Institutional Ownership
Alexion Pharmaceuticals Inc
CUSIP 015351109COMALXNQ1 2026
13D / 13G Filings
11
Schedule 13D/13G on record
Beneficial Filers
5
Distinct reporting persons
Largest Stake
8.9%
Max % of class reported
Institutional Holders
2
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
11 filings · latest Aug 9, 2021
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Aug 9, 2021 | Blackrock Inc. | 13G/A | — | — | SEC |
| 2 | Feb 16, 2021 | Price T Rowe Associates Inc /Md/ | 13G/A | 0.7% | 1.54M | SEC |
| 3 | Feb 12, 2021 | State Street Corp | 13G/A | 4.9% | — | SEC |
| 4 | Feb 10, 2021 | Vanguard Group Inc | 13G/A | 8.9% | 19.41M | SEC |
| 5 | Feb 8, 2021 | Fmr LLC | 13G/A | 2.9% | — | SEC |
| 6 | Feb 5, 2021 | Blackrock Inc. | 13G/A | 8.3% | 18.17M | SEC |
| 7 | Feb 14, 2020 | Price T Rowe Associates Inc /Md/ | 13G/A | 5.4% | 12.11M | SEC |
| 8 | Feb 13, 2020 | State Street Corp | 13G | 5.1% | — | SEC |
| 9 | Feb 12, 2020 | Vanguard Group Inc | 13G/A | 7.6% | 16.76M | SEC |
| 10 | Feb 5, 2020 | Blackrock Inc. | 13G/A | 7.2% | 15.91M | SEC |
1 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Alexion Pharmaceuticals Inc.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Accent Capital Management, LLC | 193 | $6.8K |
| 2 | Kentucky Retirement Systems | 16.2K | $2.2K |