AFFILIATED MANAGERS GROUP

Ticker: AMG CUSIP: 008252108 Class: COM

SEI INVESTMENTS CO's Holding History (CIK: 0000350894)

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

Q4 2025
Shares 102,297 Value ($000) $29,489 Avg Close $258.45 Range $230.09 - $299.69
Q3 2025
Shares 97,874 Value ($000) $23,337 Avg Close $220.39 Range $194.74 - $250.14
Q2 2025
Shares 60,672 Value ($000) $11,938 Avg Close $173.47 Range $139.20 - $199.47
Q1 2025
Shares 48,666 Value ($000) $8,177 Avg Close $174.30 Range $151.61 - $191.09
Q4 2024
Shares 47,519 Value ($000) $8,787 Avg Close $186.57 Range $173.54 - $199.47
Q3 2024
Shares 65,589 Value ($000) $11,662 Avg Close $169.81 Range $152.32 - $189.75
Q2 2024
Shares 45,132 Value ($000) $7,051 Avg Close $159.16 Range $147.08 - $169.59
Q1 2024
Shares 48,185 Value ($000) $8,069 Avg Close $155.40 Range $145.30 - $167.84
Q4 2023
Shares 34,217 Value ($000) $5,181 Avg Close $134.30 Range $120.16 - $156.31
Q3 2023
Shares 40,548 Value ($000) $5,284 Avg Close $139.81 Range $129.01 - $163.83
Q2 2023
Shares 43,008 Value ($000) $6,447 Avg Close $143.06 Range $135.39 - $151.92
Q1 2023
Shares 42,316 Value ($000) $6,026 Avg Close $157.88 Range $132.31 - $180.50
Q4 2022
Shares 31,547 Value ($000) $4,998 Avg Close $141.36 Range $108.04 - $163.24
Q3 2022
Shares 31,123 Value ($000) $3,481 Avg Close $125.39 Range $109.48 - $141.92
Q1 2022
Shares 2,966 Value ($000) $368 Avg Close $143.53 Range $121.29 - $171.22
Q4 2021
Shares 7,787 Value ($000) $1,179 Avg Close $167.52 Range $146.96 - $191.42
Q3 2021
Shares 12,279 Value ($000) $1,784 Avg Close $163.56 Range $146.02 - $180.77
Q2 2021
Shares 19,103 Value ($000) $2,877 Avg Close $159.33 Range $147.97 - $176.63
Q3 2020
Shares 3,328 Value ($000) $216 Avg Close $69.80 Range $62.10 - $75.77
Q4 2019
Shares 3,505 Value ($000) $302 Avg Close $81.44 Range $70.43 - $87.94
Q3 2019
Shares 6,185 Value ($000) $520 Avg Close $82.65 Range $73.22 - $92.84
Q2 2019
Shares 23,749 Value ($000) $2,188 Avg Close $96.65 Range $82.01 - $113.84
Q1 2019
Shares 152,615 Value ($000) $16,331 Avg Close $104.33 Range $93.26 - $110.96
Q4 2018
Shares 117,297 Value ($000) $15,983 Avg Close $110.59 Range $86.74 - $136.36
Q3 2018
Shares 121,652 Value ($000) $16,622 Avg Close $144.30 Range $133.37 - $159.64
Q2 2018
Shares 100,259 Value ($000) $14,905 Avg Close $160.74 Range $145.08 - $182.71
Q1 2018
Shares 6,917 Value ($000) $1,312 Avg Close $189.64 Range $169.45 - $211.08
Q4 2017
Shares 119,749 Value ($000) $24,578 Avg Close $188.42 Range $173.99 - $202.01
Q3 2017
Shares 119,862 Value ($000) $22,753 Avg Close $172.79 Range $161.15 - $186.54
Q2 2017
Shares 122,088 Value ($000) $20,249 Avg Close $154.87 Range $144.44 - $164.19
Q1 2017
Shares 111,848 Value ($000) $18,336 Avg Close $153.31 Range $135.07 - $166.39
Q4 2016
Shares 90,546 Value ($000) $13,156 Avg Close $140.58 Range $126.32 - $157.66
Q3 2016
Shares 85,505 Value ($000) $12,373 Avg Close $138.59 Range $126.84 - $143.96
Q2 2016
Shares 84,233 Value ($000) $11,858 Avg Close $158.47 Range $126.98 - $174.12
Q1 2016
Shares 82,157 Value ($000) $13,342 Avg Close $135.06 Range $112.27 - $159.84
Q4 2015
Shares 72,964 Value ($000) $11,657 Avg Close $166.43 Range $137.16 - $184.66
Q3 2015
Shares 29,582 Value ($000) $5,059 Avg Close $190.37 Range $159.30 - $214.73
Q2 2015
Shares 37,636 Value ($000) $8,227 Avg Close $215.27 Range $205.22 - $223.28
Q1 2015
Shares 56,901 Value ($000) $12,223 Avg Close $204.27 Range $185.26 - $214.40
Q4 2014
Shares 123,977 Value ($000) $26,315 Avg Close $192.32 Range $168.87 - $209.59