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
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 $3.11B AUM 94.93% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 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
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
Dimensional Fund Advisors
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
Impax Asset Management Group London, United Kingdom $14.3B AUM 19.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Horizon Investments's AAMI Position: Q1 2026 in Review

Horizon Investments increased its Acadian Asset Management (AAMI) stake by 3.7% in Q1 2026, buying an estimated $25.6K and bringing the position to 13,481 shares worth $734K. The position accounts for 0.01% of the portfolio, ranked #751.

Horizon Investments first reported a position in AAMI in Q2 2025 and has held it in 4 quarters since. The position peaked at $992K in Q3 2025. 257 funds tracked by Wall St. Rank hold AAMI as of Q1 2026.

  • Horizon Investments held 13,481 shares of Acadian Asset Management worth $734K as of Q1 2026.
  • Horizon Investments bought 487 Acadian Asset Management shares in Q1 2026, an estimated $25.6K.
  • Acadian Asset Management made up 0.01% of Horizon Investments's portfolio in Q1 2026, its #751 holding.
  • Horizon Investments first reported a position in Acadian Asset Management in Q2 2025 and has held it in 4 quarters since.
  • Horizon Investments's Acadian Asset Management position peaked at $992K in Q3 2025.
  • 257 funds tracked by Wall St. Rank held Acadian Asset Management as of Q1 2026.

Based on Horizon Investments's 13F filing for Q1 2026, filed 15 May 2026.