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Castellum Aktiebolag

Short position disclosed on August 6, 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.
The whole history, peaking at 6.36% on May 23, 2023. The shaded band is the year shown above.

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 Partnership1.10%+0.10 ptJuly 14, 2026
Citadel Advisors LLC0.69%newAugust 6, 2026

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

History of disclosures

215 disclosures on record for this share.
DateFund% of capitalEnd of publication
August 6, 2026Citadel Advisors LLC0.69%still open
July 14, 2026Arrowstreet Capital Limited Partnership1.10%still open
July 6, 2026Arrowstreet Capital Limited Partnership1.09%still open
June 24, 2026Millennium International Management LP0.59%still open
June 23, 2026Citadel Advisors LLC0.71%still open
June 18, 2026Millennium International Management LP0.64%still open
June 15, 2026Millennium International Management LP0.71%still open
June 8, 2026Millennium International Management LP0.60%still open
June 4, 2026Citadel Advisors LLC0.60%still open
June 3, 2026Arrowstreet Capital Limited Partnership1.10%still open
June 1, 2026Arrowstreet Capital Limited Partnership1.09%still open
May 29, 2026Millennium International Management LP0.55%still open
May 27, 2026Millennium International Management LP0.61%still open
May 15, 2026Citadel Advisors LLC0.51%still open
May 13, 2026Millennium International Management LP0.50%still open
May 11, 2026Arrowstreet Capital Limited Partnership1.10%still open
April 28, 2026Marchant MC Ltd0.50%still open
April 27, 2026Capricorn Fund Managers Limited3.95%still open
April 22, 2026Millennium International Management LP0.50%still open
April 16, 2026Arrowstreet Capital Limited Partnership1.08%still open
March 20, 2026Marchant MC Ltd0.51%still open
December 9, 2025Arrowstreet Capital Limited Partnership1.10%still open
November 20, 2025BlackRock Financial Management Inc0.59%still open
November 14, 2025BlackRock Financial Management Inc0.69%still open
October 31, 2025BlackRock Financial Management Inc0.73%still open
October 22, 2025BlackRock Financial Management Inc0.69%still open
October 13, 2025BlackRock Financial Management Inc0.70%still open
October 2, 2025BlackRock Institutional Trust Company National Association0.50%still open
September 15, 2025Millennium International Management LP0.60%still open
August 26, 2025Millennium International Management LP0.55%still open
August 20, 2025BlackRock Financial Management Inc0.69%still open
August 20, 2025Millennium International Management LP0.60%still open
August 12, 2025Millennium International Management LP0.51%still open
August 7, 2025BlackRock Financial Management Inc0.79%still open
July 31, 2025BlackRock Advisors LLC0.59%still open
July 30, 2025BlackRock Institutional Trust Company National Association0.59%still open
July 28, 2025BlackRock Financial Management Inc0.89%still open
July 17, 2025BlackRock Financial Management Inc0.90%still open
July 7, 2025Marshall Wace LLP0.50%still open
July 4, 2025BlackRock Institutional Trust Company National Association0.60%still open
July 1, 2025BlackRock Financial Management Inc0.80%still open
June 30, 2025BlackRock Advisors LLC0.60%still open
June 16, 2025BlackRock Advisors LLC0.50%still open
June 12, 2025Arrowstreet Capital Limited Partnership1.00%still open
June 12, 2025BlackRock Financial Management Inc0.70%still open
June 10, 2025BlackRock Institutional Trust Company National Association0.50%still open
June 5, 2025Marshall Wace LLP0.50%still open
June 3, 2025Arrowstreet Capital Limited Partnership0.90%still open
May 27, 2025BlackRock Financial Management Inc0.60%still open
May 23, 2025Arrowstreet Capital Limited Partnership0.82%still open

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 August 6, 2026, https://www.quivad.com/action/castellum-aktiebolag