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Of the 12 tracked institutions holding AAMI, 5 have a 3-year clone track record — 5 of them beat the S&P. Average holder's clone alpha: +6.6pt. It's a gauge of who owns the name, not just how many.
Among the 12 tracked institutional investors we monitor, AAMI (ACADIAN ASSET MANAGEMENT INC) is held with a combined value of $622.90M across 9,604,173 shares. The largest holder is BlackRock, Inc. with a position worth $320.88M. Point72 Asset Management, L.P. opened a new position in the most recent quarter. 4 funds increased their holdings. 7 funds reduced their position.
Total Institutional Value
$622.90M
Total Shares Held
9,604,173
Institutional Holders
12
Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.
| # | Fund | Value↓ | Portfolio % | Change |
|---|---|---|---|---|
| 1 | BlackRock, Inc. | $320.88M | 0.00% | -1.9% |
| 2 | VANGUARD GROUP INC | $109.76M | 0.00% | -0.6% |
| 3 | STATE STREET CORP | $87.57M | 0.00% | +1.2% |
| 4 | SOROS FUND MANAGEMENT LLC | $43.64M | 0.48% | -5.9% |
| 5 | AQR CAPITAL MANAGEMENT LLC | $18.17M | 0.01% | +59.1% |
| 6 | FMR LLC | $16.54M | 0.00% | +8.5% |
| 7 | TWO SIGMA ADVISERS, LP | $12.90M | 0.03% | -11.3% |
| 8 | CITADEL ADVISORS LLC | $4.43M | 0.00% | -23.6% |
| 9 | MILLENNIUM MANAGEMENT LLC | $3.71M | 0.00% | -25.2% |
| 10 | RENAISSANCE TECHNOLOGIES LLC | $2.26M | 0.00% | -47.7% |
As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of AAMI with a position worth $320.88M, representing 0.00% of their portfolio. In total, 12 institutional investors hold AAMI with a combined value of $622.90M.
In the most recent quarter, 1 fund opened a new position in AAMI. Additionally, 4 increased their holdings and 7 reduced their positions.
Institutional investors hold $622.90M worth of AAMI stock across 12 positions. The largest institutional holder is BlackRock, Inc. with $320.88M in holdings.
A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For AAMI, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.
Get notified when hedge funds change their AAMI positions.
Alpha = the manager's 3-year clone return minus the S&P 500. A skilled roster is a stronger tell than a crowded one — though even skilled managers' edge doesn't reliably survive the 13F disclosure lag. Why →
| 2026-08-03 |
SEC Schedule 13D (activist) and 13G (passive) filings for AAMI. Filed when an investor acquires 5%+ ownership.
Last Close
$92.30
2026-08-21
YTD
+94.8%
98% of 52-week range
