Based on 1648 hedge funds · latest filing: 2025 Q4 · updated quarterly
📉
Selling streak — 2 quarters in a row
For 2 consecutive quarters, more hedge funds reduced or closed their AMT positions than added to them. Sustained institutional selling is a meaningful warning sign — these are professionals with deep research teams collectively deciding to exit.
📊
High ownership — 94% of 3.0Y peak
94% of all-time peak
1,648 funds currently hold this stock — 94% of the 3.0-year high of 1,749 funds (reached 2024 Q3). Ownership is elevated but not yet at maximum concentration. Room to grow, but watch if the trend reverses.
〰️
Stable — ownership unchanged year-over-year
fund count last 6Q
The number of hedge funds holding AMT is almost the same as a year ago (+6 funds, +0% change). No significant rush to buy or sell — institutional backing is holding steady.
🟠
More sellers than buyers — 43% buying
748 buying984 selling
Last quarter: 984 funds reduced or exited vs 748 that bought or added. When more than half of active funds are selling, it's a caution flag — especially if the stock price hasn't moved down yet.
📈
More new buyers each quarter (+75 vs last Q)
new funds entering per quarter
Funds opening a new AMT position: 194 → 148 → 126 → 201. A growing influx of new institutional buyers means the asset is still gathering momentum — the consensus hasn't fully saturated yet.
🔒
73% of holders stayed for 2+ years
■ 73% conviction (2yr+)
■ 15% medium
■ 12% new
1,206 out of 1,648 hedge funds have held AMT for over 2 years without selling. Long-term investors are generally harder to shake out during market stress, creating a stable ownership base that limits the risk of sudden capitulation.
💎
Buying through price weakness — shares +13%, value -6%
Last quarter: funds added +13% more shares while total portfolio value only changed -6%. Institutions were buying while the price was falling — a high-conviction accumulation signal. They're deliberately loading up on the dip.
➡️
Steady discovery — ~201 new funds/quarter
145 → 194 → 148 → 126 → 201 new funds/Q
New funds entering each quarter: 194 → 148 → 126 → 201. Consistent flow of new institutional buyers without clear acceleration or slowdown.
🏛️
Deep conviction — 73% of holders stayed 2+ years
■ 73% veterans
■ 10% 1-2yr
■ 16% new
Of 1,705 current holders: 1,246 (73%) have held for over 2 years without selling. These are not momentum buyers — they have lived through drawdowns and stayed. A large veteran base acts as a stabilizing force during selloffs.
🏆
Elite ownership — 59% AUM from top-100 funds
59% from top-100 AUM funds
48 of 1648 holders are among the 100 largest funds by AUM, controlling 59% of total institutional value in AMT. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.
Exit risk score 3.3/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.