Who owns Acadian Asset Management Inc.?
Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.
Institutional ownership of AAMI from SEC Form 13F filings across 301 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.
As of the 2026-06-30 reporting period, 301 institutions disclosed 36.0M shares of Acadian Asset Management Inc. worth $2.58B — about 101.1% of shares outstanding; the largest disclosed holder is PAULSON & CO. INC.. Source: SEC Form 13F filings, parsed by EvidInvest.
301
13F holders
$2.58B
value, 2026 filers
101.1%
of shares outstanding (36.0M sh)
68
new positions (2026 filers)
Top institutional holders
ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of AAMI's shares outstanding
| # | Manager | Shares | Value | % of fund | % of co. | Δ shares QoQ |
|---|---|---|---|---|---|---|
| 1 | PAULSON & CO. INC. | 5.8M | $417.9M | 16.2% | 16.4% | -24.5% |
| 2 | BlackRock, Inc. | 4.5M | $320.9M | 0.0% | 12.6% | -1.9% |
| 3 | JENNISON ASSOCIATES LLC | 1.5M | $109.2M | 0.1% | 4.3% | -24.5% |
| 4 | Invesco Ltd. | 1.4M | $98.4M | 0.0% | 3.9% | +233.5% |
| 5 | Empyrean Capital Partners, LP | 1.3M | $93.5M | 3.1% | 3.7% | 0.0% |
| 6 | STATE STREET CORP | 1.2M | $87.6M | 0.0% | 3.4% | +1.2% |
| 7 | VANGUARD CAPITAL MANAGEMENT LLC | 1.2M | $84.1M | 0.0% | 3.3% | +1.5% |
| 8 | GEODE CAPITAL MANAGEMENT, LLC | 969,724 | $69.4M | 0.0% | 2.7% | +29.7% |
| 9 | DIMENSIONAL FUND ADVISORS LP | 911,667 | $65.2M | 0.0% | 2.6% | +0.8% |
| 10 | Woodline Partners LP | 883,540 | $63.2M | 0.2% | 2.5% | +25.9% |
| 11 | VANGUARD PORTFOLIO MANAGEMENT LLC | 813,352 | $58.2M | 0.0% | 2.3% | -8.0% |
| 12 | Driehaus Capital Management LLCNEW | 788,901 | $56.4M | 0.3% | 2.2% | new |
| 13 | Avantyr Capital Partners, LPNEW | 767,793 | $54.9M | 2.0% | 2.2% | new |
| 14 | MORGAN STANLEY | 623,422 | $44.6M | 0.0% | 1.7% | +16.0% |
| 15 | SOROS FUND MANAGEMENT LLC | 610,248 | $43.6M | 0.5% | 1.7% | -5.9% |
| 16 | Nuveen, LLC | 602,378 | $43.1M | 0.0% | 1.7% | +2.4% |
| 17 | FEDERATED HERMES, INC. | 574,597 | $41.1M | 0.1% | 1.6% | +1.1% |
| 18 | Allspring Global Investments Holdings, LLC | 553,623 | $39.8M | 0.1% | 1.6% | +32.1% |
| 19 | TWO SIGMA INVESTMENTS, LP | 523,939 | $37.5M | 0.0% | 1.5% | +9.4% |
| 20 | Azora Capital LP | 496,005 | $35.5M | 1.5% | 1.4% | +50.6% |
| 21 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 403,342 | $28.8M | 0.0% | 1.1% | -11.0% |
| 22 | Systematic Alpha Investments, LLC | 370,108 | $26.5M | 0.7% | 1% | 0.0% |
| 23 | GW&K Investment Management, LLC | 368,935 | $26.4M | 0.2% | 1% | -1.9% |
| 24 | Impax Asset Management Group plc | 350,000 | $25.0M | 0.2% | 1% | -57.5% |
| 25 | AmundiNEW | 317,315 | $22.7M | 0.0% | 0.9% | new |
Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.