Simplex Trading
AAMI

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
-352
Closed -$16K – 10448
2025
Q3 		$16K Buy
352
+350
+17,500% +$15.6K ﹤0.01% 7563
2025
Q2 		$0 Buy
+2
New +$58 ﹤0.01% 9967
2024
Q1 		– Sell
-644
Closed -$13.9K – 10122
2023
Q4 		$12K Sell
644
-1,271
-66% -$22.5K ﹤0.01% 7329
2023
Q3 		$37K Buy
+1,915
New +$39.6K ﹤0.01% 6082
2022
Q4 		– Sell
-815
Closed -$15.4K – 10685
2022
Q3 		$12K Buy
+815
New +$14.6K ﹤0.01% 8106
2022
Q2 		– Sell
-8,865
Closed -$182K – 11333
2022
Q1 		$214K Buy
8,865
+8,274
+1,400% +$197K ﹤0.01% 5069
2021
Q4 		$15K Buy
+591
New +$16.6K ﹤0.01% 8710
2021
Q2 		– Sell
-43,488
Closed -$990K – 10839
2021
Q1 		$886K Buy
+43,488
New +$857K ﹤0.01% 2559

Other funds holding AAMI

PC
Paulson & Co New York $3.11B AUM 94.93% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
Jennison Associates
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $481B AUM 30.42% 1-Year Est. Return
Impax Asset Management Group
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
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.