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Sirius XM Holdings Set to Join S&P MidCap 400

$DHRPress releaseJun 8, 2026, 6:10 PM ETRead the release

Sirius XM Holdings (SIRI) will replace Masimo Corp. (MASI) in the S&P MidCap 400 effective June 11, 2026. The release notes that Danaher Corp. (DHR) is acquiring Masimo in a deal expected to complete soon pending final conditions.

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    DHR: Sirius XM Holdings Set to Join S&P MidCap 400 — AI Analysis | Signal8