🇺🇸 Short selling in United States, Q1 2026
From 15 Jan 2026 to 31 Mar 2026, 4,212 United States companies carried disclosed short positions. The quarter's highest single reading was Profusa, Inc. at 85.31% on 30 Jan 2026. 69 companies appeared in the data for the first time. 100 left it. Figures are disclosed positions from official FINRA data.
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Biggest rises of the quarter
- GlucoTrack, Inc.+41.93pp to 45.43%
- BullFrog AI Holdings, Inc.+40.94pp to 46.28%
- Acurx Pharmaceuticals, Inc.+32.81pp to 36.63%
- Profusa, Inc.+28.95pp to 85.31%
- Nauticus Robotics, Inc.+23.41pp to 31.52%
Biggest falls of the quarter
- GT Biopharma, Inc.−20.43pp to 2.37%
- Acrivon Therapeutics, Inc.−18.19pp to 5.64%
- Shuttle Pharmaceuticals Holdings, Inc.−15.03pp to 2.07%
- Amaze Holdings, Inc.−12.87pp to 0.67%
- Arcellx, Inc.−11.89pp to 3.88%
Changes compare each company's last figure of the quarter with its first; companies with a single report in the quarter are counted but not ranked. Where disclosure thresholds apply the figures are floors, not a census. Nothing here is investment advice.