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, Q1 2026
Institutional positions in Acadian Asset Management Inc. as of Mar 31, 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
- 256
- +4 vs. Q4 2025
- Shares held
- 36.0M
- +2.96M (+9.0%) vs. Q4 2025
- Total value
- $1.96B
- +$405.9M (+26.2%) vs. Q4 2025
- New holders
- 38
- 89 more added
- Sold out
- 34
- 88 more reduced
4 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Acadian Asset Management Inc.; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Y-Intercept (Hong Kong) Ltd | 22,931 | $1.25M | 0.02% | +9,480+70.5% | Added |
| Natixis Advisors, L.P. | 22,843 | $1.24M | 0.00% | +10,757+89.0% | Added |
| Quantinno Capital Management LP | 22,582 | $1.23M | 0.00% | +3,482+18.2% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 21,300 | $1.16M | 0.00% | −36,470−63.1% | Reduced |
| Price T Rowe Associates Inc | 20,005 | $1.09M | 0.00% | +4,338+27.7% | Added |
| Walleye Capital LLC | 19,590 | $1.07M | 0.01% | +19,590 | New |
| State of Alaska, Department of Revenue | 18,565 | $1.01M | 0.01% | −326−1.7% | Reduced |
| Greenwich Wealth Management LLC | 18,500 | $1.01M | 0.04% | 00.0% | Unchanged |
| Vanguard Asset Management, Ltd | 18,373 | $999.9K | 0.00% | +18,373 | New |
| Barclays PLC | 18,099 | $984.9K | 0.00% | −37,345−67.4% | Reduced |
| Harvest Investment Services, LLC | 18,088 | $984.3K | 0.18% | +18,088 | New |
| Summit Global Investments | 17,657 | $961.0K | 0.06% | −3,663−17.2% | Reduced |
| Thrivent Financial for Lutherans | 17,638 | $960.0K | 0.00% | −520−2.9% | Reduced |
| Trexquant Investment LP | 17,302 | $941.6K | 0.01% | +7,798+82.0% | Added |
| MML Investors Services, LLC | 16,245 | $884.1K | 0.00% | −3,211−16.5% | Reduced |
| Citigroup Inc | 15,530 | $845.1K | 0.00% | −27,320−63.8% | Reduced |
| Concurrent Investment Advisors, LLC | 15,386 | $837.3K | 0.01% | −6,872−30.9% | Reduced |
| MetLife Investment Management | 15,072 | $820.2K | 0.00% | −110−0.7% | Reduced |
| STRS Ohio | 14,800 | $805.4K | 0.00% | −900−5.7% | Reduced |
| KLP Kapitalforvaltning AS | 14,432 | $785.4K | 0.00% | +2,300+19.0% | Added |
| Illinois Municipal Retirement Fund | 14,319 | $779.2K | 0.01% | +905+6.7% | Added |
| PDT Partners, LLC | 13,697 | $745.4K | 0.04% | +6,900+101.5% | Added |
| Mariner, LLC | 13,488 | $733.9K | 0.00% | +4,993+58.8% | Added |
| Horizon Investments, LLC | 13,481 | $733.6K | 0.01% | +487+3.7% | Added |
| Manufacturers Life Insurance Company, The | 12,937 | $704.0K | 0.00% | +736+6.0% | Added |
| Change Path, LLC | 12,895 | $701.8K | 0.02% | +12,895 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 12,583 | $684.8K | 0.00% | +121+1.0% | Added |
| Susquehanna International Group, LLP | 12,508 | $680.7K | 0.00% | +3,298+35.8% | Added |
| Jones Financial Companies LLLP | 12,679 | $662.1K | 0.00% | +12,602+16,366.2% | Added |
| HSBC Holdings PLC | 12,236 | $658.5K | 0.00% | −702−5.4% | Reduced |
| Lido Advisors, LLC | 11,904 | $647.8K | 0.00% | +2,982+33.4% | Added |
| Keybank National Association | 11,838 | $644.2K | 0.00% | −606−4.9% | Reduced |
| Louisiana State Employees Retirement System | 11,700 | $636.7K | 0.01% | −400−3.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 11,360 | $618.2K | 0.00% | +725+6.8% | Added |
| First Citizens Bank & Trust Co | 10,682 | $581.3K | 0.01% | −462−4.1% | Reduced |
| Wells Fargo & Company | 10,645 | $579.3K | 0.00% | −18,800−63.8% | Reduced |
| State of Wyoming | 10,389 | $565.4K | 0.07% | +1,115+12.0% | Added |
| Vanguard Global Advisers, LLC | 10,380 | $564.9K | 0.00% | +10,380 | New |
| Envestnet Portfolio Solutions, Inc. | 10,266 | $558.7K | 0.00% | −465−4.3% | Reduced |
| New York State Teachers Retirement System | 9,939 | $541.0K | 0.00% | −836−7.8% | Reduced |
| Bokf, NA | 8,874 | $482.9K | 0.01% | −4,959−35.8% | Reduced |
| Voya Investment Management LLC | 8,705 | $473.7K | 0.00% | +3,637+71.8% | Added |
| Anb Bank | 8,588 | $467.4K | 0.19% | +410+5.0% | Added |
| New York State Common Retirement Fund | 8,475 | $461.2K | 0.00% | 00.0% | Unchanged |
| Aquatic Capital Management LLC | 8,347 | $454.2K | 0.01% | +8,347 | New |
| Advisory Services Network, LLC | 8,189 | $445.7K | 0.01% | −185−2.2% | Reduced |
