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Castellum Aktiebolag

Short position disclosed on September 22, 2026.

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Evolution of the disclosed total

0%1%2%3%
Oct 2025Jan 2026Apr 2026Jul 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 6.36% 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 LLC0.69%newAugust 6, 2026
Millennium International Management LP0.66%+0.06 ptSeptember 18, 2026

In the United States CWQXF (OTC): 4,422,325 shares sold short on August 31, 2026. FINRA names no fund.

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

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History of disclosures

223 disclosures on record for this share.
DateFund% of capitalEnd of publication
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%
May 17, 2024Arrowstreet Capital Limited Partnership0.59%
February 12, 2024Two Creeks Capital Management LP0.72%
February 6, 2024Arrowstreet Capital Limited Partnership0.60%
December 28, 2023Arrowstreet Capital Limited Partnership0.59%
December 27, 2023Two Creeks Capital Management LP0.69%
December 15, 2023Two Creeks Capital Management LP0.72%
December 15, 2023Arrowstreet Capital Limited Partnership0.68%
August 24, 2023Qube Research & Technologies Limited0.59%
August 17, 2023Qube Research & Technologies Limited0.67%
August 10, 2023Arrowstreet Capital Limited Partnership0.71%
August 4, 2023Qube Research & Technologies Limited0.77%
July 18, 2023Qube Research & Technologies Limited0.80%

Download 223 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in Sweden

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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 September 22, 2026, https://www.quivad.com/action/castellum-aktiebolag?page=2