Affiliated Managers Group, Inc. (MGRB) Shares Outstanding (2009 - 2026)

Affiliated Managers' Shares Outstanding (Entity) history runs 18 years deep, the most recent figure standing at $26.8 million for Q1 2026.

• On a quarterly basis, Shares Outstanding (Entity) fell 8.22% year-over-year to $26.8 million in Q1 2026; TTM through Mar 2026 was $26.8 million, a 8.22% decrease from a year earlier, with the FY2025 full-year figure at $28.5 million, down 8.36% from the prior year.
• Shares Outstanding (Entity) fell to $26.8 million in Q1 2026 per MGRB's latest filing, from $28.5 million in the prior quarter.
• Across five years, Shares Outstanding (Entity) topped out at $39.7 million in Q1 2022 and bottomed at $26.8 million in Q1 2026.
• The 5-year median for Shares Outstanding (Entity) is $32.8 million (2024), against an average of $33.2 million.
• Across the five-year window, Shares Outstanding (Entity) fell 13.75% in 2024 and declined 5.65% in 2025, its largest moves.
• Year by year, Shares Outstanding (Entity) stood at $38.5 million in 2022, then fell by 8.83% to $35.1 million in 2023, then dropped by 11.4% to $31.1 million in 2024, then retreated by 8.36% to $28.5 million in 2025, then retreated by 5.96% to $26.8 million in 2026.
• Per Business Quant, the three latest MGRB Shares Outstanding (Entity) figures stand at $26.8 million (Q1 2026), $28.5 million (Q4 2025), and $28.4 million (Q3 2025).