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[SCHEDULE 13G/A] argenx SE American SEC Filing

Filing Impact
(Low)
Filing Sentiment
(Neutral)
Form Type
SCHEDULE 13G/A
Rhea-AI Filing Summary

Artisan Partners and affiliated entities report beneficial ownership of 2,349,776 American Depositary Shares of Argenx, representing 3.8% of the 61,166,252 ADS outstanding. The filing shows no sole voting or dispositive power; instead the filers report shared voting power of 2,010,189 ADS and shared dispositive power of 2,349,776. The reporting persons are Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC and Artisan Partners Limited Partnership, all organized in Delaware with a principal business address in Milwaukee, WI.

The statement is made on Schedule 13G and includes a joint filing agreement among the reporting persons, and it certifies the securities were acquired and are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer.

Artisan Partners e società affiliate dichiarano la titolarità effettiva di 2.349.776 American Depositary Shares di Argenx, pari al 3,8% dei 61.166.252 ADS in circolazione. La comunicazione indica assenza di poteri di voto o dispositivi esclusivi; invece i segnalanti riportano un potere di voto condiviso di 2.010.189 ADS e un potere dispositivo condiviso di 2.349.776. Le persone che presentano la dichiarazione sono Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC e Artisan Partners Limited Partnership, tutte costituite nel Delaware con sede principale a Milwaukee, WI.

La dichiarazione è presentata su Schedule 13G e include un accordo di deposito congiunto tra i soggetti dichiarante; certifica inoltre che i titoli sono stati acquisiti e sono detenuti nell'ordinario svolgimento dell'attività e non allo scopo di modificare o influenzare il controllo dell'emittente.

Artisan Partners y entidades afiliadas informan la titularidad beneficiaria de 2.349.776 American Depositary Shares de Argenx, que representan el 3,8% de los 61.166.252 ADS en circulación. La presentación señala ausencia de poder exclusivo de voto o de disposición; en su lugar, los declarantes informan de un poder de voto compartido de 2.010.189 ADS y un poder de disposición compartido de 2.349.776. Las personas que presentan la declaración son Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC y Artisan Partners Limited Partnership, todas constituidas en Delaware con dirección principal de negocios en Milwaukee, WI.

La declaración se presenta en el Schedule 13G e incluye un acuerdo de presentación conjunta entre los declarantes, y certifica que los valores fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control del emisor.

Artisan Partners와 계열사는 Argenxì� 2,349,776 미국예íƒì£¼ì‹(ADS)ì� 실질ì ìœ¼ë¡� 보유하고 있ìŒì� 신고하며, ì´ëŠ” 발행ë� 61,166,252 ´¡¶Ù³§ì� 3.8%ì—� 해당합니ë‹�. 신고서ì—ëŠ� 단ë…ì� ì˜ê²°ê¶� ë˜ëŠ” 처분ê¶� ì—†ìŒìœ¼ë¡œ 표시ë˜ì–´ 있으ë©�, 대ì‹� ì‹ ê³ ì¸ë“¤ì€ 2,010,189 ´¡¶Ù³§ì� ê³µë™ ì˜ê²°ê¶Œê³¼ 2,349,776 ´¡¶Ù³§ì� ê³µë™ ì²˜ë¶„ê¶Œì„ ì‹ ê³ í•©ë‹ˆë‹�. ì‹ ê³ ì¸ì€ Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC ë°� Artisan Partners Limited Partnership으로 ëª¨ë‘ ë¸ë¼ì›¨ì–´ì—� 설립ë˜ì–´ ì£¼ëœ ì˜ì—… 주소ëŠ� 위스콘신 ì£� 밀워키입니ë‹�.

