Based on 369 hedge funds · latest filing: 2026 Q1 · updated quarterly
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Buying streak — 9 quarters in a row
For 9 consecutive quarters, more hedge funds added OSIS than sold it. That's a consistent pattern of professional buying — not a one-time trade. When institutions keep buying quarter after quarter, it usually means they see a multi-year opportunity, not just a short-term momentum flip.
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At the ownership peak (100% of max)
100% of all-time peak
369 hedge funds hold OSIS right now — the highest count in 3.0 years. When ownership is this concentrated, any bad news can trigger a chain reaction: one big fund sells, others follow. This is a classic 'crowded trade' — high popularity doesn't equal safety.
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Fast accumulation — +21% more funds vs a year ago
fund count last 6Q
+63 new funds entered over the past year (+21% YoY). That's a rapid rush of institutional money. Fast accumulation often signals a major thesis — but it also means the stock could fall quickly if that thesis breaks.
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Slight buying edge — 50% buying
179 buying181 selling
Last quarter: 179 funds bought or added vs 181 that reduced or exited. It's nearly a 50/50 split — some institutions are convinced, others are taking profits. This mixed picture is normal near price highs.
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Fewer new buyers each quarter (-11 vs last Q)
new funds entering per quarter
Funds opening this position for the first time: 58 → 60 → 64 → 53. Each quarter fewer new institutions are entering. This usually means most funds that wanted in are already in — the stock is well-known but the pool of potential new buyers is shrinking.
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53% of holders stayed for 2+ years
■ 53% conviction (2yr+)
■ 22% medium
■ 24% new
197 out of 369 hedge funds have held OSIS 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.
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Steady discovery — ~53 new funds/quarter
56 → 58 → 60 → 64 → 53 new funds/Q
New funds entering each quarter: 58 → 60 → 64 → 53. Consistent flow of new institutional buyers without clear acceleration or slowdown.
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Veteran-anchored — 57% veterans vs 29% newcomers
■ 57% veterans
■ 14% 1-2yr
■ 29% new
Entry-cohort mix of 378 holders: 215 (57%) are 2+ year veterans, 53 entered 1–2 years ago, and 110 (29%) joined within the past year. A veteran-weighted cap table skews toward institutional memory over fresh momentum.
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Elite ownership — 48% AUM from top-100 funds
48% from top-100 AUM funds
55 of 366 holders are among the 100 largest funds by AUM, controlling 48% of total institutional value in OSIS. 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 3.8/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.