XTX Topco’s Acadian Asset Management AAMI Stock Holding History

XTX Topco’s Portfolio AAMI Stock Details AAMI Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$268K	Sell	4,921 -15,722	-76%	-$828K	﹤0.01%	2576
2025 Q4	$970K	Buy	20,643 +710	+4%	+$32.7K	0.03%	1046
2025 Q3	$960K	Sell	19,933 -10,308	-34%	-$459K	0.05%	599
2025 Q2	$1.07M	Sell	30,241 -4,991	-14%	-$145K	0.04%	626
2025 Q1	$911K	Buy	+35,232	New	+$886K	0.05%	621
2024 Q2	–	Sell	-14,268	Closed	-$326K	–	2571
2024 Q1	$326K	Sell	14,268 -6,605	-32%	-$142K	0.04%	779
2023 Q4	$400K	Buy	+20,873	New	+$369K	0.09%	400
2022 Q1	–	Sell	-13,045	Closed	-$334K	–	1003
2021 Q4	$334K	Buy	+13,045	New	+$367K	0.19%	159

Other funds holding AAMI

Paulson & Co New York $3.11B AUM 94.93% 1-Year Est. Return

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

Jennison Associates New York $145B AUM 34.61% 1-Year Est. Return

ECP

Empyrean Capital Partners Los Angeles, California $3.07B AUM 34.24% 1-Year Est. Return

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

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

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

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return

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

XTX Topco's AAMI Position: Q1 2026 in Review

XTX Topco reduced its Acadian Asset Management (AAMI) stake by 76% in Q1 2026, selling an estimated $828K and leaving 4,921 shares worth $268K. The position accounts for ﹤0.01% of the portfolio, ranked #2576.

XTX Topco first reported a position in AAMI in Q4 2021 and has held it in 8 quarters since. The position peaked at $1.07M in Q2 2025. 257 funds tracked by Wall St. Rank hold AAMI as of Q1 2026.

XTX Topco held 4,921 shares of Acadian Asset Management worth $268K as of Q1 2026.
XTX Topco sold 15,722 Acadian Asset Management shares in Q1 2026, an estimated $828K.
Acadian Asset Management made up ﹤0.01% of XTX Topco's portfolio in Q1 2026, its #2576 holding.
XTX Topco first reported a position in Acadian Asset Management in Q4 2021 and has held it in 8 quarters since.
XTX Topco's Acadian Asset Management position peaked at $1.07M in Q2 2025.
257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q1 2026.

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