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CenterBook Partners’s Affiliated Managers Group AMG Stock Holding History

CenterBook Partners’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
Q1 		– Sell
-1,388
Closed -$400K – 640
2025
Q4 		$400K Buy
+1,388
New +$359K 0.02% 503
2025
Q3 		– Sell
-2,063
Closed -$406K – 555
2025
Q2 		$406K Buy
2,063
+90
+5% +$15.6K 0.02% 462
2025
Q1 		$332K Sell
1,973
-3,696
-65% -$644K 0.02% 446
2024
Q4 		$1.05M Sell
5,669
-1,854
-25% -$346K 0.06% 326
2024
Q3 		$1.34M Sell
7,523
-14,914
-66% -$2.53M 0.08% 263
2024
Q2 		$3.51M Sell
22,437
-1,787
-7% -$285K 0.22% 182
2024
Q1 		$4.06M Buy
24,224
+13,809
+133% +$2.15M 0.28% 138
2023
Q4 		$1.58M Sell
10,415
-1,062
-9% -$143K 0.19% 179
2023
Q3 		$1.5M Buy
11,477
+5,553
+94% +$777K 0.19% 186
2023
Q2 		$888K Buy
5,924
+936
+19% +$134K 0.11% 258
2023
Q1 		$710K Sell
4,988
-2,654
-35% -$419K 0.1% 277
2022
Q4 		$1.21M Sell
7,642
-727
-9% -$103K 0.2% 176
2022
Q3 		$936K Buy
8,369
+2,021
+32% +$254K 0.18% 190
2022
Q2 		$740K Buy
6,348
+1,364
+27% +$176K 0.16% 220
2022
Q1 		$702K Buy
4,984
+3,395
+214% +$488K 0.25% 151
2021
Q4 		$261K Buy
+1,589
New +$266K 0.15% 223

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
AI
Ariel Investments Chicago, Illinois $10B AUM 42.59% 1-Year Est. Return
Boston Partners
Boston Partners Boston, Massachusetts $113B AUM 38.87% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 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
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

CenterBook Partners's AMG Position: Q1 2026 in Review

CenterBook Partners sold out of Affiliated Managers Group (AMG) in Q1 2026, closing a stake of 1,388 shares — an estimated $400K sold.

CenterBook Partners first reported a position in AMG in Q4 2021 and held it in 16 quarters. The position peaked at $4.06M in Q1 2024. 547 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

  • CenterBook Partners reported no remaining Affiliated Managers Group position as of Q1 2026 after selling out during the quarter.
  • CenterBook Partners sold 1,388 Affiliated Managers Group shares in Q1 2026, an estimated $400K.
  • CenterBook Partners first reported a position in Affiliated Managers Group in Q4 2021 and held it in 16 quarters.
  • CenterBook Partners's Affiliated Managers Group position peaked at $4.06M in Q1 2024.
  • 547 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on CenterBook Partners's 13F filing for Q1 2026, filed 5 May 2026.