HI
AAMI

Horizon Investments’s Acadian Asset Management AAMI Stock Holding History

Horizon Investments’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
Q2 		$535K Sell
12,940
-541
-4% -$37.7K 0.01% 860
2026
Q1 		$734K Buy
13,481
+487
+4% +$25.6K 0.01% 751
2025
Q4 		$611K Sell
12,994
-7,609
-37% -$351K 0.01% 795
2025
Q3 		$992K Buy
20,603
+4,219
+26% +$188K 0.01% 626
2025
Q2 		$577K Buy
+16,384
New +$476K 0.01% 713

Other funds holding AAMI

PC
Paulson & Co New York $2.58B AUM 68.51% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Jennison Associates
Jennison Associates New York $167B AUM 44.17% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
ECP
Empyrean Capital Partners Los Angeles, California $3.03B AUM 47.81% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return

Horizon Investments's AAMI Position: Q2 2026 in Review

Horizon Investments reduced its Acadian Asset Management (AAMI) stake by 4% in Q2 2026, selling an estimated $37.7K and leaving 12,940 shares worth $535K. The position accounts for 0.01% of the portfolio, ranked #860.

Horizon Investments first reported a position in AAMI in Q2 2025 and has held it in 5 quarters since. The position peaked at $992K in Q3 2025. 303 funds tracked by Wall St. Rank hold AAMI as of Q2 2026.

  • Horizon Investments held 12,940 shares of Acadian Asset Management worth $535K as of Q2 2026.
  • Horizon Investments sold 541 Acadian Asset Management shares in Q2 2026, an estimated $37.7K.
  • Acadian Asset Management made up 0.01% of Horizon Investments's portfolio in Q2 2026, its #860 holding.
  • Horizon Investments first reported a position in Acadian Asset Management in Q2 2025 and has held it in 5 quarters since.
  • Horizon Investments's Acadian Asset Management position peaked at $992K in Q3 2025.
  • 303 funds tracked by Wall St. Rank held Acadian Asset Management as of Q2 2026.

Based on Horizon Investments's 13F filing for Q2 2026, filed 13 Aug 2026.