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MEIRAGTX (MGTX)
NASDAQ
$11.80-$0.010 (-0.08%)
Price as of Jun 23, 2026 4:10 PM EDT- $508.4MMarket Cap
- 81.93%1-Year Change
- BiotechnologyIndustry
MEIRAGTX (MGTX)
$11.80-$0.010 (-0.08%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
SANOFI | 13.17% | 12.2M | 0 (0.00%) | Mar 31, 2026 |
PERCEPTIVE ADVISORS LLC | 11.15% | 10.3M | 0 (0.00%) | Mar 31, 2026 |
RUBRIC CAPITAL MANAGEMENT LP | 7.56% | 7.0M | +824,669 (+11.78%) | Mar 31, 2026 |
JOHNSON & JOHNSON | 7.17% | 6.6M | 0 (0.00%) | Mar 31, 2026 |
ADAGE CAPITAL PARTNERS GP, L.L.C. | 4.32% | 4.0M | 0 (0.00%) | Mar 31, 2026 |
MILLENNIUM MANAGEMENT LLC | 3.74% | 3.5M | +289,309 (+8.35%) | Mar 31, 2026 |
BLACKROCK, INC. | 3.42% | 3.2M | +98,304 (+3.10%) | Mar 31, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
ROYCE FUND | 0.50% | 464,115 | 0 (0.00%) | Mar 31, 2026 |
FIDELITY SALEM STREET TRUST | 0.36% | 333,914 | 0 (0.00%) | Mar 31, 2026 |
DFA INVESTMENT DIMENSIONS GROUP INC | 0.32% | 293,233 | 0 (0.00%) | Jan 31, 2026 |
VANGUARD SCOTTSDALE FUNDS | 0.29% | 269,469 | +27,714 (+10.28%) | Feb 28, 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
- Institutions803.7M (92.09%)
- Insiders34.9M (4.00%)
- Mutual Funds34.2M (3.91%)
- Other0 (0.00%)
Insider Transactions
- 4.00% (34.9M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 1Number of InsiderSelling (last 12 months)
- $20.8MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
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 |
Naylor Stuart CHIEF DEV. OFFICER | In Kind | Jan 07, 2026 | $136,241.25 | 17,625 | $7.73 | 643,166 |
Giroux Richard CFO & COO | In Kind | Jan 07, 2026 | $222,794.06 | 28,822 | $7.73 | 853,172 |
Zeldin Robert K CHIEF MEDICAL OFFICER | In Kind | Jan 07, 2026 | $52,015.17 | 6,729 | $7.73 | 147,291 |