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Campbell & Co Investment Adviser’s Affiliated Managers Group AMG Stock Holding History

Campbell & Co Investment Adviser’s Portfolio AMG Stock Details AMG Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$1.76M Sell
5,202
-10,230
-66% -$3.17M 0.09% 360
2026
Q1 		$4.27M Buy
+15,432
New +$4.65M 0.24% 97
2024
Q4 		– Sell
-31,694
Closed -$5.64M – 1040
2024
Q3 		$5.64M Buy
31,694
+10,298
+48% +$1.75M 0.42% 27
2024
Q2 		$3.34M Buy
21,396
+3,534
+20% +$563K 0.28% 66
2024
Q1 		$2.99M Sell
17,862
-14,381
-45% -$2.24M 0.26% 63
2023
Q4 		$4.88M Buy
32,243
+26,629
+474% +$3.58M 0.44% 11
2023
Q3 		$732K Buy
5,614
+2,740
+95% +$383K 0.09% 374
2023
Q2 		$431K Sell
2,874
-12,410
-81% -$1.78M 0.08% 501
2023
Q1 		$2.18M Buy
15,284
+9,079
+146% +$1.43M 0.41% 18
2022
Q4 		$983K Sell
6,205
-1,635
-21% -$231K 0.24% 104
2022
Q3 		$877K Buy
+7,840
New +$984K 0.2% 157
2022
Q2 		– Sell
-2,015
Closed -$284K – 671
2022
Q1 		$284K Sell
2,015
-316
-14% -$45.4K 0.08% 494
2021
Q4 		$383K Buy
+2,331
New +$391K 0.13% 277
2021
Q3 		– Sell
-4,931
Closed -$760K – 582
2021
Q2 		$760K Buy
+4,931
New +$787K 0.31% 74
2020
Q4 		– Sell
-4,345
Closed -$297K – 417
2020
Q3 		$297K Buy
4,345
+700
+19% +$48.9K 0.22% 183
2020
Q2 		$272K Buy
+3,645
New +$246K 0.34% 117
2020
Q1 		– Sell
-16,986
Closed -$1.44M – 42
2019
Q4 		$1.44M Buy
+16,986
New +$1.39M 0.44% 25
2014
Q4 		– Sell
-9,571
Closed -$1.92M – 198
2014
Q3 		$1.92M Buy
+9,571
New +$1.95M 0.98% 33
2013
Q3 		– Sell
-42,319
Closed -$6.94M – 235
2013
Q2 		$6.94M Buy
+42,319
New +$6.69M 1.34% 13

Other funds holding AMG

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Millennium Management
Millennium Management New York $276B AUM 44.8% 1-Year Est. Return
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management San Mateo, California $36.7B AUM 74.15% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

Campbell & Co Investment Adviser's AMG Position: Q2 2026 in Review

Campbell & Co Investment Adviser reduced its Affiliated Managers Group (AMG) stake by 66% in Q2 2026, selling an estimated $3.17M and leaving 5,202 shares worth $1.76M. The position accounts for 0.09% of the portfolio, ranked #360.

Campbell & Co Investment Adviser first reported a position in AMG in Q2 2013 and has held it in 19 quarters since. The position peaked at $6.94M in Q2 2013. 565 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

  • Campbell & Co Investment Adviser held 5,202 shares of Affiliated Managers Group worth $1.76M as of Q2 2026.
  • Campbell & Co Investment Adviser sold 10,230 Affiliated Managers Group shares in Q2 2026, an estimated $3.17M.
  • Affiliated Managers Group made up 0.09% of Campbell & Co Investment Adviser's portfolio in Q2 2026, its #360 holding.
  • Campbell & Co Investment Adviser first reported a position in Affiliated Managers Group in Q2 2013 and has held it in 19 quarters since.
  • Campbell & Co Investment Adviser's Affiliated Managers Group position peaked at $6.94M in Q2 2013.
  • 565 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on Campbell & Co Investment Adviser's 13F filing for Q2 2026, filed 3 Aug 2026.