O'Shaughnessy Asset Management’s Acadian Asset Management AAMI Stock Holding History

O'Shaughnessy Asset Management’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	-5,287	Closed	-$255K	–	2767
2025 Q3	$255K	Buy	+5,287	New	+$236K	﹤0.01%	1836
2022 Q1	–	Sell	-13,023	Closed	-$333K	–	1388
2021 Q4	$333K	Sell	13,023 -928	-7%	-$26.1K	0.01%	830
2021 Q3	$365K	Buy	13,951 +3,983	+40%	+$103K	0.01%	766
2021 Q2	$234K	Buy	9,968 +5,791	+139%	+$132K	﹤0.01%	955
2021 Q1	$85K	Buy	4,177 +264	+7%	+$5.2K	﹤0.01%	1263
2020 Q4	$75K	Buy	+3,913	New	+$65.8K	﹤0.01%	1155
2020 Q1	–	Sell	-34,645	Closed	-$354K	–	1873
2019 Q4	$354K	Sell	34,645 -964	-3%	-$9.4K	0.01%	466
2019 Q3	$353K	Buy	35,609 +2,747	+8%	+$27.9K	0.01%	424
2019 Q2	$375K	Buy	+32,862	New	+$416K	0.01%	427
2016 Q1	–	Sell	-1,723	Closed	-$26K	–	1034
2015 Q4	$26K	Buy	+1,723	New	+$26.6K	﹤0.01%	646

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

O'Shaughnessy Asset Management's AAMI Position: Q4 2025 in Review

O'Shaughnessy Asset Management sold out of Acadian Asset Management (AAMI) in Q4 2025, closing a stake of 5,287 shares — an estimated $255K sold.

O'Shaughnessy Asset Management first reported a position in AAMI in Q4 2015 and held it in 10 quarters. The position peaked at $375K in Q2 2019. 257 funds tracked by Wall St. Rank hold AAMI as of Q4 2025.

O'Shaughnessy Asset Management reported no remaining Acadian Asset Management position as of Q4 2025 after selling out during the quarter.
O'Shaughnessy Asset Management sold 5,287 Acadian Asset Management shares in Q4 2025, an estimated $255K.
O'Shaughnessy Asset Management first reported a position in Acadian Asset Management in Q4 2015 and held it in 10 quarters.
O'Shaughnessy Asset Management's Acadian Asset Management position peaked at $375K in Q2 2019.
257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q4 2025.

Based on O'Shaughnessy Asset Management's 13F filing for Q4 2025, filed 11 Feb 2026.