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AFFILIATED MANAGERS GROUP, INC. (AMG) Basic Shares Outstanding (Weighted Average)

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AFFILIATED MANAGERS GROUP, INC. Basic Shares Outstanding (Weighted Average)

AFFILIATED MANAGERS GROUP, INC. (AMG) reported Basic Shares Outstanding (Weighted Average) of 26.40 million shares for the 3-month period ending 2026-06-30, per its 10-Q filed 2026-08-07.

Financial Statements › Income Statement › Earnings Per Share

us-gaap:WeightedAverageNumberOfSharesOutstandingBasic · last filed 2026-08-07

  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for the quarter ending 2026-06-30 was 26.40M shares, a 7.37% decline year-over-year.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for the quarter ending 2026-03-31 was 26.80M shares, a 8.22% decline year-over-year.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for the quarter ending 2025-12-31 was 27.90M shares, a 7.62% decline year-over-year.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for the quarter ending 2025-09-30 was 28.40M shares, a 5.65% decline year-over-year.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for fiscal 2025 was 28.50M shares, a 8.36% decline from fiscal 2024.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for fiscal 2024 was 31.10M shares, a 11.40% decline from fiscal 2023.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for fiscal 2023 was 35.10M shares, a 8.83% decline from fiscal 2022.
  • AFFILIATED MANAGERS GROUP, INC. weighted average number of shares outstanding, basic for fiscal 2022 was 38.50M shares, a 7.23% decline from fiscal 2021.
Period endWeighted Average Number of Shares Outstanding, Basic 3 monthWeighted Average Number of Shares Outstanding, Basic 3 month as first filedWeighted Average Number of Shares Outstanding, Basic 6 monthWeighted Average Number of Shares Outstanding, Basic 6 month as first filedWeighted Average Number of Shares Outstanding, Basic 9 monthWeighted Average Number of Shares Outstanding, Basic 9 month as first filedWeighted Average Number of Shares Outstanding, Basic 12 monthWeighted Average Number of Shares Outstanding, Basic 12 month as first filed
2026-06-3026.40M shares
10-Q · filed 2026-08-07
26.60M shares
10-Q · filed 2026-08-07
27.03M shares
derived: average of 3 quarters · filed 2026-08-07
27.38M shares
derived: average of 4 quarters · filed 2026-08-07
2026-03-3126.80M shares
10-Q · filed 2026-05-07
27.35M shares
derived: average of 2 quarters · filed 2026-05-07
27.70M shares
derived: average of 3 quarters · filed 2026-05-07
27.90M shares
derived: average of 4 quarters · filed 2026-08-07
2025-12-3127.90M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-17
28.15M shares
derived: average of 2 quarters · filed 2026-02-17
28.27M shares
derived: average of 3 quarters · filed 2026-08-07
28.50M shares
10-K · filed 2026-02-17
2025-09-3028.40M shares
10-Q · filed 2025-11-06
28.45M shares
derived: average of 2 quarters · filed 2026-08-07
28.70M shares
10-Q · filed 2025-11-06
29.07M shares
derived: average of 4 quarters · filed 2026-08-07
2025-06-3028.50M shares
10-Q · filed 2026-08-07
28.90M shares
10-Q · filed 2026-08-07
29.30M shares
derived: average of 3 quarters · filed 2026-08-07
29.50M shares
derived: average of 4 quarters · filed 2026-08-07
2025-03-3129.20M shares
10-Q · filed 2026-05-07
29.70M shares
derived: average of 2 quarters · filed 2026-05-07
29.83M shares
derived: average of 3 quarters · filed 2026-05-07
30.25M shares
derived: average of 4 quarters · filed 2026-05-07
2024-12-3130.20M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-17
