Argenx SE

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Argenx SE
TickerARGX
CIK #0001697862
CUSIP04016X101
SectorLife Sciences - Biological Products, (No Disgnostic Substances)
AddressIndustriepark Zqijnaarde 7 Building C B-9052, Zwijnaarde, B-9052
Source [EDGAR]
CIK Filing 2011 - 2025
[0001697862] 6-K
[0001697862] SC 13G
Form 13D/13G Filer Form 13D/13G Subject Filed % Owned
Artisan Partners Limited Partnership Argenx SE [2024-02-12] 81945.4
BlackRock Inc Argenx SE [2022-03-11] 5.9
BlackRock Inc Argenx SE [2022-02-08] 5.9
Artisan Partners Limited Partnership Argenx SE [2022-02-04] 6.2
Price T Rowe Associates Inc /MD/ Argenx SE [2019-02-14] 5.8
Federated Investors Inc /PA/ Argenx SE [2019-02-13] 8.45
FMR LLC Argenx SE [2018-09-10] 0.0
Form 13F Holdings
Firm Period DFND Voting Shares
FMR LLC [2025-06-30] DFND 5,306,457 5,423,508
Janus Henderson Group PLC [2025-06-30] DFND 0 2,565,399
Artisan Partners Limited Partnership [2025-06-30] SOLE 2,010,189 2,349,776
Capital World Investors [2025-06-30] DFND 1,943,676 1,951,082
Avoro Capital Advisors LLC [2025-06-30] SOLE 1,175,000 1,175,000
Citadel Advisors LLC [2025-06-30] DFND 901,570 901,570
Clearbridge Investments LLC [2025-06-30] SOLE 739,638 772,866
RTW Investments LP [2025-06-30] SOLE 673,497 673,497
Bellevue Group AG [2025-06-30] DFND 571,039 571,039
BlackRock, Inc. [2025-06-30] SOLE 529,787 550,146
Millennium Management LLC [2025-06-30] SOLE 429,844 429,844
Morgan Stanley [2025-06-30] DFND 383,300 429,291
Wellington Management Group LLP [2025-06-30] DFND 0 405,333
Bank of America Corp /DE/ [2025-06-30] DFND 2,376 336,120
SEI Investments Co [2025-06-30] SOLE 316,399 316,399
Adage Capital Partners GP LLC [2025-06-30] SOLE 297,113 297,113
Franklin Resources Inc [2025-06-30] DFND 245,886 277,397
Jennison Associates LLC [2025-06-30] DFND 263,715 264,647
Jefferies Financial Group Inc. [2025-06-30] DFND 246,800 246,800
Invesco Ltd. [2025-06-30] DFND 0 243,746
D. E. Shaw & Co., Inc. [2025-06-30] DFND 210,264 210,264
OrbiMed Advisors LLC [2025-06-30] DFND 30,200 208,000
American Century Companies Inc [2025-06-30] DFND 154,077 205,906
Pictet Asset Management Holding SA [2025-06-30] SOLE 180,245 197,286
Braidwell LP [2025-06-30] SOLE 194,491 194,491
BAMCO Inc /NY/ [2025-06-30] DFND 0 180,733
Marshall Wace LLP [2025-06-30] OTR 0 177,724
Allspring Global Investments Holdings, LLC [2025-06-30] DFND 19,406 176,454
Rock Springs Capital Management LP [2025-06-30] SOLE 175,750 175,750
1832 Asset Management L.P. [2025-06-30] SOLE 172,400 172,400
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