SCHEDULE 13G/A

ICON PLC /ADR/

Ordinary Shares · CUSIP: G4705A100

Event date: 2025-06-30

Reporting persons may disclose overlapping interests. Their amounts are shown individually and are not added into a filing total.

Filing-level shares

Unavailable

Percent of class

Unavailable

• Artisan Partners Asset Management Inc.

  Shares: 7,184,870 · Class: 9.0%

• Artisan Partners Holdings LP

  Shares: 7,184,870 · Class: 9.0%

• Artisan Investments GP LLC

  Shares: 7,184,870 · Class: 9.0%

• Artisan Partners Limited Partnership

  Shares: 7,184,870 · Class: 9.0%

• Artisan Partners Funds, Inc.

  Shares: 5,518,132 · Class: 6.9%

Amounts are as disclosed in this filing. Schedule type alone does not establish investment intent.