Affiliated Managers Group, INC Schedule 13G passive stakes

Morgan Stanley and Atlanta Capital Management Company, LLC have filed an amendment to their Schedule 13G, reporting changes in their beneficial ownership of Affiliated Managers Group, Inc. common stock.

Vanguard Capital Management has reported beneficial ownership of 5.19% of Affiliated Managers Group Inc.'s common stock as of March 31, 2026.

Vanguard Portfolio Management has disclosed a beneficial ownership of 5.12% in Affiliated Managers Group Inc., holding 1,368,430 shares as of March 31, 2026.

The Vanguard Group has reported zero beneficial ownership in Affiliated Managers Group Inc. following an internal realignment that disaggregated its reporting.

The Vanguard Group filed an amended Schedule 13G, disclosing a 10.20% beneficial ownership in Affiliated Managers Group Inc. and detailing an internal realignment affecting its reporting structure.

Clarkston Capital Partners and its affiliates have reported a 3.21% beneficial ownership stake in Affiliated Managers Group, Inc., totaling 904,119 shares.

Morgan Stanley and its affiliates disclose beneficial ownership in Affiliated Managers Group, with Eaton Vance SMID-Cap Fund dropping below 5%.

Millennium Management and related entities have filed an amended Schedule 13G, reporting passive beneficial ownership of 3.6% of Affiliated Managers Group, Inc. common stock as of September 30, 2025.

The Vanguard Group reported an increased beneficial ownership of 9.75% in Affiliated Managers Group Inc., holding 2,771,811 shares of common stock.

Millennium Management LLC, along with its affiliates Integrated Core Strategies (US) LLC, Millennium Group Management LLC, and Israel A. Englander, have disclosed a passive beneficial ownership of 5.3% in Affiliated Managers Group, Inc.

Millennium Management LLC and its affiliates, including Integrated Core Strategies (US) LLC and Israel A. Englander, have filed a Schedule 13G disclosing their beneficial ownership in Affiliated Managers Group, Inc., noting they ceased to hold more than 5% by the filing date.

Clarkston Capital Partners, along with its affiliated entities and individuals, has disclosed a 5.20% beneficial ownership stake in Affiliated Managers Group, Inc., totaling 1,572,189 shares of common stock as of December 31, 2024.