICAL OFFICER | Exempt | Jan 17, 2026 | $0.00 | 35,000 | $0.00 | 182,291 |
Giroux Richard CFO & COO | Exempt | Jan 17, 2026 | $0.00 | 310,000 | $0.00 | 1.2M |
Zeldin Robert K CHIEF MEDICAL OFFICER | In Kind | Jan 17, 2026 | $103,516.42 | 13,951 | $7.42 | 168,340 |
Giroux Richard CFO & COO | In Kind | Jan 17, 2026 | $1.2M | 163,916 | $7.42 | 999,256 |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Jan 07, 2026 | $0.00 | 37,500 | $0.00 | 0 |
Giroux Richard CFO & COO | Exempt | Jan 07, 2026 | $0.00 | 52,500 | $0.00 | 0 |
Zeldin Robert K CHIEF MEDICAL OFFICER | Exempt | Jan 07, 2026 | $0.00 | 17,500 | $0.00 | 0 |
Wollin Robert J GENERAL COUNSEL AND SECRETARY | Exempt | Jan 07, 2026 | $0.00 | 7,500 | $0.00 | 0 |
Naylor Stuart CHIEF DEV. OFFICER | Exempt | Jan 07, 2026 | $0.00 | 37,500 | $0.00 | 660,791 |
Giroux Richard CFO & COO | Exempt | Jan 07, 2026 | $0.00 | 52,500 | $0.00 | 881,994 |
Zeldin Robert K CHIEF MEDICAL OFFICER | Exempt | Jan 07, 2026 | $0.00 | 17,500 | $0.00 | 154,020 |
Forbes Alexandria PRESIDENT & CEO | Exempt | Jan 07, 2026 | $0.00 | 62,500 | $0.00 | 0 |