Based on 1307 hedge funds · latest filing: 2025 Q4 · updated quarterly
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Buying streak — 2 quarters in a row
For 2 consecutive quarters, more hedge funds added REGN 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 (99% of max)
99% of all-time peak
1,307 hedge funds hold REGN 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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Steady growth — +7% more funds vs a year ago
fund count last 6Q
+87 new funds entered over the past year (+7% YoY). Gradual, steady growth in institutional ownership is generally a healthy signal — not a speculative rush, but consistent conviction.
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Slight buying edge — 57% buying
754 buying559 selling
Last quarter: 754 funds bought or added vs 559 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 (+96 vs last Q)
new funds entering per quarter
Funds opening a new REGN position: 134 → 124 → 167 → 263. 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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65% of holders stayed for 2+ years
■ 65% conviction (2yr+)
■ 16% medium
■ 20% new
848 out of 1,307 hedge funds have held REGN 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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Value +38% but shares only +2% — price-driven
Last quarter: the total dollar value of institutional holdings rose +38%, but actual share count only changed +2%. The gap is explained by the stock's price rising — not new buying. Strong value growth with weak share growth means the rally is price momentum, not fresh institutional demand.
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Acceleration phase — new buyers rushing in
140 → 134 → 124 → 167 → 263 new funds/Q
New funds entering each quarter: 134 → 124 → 167 → 263. 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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Deep conviction — 68% of holders stayed 2+ years
■ 68% veterans
■ 9% 1-2yr
■ 24% new
Of 1,364 current holders: 922 (68%) 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.
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Elite ownership — 57% AUM from top-100 funds
57% from top-100 AUM funds
48 of 1307 holders are among the 100 largest funds by AUM, controlling 57% of total institutional value in REGN. 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 3.5/10 — low institutional crowding. Ownership is below peak levels, holder base is relatively sticky, and buying momentum is positive.