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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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RGNX short positioning

Twice-monthly snapshots of open short positions.

Settlement 2026-07-31
Short % of Float12.5%57,343,000 float shares
Days to Cover3.81,897,130 average daily volume
Open Short Position7,194,939REGENXBIO Inc. Common Stock
Change vs Previous-1,431,833-16.6%

Short interest history

Twice-monthly snapshots of open short positions.

SettlementShort PositionChangeChange %Days to CoverShort % Float
Jul 31, 20267,194,939-1,431,833-16.6%3.812.5%
Jul 15, 20268,626,772-1,832,803-17.5%3.315.0%
Jun 30, 202610,459,575+1,196,198+12.9%3.218.2%

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, 2026178,5970393,88845.3%3
Aug 20, 2026209,64712350,54259.8%3
Aug 19, 2026129,285951285,41645.3%2
Aug 18, 2026125,277182221,37056.6%3
Aug 17, 2026157,416629365,16143.1%3
Aug 14, 2026119,412300267,30944.7%3
Aug 13, 2026139,8601285,95548.9%3
Aug 12, 2026134,2471,412247,64054.2%3
Aug 11, 2026152,07025287,31752.9%3
Aug 10, 2026135,464101314,20743.1%3
Aug 7, 2026223,2448,438476,75246.8%3
Aug 6, 2026317,9339,977612,52351.9%3
Aug 5, 2026202,0143,702509,78939.6%3
Aug 4, 2026164,0372342,71747.9%3
Aug 3, 2026132,8806,786284,06646.8%3
Jul 31, 2026182,9500339,91453.8%3
Jul 30, 2026177,2121,382363,00548.8%3
Jul 29, 2026149,8610338,67344.2%3
Jul 28, 2026282,4630492,31557.4%3
Jul 27, 2026161,9680526,68530.8%3
Jul 24, 2026129,308100326,97439.5%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.