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Jim Simons's Acadian Asset Management (AAMI) position

Yes: as of Q1 2026, Jim Simons holds 61K shares of AAMI worth an amount we cannot price (0.0% of the disclosed portfolio). Last quarter the position was reduced by 38.4%. First disclosed Q2 2021.
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Current value
an amount we cannot price
Shares held
61K
% of portfolio
0.0%
Quarter-end price
No quarter-end price available

Average buy price is hidden here because at least one covered purchase quarter has no usable local mean price.

AAMI price vs Simons's position

Dates
$82$82.5$83$83.5← Earlier —10 purchases, 8 sells
Average closing price · filing quarter
Price range · filing quarter

Every quarterly change

Quarter Action Shares change Est. value change Δ Own Shares held Filing date
Q1 2026 Reduced −38K −38.4% 61K May 14, 2026
Q4 2025 Added +32K +48.8% 98K Feb 12, 2026
Q3 2025 Reduced −34K −33.9% 66K Nov 13, 2025
Q2 2025 Added +33K +48.9% 100K Aug 13, 2025
Q1 2025 Added +800 +1.2% 67K May 14, 2025
Q4 2024 Added +10K +16.9% 66K Feb 13, 2025
Q3 2024 Reduced −97K −63.2% 57K Nov 13, 2024
Q2 2024 Added +115K +297.9% 154K Aug 9, 2024
Q1 2024 Reduced −37K −48.9% 39K May 13, 2024
Q4 2023 Reduced −42K −35.8% 76K Feb 13, 2024
Q3 2023 Reduced −19K −13.6% 118K Nov 14, 2023
Q2 2023 Added +69K +102.1% 137K Aug 11, 2023
Q1 2023 Reduced −34K −33.5% 68K May 12, 2023
Q4 2022 Reduced −7K −6.6% 102K Feb 13, 2023
Q3 2022 Added +21K +24.1% 109K Nov 14, 2022
Q2 2022 New +88K 88K Aug 12, 2022
Q3 2021 Added +8K +5.9% 142K Nov 12, 2021
Q2 2021 New +134K 134K Aug 13, 2021
Data through Q1 2026 · filed May 14, 2026
18 grouped rows from 18 quarters

More Simons positions

Common questions

Does Jim Simons own AAMI?

Yes. As of Q1 2026, Jim Simons disclosed 61K shares of AAMI, worth an amount we cannot price. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

When did Jim Simons buy AAMI?

Jim Simons first disclosed a AAMI position in Q2 2021; every quarterly buy and sell since is in the table above. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

Did Jim Simons sell AAMI?

The quarter-by-quarter table above shows each sale and reduction Jim Simons disclosed in AAMI. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How many shares of AAMI does Jim Simons own?

Jim Simons disclosed 61K shares of AAMI as of Q1 2026. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

What price did Jim Simons pay for AAMI?

Jim Simons began building the AAMI position before our 13F history starts, so an exact average buy price cannot be estimated without understating it. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.

How are the estimated trade prices calculated?

13F filings disclose quarter-end holdings, not trade dates or execution prices. These estimates use each covered quarter's average market price; the add average excludes the opening position and quarters without price data. All figures come from SEC 13F filings for Q1 2026, the latest disclosed quarter.