ì� ì„œëª…ì€ Schedule 13Gë¡� 제출ë˜ì—ˆìœ¼ë©° ì‹ ê³ ì¸ë“¤ ê°„ì˜ ê³µë™ ì œì¶œ í•©ì˜ì„œë¥¼ í¬í•¨í•˜ê³ , 해당 ì¦ê¶Œì� 통ìƒì ì¸ ì˜ì—… 과정ì—서 취듷보유ë˜ì—ˆìœ¼ë©° 발행ì¸ì˜ 지배권ì� 변경하거나 ì˜í–¥ì� 미치려는 목ì ìœ¼ë¡œ 보유ë� ê²ƒì´ ì•„ë‹˜ì� ì¦ëª…합니ë‹�.

Artisan Partners et entités affiliées déclarent la propriété bénéficiaire de 2 349 776 American Depositary Shares d'Argenx, représentant 3,8% des 61 166 252 ADS en circulation. Le dépôt indique aucun pouvoir exclusif de vote ou de disposition ; en revanche, les déclarants indiquent un pouvoir de vote partagé de 2 010 189 ADS et un pouvoir de disposition partagé de 2 349 776. Les personnes déclarantes sont Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC et Artisan Partners Limited Partnership, toutes constituées dans le Delaware et dont le siège social est à Milwaukee, WI.

La déclaration est faite sur le Schedule 13G et inclut un accord de dépôt conjoint entre les déclarants ; elle certifie que les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle de l'émetteur.

Artisan Partners und verbundene Unternehmen melden wirtschaftliches Eigentum an 2.349.776 American Depositary Shares von Argenx, entsprechend 3,8% der 61.166.252 ausstehenden ADS. Die Meldung weist keine alleinigen Stimm- oder Verfügungsrechte aus; stattdessen berichten die meldepflichtigen Personen über ein gemeinsam ausgeübtes Stimmrecht von 2.010.189 ADS und ein gemeinsames Verfügungsrecht von 2.349.776. Die meldenden Personen sind Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC und Artisan Partners Limited Partnership, alle in Delaware gegründet mit Hauptgeschäftssitz in Milwaukee, WI.

Die Erklärung wurde auf Schedule 13G eingereicht und enthält eine Vereinbarung zur gemeinsamen Einreichung zwischen den meldenden Personen; sie bescheinigt außerdem, dass die Wertpapiere im normalen Geschäftsverlauf erworben und gehalten werden und nicht zum Zweck einer Änderung oder Beeinflussung der Kontrolle des Emittenten dienen.

Positive
  • None.
Negative
  • None.

Insights

3.8% position disclosed; shared voting power but no sole control—non-controlling stake.

The filing quantifies the economic and voting exposure precisely: 2,349,776 ADS owned equals 3.8% of the 61,166,252 ADS base. Voting authority is reported as shared for 2,010,189 ADS with no sole voting or dispositive power. From a portfolio-impact perspective, this is a measurable passive stake below 5% and therefore unlikely to trigger material governance influence based solely on the numbers disclosed.

Joint filing shows coordinated reporting; certification asserts ordinary-course holdings, not an attempt to exert control.

The submission identifies four related Artisan entities and references a joint filing agreement, indicating coordinated disclosure rather than a single controlling holder. The certifying language states the shares are held in the ordinary course of business and not to influence issuer control. The combination of shared voting power of 2,010,189 and absence of sole powers supports a governance profile of shared, passive influence rather than control.

Artisan Partners e società affiliate dichiarano la titolarità effettiva di 2.349.776 American Depositary Shares di Argenx, pari al 3,8% dei 61.166.252 ADS in circolazione. La comunicazione indica assenza di poteri di voto o dispositivi esclusivi; invece i segnalanti riportano un potere di voto condiviso di 2.010.189 ADS e un potere dispositivo condiviso di 2.349.776. Le persone che presentano la dichiarazione sono Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC e Artisan Partners Limited Partnership, tutte costituite nel Delaware con sede principale a Milwaukee, WI.

La dichiarazione è presentata su Schedule 13G e include un accordo di deposito congiunto tra i soggetti dichiarante; certifica inoltre che i titoli sono stati acquisiti e sono detenuti nell'ordinario svolgimento dell'attività e non allo scopo di modificare o influenzare il controllo dell'emittente.

