Institutional Owners for ALXN
| Institution | Class | Position | Value | Shares | Portfolio Percentage (%) | Previous Percentage (%) | Shares Delta | Shares Delta (%) | Period of Report |
|---|---|---|---|---|---|---|---|---|---|
| TWIN SECURITIES INC | COM | 101 | $65,011,000 | 353,881 | 24.57 | 22.46 | 124,999 | 54.61 | 06-30-2021 |
