Acadian Asset Management Inc.
AAMI- Exchange
- NYSE
- Industry
- Investment Advice
- SEC CIK
- 0001748824
In the last 90 days, Acadian Asset Management Inc. insiders filed 0 open-market purchases and 1 sale; 302 institutions reported holding it in 13F filings for Q2 2026, worth $2.58B in total; Soros Fund Management is the only superinvestor holding it.
13F holders, Q2 2026
Institutional positions in Acadian Asset Management Inc. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 302
- +50 vs. Q1 2026
- Shares held
- 36.0M
- +402.8K (+1.1%) vs. Q1 2026
- Total value
- $2.58B
- +$637.2M (+32.9%) vs. Q1 2026
- New holders
- 68
- 101 more added
- Sold out
- 18
- 96 more reduced
4 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting AAMI on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 302 | $2.58B |
| Q1 2026 | 256 | $1.96B |
| Q4 2025 | 256 | $1.67B |
| Q3 2025 | 250 | $1.68B |
| Q2 2025 | 218 | $1.26B |
| Q1 2025 | 191 | $929.0M |
| Q4 2024 | 179 | $994.2M |
| Q3 2024 | 172 | $943.8M |
| Q2 2024 | 164 | $843.2M |
| Q1 2024 | 168 | $894.4M |
| Q4 2023 | 171 | $786.6M |
| Q3 2023 | 163 | $797.6M |
| Q2 2023 | 156 | $864.2M |
| Q1 2023 | 166 | $981.8M |
| Q4 2022 | 144 | $871.9M |
| Q3 2022 | 151 | $635.2M |
| Q2 2022 | 152 | $767.4M |
| Q1 2022 | 163 | $1.07B |
| Q4 2021 | 180 | $1.20B |
| Q3 2021 | 178 | $2.07B |
| Q2 2021 | 167 | $1.85B |
| Q1 2021 | 169 | $1.61B |
Institutions, Q2 2026
Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 4,486,535 | $320.9M | 0.00% | −87,697−1.9% | Reduced |
| Paulson & Co. Inc. | 5,843,282 | $417.9M | 16.23% | −1,900,000−24.5% | Reduced |
| Man Group plc | 0 | $0 | 0.00% | −118,071−100.0% | Sold out |
| Karl Kapital LLC | 0 | $0 | 0.00% | −90,048−100.0% | Sold out |
| Kestrel Investment Management Corp | 0 | $0 | 0.00% | −62,381−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −45,836−100.0% | Sold out |
| Susquehanna Portfolio Strategies, LLC | 0 | $0 | 0.00% | −35,357−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −31,897−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −25,892−100.0% | Sold out |
| LPL Financial LLC | 0 | $0 | 0.00% | −23,373−100.0% | Sold out |
| Ieq Capital, LLC | 0 | $0 | 0.00% | −6,839−100.0% | Sold out |
| Panagora Asset Management Inc | 0 | $0 | 0.00% | −4,048−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −1,517−100.0% | Sold out |
| MAI Capital Management | 0 | $0 | 0.00% | −467−100.0% | Sold out |
| Root Financial Partners, LLC | 0 | $0 | 0.00% | −77−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −63−100.0% | Sold out |
| Keystone Financial Group, Inc. | 0 | $0 | 0.00% | −45−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −37−100.0% | Sold out |
| Annis Gardner Whiting Capital Advisors, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| Janus Henderson Group PLC | – | – | – | – | Not filed |
| Brightlight Capital Management LP | – | – | – | – | Not filed |
| DGS Capital Management, LLC | – | – | – | – | Not filed |
| CWM, LLC | – | – | – | – | Not filed |