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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
May 10, 2023Qube Research & Technologies Limited0.63%
May 4, 2023Two Creeks Capital Management LP0.69%
May 2, 2023Point72 Asset Management LP0.50%
April 25, 2023Arrowstreet Capital Limited Partnership0.60%
March 31, 2023Arrowstreet Capital Limited Partnership0.50%
March 29, 2023Two Creeks Capital Management LP0.71%
March 16, 2023Fosse Capital Partners LLP0.74%
March 15, 2023Fosse Capital Partners LLP0.66%
December 8, 2022Varenne Capital Partners0.51%
November 8, 2022Two Creeks Capital Management LP0.62%
November 3, 2022Two Creeks Capital Management LP0.52%
October 28, 2022Qube Research & Technologies Limited0.58%
October 26, 2022Samlyn Capital LLC0.71%
October 26, 2022Qube Research & Technologies Limited0.67%
October 25, 2022Qube Research & Technologies Limited0.72%
October 24, 2022Samlyn Capital LLC0.61%
October 21, 2022Samlyn Capital LLC0.55%
October 17, 2022Qube Research & Technologies Limited0.80%
October 14, 2022Qube Research & Technologies Limited0.78%
October 12, 2022Qube Research & Technologies Limited0.80%
October 7, 2022Qube Research & Technologies Limited0.72%
October 5, 2022Qube Research & Technologies Limited0.65%
September 30, 2022Qube Research & Technologies Limited0.50%
September 17, 2021Millennium International Management LP0.00%
September 16, 2021Millennium International Management LP0.74%
September 14, 2021Millennium International Management LP0.60%
September 13, 2021Millennium International Management LP0.52%
April 27, 2021Arrowstreet Capital Limited Partnership0.00%
April 23, 2021Arrowstreet Capital Limited Partnership0.51%
April 7, 2021Arrowstreet Capital Limited Partnership0.68%
March 23, 2021Arrowstreet Capital Limited Partnership0.70%
March 3, 2021Arrowstreet Capital Limited Partnership0.60%
February 10, 2021Arrowstreet Capital Limited Partnership0.50%
July 16, 2018Pictet Asset Management SA0.00%
July 9, 2018Pictet Asset Management SA0.53%
July 8, 2018Pictet Asset Management SA0.53%
February 23, 2018Marshall Wace LLP0.00%
February 15, 2018Marshall Wace LLP0.57%
February 14, 2018Marshall Wace LLP0.57%
February 8, 2018Marshall Wace LLP0.69%
February 7, 2018Marshall Wace LLP0.69%
February 5, 2018Marshall Wace LLP0.78%
February 4, 2018Marshall Wace LLP0.78%
February 1, 2018Marshall Wace LLP0.81%
January 31, 2018Marshall Wace LLP0.81%
January 24, 2018Marshall Wace LLP0.72%
January 23, 2018Marshall Wace LLP0.72%
January 17, 2018Marshall Wace LLP0.61%
January 16, 2018Marshall Wace LLP0.61%
January 5, 2018Marshall Wace LLP0.50%

Download 235 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 October 22, 2026, https://www.quivad.com/action/castellum-aktiebolag?page=4