Skip to main content

Affiliated Managers Group, Inc.

MGR
Exchange
NYSE
Industry
Investment Advice
SEC CIK
0001004434

No open-market purchases or sales by Affiliated Managers Group, Inc. insiders were filed in the last 90 days; 2 institutions reported holding it in 13F filings for Q2 2026, worth $12.8K in total; no superinvestor holds it.

Other share classesAMGMGRBMGRDMGRE

Q2 2025 vs. Q1 2025

How the institutions holding Affiliated Managers Group, Inc. changed between Q1 2025 and Q2 2025.

All holders in Q2 2025All holders in Q1 2025

13F holders of MGR: Q1 2025 compared with Q2 2025
MeasureQ1 2025Q2 2025Change
Holders12+1
Shares3493.77K+3.42K (+979.7%)
Value$7.45K$76.1K+$68.7K (+921.4%)

New holders (1)

Institutions that held Affiliated Managers Group, Inc. at the end of Q2 2025 but not at the end of Q1 2025.

Institutions new to MGR in Q2 2025
InstitutionSharesValue% of portfolio
NBC Securities, Inc.3,517$71.0K0.01%

Sold out (0)

Institutions that held Affiliated Managers Group, Inc. at the end of Q1 2025 and filed for Q2 2025 without it.

None.