AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

S.A. Mason LLC's Holding History (CIK: 0001800911)

Note: Option positions (PUT/CALL) are excluded.

Q1 2020
Shares 100 Value ($000) $6 Avg Close $74.64 Range $44.30 - $88.80
Q4 2019
Shares 100 Value ($000) $8 Avg Close $81.44 Range $70.43 - $87.94