AAMI · Insider trading · 13F holders · Congress trades
Acadian Asset Management Inc. (AAMI)
Who is buying and selling AAMI: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 11
- Insider buys, 90 days
- $0
- Insider sales, 90 days
- $2.2M
- Congress trades, 12 months
- 0
AAMI at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 AAMI insider filed 1 sale worth $2.2M on SEC Form 4, and no open-market purchases.
- 11 13F filers hold AAMI among their 50 largest positions, worth $688.2M combined, including John Paulson and George Soros. The biggest bets by portfolio weight are Empyrean Capital Partners, LP (3.6%), Avantyr Capital Partners, LP (2.0%) and Azora Capital LP (1.5%). In their latest 13Fs, 2 managers opened a new position and 1 added to one.
- No member of Congress has disclosed a trade in AAMI.
- AAMI last closed at $91.32 on Oct 29, 2026.
AAMI insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 AAMI insider filed 1 sale worth $2.2M on SEC Form 4, and no open-market purchases.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 5, 2026 | Wiater Christina | PAO | Sale | 25,614 | $87.26 | $2.2M | SEC |
Who owns AAMI? Hedge funds and superinvestors
11 13F filers hold AAMI among their 50 largest positions, worth $688.2M combined, including John Paulson and George Soros. The biggest bets by portfolio weight are Empyrean Capital Partners, LP (3.6%), Avantyr Capital Partners, LP (2.0%) and Azora Capital LP (1.5%). In their latest 13Fs, 2 managers opened a new position and 1 added to one.
Superinvestors holding AAMI: John Paulson 16.2% · George Soros 0.7%
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| John PaulsonInvestment manager | 16.2% | $417.9M | 5,843,282 | -24.5% shares | Q2 2026 |
| Empyrean Capital Partners, LPHedge fund | 3.6% | $93.5M | 1,308,000 | -0.0% shares | Q2 2026 |
| Avantyr Capital Partners, LPHedge fund | 2.0% | $54.9M | 767,793 | New | Q2 2026 |
| George SorosAsset manager | 0.7% | $43.6M | 610,248 | -5.9% shares | Q2 2026 |
| Azora Capital LPHedge fund | 1.5% | $35.5M | 496,005 | +50.6% shares | Q2 2026 |
| Systematic Alpha Investments, LLCWealth manager | 0.7% | $26.5M | 370,108 | +0.0% shares | Q2 2026 |
| North Reef Capital Management LPHedge fund | 0.2% | $6.2M | 86,596 | -60.7% shares | Q2 2026 |
| Brightlight Capital Management LPHedge fund | 5.4% | $5.5M | 100,200 | -7.1% shares | Q1 2026 |
| Kendall Capital ManagementWealth manager | 0.5% | $3.2M | 34,350 | — | Q3 2026 |
| Caldwell Investment Management Ltd.Hedge fund | 0.8% | $1.3M | 17,500 | — | Q2 2026 |
| Texas Permanent School Fund CorpEndowment & foundation | 0.0% | $206K | 2,874 | New | Q2 2026 |
Each manager counts with its latest 13F (Q3 2026: 1, Q2 2026: 9, Q1 2026: 1). Screen AAMI in the grand portfolio →
AAMI stock trades by members of Congress
No member of Congress has disclosed a trade in AAMI.
AAMI questions and answers
Are insiders buying AAMI stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 AAMI insider filed 1 sale worth $2.2M on SEC Form 4, and no open-market purchases.
Which hedge funds own AAMI?
11 13F filers hold AAMI among their 50 largest positions, worth $688.2M combined, including John Paulson and George Soros. The biggest bets by portfolio weight are Empyrean Capital Partners, LP (3.6%), Avantyr Capital Partners, LP (2.0%) and Azora Capital LP (1.5%). In their latest 13Fs, 2 managers opened a new position and 1 added to one.
Has Congress traded AAMI?
No member of Congress has disclosed a trade in AAMI.
Who is the largest holder of AAMI?
Among 13F filers, John Paulson reports the largest AAMI position, $417.9M (5,843,282 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is Empyrean Capital Partners, LP's: 3.6% of its portfolio.
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