MeiraGTx Ownership | Who Owns MeiraGTx?
MeiraGTx Ownership Summary
MeiraGTx is owned by 16.80% institutional investors, 19.99% insiders, and 63.21% retail investors. Perceptive advisors is the largest institutional shareholder, holding 15.67% of MGTX shares. iShares Russell 2000 ETF is the top mutual fund, with 1.28% of its assets in MeiraGTx shares.
MGTX Ownership Benchmark
| Type | Name | % Inst | % Insiders | % Retail |
|---|---|---|---|---|
| Stock | MeiraGTx | 16.80% | 19.99% | 63.21% |
| Sector | Healthcare Stocks | 42.54% | 10.83% | 46.63% |
| Industry | Biotech Stocks | 45.22% | 10.75% | 44.04% |
Institutional Shareholders
Top Institutional Shareholders by Total Shares
| Holder | Shares | % Holding | Value |
|---|---|---|---|
| Perceptive advisors | 12.63M | 15.67% | $103.79M |
| Sanofi | 12.20M | 15.14% | $100.39M |
| Johnson & johnson | 6.64M | 8.24% | $54.66M |
| Adage capital partners gp | 4.18M | 5.19% | $34.44M |
| Prosight management, lp | 4.09M | 5.07% | $33.66M |
| Rubric capital management lp | 3.73M | 4.62% | $30.67M |
| Blackrock | 2.52M | 3.94% | $10.62M |
| Blackrock funding, inc. /de | 2.77M | 3.44% | $22.83M |
| 683 capital management | 2.63M | 3.26% | $21.60M |
| J. goldman & co lp | 1.80M | 2.23% | $14.82M |
Top Institutional Shareholders by % of Total Assets
| Holder | Shares | % Assets | Value |
|---|---|---|---|
| Sanofi | 12.20M | 38.56% | $100.39M |
| Johnson & johnson | 6.64M | 10.85% | $54.66M |
| Prosight management, lp | 4.09M | 7.85% | $33.66M |
| Knoll capital management | 1.25M | 5.51% | $10.29M |
| Perceptive advisors | 12.63M | 3.00% | $103.79M |
| 22nw, lp | 586.52K | 2.27% | $4.83M |
| 683 capital management | 2.63M | 1.13% | $21.60M |
| Amh equity | 80.00K | 0.82% | $658.40K |
| J. goldman & co lp | 1.80M | 0.37% | $14.82M |
| Rubric capital management lp | 3.73M | 0.35% | $30.67M |
Top Buyers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Morgan stanley | 1.24M | 0.00% | 787.64K |
| Blackrock | 2.52M | 0.00% | 335.25K |
| Woodline partners lp | 200.32K | 0.01% | 200.32K |
| Balyasny asset management | 140.90K | 0.00% | 140.90K |
| Goldman sachs group | 260.22K | 0.00% | 113.71K |
Top Sellers
| Holder | Shares | % Assets | Change |
|---|---|---|---|
| Adage capital partners gp | 4.18M | 0.05% | -1.85M |
| Prosight management, lp | 4.09M | 7.85% | -497.91K |
| Monashee investment management | - | - | -450.49K |
| Garden state investment advisory services | - | - | -392.40K |
| Alyeska investment group | - | - | -330.18K |
New Positions
| Holder | Shares | % Assets | Change | Value |
|---|---|---|---|---|
| Balyasny asset management | 140.90K | 0.00% | 140.90K | $918.69K |
| Jane street group | 104.49K | 0.00% | 104.49K | $859.98M |
| Stempoint capital lp | 81.86K | 0.14% | 81.86K | $673.69K |
| Amh equity | 80.00K | 0.82% | 80.00K | $658.40K |
| Dynamic technology lab private | 45.42K | 0.06% | 45.42K | $374.00M |
Sold Out
| Holder | Change |
|---|---|
| Nelson, van denburg & campbell wealth management group | -5.00 |
| Us bancorp \de\ | -38.00 |
| Covestor | -288.00 |
| Northwestern mutual wealth management | -300.00 |
| Washington trust | -479.00 |
Institutional Ownership Trends
| Date | Holdings | Change % | Shares | Change % | Ownership | Change % | Increased Position | Change % | Decreased Position | Change % |
|---|---|---|---|---|---|---|---|---|---|---|
| Sep 30, 2025 | 36 | -68.42% | 13,541,090 | -78.93% | 16 | 0.25% | 15 | -70.00% | 10 | -75.00% |
| Jun 30, 2025 | 113 | -6.61% | 64,259,162 | 7.12% | 81 | 1.41% | 49 | -23.44% | 40 | 14.29% |
| Mar 31, 2025 | 120 | 16.50% | 59,962,502 | 3.20% | 75 | 1.15% | 64 | 3.23% | 34 | 47.83% |
| Dec 31, 2024 | 95 | -5.94% | 51,367,916 | 12.62% | 71 | 1.77% | 58 | 16.00% | 21 | -25.00% |
| Sep 30, 2024 | 101 | 8.60% | 45,613,715 | 14.52% | 63 | 1.66% | 50 | - | 28 | 3.70% |
Top Mutual Funds Shareholders
| Holder | Shares | % Holding | Change |
|---|---|---|---|
| iShares Russell 2000 ETF | 1.03M | 1.28% | - |
| Fidelity Small Cap Index | 418.93K | 0.52% | -59.91K |
| iShares Biotechnology ETF | 325.52K | 0.40% | - |
| Invesco Dorsey Wright SmallCap Momt ETF | 298.82K | 0.37% | - |
| iShares Russell 2000 Growth ETF | 274.91K | 0.34% | - |
| State St Russell Sm/Mid Cp® Indx SL Cl I | 227.69K | 0.28% | - |
| Royce Smaller-Companies Growth Svc | 216.99K | 0.27% | - |
| State St Russell Sm/Mid Cp® Indx NL Cl C | 199.95K | 0.25% | - |
| Vanguard Russell 2000 ETF | 198.84K | 0.25% | -13.26K |
| Royce Micro-Cap Invmt | 177.68K | 0.23% | - |
Recent Insider Transactions
| Date | Name | Role | Activity | Value |
|---|---|---|---|---|
| Oct 21, 2025 | Giroux Richard | CFO & COO | Sell | $212.88K |
| Oct 07, 2025 | Forbes Alexandria | PRESIDENT & CEO | Sell | $398.52K |
| Jul 22, 2025 | Giroux Richard | CFO & COO | Sell | $204.48K |
| Jul 08, 2025 | Forbes Alexandria | PRESIDENT & CEO | Sell | $378.57K |
| Apr 22, 2025 | Giroux Richard | CFO & COO | Sell | $144.00K |
Insider Transactions Trends
| Date | Buy | Sell |
|---|---|---|
| 2025 Q4 | - | 2 |
| 2025 Q3 | - | 2 |
| 2025 Q2 | - | 2 |
| 2025 Q1 | - | 3 |
| 2024 Q3 | 1 | - |
MGTX Ownership FAQ
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