30.15M shares
derived: average of 2 quarters · filed 2026-02-17
30.60M shares
derived: average of 3 quarters · filed 2026-02-17
31.10M shares
10-K · filed 2026-02-17
2024-09-3030.10M shares
10-Q · filed 2025-11-06
30.80M shares
derived: average of 2 quarters · filed 2025-11-06
31.40M shares
10-Q · filed 2025-11-06
32.00M shares
derived: average of 4 quarters · filed 2026-02-17
2024-06-3031.50M shares
10-Q · filed 2025-08-07
32.10M shares
10-Q · filed 2025-08-07
32.63M shares
derived: average of 3 quarters · filed 2026-02-17
33.20M shares
derived: average of 4 quarters · filed 2026-02-17
2024-03-3132.80M shares
10-Q · filed 2025-05-08
33.20M shares
derived: average of 2 quarters · filed 2026-02-17
33.77M shares
derived: average of 3 quarters · filed 2026-02-17
34.30M shares
derived: average of 4 quarters · filed 2026-02-17
2023-12-3133.60M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2026-02-17
34.25M shares
derived: average of 2 quarters · filed 2026-02-17
34.80M shares
derived: average of 3 quarters · filed 2026-02-17
35.10M shares
10-K · filed 2026-02-17
2023-09-3034.90M shares
10-Q · filed 2024-11-07
35.40M shares
derived: average of 2 quarters · filed 2024-11-07
35.60M shares
10-Q · filed 2024-11-07
36.08M shares
derived: average of 4 quarters · filed 2025-02-14
2023-06-3035.90M shares
10-Q · filed 2024-08-02
35.90M shares
10-Q · filed 2024-08-02
36.47M shares
derived: average of 3 quarters · filed 2025-02-14
36.90M shares
derived: average of 4 quarters · filed 2025-02-14
2023-03-3135.90M shares
10-Q · filed 2024-05-07
36.75M shares
derived: average of 2 quarters · filed 2025-02-14
37.23M shares
derived: average of 3 quarters · filed 2025-02-14
37.60M shares
derived: average of 4 quarters · filed 2025-02-14
2022-12-3137.60M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2025-02-14
37.90M shares
derived: average of 2 quarters · filed 2025-02-14
38.17M shares
derived: average of 3 quarters · filed 2025-02-14
38.50M shares
10-K · filed 2025-02-14
2022-09-3038.20M shares
10-Q · filed 2023-11-06
38.45M shares
derived: average of 2 quarters · filed 2023-11-06
38.80M shares
10-Q · filed 2023-11-06
39.30M shares
derived: average of 4 quarters · filed 2024-02-16
2022-06-3038.70M shares
10-Q · filed 2023-08-07
39.20M shares
10-Q · filed 2023-08-07
39.67M shares
derived: average of 3 quarters · filed 2024-02-16
40.02M shares
derived: average of 4 quarters · filed 2024-02-16
2022-03-3139.70M shares
10-Q · filed 2023-05-08
40.15M shares
derived: average of 2 quarters · filed 2024-02-16
40.47M shares
derived: average of 3 quarters · filed 2024-02-16
40.75M shares
derived: average of 4 quarters · filed 2024-02-16
2021-12-3140.60M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2024-02-16
40.85M shares
derived: average of 2 quarters · filed 2024-02-16
41.10M shares
derived: average of 3 quarters · filed 2024-02-16
41.50M shares
10-K · filed 2024-02-16
2021-09-3041.10M shares
10-Q · filed 2022-11-07
41.35M shares
derived: average of 2 quarters · filed 2022-11-07
41.80M shares
10-Q · filed 2022-11-07
42.50M shares
derived: average of 4 quarters · filed 2023-02-17
2021-06-3041.60M shares
10-Q · filed 2022-08-04
42.10M shares
10-Q · filed 2022-08-04
42.97M shares
derived: average of 3 quarters · filed 2023-02-17
43.80M shares
derived: average of 4 quarters · filed 2023-02-17
2021-03-3142.60M shares
10-Q · filed 2022-05-06
43.65M shares
derived: average of 2 quarters · filed 2023-02-17
44.53M shares
derived: average of 3 quarters · filed 2023-02-17
45.20M shares
derived: average of 4 quarters · filed 2023-02-17
