Rossby Financial
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Rossby Financial’s Acadian Asset Management AAMI Stock Holding History

Rossby Financial’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
Q3 		$2.11K Sell
23
-10
-30% -$882 ﹤0.01% 2027
2026
Q2 		$2.36K Buy
33
+1
+3% +$70 ﹤0.01% 1677
2026
Q1 		$1.8K Buy
32
+22
+220% +$1.16K ﹤0.01% 1841
2025
Q4 		$470 Buy
+10
New +$461 ﹤0.01% 1652

Other funds holding AAMI

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Soros Fund Management
Soros Fund Management New York $8.51B AUM 25.51% 1-Year Est. Return
Federated Hermes
Federated Hermes Pittsburgh, Pennsylvania $71.4B AUM 33.43% 1-Year Est. Return

Rossby Financial's AAMI Position: Q3 2026 in Review

Rossby Financial reduced its Acadian Asset Management (AAMI) stake by 30% in Q3 2026, selling an estimated $882 and leaving 23 shares worth $2.11K. The position accounts for ﹤0.01% of the portfolio, ranked #2027.

Rossby Financial first reported a position in AAMI in Q4 2025 and has held it in 4 quarters since. The position peaked at $2.36K in Q2 2026. 244 funds tracked by Wall St. Rank hold AAMI as of Q3 2026.

  • Rossby Financial held 23 shares of Acadian Asset Management worth $2.11K as of Q3 2026.
  • Rossby Financial sold 10 Acadian Asset Management shares in Q3 2026, an estimated $882.
  • Acadian Asset Management made up ﹤0.01% of Rossby Financial's portfolio in Q3 2026, its #2027 holding.
  • Rossby Financial first reported a position in Acadian Asset Management in Q4 2025 and has held it in 4 quarters since.
  • Rossby Financial's Acadian Asset Management position peaked at $2.36K in Q2 2026.
  • 244 funds tracked by Wall St. Rank held Acadian Asset Management as of Q3 2026.

Based on Rossby Financial's 13F filing for Q3 2026, filed 5 Nov 2026.