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X-Fab Silicon Foundries SE

Short position disclosed on August 3, 2026.

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Evolution of the disclosed total

0%1%2%3%4%
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 3.22% on August 3, 2026. The shaded band is the year shown above.

November 7, 2017 today

Open positions

The funds disclosing a short position that is still open.
FundTwelve months% of capitalOver the yearSinceFiling
Jpmorgan Asset Management (UK) Limited2.73%+1.64 ptAugust 3, 2026AMF

In the United States XFABF (OTC): 90,641 shares sold short on August 31, 2026. FINRA names no fund.

On the other side: the funds that hold X-Fab Silicon Foundries SE Titelia

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History of disclosures

49 disclosures on record for this share.
DateFund% of capitalEnd of publicationFiling
August 3, 2026Jpmorgan Asset Management (UK) Limited2.73%still openAMF
August 3, 2026Walleye Capital LLC0.49%August 5, 2026
July 31, 2026Jpmorgan Asset Management (UK) Limited2.69%AMF
July 30, 2026Walleye Capital LLC0.50%August 5, 2026
July 27, 2026Jpmorgan Asset Management (UK) Limited2.55%AMF
July 23, 2026Jpmorgan Asset Management (UK) Limited2.45%AMF
July 22, 2026Jpmorgan Asset Management (UK) Limited2.35%AMF
July 21, 2026Jpmorgan Asset Management (UK) Limited2.21%AMF
July 20, 2026Jpmorgan Asset Management (UK) Limited1.85%AMF
July 17, 2026Jpmorgan Asset Management (UK) Limited1.76%AMF
June 29, 2026Jpmorgan Asset Management (UK) Limited1.53%AMF
June 25, 2026Jpmorgan Asset Management (UK) Limited1.41%AMF
June 24, 2026Jpmorgan Asset Management (UK) Limited1.34%AMF
June 23, 2026Jpmorgan Asset Management (UK) Limited1.29%AMF
June 22, 2026Jpmorgan Asset Management (UK) Limited1.17%AMF
June 19, 2026Jpmorgan Asset Management (UK) Limited1.06%AMF
June 17, 2026Jpmorgan Asset Management (UK) Limited0.84%AMF
June 15, 2026Jpmorgan Asset Management (UK) Limited0.72%AMF
June 1, 2026Jpmorgan Asset Management (UK) Limited0.56%AMF
May 28, 2026Jpmorgan Asset Management (UK) Limited0.69%AMF
May 27, 2026Jpmorgan Asset Management (UK) Limited0.86%AMF
April 20, 2026Jpmorgan Asset Management (UK) Limited0.99%AMF
February 10, 2026Jpmorgan Asset Management (UK) Limited1.06%AMF
February 4, 2026Jpmorgan Asset Management (UK) Limited0.91%AMF
February 2, 2026Jpmorgan Asset Management (UK) Limited0.84%AMF
December 5, 2025Jpmorgan Asset Management (UK) Limited0.79%AMF
December 3, 2025Jpmorgan Asset Management (UK) Limited0.86%AMF
September 23, 2025Jpmorgan Asset Management (UK) Limited0.99%AMF
September 18, 2025Jpmorgan Asset Management (UK) Limited1.09%AMF
August 27, 2025Jpmorgan Asset Management (UK) Limited1.12%AMF
July 4, 2025Qube Research & Technologies Limited0.00%July 8, 2025
June 6, 2025Qube Research & Technologies Limited0.50%July 8, 2025
March 21, 2025Worldquant, LLC0.48%March 26, 2025
March 10, 2025Worldquant, LLC0.50%March 26, 2025
September 13, 2024Jpmorgan Asset Management (UK) Limited0.97%AMF
July 31, 2024Jpmorgan Asset Management (UK) Limited1.14%AMF
July 26, 2024Jpmorgan Asset Management (UK) Limited1.01%AMF
June 4, 2024Jpmorgan Asset Management (UK) Limited0.80%AMF
May 28, 2024Jpmorgan Asset Management (UK) Limited0.71%AMF
May 23, 2024Jpmorgan Asset Management (UK) Limited0.63%AMF
May 22, 2024Jpmorgan Asset Management (UK) Limited0.56%AMF
November 15, 2022Jpmorgan Asset Management (UK) Limited0.48%November 17, 2022
November 1, 2022Jpmorgan Asset Management (UK) Limited0.59%November 17, 2022
October 13, 2022Jpmorgan Asset Management (UK) Limited0.60%November 17, 2022
September 15, 2022Jpmorgan Asset Management (UK) Limited0.50%November 17, 2022
May 3, 2022Jpmorgan Asset Management (UK) Limited0.43%May 5, 2022
February 11, 2022Jpmorgan Asset Management (UK) Limited0.51%May 5, 2022
October 17, 2018Coltrane Master Fund, L.P.0.38%October 19, 2018
November 7, 2017Coltrane Master Fund, L.P.0.52%October 19, 2018

The AMF column opens the filing the fund itself lodged, on the regulator own site.

Download 49 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in France

Cite this page

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

QuiVad, X-Fab Silicon Foundries SE, source AMF, data as at August 3, 2026, https://www.quivad.com/action/x-fab-silicon-foundries-se