Amper SA

Last updated at 16 October 2026, 21:30 UTC from CNMV

Active Short

3.33%

Active Short Value

€14 million

Industry

Technology Equipment

Active Positions

Holder Short %
Arrowstreet Capital, L.P.
October 14, 2026 		0.60%
2 M€
Worldquant, Llc
October 06, 2026 		0.71%
3 M€
Tudor Capital Europe Llp
June 30, 2026 		0.50%
2 M€
Connor, Clark & Lunn Investment Management Ltd.
June 29, 2026 		0.60%
2 M€
Actusraypartners Limited
May 11, 2026 		0.92%
4 M€

Historic Positions

Date Holder Short
2026-09-07 Worldquant, Llc 0.60%
2026-08-26 Citadel Securities Gcs (Ireland) Limited 0.49%
2026-08-25 Worldquant, Llc 0.51%
2026-08-14 Citadel Securities Gcs (Ireland) Limited 0.51%
2026-07-29 Citadel Securities Gcs (Ireland) Limited 0.47%
2026-07-22 Arrowstreet Capital, L.P. 0.57%
2026-07-17 Arrowstreet Capital, L.P. 0.00%
2026-07-06 Arrowstreet Capital, L.P. 0.58%
2026-06-26 Arrowstreet Capital, L.P. 0.69%
2026-06-23 Arrowstreet Capital, L.P. 0.75%
2026-06-15 Arrowstreet Capital, L.P. 0.89%
2026-06-08 Arrowstreet Capital, L.P. 0.97%
2026-06-02 Arrowstreet Capital, L.P. 1.09%
2026-05-28 Arrowstreet Capital, L.P. 1.17%
2026-05-19 Connor, Clark & Lunn Investment Management Ltd. 0.51%
2026-04-30 Arrowstreet Capital, L.P. 1.24%
2026-04-02 Arrowstreet Capital, L.P. 1.11%
2026-03-31 Arrowstreet Capital, L.P. 1.02%
2026-03-25 Arrowstreet Capital, L.P. 0.85%
2026-03-23 Arrowstreet Capital, L.P. 0.71%
2026-03-19 Arrowstreet Capital, L.P. 0.63%
2026-03-16 Arrowstreet Capital, L.P. 0.50%
2026-03-09 Actusraypartners Limited 0.82%
2026-03-04 Actusraypartners Limited 0.78%
2026-01-27 Actusraypartners Limited 0.87%
2025-11-21 Actusraypartners Limited 0.80%
2025-10-24 Actusraypartners Limited 0.71%
2025-10-20 Qube Research & Technologies Ltd 0.00%
2025-10-08 Actusraypartners Limited 0.60%
2025-10-01 Actusraypartners Limited 0.51%
2025-08-22 Qube Research & Technologies Ltd 0.50%
2025-08-20 Qube Research & Technologies Ltd 0.48%
2025-08-19 Qube Research & Technologies Ltd 0.58%
2025-08-11 Qube Research & Technologies Ltd 0.61%
2025-08-01 Qube Research & Technologies Ltd 0.56%
2025-07-30 Qube Research & Technologies Ltd 0.51%
2025-07-30 Sculptor Capital Management Europe Limited 0.00%
2025-07-29 Millennium Capital Partners Llp 0.00%
2025-07-29 Qube Research & Technologies Ltd 0.48%
2025-07-29 Sculptor Capital Management Europe Limited 0.83%
2025-07-28 Sculptor Capital Management Europe Limited 0.76%
2025-07-25 Qube Research & Technologies Ltd 0.66%
2025-07-25 Sculptor Capital Management Europe Limited 0.67%
2025-07-24 Qube Research & Technologies Ltd 0.54%
2025-07-22 Qube Research & Technologies Ltd 0.72%
2025-07-21 Millennium Capital Partners Llp 0.92%
2025-07-18 Qube Research & Technologies Ltd 0.67%
2025-07-16 Qube Research & Technologies Ltd 0.73%
2025-07-15 Millennium Capital Partners Llp 0.80%
2025-07-14 Qube Research & Technologies Ltd 0.63%
2025-07-11 Millennium Capital Partners Llp 0.51%
2025-07-11 Qube Research & Technologies Ltd 0.58%
2025-07-10 Qube Research & Technologies Ltd 0.78%
2025-07-09 Qube Research & Technologies Ltd 0.81%
2025-07-07 Qube Research & Technologies Ltd 0.76%
2017-07-12 Gsa Capital Partners Llp 0.49%
2017-07-10 Gsa Capital Partners Llp 0.50%
2017-06-30 Gsa Capital Partners Llp 0.48%
2017-05-31 Gsa Capital Partners Llp 0.51%
2017-04-12 Gsa Capital Partners Llp 0.46%
2017-04-07 Gsa Capital Partners Llp 0.50%
2016-01-27 Gsa Capital Partners Llp 0.44%
2016-01-20 Gsa Capital Partners Llp 0.50%
2015-05-26 Zürcher Kantonalbank 0.45%
2015-05-21 Zürcher Kantonalbank 2.55%
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