Artisan Partners y entidades afiliadas informan la titularidad beneficiaria de 2.349.776 American Depositary Shares de Argenx, que representan el 3,8% de los 61.166.252 ADS en circulación. La presentación señala ausencia de poder exclusivo de voto o de disposición; en su lugar, los declarantes informan de un poder de voto compartido de 2.010.189 ADS y un poder de disposición compartido de 2.349.776. Las personas que presentan la declaración son Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC y Artisan Partners Limited Partnership, todas constituidas en Delaware con dirección principal de negocios en Milwaukee, WI.

La declaración se presenta en el Schedule 13G e incluye un acuerdo de presentación conjunta entre los declarantes, y certifica que los valores fueron adquiridos y se mantienen en el curso ordinario del negocio y no con el propósito de cambiar o influir en el control del emisor.

Artisan Partners와 계열사는 Argenxì� 2,349,776 미국예íƒì£¼ì‹(ADS)ì� 실질ì ìœ¼ë¡� 보유하고 있ìŒì� 신고하며, ì´ëŠ” 발행ë� 61,166,252 ´¡¶Ù³§ì� 3.8%ì—� 해당합니ë‹�. 신고서ì—ëŠ� 단ë…ì� ì˜ê²°ê¶� ë˜ëŠ” 처분ê¶� ì—†ìŒìœ¼ë¡œ 표시ë˜ì–´ 있으ë©�, 대ì‹� ì‹ ê³ ì¸ë“¤ì€ 2,010,189 ´¡¶Ù³§ì� ê³µë™ ì˜ê²°ê¶Œê³¼ 2,349,776 ´¡¶Ù³§ì� ê³µë™ ì²˜ë¶„ê¶Œì„ ì‹ ê³ í•©ë‹ˆë‹�. ì‹ ê³ ì¸ì€ Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC ë°� Artisan Partners Limited Partnership으로 ëª¨ë‘ ë¸ë¼ì›¨ì–´ì—� 설립ë˜ì–´ ì£¼ëœ ì˜ì—… 주소ëŠ� 위스콘신 ì£� 밀워키입니ë‹�.

ì� ì„œëª…ì€ Schedule 13Gë¡� 제출ë˜ì—ˆìœ¼ë©° ì‹ ê³ ì¸ë“¤ ê°„ì˜ ê³µë™ ì œì¶œ í•©ì˜ì„œë¥¼ í¬í•¨í•˜ê³ , 해당 ì¦ê¶Œì� 통ìƒì ì¸ ì˜ì—… 과정ì—서 취듷보유ë˜ì—ˆìœ¼ë©° 발행ì¸ì˜ 지배권ì� 변경하거나 ì˜í–¥ì� 미치려는 목ì ìœ¼ë¡œ 보유ë� ê²ƒì´ ì•„ë‹˜ì� ì¦ëª…합니ë‹�.

Artisan Partners et entités affiliées déclarent la propriété bénéficiaire de 2 349 776 American Depositary Shares d'Argenx, représentant 3,8% des 61 166 252 ADS en circulation. Le dépôt indique aucun pouvoir exclusif de vote ou de disposition ; en revanche, les déclarants indiquent un pouvoir de vote partagé de 2 010 189 ADS et un pouvoir de disposition partagé de 2 349 776. Les personnes déclarantes sont Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC et Artisan Partners Limited Partnership, toutes constituées dans le Delaware et dont le siège social est à Milwaukee, WI.

La déclaration est faite sur le Schedule 13G et inclut un accord de dépôt conjoint entre les déclarants ; elle certifie que les titres ont été acquis et sont détenus dans le cours normal des affaires et non dans le but de modifier ou d'influencer le contrôle de l'émetteur.

