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secunet Security Networks YSN.DE · EUR

Information Technology · XETRA · 🇩🇪 Germany

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230.00

+0.44%

Close of 9 Nov 2026, in EUR

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
Giesecke+Devrient Gesellschaft mit beschränkter Haftung4.9m75.12%—18 Jul 2025
Berenberg Bank (Asset Management)81.1k1.25%+531 May 2025
The Vanguard Group, Inc.49.5k0.76%+431 Jul 2025
Baader Bank AG38.6k0.59%−28631 May 2025
Lupus alpha Asset Management AG28.3k0.44%+4.3k30 Apr 2025
Dimensional Fund Advisors, L.P.18.7k0.29%+29531 Jul 2025
Allianz Global Investors GmbH16.5k0.25%—30 Jun 2025
BlackRock Institutional Trust Company, N.A.14.9k0.23%+5631 Jul 2025
Universal-Investment-Gesellschaft mbH13k0.20%—31 May 2025
DWS Investment GmbH12.5k0.19%+22731 Jul 2025
Amundi Asset Management, SAS9.8k0.15%+27831 Jul 2025
Metzler Asset Management GmbH5.5k0.08%+5.5k30 Apr 2025
BlackRock Advisors (UK) Limited5.2k0.08%+20031 Jul 2025
Deka Investment GmbH4k0.06%+4k30 Apr 2025
Montanaro Asset Management Limited3.6k0.06%+56230 Jun 2025

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
10 Apr 2026Siewert, Ferryin enger BeziehungPurchase55k183.32€10.1m
9 Apr 2026Siewert, Zeain enger BeziehungPurchase55.3k184.25€10.2m

Sources and methodology

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Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.