Acadian Asset Management Inc. (AAMI) Insider Ownership

Historic Insider Ownership Trends

AAMI's three largest insider shareholders as of March 23, 2026 are Co. Inc. Paulson (TenPercentOwner, 7.74Mn shares), Suren Rana (President And Ceo, 371.73K shares), Richard Jonathan Hart (Clo And Cao, 173.86K shares).

Top Direct Holders

Insider ownership data is derived from the last 60 months of Form 4 SEC filings.
Holder Position Shares (Direct) Shares (Indirect) Report Date
Co. Inc. Paulson 0 7,743,282 05 Sep, 2025
Suren Rana President And Ceo 371,726 0 02 Oct, 2024
Richard Jonathan Hart Clo And Cao 173,863 0 18 Feb, 2026
Robert J Chersi 0 37,384 12 Feb, 2026
Barbara Trebbi 35,771 0 12 Feb, 2026
Christina Wiater Pfo / Pao 25,614 0 18 Feb, 2026
John Paulson 23,760 0 15 May, 2025

* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.

Recent Insider Transactions

Detailed insider trading activity based on Form 4 SEC filings.
Download Data
Transaction Date Insider Name Security Class Transaction Type Shares Traded Price Shares Remaining Ownership Code
13 Feb, 2026 Kelly Young Restricted Stock Units A 48,748 $0.00 48,748 D A
14 Feb, 2026 Christina Wiater Common Stock A 4,006 $0.00 23,131 D M
14 Feb, 2026 Richard Jonathan Hart Common Stock A 5,755 $0.00 171,713 D M
13 Feb, 2026 Scott Hynes Restricted Stock Units A 4,888 $0.00 4,888 D A
14 Feb, 2026 Richard Jonathan Hart Common Stock D 2,782 $51.85 168,931 D F
14 Feb, 2026 Christina Wiater Common Stock D 1,176 $51.85 21,955 D F
15 Feb, 2026 Richard Jonathan Hart Common Stock A 9,550 $0.00 178,481 D M
15 Feb, 2026 Christina Wiater Common Stock A 5,180 $0.00 27,135 D M
15 Feb, 2026 Richard Jonathan Hart Common Stock D 4,618 $51.85 173,863 D F
15 Feb, 2026 Christina Wiater Common Stock D 1,521 $51.85 25,614 D F
13 Feb, 2026 Richard Jonathan Hart Restricted Stock Units A 21,602 $0.00 53,650 D A
13 Feb, 2026 Christina Wiater Restricted Stock Units A 5,407 $0.00 26,432 D A
14 Feb, 2026 Christina Wiater Restricted Stock Units D 4,006 $0.00 22,426 D M
14 Feb, 2026 Richard Jonathan Hart Restricted Stock Units D 5,755 $0.00 47,895 D M
15 Feb, 2026 Christina Wiater Restricted Stock Units D 5,180 $0.00 17,246 D M
15 Feb, 2026 Richard Jonathan Hart Restricted Stock Units D 9,550 $0.00 38,345 D M
10 Feb, 2026 Barbara Trebbi Common Stock D 9,691 $51.22 35,771 D S
11 Feb, 2026 Robert J Chersi Common Stock D 28,753 $51.30 37,384 I S
03 Sep, 2025 Co. Inc. Paulson Common Stock, par value $0.001 D 1,206,839 $47.69 7,743,282 I S
10 Jun, 2025 Robert J Chersi Common Stock D 27,986 $0.00 0 D G