2020-12-3144.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2023-02-17
45.50M shares
derived: average of 2 quarters · filed 2023-02-17
46.07M shares
derived: average of 3 quarters · filed 2023-02-17
46.50M shares
10-K · filed 2023-02-17
2020-09-3046.30M shares
10-Q · filed 2021-11-05
46.75M shares
derived: average of 2 quarters · filed 2021-11-05
47.10M shares
10-Q · filed 2021-11-05
47.50M shares
derived: average of 4 quarters · filed 2022-02-18
2020-06-3047.20M shares
10-Q · filed 2021-08-05
47.50M shares
10-Q · filed 2021-08-05
47.90M shares
derived: average of 3 quarters · filed 2022-02-18
48.52M shares
derived: average of 4 quarters · filed 2022-02-18
2020-03-3147.80M shares
10-Q · filed 2021-05-07
48.25M shares
derived: average of 2 quarters · filed 2022-02-18
48.97M shares
derived: average of 3 quarters · filed 2022-02-18
49.48M shares
derived: average of 4 quarters · filed 2022-02-18
2019-12-3148.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2022-02-18
49.55M shares
derived: average of 2 quarters · filed 2022-02-18
50.03M shares
derived: average of 3 quarters · filed 2022-02-18
50.50M shares
10-K · filed 2022-02-18
2019-09-3050.40M shares
10-Q · filed 2020-10-30
50.70M shares
derived: average of 2 quarters · filed 2020-10-30
51.10M shares
10-Q · filed 2020-10-30
51.50M shares
derived: average of 4 quarters · filed 2021-02-19
2019-06-3051.00M shares
10-Q · filed 2020-07-31
51.50M shares
10-Q · filed 2020-07-31
51.87M shares
derived: average of 3 quarters · filed 2021-02-19
52.17M shares
derived: average of 4 quarters · filed 2021-02-19
2019-03-3151.90M shares
10-Q · filed 2020-05-04
52.30M shares
derived: average of 2 quarters · filed 2021-02-19
52.57M shares
derived: average of 3 quarters · filed 2021-02-19
52.92M shares
derived: average of 4 quarters · filed 2021-02-19
2018-12-3152.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2021-02-19
52.90M shares
derived: average of 2 quarters · filed 2021-02-19
53.27M shares
derived: average of 3 quarters · filed 2021-02-19
53.60M shares
10-K · filed 2021-02-19
2018-09-3053.10M shares
10-Q · filed 2019-11-01
53.55M shares
derived: average of 2 quarters · filed 2019-11-01
53.90M shares
10-Q · filed 2019-11-01
54.20M shares
derived: average of 4 quarters · filed 2020-02-28
2018-06-3054.00M shares
10-Q · filed 2019-08-01
54.30M shares
10-Q · filed 2019-08-01
54.57M shares
derived: average of 3 quarters · filed 2020-02-28
54.88M shares
derived: average of 4 quarters · filed 2020-02-28
2018-03-3154.60M shares
10-Q · filed 2019-05-09
54.85M shares
derived: average of 2 quarters · filed 2020-02-28
55.17M shares
derived: average of 3 quarters · filed 2020-02-28
55.45M shares
derived: average of 4 quarters · filed 2020-02-28
2017-12-3155.10M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2020-02-28
55.45M shares
derived: average of 2 quarters · filed 2020-02-28
55.73M shares
derived: average of 3 quarters · filed 2020-02-28
56.00M shares
10-K · filed 2020-02-28
2017-09-3055.80M shares
10-Q · filed 2018-11-01
56.05M shares
derived: average of 2 quarters · filed 2018-11-01
56.30M shares
10-Q · filed 2018-11-01
55.98M shares
derived: average of 4 quarters · filed 2019-02-22
2017-06-3056.30M shares
10-Q · filed 2018-08-02
56.50M shares
10-Q · filed 2018-08-02
56.03M shares
derived: average of 3 quarters · filed 2019-02-22
55.50M shares
derived: average of 4 quarters · filed 2019-02-22
2017-03-3156.70M shares
10-Q · filed 2018-05-04
55.90M shares
derived: average of 2 quarters · filed 2019-02-22
55.23M shares
derived: average of 3 quarters · filed 2019-02-22
54.88M shares
derived: average of 4 quarters · filed 2019-02-22
