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 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 New York $5.72T AUM 30.48% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Ariel Investments Chicago, Illinois $8.93B AUM 29.58% 1-Year Est. Return

Boston Partners Boston, Massachusetts $95.5B AUM 28.4% 1-Year Est. Return

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Fuller & Thaler Asset Management San Mateo, California $29.7B AUM 43.33% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

XTX Topco's AMG Position: Q1 2026 in Review

XTX Topco opened a new position in Affiliated Managers Group (AMG) in Q1 2026: 11,807 shares worth $3.27M. The stake represents 0.06% of the portfolio and ranks #507 among its holdings. This is a return to the name: XTX Topco previously reported a position in AMG as recently as Q2 2025.

XTX Topco first reported a position in AMG in Q1 2021 and has held it in 10 quarters since. 543 funds tracked by Wall St. Rank hold AMG as of Q1 2026.

XTX Topco held 11,807 shares of Affiliated Managers Group worth $3.27M as of Q1 2026.
Affiliated Managers Group was a new XTX Topco position in Q1 2026.
Affiliated Managers Group made up 0.06% of XTX Topco's portfolio in Q1 2026, its #507 holding.
XTX Topco first reported a position in Affiliated Managers Group in Q1 2021 and has held it in 10 quarters since.
543 funds tracked by Wall St. Rank held Affiliated Managers Group as of Q1 2026.

Based on XTX Topco's 13F filing for Q1 2026, filed 15 May 2026.