S&P Index Changes Delete: MASI, Add: SIRI

研报英文原文证据摘录

S&P Index Changes Delete: MASI, Add: SIRI

US Index Update

Global Quantitative and Derivatives Strategy Team Min Moon

Week of Jun 8, 2026 As of Jun 8, 2026 (Close) g +1 (212) 272 ,8456 min.k.moon@jpmorgan.comg

Wednesday, June 10, 2026

• SP400 Sirius XM Holdings Inc. (NASD: SIRI) will replace Masimo Corp. (NASD: MASI) in the S&P MidCap 400 effective prior to the opening of trading on Thursday, June 11. S&P 500 & 100 constituent Danaher Corp. (NYSE:

DHR) is acquiring Masimo in a deal expected to be completed soon pending final conditions.

Shares Out (M) Indexer Flows S&P Index

Index Announcement Effective on Current New Weight Days to

Event Date Close of Ticker Name (Sector**) Event Detail Last Price Wgt Wgt Change Gross Net Trade Old New Shares Shares Rank IWF

(M) (M)

S&P 500 Add 5-Jun-26 18-Jun-26 MRVL Marvell Technolo (IT) Replaces POOL $ 288.85 0.00 875.55 0.000% 0.400% 0.400% 110.03 83.76 1.86 0.00 1.00

S&P 500 Add 5-Jun-26 18-Jun-26 FLEX Flex Ltd (IT) Moved from S&P 400 $ 150.83 0.00 367.67 0.000% 0.088% 0.088% 46.53 (1.51) (0.23) 0.00 1.00

S&P 500 Delete 5-Jun-26 18-Jun-26 POOL Pool Corp (CD) Moved to S&P 600 $ 180.95 37.25 0.00 0.010% 0.000% -0.010% -4.10 0.47 0.54 498.00 0.88

S&P 500 Delete 5-Jun-26 18-Jun-26 CPB The Campbell'S C (CS) Moved to S&P 600 $ 21.49 298.13 0.00 0.007% 0.000% -0.007% -24.62 3.30 0.42 501.00 0.66

S&P 400 Add 8-Jun-26 10-Jun-26 SIRI Sirius Xm Holdin (CM) Replacing MASI $ 27.44 0.00 334.77 0.000% 0.151% 0.151% 19.25 19.25 4.47 0.00 0.56

S&P 400 Delete 8-Jun-26 10-Jun-26 MASI Masimo Corp (HC) Acquired $ 179.94 53.71 0.00 0.235% 0.000% -0.235% -4.57 (5.89) (6.82) 178.00 0.85

S&P 400 Add 5-Jun-26 18-Jun-26 ROKU Roku Inc (CM) Replaces FLEX $ 123.57 0.00 131.19 0.000% 0.475% 0.475% 13.22 13.22 6.70 0.00 1.00