XT
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XTX Topco’s Affiliated Managers Group AMG Stock Holding History

XTX Topco’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 		$1.82M Sell
5,388
-6,419
-54% -$1.99M 0.02% 1196
2026
Q1 		$3.27M Buy
+11,807
New +$3.56M 0.06% 507
2025
Q3 		– Sell
-12,013
Closed -$2.36M – 2522
2025
Q2 		$2.36M Sell
12,013
-2,682
-18% -$465K 0.1% 268
2025
Q1 		$2.47M Buy
14,695
+9,626
+190% +$1.68M 0.13% 177
2024
Q4 		$937K Buy
+5,069
New +$946K 0.08% 338
2024
Q3 		– Sell
-5,269
Closed -$823K – 2051
2024
Q2 		$823K Buy
5,269
+3,380
+179% +$538K 0.07% 436
2024
Q1 		$316K Buy
+1,889
New +$294K 0.04% 809
2023
Q4 		– Sell
-6,777
Closed -$883K – 1552
2023
Q3 		$883K Buy
6,777
+2,584
+62% +$361K 0.15% 136
2023
Q2 		$628K Buy
+4,193
New +$600K 0.11% 246
2021
Q3 		– Sell
-2,401
Closed -$370K – 669
2021
Q2 		$370K Buy
2,401
+181
+8% +$28.9K 0.12% 276
2021
Q1 		$331K Buy
+2,220
New +$290K 0.16% 231

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

XTX Topco's AMG Position: Q2 2026 in Review

XTX Topco reduced its Affiliated Managers Group (AMG) stake by 54% in Q2 2026, selling an estimated $1.99M and leaving 5,388 shares worth $1.82M. The position accounts for 0.02% of the portfolio, ranked #1196.

XTX Topco first reported a position in AMG in Q1 2021 and has held it in 11 quarters since. The position peaked at $3.27M in Q1 2026. 565 funds tracked by Wall St. Rank hold AMG as of Q2 2026.

  • XTX Topco held 5,388 shares of Affiliated Managers Group worth $1.82M as of Q2 2026.
  • XTX Topco sold 6,419 Affiliated Managers Group shares in Q2 2026, an estimated $1.99M.
  • Affiliated Managers Group made up 0.02% of XTX Topco's portfolio in Q2 2026, its #1196 holding.
  • XTX Topco first reported a position in Affiliated Managers Group in Q1 2021 and has held it in 11 quarters since.
  • XTX Topco's Affiliated Managers Group position peaked at $3.27M in Q1 2026.
  • 565 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.