Simplex Trading’s Affiliated Managers Group AMG Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$323K Sell
955
-496
-34% -$154K ﹤0.01% 4137
2026
Q1
$401K Buy
+1,451
New +$437K ﹤0.01% 3530
2024
Q3
Sell
-84
Closed -$13K 8388
2024
Q2
$13K Buy
+84
New +$13.4K ﹤0.01% 7222
2023
Q3
Sell
-19
Closed -$2.66K 8563
2023
Q2
$2K Buy
+19
New +$2.72K ﹤0.01% 8352
2023
Q1
Sell
-135
Closed -$21.3K 8921
2022
Q4
$21K Buy
+135
New +$19.1K ﹤0.01% 6815
2022
Q3
Sell
-36
Closed -$4K 9818
2022
Q2
$4K Sell
36
-3,934
-99% -$506K ﹤0.01% 8920
2022
Q1
$559K Buy
3,970
+1,496
+60% +$215K ﹤0.01% 3704
2021
Q4
$406K Buy
+2,474
New +$415K ﹤0.01% 4106
2021
Q2
Sell
-5,614
Closed -$896K 9958
2021
Q1
$836K Sell
5,614
-4,180
-43% -$546K ﹤0.01% 2631
2020
Q4
$996K Buy
+9,794
New +$846K ﹤0.01% 2568
2020
Q3
Sell
-984
Closed -$68.8K 7715
2020
Q2
$73K Sell
984
-1,804
-65% -$122K ﹤0.01% 5120
2020
Q1
$164K Sell
2,788
-1,483
-35% -$111K ﹤0.01% 3816
2019
Q4
$361K Buy
+4,271
New +$350K ﹤0.01% 3074
2019
Q1
Sell
-14,767
Closed -$1.57M 7067
2018
Q4
$1.44M Buy
14,767
+12,387
+520% +$1.4M ﹤0.01% 1332
2018
Q3
$325K Buy
2,380
+88
+4% +$13K ﹤0.01% 3073
2018
Q2
$340K Buy
+2,292
New +$378K ﹤0.01% 2871
2018
Q1
Sell
-79
Closed -$15.4K 6051
2017
Q4
$16K Buy
+79
New +$15.3K ﹤0.01% 3487
2017
Q3
Sell
-783
Closed -$139K 5823
2017
Q2
$129K Sell
783
-2,764
-78% -$441K 0.01% 1545
2017
Q1
$581K Sell
3,547
-1,731
-33% -$274K 0.03% 605
2016
Q4
$766K Buy
+5,278
New +$766K 0.05% 346
2016
Q1
Sell
-1,929
Closed -$269K 5511
2015
Q4
$308K Buy
1,929
+864
+81% +$149K 0.02% 631
2015
Q3
$182K Sell
1,065
-283
-21% -$55.6K 0.01% 977
2015
Q2
$294K Buy
+1,348
New +$300K 0.02% 593

Other funds holding AMG

Simplex Trading's AMG Position: Q2 2026 in Review

Simplex Trading reduced its Affiliated Managers Group (AMG) stake by 34% in Q2 2026, selling an estimated $154K and leaving 955 shares worth $323K. The position accounts for ﹤0.01% of the portfolio, ranked #4137.

Simplex Trading first reported a position in AMG in Q2 2015 and has held it in 23 quarters since. The position peaked at $1.44M in Q4 2018. 566 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

  • Simplex Trading held 955 shares of Affiliated Managers Group worth $323K as of Q2 2026.
  • Simplex Trading sold 496 Affiliated Managers Group shares in Q2 2026, an estimated $154K.
  • Affiliated Managers Group made up ﹤0.01% of Simplex Trading's portfolio in Q2 2026, its #4137 holding.
  • Simplex Trading first reported a position in Affiliated Managers Group in Q2 2015 and has held it in 23 quarters since.
  • Simplex Trading's Affiliated Managers Group position peaked at $1.44M in Q4 2018.
  • 566 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on Simplex Trading's 13F filing for Q2 2026, filed 12 Aug 2026.