6 institutions reported holding $39.1M of ALCON AG (ACL) in SEC 13F filings for 2026-06-30. Largest institutional holders: Optiver Holding B.V. ($26.8M), JPMORGAN CHASE & CO ($7.3M), IMC-Chicago, LLC ($3.3M), SIMPLEX TRADING, LLC ($1.4M), GROUP ONE TRADING LLC ($335,500). Source: SEC Form 13F.
| Rank | Institution | Value | Shares | Change |
|---|---|---|---|---|
| 1 | Optiver Holding B.V. | $26.8M | 399,900 | Added |
| 2 | JPMORGAN CHASE & CO | $7.3M | 107,500 | Added |
| 3 | IMC-Chicago, LLC | $3.3M | 48,700 | Added |
| 4 | SIMPLEX TRADING, LLC | $1.4M | 20,500 | Added |
| 5 | GROUP ONE TRADING LLC | $335,500 | 5,000 | Trimmed |
| 6 | HUNTINGTON NATIONAL BANK | $168 | 1 | Hold |
Source: SEC Form 13F filings · as of 2026-06-30