SCHEDULE 13G/A

Surgery Partners Inc

Common Stock · CUSIP: 86881A100

Event date: 2025-09-30

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

• JANUS HENDERSON GROUP PLC

  Shares: 13,036,583 · Class: 10.2%

• Janus Henderson Contrarian Fund

  Shares: 12,479,640 · Class: 9.7%

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