ABI scores how crowded each stock is across the top 1,000 institutional managers – breadth of ownership, how concentrated the dollars are, and how fast managers piled in or out over the past year. Crowded names can move violently when the crowd reverses. Analysis, not recommendations.
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Company
Sector
Managers
1Y Δ Mgrs
Top-5 Share
HF Value
Crowding Score
Loading crowding scores…
Velocity is the net change in the number of top-1,000 managers holding a name over the trailing four quarters. Rapid crowding-up can precede momentum unwinds; sharp de-crowding shows where institutions are exiting.
Crowding Up | Most Managers Added
Company
+ Mgrs
Now
De-Crowding | Most Managers Exited
Company
− Mgrs
Now
How the score works. Crowding Score (0–100) blends ownership breadth across the top 1,000 managers (60%) with one-year breadth velocity (40%). Top-5 Share shows how concentrated the position is among its largest holders – a low share means broadly held ("hedge fund hotel"), a high share means whale-owned. Coming with market data (Phase 2): days-to-exit (aggregate position ÷ average daily volume), short interest and days-to-cover, and float-adjusted ownership – the liquidity and squeeze overlays that turn crowding into full positioning risk. Analysis, not investment advice.
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