Based on 31 hedge funds · latest filing: 2026 Q2 · updated quarterly
📉
Selling streak — 7 quarters in a row
For 7 consecutive quarters, more hedge funds reduced or closed their ATOS positions than added to them. Sustained institutional selling is a meaningful warning sign — these are professionals with deep research teams collectively deciding to exit.
🔻
Below peak — only 36% of 3.0Y high
36% of all-time peak
Only 31 funds hold ATOS today versus a peak of 85 funds at 2024 Q3 — just 36% of the maximum. Low institutional ownership can mean the stock is out of favor, but it also means there's a large pool of potential buyers if sentiment turns.
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Outflows — 61% fewer funds vs a year ago
fund count last 6Q
49 fewer hedge funds hold ATOS compared to a year ago (-61% decline). When institutions consistently reduce their exposure, it's worth exploring the underlying fundamental reasons driving them away.
🟠
More sellers than buyers — 47% buying
14 buying16 selling
Last quarter: 16 funds reduced or exited vs 14 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.
➡️
Steady new buyers — ~6 new funds per quarter
new funds entering per quarter
Funds opening this position for the first time: 8 → 12 → 8 → 6. A stable flow of new institutional buyers suggests ongoing interest without signs of either acceleration or slowdown.
🔒
61% of holders stayed for 2+ years
■ 61% conviction (2yr+)
■ 13% medium
■ 26% new
19 out of 31 hedge funds have held ATOS 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 +14%, value -60%
Last quarter: funds added +14% more shares while total portfolio value only changed -60%. Institutions were buying while the price was falling — a high-conviction accumulation signal. They're deliberately loading up on the dip.
📊
Peak discovery — momentum slowing
25 → 8 → 12 → 8 → 6 new funds/Q
New funds entering each quarter: 8 → 12 → 8 → 6. ATOS is well-known in the hedge fund world, but fresh entries are gradually declining. The explosive phase of institutional discovery is likely behind us.
🏛️
Veteran-anchored — 66% veterans vs 25% newcomers
■ 66% veterans
■ 9% 1-2yr
■ 25% new
Entry-cohort mix of 32 holders: 21 (66%) are 2+ year veterans, 3 entered 1–2 years ago, and 8 (25%) joined within the past year. A veteran-weighted cap table skews toward institutional memory over fresh momentum.
🏆
Elite ownership — 51% AUM from top-100 funds
51% from top-100 AUM funds
13 of 31 holders are among the 100 largest funds by AUM, controlling 51% of total institutional value in ATOS. 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 1.0/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.