Alexion PharmaceuticalsALXN
13F holders, Q1 2026 (March 31)2holders +1
1new positions
0sold out
$131.91avg. 13F price*
At the end of Q1 2026, 2 institutions reported holding Alexion Pharmaceuticals Inc. (ALXN) in their 13F filings, up 1 from Q4 2025. 1 opened new positions and 0 sold out. The largest holders were Kentucky Retirement Systems ($2.2M) and Accent Capital Management, LLC ($7K).
- Company
- Alexion Pharmaceuticals Inc.
- CUSIP
- 015351109
- Latest filing quarter
- Q1 2026
History
Number of 13F holders
Total Exit/New Position Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 1 | $2.2M |
| Exits | 0 | $0 |
All 13F filers, Q4 2025 → Q1 2026: 16,188 shares bought, net +16,188 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 2 holders
| Kentucky Retirement Systems | 0.16% | New | 16,188 | $2.2M |
| Accent Capital Management, LLC | 0.00% | No change | 193 | $7K |
"% of holder's portfolio" is ALXN's weight in each manager's 13F, not the share of Alexion Pharmaceuticals Inc. the manager owns.