Simplex Trading’s Acadian Asset Management AAMI Stock Holding History

Simplex Trading’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
2025 Q4	–	Sell	-800	Closed	-$38K	–	10449
2025 Q3	$38K	Buy	+800	New	+$35.7K	﹤0.01%	6733
2024 Q2	–	Sell	-100	Closed	-$2K	–	10033
2024 Q1	$2K	Buy	+100	New	+$2.16K	﹤0.01%	8492
2023 Q1	–	Sell	-3,600	Closed	-$74K	–	10342
2022 Q4	$74K	Hold	3,600	–	–	﹤0.01%	5416
2022 Q3	$53K	Hold	3,600	–	–	﹤0.01%	6383
2022 Q2	$64K	Buy	3,600 +3,300	+1,100%	+$67.6K	﹤0.01%	6175
2022 Q1	$7K	Sell	300 -1,300	-81%	-$30.9K	﹤0.01%	9225
2021 Q4	$40K	Buy	1,600 +1,200	+300%	+$33.8K	﹤0.01%	7550
2021 Q3	$9K	Hold	400	–	–	﹤0.01%	9015
2021 Q2	$9K	Buy	400 +394	+6,567%	+$8.97K	﹤0.01%	9182
2021 Q1	$12K	Buy	6 +5	+500%	+$99	﹤0.01%	7817
2020 Q4	$1K	Buy	+1	New	+$17	﹤0.01%	8180

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

Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 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

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

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

SFM

Soros Fund Management New York $9.12B AUM 30.69% 1-Year Est. Return

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

Simplex Trading's AAMI Position: Q4 2025 in Review

Simplex Trading sold out of Acadian Asset Management (AAMI) in Q4 2025, closing a stake of 352 shares — an estimated $16K sold.

Simplex Trading first reported a position in AAMI in Q1 2021 and held it in 8 quarters. The position peaked at $886K in Q1 2021. 257 funds tracked by Wall St. Rank hold AAMI as of Q4 2025.

Simplex Trading reported no remaining Acadian Asset Management position as of Q4 2025 after selling out during the quarter.
Simplex Trading sold 352 Acadian Asset Management shares in Q4 2025, an estimated $16K.
Simplex Trading first reported a position in Acadian Asset Management in Q1 2021 and held it in 8 quarters.
Simplex Trading's Acadian Asset Management position peaked at $886K in Q1 2021.
257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q4 2025.

Based on Simplex Trading's 13F filing for Q4 2025, filed 11 Feb 2026.