Based on 231 hedge funds · latest filing: 2026 Q1 · updated quarterly
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Buying streak — 1 quarter in a row
For 1 consecutive quarter, more hedge funds added OPK 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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High ownership — 94% of 3.0Y peak
94% of all-time peak
231 funds currently hold this stock — 94% of the 3.0-year high of 247 funds (reached 2025 Q1). Ownership is elevated but not yet at maximum concentration. Room to grow, but watch if the trend reverses.
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Outflows — 6% fewer funds vs a year ago
fund count last 6Q
16 fewer hedge funds hold OPK compared to a year ago (-6% decline). When institutions consistently reduce their exposure, it's worth exploring the underlying fundamental reasons driving them away.
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Slight buying edge — 54% buying
103 buying87 selling
Last quarter: 103 funds bought or added vs 87 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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More new buyers each quarter (+10 vs last Q)
new funds entering per quarter
Funds opening a new OPK position: 17 → 29 → 32 → 42. A growing influx of new institutional buyers means the asset is still gathering momentum — the consensus hasn't fully saturated yet.
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62% of holders stayed for 2+ years
■ 62% conviction (2yr+)
■ 20% medium
■ 18% new
143 out of 231 hedge funds have held OPK 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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Acceleration phase — new buyers rushing in
45 → 17 → 29 → 32 → 42 new funds/Q
New funds entering each quarter: 17 → 29 → 32 → 42. The pace of institutional discovery is accelerating sharply. This is the 'hot idea' phase — the thesis is being passed from fund to fund. You are not late — the accumulation wave is still building.
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Veteran-anchored — 64% veterans vs 20% newcomers
■ 64% veterans
■ 17% 1-2yr
■ 20% new
Entry-cohort mix of 234 holders: 149 (64%) are 2+ year veterans, 39 entered 1–2 years ago, and 46 (20%) joined within the past year. A veteran-weighted cap table skews toward institutional memory over fresh momentum.
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Strong quality — 29% AUM from major funds
29% from top-100 AUM funds
42 of 230 holders rank in the top 100 by AUM, accounting for 29% of total institutional value held. A meaningful share of the ownership value comes from the most well-resourced institutions.
Exit risk score 3.1/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.