| Optimist Retirement Group LLC | 8,054 | $438.3K | 0.19% | −1,121−12.2% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 7,925 | $431.3K | 0.00% | −657−7.7% | Reduced |
| Arizona State Retirement System | 7,846 | $427.0K | 0.00% | −96−1.2% | Reduced |
| Truist Financial Corp | 7,801 | $424.5K | 0.00% | +1,369+21.3% | Added |
| Amalgamated Bank | 7,621 | $415.0K | 0.00% | −89−1.2% | Reduced |
| Gsa Capital Partners LLP | 7,635 | $415.0K | 0.03% | +7,635 | New |
| Raymond James Financial Inc | 7,388 | $402.1K | 0.00% | +7,388 | New |
| Brevan Howard Capital Management LP | 7,247 | $394.4K | 0.00% | −2,560−26.1% | Reduced |
| Toroso Investments, LLC | 7,053 | $383.8K | 0.00% | +7,053 | New |
| Yousif Capital Management, LLC | 7,037 | $383.0K | 0.00% | −107−1.5% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 6,980 | $379.9K | 0.00% | 00.0% | Unchanged |
| Flagship Harbor Advisors, LLC | 6,870 | $373.9K | 0.02% | +6,863+98,042.9% | Added |
| Ieq Capital, LLC | 6,839 | $372.2K | 0.00% | +6,839 | New |
| Mangrove Partners | 6,832 | $371.8K | 0.03% | −1,958−22.3% | Reduced |
| Teachers Retirement System of the State of Kentucky | 6,659 | $363.0K | 0.00% | −200−2.9% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 6,535 | $355.6K | 0.00% | −7−0.1% | Reduced |
| Abacus Wealth Partners, LLC | 6,499 | $353.7K | 0.03% | 00.0% | Unchanged |
| Morningstar Investment Management LLC | 6,188 | $336.8K | 0.02% | +6,188 | New |
| Vanguard Investments Australia, Ltd. | 6,127 | $333.4K | 0.00% | +6,127 | New |
| Oregon Public Employees Retirement Fund | 6,086 | $331.2K | 0.00% | 00.0% | Unchanged |
| Cerity Partners LLC | 5,978 | $325.3K | 0.00% | +225+3.9% | Added |
| Neuberger Berman Group LLC | 5,712 | $310.8K | 0.00% | −33−0.6% | Reduced |
| Institute for Wealth Management, LLC. | 5,543 | $301.6K | 0.03% | −627−10.2% | Reduced |
| JMN Financial LLC | 5,470 | $297.7K | 0.29% | −217−3.8% | Reduced |
| Pathstone Holdings, LLC | 5,230 | $284.6K | 0.00% | +5,230 | New |
| EJF Capital LLC | 5,143 | $279.9K | 0.20% | 00.0% | Unchanged |
| Bank of Montreal | 4,988 | $271.4K | 0.00% | −3,123−38.5% | Reduced |
| XTX Topco Ltd | 4,921 | $267.8K | 0.00% | −15,722−76.2% | Reduced |
| CWM, LLC | 4,899 | $266.6K | 0.00% | +820+20.1% | Added |
| Mercer Global Advisors Inc | 4,718 | $256.8K | 0.00% | +4,718 | New |
| Swiss Life Asset Management Ltd | 4,634 | $252.2K | 0.00% | −98−2.1% | Reduced |
| Evergreen Capital Management LLC | 4,509 | $245.4K | 0.01% | 00.0% | Unchanged |
| Exchange Traded Concepts, LLC | 4,495 | $244.6K | 0.00% | −769−14.6% | Reduced |
| Cetera Investment Advisers | 4,433 | $241.2K | 0.00% | +4,433 | New |
| Pictet Asset Management Holding SA | 4,343 | $236.3K | 0.00% | 00.0% | Unchanged |
| ProShare Advisors LLC | 4,172 | $227.0K | 0.00% | −1,040−20.0% | Reduced |
| Panagora Asset Management Inc | 4,048 | $220.3K | 0.00% | −19,381−82.7% | Reduced |
| Marshall Wace, LLP | 3,998 | $217.6K | 0.00% | +3,998 | New |
| Maryland State Retirement & Pension System | 3,810 | $207.3K | 0.00% | +3,810 | New |
| Ensign Peak Advisors, Inc | 3,059 | $166.5K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 3,009 | $163.8K | 0.00% | +334+12.5% | Added |
| Tower Research Capital LLC (TRC) | 2,664 | $145.0K | 0.00% | +2,281+595.6% | Added |
| Ameritas Investment Partners, Inc. | 2,243 | $122.1K | 0.00% | 00.0% | Unchanged |
| Transamerica Financial Advisors, Inc. | 2,018 | $109.9K | 0.01% | +1,216+151.6% | Added |
| WealthCollab, LLC | 1,848 | $100.6K | 0.04% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 1,517 | $82.6K | 0.00% | +180+13.5% | Added |
| Royal Bank of Canada | 1,412 | $76.0K | 0.00% | −657−31.8% | Reduced |
| Quantbot Technologies LP | 1,251 | $68.1K | 0.00% | −6,651−84.2% | Reduced |
| GAMMA Investing LLC | 1,182 | $64.3K | 0.00% | +49+4.3% | Added |
| Signature Equity Partners, LLC | 945 | $51.5K | 0.03% | −106−10.1% | Reduced |
| EverSource Wealth Advisors, LLC | 767 | $41.7K | 0.00% | −2−0.3% | Reduced |
| Advisor Group Holdings, Inc. | 761 | $41.5K | 0.00% | +472+163.3% | Added |
| Signaturefd, LLC | 747 | $40.7K | 0.00% | +31+4.3% | Added |
| Public Employees Retirement System of Ohio | 647 | $35.2K | 0.00% | −128−16.5% | Reduced |