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MEIRAGTX (MGTX)
NASDAQ
$9.77-$0.09 (-0.96%)
Price as of Oct 22, 2026 7:30 PM EDT- $436.6MMarket Cap
- 12.81%1-Year Change
- BiotechnologyIndustry
MEIRAGTX (MGTX)
$9.77-$0.09 (-0.96%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SANOFI | 12.70% | 12.2M | 0 (0.00%) | Jun 30, 2026 |
PERCEPTIVE ADVISORS LLC | 11.23% | 10.8M | +460,555 (+4.27%) | Jun 30, 2026 |
RUBRIC CAPITAL MANAGEMENT LP | 9.47% | 9.1M | +2.1M (+23.08%) | Jun 30, 2026 |
JOHNSON & JOHNSON | 6.91% | 6.6M | 0 (0.00%) | Jun 30, 2026 |
BLACKROCK, INC. | 4.95% | 4.8M | +1.6M (+33.40%) | Jun 30, 2026 |
ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.58% | 4.4M | +400,000 (+9.09%) | Jun 30, 2026 |
OPALEYE MANAGEMENT INC. | 3.70% | 3.5M | +1.4M (+40.19%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
TIAA-CREF FUNDS | 0.79% | 755,879 | +625,978 (+82.81%) | Jul 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.29% | 277,158 | +7,689 (+2.77%) | May 31, 2026 |
VANGUARD WORLD FUND | 0.14% | 133,062 | +1,531 (+1.15%) | May 31, 2026 |
VANGUARD HORIZON FUNDS | 0.12% | 113,461 | +113,461 (+100.00%) | Jun 30, 2026 |
INVESCO EXCHANGE-TRADED FUND TRUST | 0.06% | 57,010 | -6,028 (-10.57%) | Jul 31, 2026 |
MUTUAL FUND SERIES TRUST | 0.06% | 54,469 | +775 (+1.42%) | Jun 30, 2026 |
COLLEGE RETIREMENT EQUITIES FUND | 0.05% | 52,420 | +42,334 (+80.76%) | Jun 30, 2026 |
Current Ownership Distribution
- Institutions884.5M (91.85%)
- Mutual Funds43.7M (4.54%)
- Insiders34.8M (3.62%)
- Other0 (0.00%)
Insider Transactions
- 3.62% (34.8M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 3Number of InsiderSelling (last 12 months)
- $35.1MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
Giroux Richard CFO & COO | Sell | Oct 20, 2026 | $557,200.00 | 56,000 | $9.95 | 852,530 |
Naylor Stuart CHIEF SCI OFCR, OPHTHALMOLOGY | Sell | Oct 06, 2026 | $294,291.76 | 27,659 | $10.64 | 613,187 |
SEBULSKY ALAN | Award | Sep 23, 2026 | $0.00 | 100,000 | $0.00 | 100,000 |
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 |