Mariner
AAMI

Mariner’s Acadian Asset Management AAMI Stock Holding History

Mariner’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 		$852K Sell
11,916
-1,572
-12% -$110K ﹤0.01% 2074
2026
Q1 		$734K Buy
13,488
+4,993
+59% +$263K ﹤0.01% 2196
2025
Q4 		$399K Buy
8,495
+1,949
+30% +$89.8K ﹤0.01% 2616
2025
Q3 		$315K Buy
+6,546
New +$292K ﹤0.01% 2764

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

Mariner's AAMI Position: Q2 2026 in Review

Mariner reduced its Acadian Asset Management (AAMI) stake by 12% in Q2 2026, selling an estimated $110K and leaving 11,916 shares worth $852K. The position accounts for ﹤0.01% of the portfolio, ranked #2074.

Mariner first reported a position in AAMI in Q3 2025 and has held it in 4 quarters since. 303 funds tracked by Wall St. Rank hold AAMI as of Q2 2026.

  • Mariner held 11,916 shares of Acadian Asset Management worth $852K as of Q2 2026.
  • Mariner sold 1,572 Acadian Asset Management shares in Q2 2026, an estimated $110K.
  • Acadian Asset Management made up ﹤0.01% of Mariner's portfolio in Q2 2026, its #2074 holding.
  • Mariner first reported a position in Acadian Asset Management in Q3 2025 and has held it in 4 quarters since.
  • 303 funds tracked by Wall St. Rank held Acadian Asset Management as of Q2 2026.

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