2016-12-3155.10M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2019-02-22
54.50M shares
derived: average of 2 quarters · filed 2019-02-22
54.27M shares
derived: average of 3 quarters · filed 2019-02-22
54.20M shares
10-K · filed 2019-02-22
2016-09-3053.90M shares
10-Q · filed 2017-11-02
53.85M shares
derived: average of 2 quarters · filed 2017-11-02
53.90M shares
10-Q · filed 2017-11-02
53.85M shares
derived: average of 4 quarters · filed 2018-02-23
2016-06-3053.80M shares
10-Q · filed 2017-08-03
53.90M shares
10-Q · filed 2017-08-03
53.83M shares
derived: average of 3 quarters · filed 2018-02-23
53.92M shares
derived: average of 4 quarters · filed 2018-02-23
2016-03-3154.00M shares
10-Q · filed 2017-05-05
53.85M shares
derived: average of 2 quarters · filed 2018-02-23
53.97M shares
derived: average of 3 quarters · filed 2018-02-23
54.13M shares
derived: average of 4 quarters · filed 2018-02-23
2015-12-3153.70M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2018-02-23
53.95M shares
derived: average of 2 quarters · filed 2018-02-23
54.17M shares
derived: average of 3 quarters · filed 2018-02-23
54.30M shares
10-K · filed 2018-02-23
2015-09-3054.20M shares
10-Q · filed 2016-11-07
54.40M shares
derived: average of 2 quarters · filed 2016-11-07
54.50M shares
10-Q · filed 2016-11-07
54.73M shares
derived: average of 4 quarters · filed 2017-02-24
2015-06-3054.60M shares
10-Q · filed 2016-08-05
54.70M shares
10-Q · filed 2016-08-05
54.90M shares
derived: average of 3 quarters · filed 2017-02-24
55.08M shares
derived: average of 4 quarters · filed 2017-02-24
2015-03-3154.80M shares
10-Q · filed 2016-05-10
55.05M shares
derived: average of 2 quarters · filed 2017-02-24
55.23M shares
derived: average of 3 quarters · filed 2017-02-24
55.27M shares
derived: average of 4 quarters · filed 2017-02-24
2014-12-3155.30M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2017-02-24
55.45M shares
derived: average of 2 quarters · filed 2017-02-24
55.43M shares
derived: average of 3 quarters · filed 2017-02-24
55.00M shares
10-K · filed 2017-02-24
2014-09-3055.60M shares
10-Q · filed 2015-11-09
55.50M shares
derived: average of 2 quarters · filed 2015-11-09
54.90M shares
10-Q · filed 2015-11-09
54.52M shares
derived: average of 4 quarters · filed 2016-02-25
2014-06-3055.40M shares
10-Q · filed 2015-08-04
54.60M shares
10-Q · filed 2015-08-04
54.17M shares
derived: average of 3 quarters · filed 2016-02-25
53.92M shares
derived: average of 4 quarters · filed 2016-02-25
2014-03-3153.70M shares
10-Q · filed 2015-05-05
53.55M shares
derived: average of 2 quarters · filed 2016-02-25
53.43M shares
derived: average of 3 quarters · filed 2016-02-25
53.35M shares
derived: average of 4 quarters · filed 2016-02-25
2013-12-3153.40M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2016-02-25
53.30M shares
derived: average of 2 quarters · filed 2016-02-25
53.23M shares
derived: average of 3 quarters · filed 2016-02-25
53.10M shares
10-K · filed 2016-02-25
2013-09-3053.20M shares
10-Q · filed 2014-11-06
53.15M shares
derived: average of 2 quarters · filed 2014-11-06
53.00M shares
10-Q · filed 2014-11-06
52.75M shares
derived: average of 4 quarters · filed 2015-02-23
2013-06-3053.10M shares
10-Q · filed 2014-08-06
52.90M shares
10-Q · filed 2014-08-06
52.60M shares
derived: average of 3 quarters · filed 2015-02-23
52.38M shares
derived: average of 4 quarters · filed 2015-02-23
2013-03-3152.70M shares
10-Q · filed 2014-05-06
52.35M shares
derived: average of 2 quarters · filed 2015-02-23
52.13M shares
derived: average of 3 quarters · filed 2015-02-23
51.95M shares
