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The busiest short sellers

Funds that just appeared

First public disclosure less than 90 days ago, on the registers that name funds and that we have been reading long enough to say so.

The busiest over the past three months

Ranked by number of disclosures filed, which is a different question from the size of the positions.

Every open position, by fund

Ranked by number of open short positions, across every market.

Funds disclosing at least one open short position.
FundPositionsMarketsTotal disclosedLast disclosure
Citadel Advisors LLC58 1048.61%September 24, 2026
AQR Capital Management, LLC56 1034.31%September 24, 2026
Two Sigma Investments, LP38 1031.58%September 24, 2026
Marshall Wace LLP37 1035.01%September 24, 2026
Arrowstreet Capital, Limited Partnership34 930.99%September 24, 2026
Connor, Clark & Lunn Investment Management Ltd.29 719.21%September 24, 2026
PDT Partners, LLC27 722.94%September 23, 2026
Worldquant, LLC25 719.16%September 24, 2026
Jpmorgan Asset Management (UK) Limited23 722.31%September 24, 2026
JPMorgan Asset Management (UK) Ltd.21 323.32%September 24, 2026
Capital Fund Management21 517.26%September 24, 2026
GSA Capital Partners LLP21 616.50%September 24, 2026
D. E. Shaw & Co., L.P.21 714.44%September 24, 2026
Qube Research & Technologies Limited20 718.14%September 24, 2026
Capital Fund Management SA20 316.10%September 24, 2026
Blackrock Advisors, LLC18 913.21%September 24, 2026
Kintbury Capital LLP15 717.12%September 23, 2026
Millennium International Management LP15 611.25%September 24, 2026
Blackrock Financial Management INC.15 79.72%September 24, 2026
ActusRayPartners Limited14 510.46%September 22, 2026
Citadel Securities (Europe) Limited14 49.12%September 24, 2026
Blackrock Investment Management (UK) Limited13 312.49%September 18, 2026
AKO Capital LLP11 612.34%August 31, 2026
Ilex Capital Partners (UK) LLP10 513.71%September 24, 2026
Acadian Asset Management, LLC10 57.51%September 23, 2026
Marble Bar Asset Management LLP9 66.95%September 22, 2026
D E Shaw Co LP8 15.57%September 24, 2026
Squarepoint Ops LLC7 35.07%September 23, 2026
Tudor Capital Europe LLP7 34.49%September 22, 2026
Marchant MC Ltd6 47.19%September 18, 2026
Pertento Partners LLP6 36.45%September 24, 2026
Citadel Advisors Europe Limited6 36.12%September 23, 2026
Walleye Capital LLC6 54.49%September 24, 2026
Eleva Capital S.A.S6 14.43%September 24, 2026
Wellington Management International Limited6 34.20%September 18, 2026
Winton Capital Management Limited6 34.08%September 24, 2026
Capital Fund Management S.A.6 13.77%September 23, 2026
Boldhaven Management LLP5 27.35%September 10, 2026
LMR Partners LLP5 36.50%September 22, 2026
Numeric Investors LLC5 53.79%September 16, 2026
Davidson Kempner European Partners, LLP5 43.42%September 22, 2026
Brummer Multi-Strategy AB4 15.12%September 24, 2026
Mirabella Financial Services LLP4 34.74%September 22, 2026
Argonaut Capital Partners LLP4 24.30%September 15, 2026
Helikon Long Short Equity Fund Master ICAV4 24.04%August 25, 2026
Eleva Capital SAS4 33.78%July 28, 2026
Exoduspoint Capital Management, LP4 43.58%September 24, 2026
AHL Partners LLP4 32.88%September 23, 2026
Tages Capital LLP4 32.66%September 21, 2026
Caisse de dépôt et placement du Québec4 42.46%September 22, 2026
SIH Partners, LLLP3 35.04%September 24, 2026
Millennium Capital Partners LLP3 23.62%September 23, 2026
Eleva Capital3 32.23%September 18, 2026
Whitebox Advisors LLC3 32.07%September 21, 2026
Millennium Capital (Difc) Limited3 32.02%September 24, 2026
Systematica Investments Limited3 22.01%September 23, 2026
Gladstone Capital Management LLP3 31.95%September 16, 2026
Elliott Investment Management, L.P3 31.87%August 25, 2026
Voleon Capital Management LP3 21.79%September 23, 2026
O'Connor Alternative Investments, LLC2 23.19%September 24, 2026
Deep Track Biotechnology Master Fund, Ltd.2 22.50%September 17, 2026
KGH Ltd.2 22.17%July 8, 2026
Point72 Europe (London) LLP2 22.02%September 23, 2026
D.E. Shaw & Co. (London), LLP2 21.98%September 24, 2026
Fosse Capital Partners LLP2 21.82%July 1, 2026
J.P. Morgan Asset Management (UK) Limited2 11.79%June 19, 2026
Syquant Capital SAS2 11.78%September 21, 2026
JPMorgan Investment Management2 11.73%June 30, 2026
Jupiter Asset Management Limited2 21.52%August 13, 2026
Linden Advisors LP2 21.49%September 15, 2026
Alcur Fonder AB2 11.40%September 23, 2026
Sculptor Capital Management Europe Limited2 21.31%September 2, 2026
Parvus Asset Management Jersey Limited2 21.30%September 24, 2026
BNP Paribas SA2 11.27%September 23, 2026
Brooklands Fund Management Limited2 11.25%August 17, 2026
Spark Investment Management LLC2 21.19%September 4, 2026
Point72 Asset Management, L.P.2 21.12%September 23, 2026
White Creek Capital LLP2 21.12%September 22, 2026
GLG Partners LP2 21.09%August 25, 2026
Blackrock Institutional Trust Company, National Association2 21.01%September 10, 2026