Artisan Partners und verbundene Unternehmen melden wirtschaftliches Eigentum an 2.349.776 American Depositary Shares von Argenx, entsprechend 3,8% der 61.166.252 ausstehenden ADS. Die Meldung weist keine alleinigen Stimm- oder Verfügungsrechte aus; stattdessen berichten die meldepflichtigen Personen über ein gemeinsam ausgeübtes Stimmrecht von 2.010.189 ADS und ein gemeinsames Verfügungsrecht von 2.349.776. Die meldenden Personen sind Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC und Artisan Partners Limited Partnership, alle in Delaware gegründet mit Hauptgeschäftssitz in Milwaukee, WI.

Die Erklärung wurde auf Schedule 13G eingereicht und enthält eine Vereinbarung zur gemeinsamen Einreichung zwischen den meldenden Personen; sie bescheinigt außerdem, dass die Wertpapiere im normalen Geschäftsverlauf erworben und gehalten werden und nicht zum Zweck einer Änderung oder Beeinflussung der Kontrolle des Emittenten dienen.






Check the appropriate box to designate the rule pursuant to which this Schedule is filed:
Rule 13d-1(b)
Rule 13d-1(c)
Rule 13d-1(d)






SCHEDULE 13G




Comment for Type of Reporting Person: (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP.


SCHEDULE 13G




Comment for Type of Reporting Person: (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP.


SCHEDULE 13G




Comment for Type of Reporting Person: (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP.


SCHEDULE 13G




Comment for Type of Reporting Person: (e) Artisan Partners Limited Partnership is an investment adviser registered under section 203 of the Investment Advisers Act of 1940. (g) Artisan Partners Holdings LP is the sole limited partner of Artisan Partners Limited Partnership and the sole member of Artisan Investments GP LLC; Artisan Investments GP LLC is the general partner of Artisan Partners Limited Partnership; Artisan Partners Asset Management Inc. is the general partner of Artisan Partners Holdings LP.


SCHEDULE 13G



Artisan Partners Asset Management Inc.
Signature:/s/ Gregory K. Ramirez
Name/Title:Gregory K. Ramirez, Executive Vice President of Artisan Partners Asset Management Inc.
Date:08/12/2025
Artisan Partners Holdings LP
Signature:/s/ Gregory K. Ramirez
Name/Title:Gregory K. Ramirez, Executive Vice President of Artisan Partners Asset Management Inc., as the general partner of Artisan Partners Holdings LP
Date:08/12/2025
Artisan Investments GP LLC
Signature:/s/ Gregory K. Ramirez
Name/Title:Gregory K. Ramirez, Vice President of Artisan Investments GP LLC
Date:08/12/2025
Artisan Partners Limited Partnership
Signature:/s/ Gregory K. Ramirez
Name/Title:Gregory K. Ramirez, Vice President of Artisan Investments GP LLC, as the general partner of Artisan Partners Limited Partnership
Date:08/12/2025

Comments accompanying signature: Exhibit Index Exhibit 1 - Joint Filing Agreement dated 08/12/2025 by and among Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC, and Artisan Partners Limited Partnership.

FAQ

What stake does Artisan Partners report in ARGX?

Artisan Partners and affiliates report beneficial ownership of 2,349,776 ADS, representing 3.8% of the class based on 61,166,252 ADS outstanding.

How much voting power does Artisan report for ARGX?

The filers report no sole voting power and shared voting power of 2,010,189 ADS.

Does Artisan Partners have sole dispositive power over these ARGX shares?

No. The filing shows no sole dispositive power and shared dispositive power of 2,349,776 ADS.

Which entities filed the Schedule 13G/A for ARGX?

The filing names Artisan Partners Asset Management Inc., Artisan Partners Holdings LP, Artisan Investments GP LLC and Artisan Partners Limited Partnership.

Is this holding reported as more than 5% of ARGX?

No. Item 5 indicates this is ownership of 5 percent or less of the class; the disclosed percentage is 3.8%.
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