CT.gov Hiddenness Atlas
2026-03-29 | full-registry audit | plots, figures, and E156 bundle
Sponsor-Class Story

Rates and stock point to different sponsor classes

OTHER_GOV is worst on rate, OTHER is worst on absolute stock, and industry remains too large to ignore.

Rate vs stock
OTHER_GOV
OTHER
INDUSTRY

Sponsor-Class Story

OTHER rate
80.0%
Eligible older closed interventional
OTHER stock
127,704
Largest absolute block
OTHER_GOV rate
95.7%
Worst rate
NIH hiddenness
4.05
Highest average named-class score
SPONSOR-CLASS RATEEligible 2-year no-results rate by sponsor classOTHER_GOV95.7%OTHER80.0%INDUSTRY58.1%NETWORK71.6%INDIV69.2%NIH53.6%FED45.3%
OTHER_GOV is worst on rate, but OTHER and INDUSTRY dominate the raw stock of unresolved disclosure gaps.
SPONSOR-CLASS STOCKAbsolute 2-year no-results counts by sponsor classOTHER127,704INDUSTRY44,007OTHER_GOV4,378NIH2,298NETWORK1,645FED1,199INDIV209
The OTHER bucket is heterogeneous, but that is precisely why it matters: it contains the largest invisible stock.
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