Russell 3000 market capitalization rises 7% to $81 trillion
SPY•Russell 3000 market capitalization rose 7% to $81 trillion at the October 30 rank date for the December 2026 reconstitution. The Russell 1000 reached $77.5 trillion, while the Russell 2000 remained broadly unchanged at $3.5 trillion.
1. Index market values
The Russell 3000’s market capitalization rose 7% to $81 trillion at the October 30 rank date for the December 2026 reconstitution. The Russell 1000 reached $77.5 trillion, while the Russell 2000 remained broadly unchanged at $3.5 trillion.
2. Reconstitution details
The market capitalization breakpoint between the Russell 1000 and Russell 2000 rose 1.7% to approximately $5.8 billion. The Magnificent Seven’s combined market capitalization grew 3% since the June reconstitution to $23 trillion. Expected additions totaled 21 companies for the Russell 1000 and 125 for the Russell 2000 under the restored semiannual reconstitution schedule.




