Based on 803 hedge funds · latest filing: 2025 Q4 · updated quarterly
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Buying streak — 6 quarters in a row
For 6 consecutive quarters, more hedge funds added CIEN 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
803 hedge funds hold CIEN 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 — +59% more funds vs a year ago
fund count last 6Q
+297 new funds entered over the past year (+59% 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 — 57% buying
483 buying360 selling
Last quarter: 483 funds bought or added vs 360 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 (+70 vs last Q)
new funds entering per quarter
Funds opening a new CIEN position: 101 → 105 → 172 → 242. 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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48% of holders stayed for 2+ years
■ 48% conviction (2yr+)
■ 19% medium
■ 33% new
382 out of 803 hedge funds have held CIEN 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 +57% but shares only +9% — price-driven
Last quarter: the total dollar value of institutional holdings rose +57%, but actual share count only changed +9%. 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
125 → 101 → 105 → 172 → 242 new funds/Q
New funds entering each quarter: 101 → 105 → 172 → 242. 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 — 57% of holders stayed 2+ years
■ 57% veterans
■ 7% 1-2yr
■ 36% new
Of 831 current holders: 476 (57%) 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 — 58% AUM from top-100 funds
58% from top-100 AUM funds
44 of 803 holders are among the 100 largest funds by AUM, controlling 58% of total institutional value in CIEN. When the biggest players dominate the cap table, it signifies deep institutional support — since mega-funds deploy the most rigorous due diligence and capital.
4.6
out of 10
Moderate Exit Risk
Exit risk score 4.6/10 — some crowding factors present, but no critical concentration. Watch ownership trend over the next 1–2 quarters for direction.