derived: average of 4 quarters · filed 2015-02-23
2012-12-3152.00M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2015-02-23
51.85M shares
derived: average of 2 quarters · filed 2015-02-23
51.70M shares
derived: average of 3 quarters · filed 2015-02-23
51.70M shares
10-K · filed 2015-02-23
2012-09-3051.70M shares
10-Q · filed 2013-11-12
51.55M shares
derived: average of 2 quarters · filed 2013-11-12
51.60M shares
10-Q · filed 2013-11-12
51.55M shares
derived: average of 4 quarters · filed 2014-02-27
2012-06-3051.40M shares
10-Q · filed 2013-08-06
51.50M shares
10-Q · filed 2013-08-06
51.50M shares
derived: average of 3 quarters · filed 2014-02-27
51.60M shares
derived: average of 4 quarters · filed 2014-02-27
2012-03-3151.60M shares
10-Q · filed 2013-05-07
51.55M shares
derived: average of 2 quarters · filed 2014-02-27
51.67M shares
derived: average of 3 quarters · filed 2014-02-27
51.77M shares
derived: average of 4 quarters · filed 2014-02-27
2011-12-3151.50M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2014-02-27
51.70M shares
derived: average of 2 quarters · filed 2014-02-27
51.83M shares
derived: average of 3 quarters · filed 2014-02-27
51.80M shares
10-K · filed 2014-02-27
2011-09-3051.90M shares
10-Q · filed 2012-11-06
52.00M shares
derived: average of 2 quarters · filed 2012-11-06
51.90M shares
10-Q · filed 2012-11-06
51.77M shares
derived: average of 4 quarters · filed 2013-02-22
2011-06-3052.10M shares
10-Q · filed 2012-08-08
51.90M shares
10-Q · filed 2012-08-08
51.73M shares
derived: average of 3 quarters · filed 2013-02-22
51.60M shares
derived: average of 4 quarters · filed 2013-02-22
2011-03-3151.80M shares
10-Q · filed 2012-05-08
51.55M shares
derived: average of 2 quarters · filed 2013-02-22
51.43M shares
derived: average of 3 quarters · filed 2013-02-22
49.73M shares
derived: average of 4 quarters · filed 2013-02-22
2010-12-3151.30M shares
derived: 10-K 12 month − 10-Q 9 month · filed 2013-02-22
51.25M shares
derived: average of 2 quarters · filed 2013-02-22
49.03M shares
derived: average of 3 quarters · filed 2013-02-22
47.40M shares
10-K · filed 2013-02-22
47.43M shares
10-K · filed 2011-03-01
2010-09-3051.20M shares
10-Q · filed 2011-11-04
51.15B shares
10-Q · filed 2010-11-09
47.90M shares
derived: average of 2 quarters · filed 2011-11-04
46.10M shares
10-Q · filed 2011-11-04
46.05B shares
10-Q · filed 2010-11-09
-30.76B shares
derived: average of 4 quarters · filed 2012-02-23
2010-06-3044.60M shares
10-Q · filed 2011-08-09
44.61B shares
10-Q · filed 2010-08-09
43.50M shares
10-Q · filed 2011-08-09
43.49B shares
10-Q · filed 2010-08-09
-41.03B shares
derived: average of 3 quarters · filed 2012-02-23
-20.31B shares
derived: average of 4 quarters · filed 2012-02-23
2010-03-3142.40M shares
10-Q · filed 2011-05-10
-61.57B shares
derived: average of 2 quarters · filed 2012-02-23
-27.10B shares
derived: average of 3 quarters · filed 2012-02-23
-9.96B shares
derived: average of 4 quarters · filed 2012-02-23
2009-12-31-123.18B shares
derived: 10-K 12 month − 10-Q 9 month · filed 2012-02-23
-40.66B shares
derived: average of 2 quarters · filed 2012-02-23
-13.29B shares
derived: average of 3 quarters · filed 2012-02-23
41.40M shares
10-K · filed 2012-02-23
41.39M shares
10-K · filed 2011-03-01
2009-09-3041.85B shares
10-Q · filed 2010-11-09
41.65B shares
derived: average of 2 quarters · filed 2010-11-09
41.12B shares
10-Q · filed 2010-11-09
2009-06-3041.45B shares
10-Q · filed 2010-08-09
40.74B shares
10-Q · filed 2010-08-09
2008-12-3138.21M shares
10-K · filed 2011-03-01

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