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Stockfacts

EOD US-equity data for investors and AI agents

Data is end-of-day, not real-time, and not investment advice

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SUPN short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float9.3%51,665,000 float shares
Days to Cover9.5506,478 average daily volume
Open Short Position4,816,923Supernus Pharmaceuticals, Inc.
Change vs Previous-33,938-0.7%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20264,816,923-33,938-0.7%9.59.3%
Jul 15, 20264,850,861-2,291,942-32.1%5.19.4%
Jun 30, 20267,142,803+1,039,373+17.0%7.013.8%

Short interest is an open-position snapshot published twice monthly. It is not daily short-sale volume.

Daily off-exchange short volume

FINRA-reported short-sale transaction flow for the last 30 calendar days.

Trade DateShort VolumeShort ExemptFINRA TotalShort Volume %Facilities
Aug 21, 2026108,4750208,88051.9%3
Aug 20, 2026106,3395186,99356.9%3
Aug 19, 2026184,4291,000280,15365.8%3
Aug 18, 2026130,9900219,80259.6%3
Aug 17, 2026107,9010168,99263.8%3
Aug 14, 202675,3590109,36468.9%3
Aug 13, 2026127,7710235,89954.2%3
Aug 12, 2026169,7700249,63868.0%3
Aug 11, 2026163,4362,200269,13260.7%3
Aug 10, 2026196,157500258,38475.9%3
Aug 7, 2026158,9552,586252,38563.0%3
Aug 6, 2026244,277604526,77146.4%3
Aug 5, 2026356,8440801,64444.5%3
Aug 4, 2026554,2906,6531,364,07640.6%3
Aug 3, 2026998,1411,8362,000,65849.9%3
Jul 31, 2026134,0780201,67766.5%2
Jul 30, 202657,7970134,44443.0%3
Jul 29, 2026136,778568183,91574.4%3
Jul 28, 2026119,3540161,43273.9%2
Jul 27, 202688,6300161,86654.8%3
Jul 24, 202692,9840150,13861.9%3

Daily short volume is transaction flow reported through FINRA facilities. It does not measure open short positions and is not consolidated exchange-wide volume.