AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

Quantum Portfolio Management LLC's Holding History (CIK: 0002003672)

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

Q4 2025
Shares 2,245 Value ($000) $647 Avg Close $258.45 Range $230.09 - $299.69
Q3 2025
Shares 3,609 Value ($000) $860 Avg Close $220.39 Range $194.74 - $250.14
Q2 2025
Shares 2,350 Value ($000) $462 Avg Close $173.47 Range $139.20 - $199.47
Q1 2025
Shares 2,449 Value ($000) $412 Avg Close $174.30 Range $151.61 - $191.09
Q4 2024
Shares 4,940 Value ($000) $914 Avg Close $186.57 Range $173.54 - $199.47
Q3 2024
Shares 5,196 Value ($000) $924 Avg Close $169.81 Range $152.32 - $189.75
Q2 2024
Shares 2,889 Value ($000) $451 Avg Close $159.16 Range $147.08 - $169.59
Q1 2024
Shares 3,037 Value ($000) $509 Avg Close $155.40 Range $145.30 - $167.84