Home / United States / Karyopharm Therapeutics Inc. C (KPTI)

Karyopharm Therapeutics Inc. C (KPTI)

Short position disclosed on August 31, 2026.

9,813,744 shares sold short

43.27% of the shares reported to the SEC on August 6, 2026

? funds not named

4 disclosures on record

FINRA publishes, twice a month, the number of shares sold short in each company. Their share of the stock is computed here on the count the company reports to the SEC, and this market appears in no ranking shared with the others.

Evolution of the disclosed total

02.5M5M7.5M10M

Jul 28Aug 10Aug 23Sep 5Sep 18

Number of shares sold short. Hover or tap the curve to see which funds make it up.

Open positions

The funds disclosing a short position that is still open.
Fund	Twelve months	Shares sold short	Over the year	Since
Aggregated total		9,813,744 shares	+3,501,439 shares	August 31, 2026

The funds named in Germany

FINRA publishes a total and names nobody. This register names each fund short of the same company, as a share of its capital.

The funds disclosing a short position that is still open.
Fund	% of capital	Since
Squarepoint Ops LLC	0.50%	May 13, 2025

Every disclosure: Karyopharm Therapeutics Inc

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History of disclosures

4 disclosures on record for this share.
Date	Fund	Shares sold short	End of publication
August 31, 2026	Aggregated total	9,813,744 shares	still open
August 14, 2026	Aggregated total	9,640,954 shares
July 31, 2026	Aggregated total	7,555,693 shares
July 15, 2026	Aggregated total	6,312,305 shares

Download 4 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in the United States

Lucas GC Limited Ordinary Shar (LGCL) 61.62%
Flash Sports & Media Holdings, (FLZH) 59.16%
BTC Digital Ltd. Ordinary Shar (BTCT) 47.02%
Wolfspeed, Inc. (WOLF) 46.50%
Ondas Inc. Common Stock (ONDS) 39.71%
Capricor Therapeutics, Inc. Co (CAPR) 38.16%
Hertz Global Holdings, Inc Com (HTZ) 36.25%
TruGolf Holdings, Inc. Class A (TRUG) 36.10%
Serve Robotics Inc. Common Sto (SERV) 35.35%
Nexera Technologies Ltd Ordina (NEXR) 35.00%
LENZ Therapeutics, Inc. Common (LENZ) 34.61%
Recursion Pharmaceuticals, Inc (RXRX) 33.46%

Cite this page

The figure comes from the regulator register, not from this site. Quoting both lets your reader check it.

QuiVad, Karyopharm Therapeutics Inc. C (KPTI), source FINRA, data as at August 31, 2026, https://www.quivad.com/action/karyopharm-therapeutics-inc-c-kpti