US short interest report: settlement 15 Dec 2025
FINRA's consolidated short interest for settlement date 15 Dec 2025 covers 3,826 US-listed stocks we can price against an SEC share count, 83 of them with 20% or more of shares outstanding sold short. Changes are percentage points (pp) of shares outstanding against the previous report (settlement 28 Nov 2025).
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Biggest rises
| Company | Previous | This report | Change (pp) |
|---|---|---|---|
| Ascent Solar Technologies, Inc. | 6.23% | 13.84% | +7.61 |
| Zedge, Inc. | 0.07% | 6.91% | +6.84 |
| Sidus Space Inc. | 8.40% | 14.66% | +6.26 |
| Jasper Therapeutics, Inc. | 6.55% | 12.35% | +5.80 |
| Netcapital Inc. | 3.54% | 9.32% | +5.78 |
| Datavault AI Inc. | 4.34% | 10.12% | +5.78 |
| Shuttle Pharmaceuticals Holdings, Inc. | 12.08% | 17.41% | +5.33 |
| SELLAS Life Sciences Group, Inc. | 23.35% | 28.41% | +5.06 |
| PETMED EXPRESS INC | 7.63% | 12.63% | +5.00 |
| Surf Air Mobility Inc. | 9.81% | 14.65% | +4.84 |
Biggest falls
| Company | Previous | This report | Change (pp) |
|---|---|---|---|
| KALA BIO, Inc. | 26.80% | 11.31% | −15.49 |
| HNI Corporation | 13.39% | 6.17% | −7.22 |
| Aditxt, Inc. | 22.51% | 15.49% | −7.02 |
| Xilio Therapeutics, Inc. | 12.72% | 5.88% | −6.84 |
| Zynex, Inc. | 17.98% | 11.91% | −6.07 |
| Expion360 Inc. | 8.39% | 3.45% | −4.94 |
| The Lovesac Company | 32.58% | 27.71% | −4.87 |
| Seven Hills Realty Trust | 9.07% | 4.38% | −4.69 |
| PharmaCyte Biotech, Inc. | 13.62% | 9.35% | −4.27 |
| KIDZ AI Inc. | 8.42% | 4.15% | −4.27 |
Entered the published set
Published this report but not the previous one: a new listing, or a stock that had been paused by one of our data checks. Not the same as a short position appearing from nothing.
- Profusa, Inc., 42.15%
- Q/C Technologies, Inc., 26.10%
- Hyperion DeFi, Inc., 23.90%
- PALATIN TECHNOLOGIES INC, 19.64%
- Amaze Holdings, Inc., 17.15%
- New ERA Energy & Digital, Inc., 16.77%
- USA TODAY Co., Inc., 12.93%
- FORUM MARKETS Inc, 11.35%
- MSP Recovery, Inc., 11.01%
- American Bitcoin Corp., 10.68%
Left the published set
Published the previous report but not this one: usually a delisting, a merger, or a pause by one of our data checks, not a position closing. Last figure shown.
- CAPRICOR THERAPEUTICS, INC., 35.91%
- Sonnet BioTherapeutics Holdings, Inc., 27.70%
- Clean Energy Technologies, Inc., 25.17%
- Wheeler Real Estate Investment Trust, Inc., 21.53%
- Endovia Health Sciences, Inc., 20.36%
- Cantor Equity Partners, Inc., 15.65%
- Vital Energy, Inc., 14.42%
- Lennar Corporation Class A, 14.01%
- The ODP Corporation, 12.13%
- Spirit AeroSystems Holdings, Inc., 11.59%
Most shorted this report
- iRobot Corporation, 48.84%
- Profusa, Inc., 42.15%
- Intellia Therapeutics, Inc., 35.03%
- Novavax, Inc., 32.36%
- aTyr Pharma, Inc., 31.01%
- 3D Systems Corporation, 30.47%
- KalVista Pharmaceuticals, Inc., 30.46%
- Iovance Biotherapeutics, Inc., 30.32%
- Nano Nuclear Energy Inc., 30.19%
- CleanSpark, Inc., 28.89%
Full table today: most shorted US stocks. US short interest data: FINRA. Not affiliated with FINRA; nothing here is investment advice.