ALEXION PHARMACEUTICALS INC (ALXN)
Institutional ownership reported to the SEC as of Q1 2026, across 26 quarters.
2
Reporting holders
$9.0K
Reported value
0.0%
Held as options
+1
Holder change
Options share is the part of reported value carried in derivative lines rather than shares. A high figure means institutions are expressing a view on this security without owning much of it.
Holders
| Filer | Value | Shares | Their book | Held | Change |
|---|---|---|---|---|---|
| Accent Capital Management, LLC | $6.8K | 193 | 0.00% | 4q | HELD |
| Kentucky Retirement Systems | $2.2K | 16,188 | 0.16% | new | NEW |
Quarter by quarter
Coverage begins with the quarter ending 2018-12-31. Earlier filings exist only as occasional late amendments, too sparse to describe a market, so they are not shown.
| Quarter | Holders | Value | Shares | New | Added | Trimmed | Options |
|---|---|---|---|---|---|---|---|
| Q1 2026 | 2 | $9.0K | 16,381 | 1 | 0 | 0 | 0.0% |
| Q4 2025 | 1 | $5.4K | 193 | 0 | 0 | 0 | 0.0% |
| Q3 2025 | 1 | $5.8K | 193 | 0 | 0 | 0 | 0.0% |
| Q2 2025 | 1 | $5.5K | 193 | 1 | 0 | 0 | 0.0% |
| Q4 2024 | 1 | $924 | 6,944 | 1 | 0 | 0 | 0.0% |
| Q4 2023 | 1 | $8.8K | 61 | 0 | 0 | 0 | 0.0% |
| Q3 2023 | 1 | $10.4K | 61 | 0 | 0 | 0 | 0.0% |
| Q2 2023 | 1 | $13.6K | 61 | 0 | 0 | 0 | 0.0% |
| Q1 2023 | 1 | $13 | 61 | 0 | 0 | 0 | 0.0% |
| Q4 2022 | 1 | $13 | 61 | 0 | 0 | 0 | 0.0% |
| Q3 2022 | 1 | $16.0K | 61 | 0 | 1 | 0 | 0.0% |
| Q2 2022 | 1 | $13.0K | 60 | 0 | 0 | 0 | 0.0% |
| Q1 2022 | 1 | $13.0K | 60 | 0 | 0 | 0 | 0.0% |
| Q4 2021 | 1 | $14.0K | 60 | 0 | 0 | 0 | 0.0% |
| Q3 2021 | 6 | $823.0K | 5,793 | 1 | 2 | 2 | 0.0% |
| Q2 2021 | 705 | $39.6B | 212,219,668 | 63 | 226 | 279 | 1.3% |
| Q1 2021 | 748 | $31.7B | 204,520,208 | 76 | 236 | 303 | 1.5% |
| Q4 2020 | 825 | $32.7B | 200,320,789 | 162 | 231 | 270 | 3.7% |
| Q3 2020 | 707 | $23.4B | 199,420,690 | 64 | 253 | 245 | 2.6% |
| Q2 2020 | 708 | $23.2B | 200,629,104 | 124 | 232 | 240 | 3.0% |
| Q1 2020 | 653 | $18.8B | 201,591,302 | 80 | 259 | 223 | 3.4% |
| Q4 2019 | 671 | $23.0B | 207,183,600 | 73 | 235 | 229 | 2.6% |
| Q3 2019 | 642 | $20.8B | 208,026,670 | 85 | 237 | 212 | 2.2% |
| Q2 2019 | 639 | $28.8B | 213,614,104 | 87 | 244 | 187 | 2.4% |
| Q1 2019 | 617 | $29.6B | 215,656,363 | 78 | 244 | 184 | 1.4% |
| Q4 2018 | 605 | $21.3B | 214,913,253 | 9 | 14 | 9 | 1.8% |