# ALEXION PHARMACEUTICALS INC (ALXN)

> Institutional ownership reported to the SEC as of Q1 2026, from Form 13F filings. Source: https://holderbook.com/stocks/ALXN/

- Reporting holders: 2
- Reported value: $2.2M
- Held through calls: 0.0%
- Held through puts: 0.0%

A 13F reports long US equity positions only. Shorts, bonds, foreign listings and cash are not visible here, and positions are disclosed up to 45 days after the quarter ends.

## Largest holders

| Manager | Value | Shares | Share of their book | Quarters held |
|---|---|---|---|---|
| [Kentucky Retirement Systems](https://holderbook.com/funds/1537783-kentucky-retirement-systems/) | $2.2M | 16,188 | 0.2% | 1 |
| [Accent Capital Management, LLC](https://holderbook.com/funds/2014179-accent-capital-management-llc/) | $6.8K | 193 | 0.0% | 4 |

## Quarter by quarter

| Quarter | Holders | Reported value |
|---|---|---|
| Q1 2026 | 2 | $2.2M |
| Q4 2025 | 1 | $5.4K |
| Q3 2025 | 1 | $5.8K |
| Q2 2025 | 1 | $5.5K |
| Q4 2024 | 1 | $924.0K |
| Q4 2023 | 1 | $8.8K |
| Q3 2023 | 1 | $10.4K |
| Q2 2023 | 1 | $13.6K |
| Q1 2023 | 1 | $13.0K |
| Q4 2022 | 1 | $13.0K |
| Q3 2022 | 1 | $16.0K |
| Q2 2022 | 1 | $13.0K |