Acadian Asset Management Inc.
A Boston-based investment firm that uses computers, data, and mathematical models to build stock and multi-asset portfolios for pension funds, insurers, and other big institutional clients. It traces its roots to 1977, when Gary Bergstrom set up Acadian Financial Research to manage money for State Street, and it became an independent firm in 1986. Its name comes from Acadia, the historical name for a swath of northeastern North America near its hometown.
Bought 647.3K · Sold 14.80M
Granted 3.57M · Sold 500.1K
Granted 40.8K · Sold 28.8K
Bought 100.0K
Granted 720.9K · Sold 175.1K
Granted 40.8K · Sold 9.7K
Granted 29.5K · Bought 647.3K · Sold 647.3K
Granted 35.0K · Sold 710
Granted 9.5K
Granted 9.5K
Granted 2.7K · Sold 1.2K
| Insider | Stake change | Holds now | Granted / vested | Bought | Sold |
|---|---|---|---|---|---|
| Paulson & Co. Inc.10% owner · 7 transactions | — | 5.84M | — | 647.3K | 14.80M |
| Rana SurenPresident and CEO, Director · 18 transactions | — | 371.7Kas of Sep 2024 | 3.57M | — | 500.1K |
| Chersi Robert JDirector · 14 transactions | — | 106.8K | 40.8K | — | 28.8K |
| Yang GuangPresident and CEO, Director · 4 transactions | — | 100.0Kas of Dec 2019 | — | 100.0K | — |
| Hart Richard JonathanCLO and CAO · 34 transactions | — | 85.1K | 720.9K | — | 175.1K |
| Trebbi BarbaraDirector · 10 transactions | — | 78.1K | 40.8K | — | 9.7K |
| Paulson JohnDirector, 10% owner · 6 transactions | — | 29.5K | 29.5K | 647.3K | 647.3K |
| Wiater ChristinaPFO / PAO · 20 transactions | — | 25.6K | 35.0K | — | 710 |
| Love ReginaldDirector · 1 transaction | — | 16.3Kas of Jun 2020 | 9.5K | — | — |
| Beams Maliz EDirector · 1 transaction | — | 14.5Kas of Jun 2020 | 9.5K | — | — |
| Mahoney Daniel K.Head of Finance/PAO · 5 transactions | — | 9.9Kas of Feb 2020 | 2.7K | — | 1.2K |
Select a row to see that insider’s individual transactions. Sum of the holdings confirmed in the 12 months before this insider's last filing. A Form 4 reports a holding per line — held directly, or through a named trust, partnership or foundation, and in each share class separately — never a person’s total. Lines not restated in that time are left out and shown apart: an active filer restates what they still hold, so a line they did not restate is more often an entity since renamed, whose shares a successor line reports too. An amber marker means some were left out.
Net open-market activity over all recorded history: -14.77M shares. Grants, option exercises and tax withholding are excluded — they are compensation mechanics, not decisions to buy or sell.