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Castellum Aktiebolag

Short position disclosed on October 22, 2026.

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Evolution of the disclosed total

0%1%2%3%4%
Jan 2026Apr 2026Jul 2026Oct 2026
Sum of open short positions, as % of capital. Hover or tap the curve to see which funds make it up.
Over the whole history, the total peaked at 6.86% on May 23, 2023. The shaded band matches the twelve months of the first chart.

January 7, 2015 today

Open positions

The funds disclosing a short position that is still open.
FundTwelve months% of capitalOver the yearSince
Arrowstreet Capital Limited Partnership1.07%+0.07 ptSeptember 22, 2026
Citadel Advisors LLC0.84%newOctober 22, 2026
Millennium International Management LP0.64%+0.04 ptOctober 16, 2026
Marchant MC Ltd0.61%newOctober 20, 2026
Worldquant LLC0.51%+0.01 ptOctober 22, 2026

In the United States CWQXF (OTC): 4,238,346 shares sold short on September 30, 2026. FINRA names no fund.

On the other side: the funds that hold Castellum Aktiebolag Titelia

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History of disclosures

235 disclosures on record for this share.
DateFund% of capitalEnd of publication
August 20, 2025BlackRock Financial Management Inc0.69%
August 20, 2025Millennium International Management LP0.60%
August 12, 2025Millennium International Management LP0.51%
August 7, 2025BlackRock Financial Management Inc0.79%
July 31, 2025BlackRock Advisors LLC0.59%
July 30, 2025BlackRock Institutional Trust Company National Association0.59%
July 28, 2025BlackRock Financial Management Inc0.89%
July 17, 2025BlackRock Financial Management Inc0.90%
July 7, 2025Marshall Wace LLP0.50%
July 4, 2025BlackRock Institutional Trust Company National Association0.60%
July 1, 2025BlackRock Financial Management Inc0.80%
June 30, 2025BlackRock Advisors LLC0.60%
June 16, 2025BlackRock Advisors LLC0.50%
June 12, 2025Arrowstreet Capital Limited Partnership1.00%
June 12, 2025BlackRock Financial Management Inc0.70%
June 10, 2025BlackRock Institutional Trust Company National Association0.50%
June 5, 2025Marshall Wace LLP0.50%
June 3, 2025Arrowstreet Capital Limited Partnership0.90%
May 27, 2025BlackRock Financial Management Inc0.60%
May 23, 2025Arrowstreet Capital Limited Partnership0.82%
May 15, 2025BlackRock Financial Management Inc0.50%
May 14, 2025Arrowstreet Capital Limited Partnership0.70%
April 22, 2025Millennium International Management LP0.57%
April 15, 2025Millennium International Management LP0.69%
April 14, 2025Millennium International Management LP0.71%
April 3, 2025Millennium International Management LP0.68%
April 2, 2025Millennium International Management LP0.70%
March 21, 2025Arrowstreet Capital Limited Partnership0.60%
March 18, 2025Millennium International Management LP0.60%
March 7, 2025Arrowstreet Capital Limited Partnership0.50%
March 6, 2025Millennium International Management LP0.53%
February 18, 2025Millennium International Management LP0.54%
February 11, 2025Millennium International Management LP0.61%
January 27, 2025Millennium International Management LP0.59%
January 22, 2025Millennium International Management LP0.60%
December 9, 2024Millennium International Management LP0.50%
November 28, 2024Millennium International Management LP0.50%
September 25, 2024Fosse Capital Partners LLP0.53%
September 19, 2024Millennium International Management LP0.50%
August 26, 2024Millennium International Management LP0.50%
August 19, 2024Millennium International Management LP0.50%
August 5, 2024Two Creeks Capital Management LP0.55%
July 31, 2024Two Creeks Capital Management LP0.69%
July 19, 2024Millennium International Management LP0.57%
July 16, 2024Millennium International Management LP0.67%
July 12, 2024Millennium International Management LP0.70%
July 10, 2024Millennium International Management LP0.61%
July 9, 2024Arrowstreet Capital Limited Partnership0.58%
July 1, 2024Millennium International Management LP0.50%
June 27, 2024Arrowstreet Capital Limited Partnership0.60%

Download 235 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in Sweden

Cite this page

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

QuiVad, Castellum Aktiebolag, source Finansinspektionen, data as at October 22, 2026, https://www.quivad.com/action/castellum-aktiebolag?page=2