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Disclosery

ARGX ARGENX SE

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ADR (ADR), issuer CIK 1697862

461 managers (469 13F filers) reported a position in ARGX shares at 2025-09-30, 30,519,433 shares in all. 88 filers opened a position and 57 filers sold out during the quarter.

Managers
461
13F filers
469
New
88
Added
178
Reduced
136
Sold out
57
Shares held by filers
30,519,433

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
FMR LLCin group FMR LLC5,692,346$4.2B0.22%+268,83813F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/3,640,409$2.69B0.29%-1,339,56713F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson2,575,251$1.9B0.87%+9,85213F-HRTimelineGroup
Artisan Partners Limited Partnership2,186,510$1.61B2.32%-163,26613F-HRTimeline
Capital World Investors1,959,504$1.45B0.2%+8,42213F-HRTimeline
Franklin Resourcesgroup of 2 filers holding1,015,136$749M-37,533Timeline
Avoro Capital Advisors LLC990,000$730M9.45%-185,00013F-HRTimeline
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…729,986$538M0.09%+324,65313F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC713,559$526M0.42%-152,41113F-HRTimelineGroup
RTW INVESTMENTS, LP673,497$497M6.12%013F-HRTimeline
Bellevue Group AGin group Bellevue Group AG546,328$403M8.37%-24,71113F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.523,801$386M0.01%-26,34513F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY435,106$321M0.02%+5,81513F-HR/ATimelineGroup
TWO SIGMA INVESTMENTS, LPgroup of 2 filers holding433,860$320M+375,978Timeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC347,518$256M0.2%-82,32613F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/342,379$253M0.02%+6,25913F-HR/ATimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO312,268$230M0.25%-4,13113F-HRTimelineGroup
JENNISON ASSOCIATES LLC240,228$177M0.1%-24,41913F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC229,770$169M0.09%+23,86413F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …211,330$162M0.26%+26,34313F-HRTimelineGroup
LORD, ABBETT & CO. LLC196,877$145M0.43%+95,79813F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC193,113$142M0.02%+50,96313F-HRTimelineGroup
Fiera Capital Corpin group Fiera Capital Corp177,654$131M0.42%+19,18013F-HRTimelineGroup
ALKEON CAPITAL MANAGEMENT LLC175,000$129M0.58%+100,00013F-HRTimeline
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC172,300$127M3.05%-35,70013F-HRTimelineGroup
Woodline Partners LP169,476$125M0.59%+129,20513F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…169,333$125M0.12%-27,95313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.169,028$125M0.1%+31,06413F-HRTimelineGroup
BAMCO INC /NY/in group Baron Capital167,694$124M0.33%-13,03913F-HRTimelineGroup
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC165,658$122M0.03%+54,46313F-HRTimelineGroup
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.155,000$114M1.05%-40013F-HRTimelineGroup
Checkpoint Capital L.P.150,000$111M37.07%+2313F-HRTimeline
Legal & General Group Plcin group Legal & General Group Plc148,619$110M0.02%+22,81013F-HRTimelineGroup
Rock Springs Capital Management LP142,750$105M6.15%-33,00013F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC137,196$101M0.14%+9,70813F-HRTimelineGroup
TimesSquare Capital Management, LLC127,530$94.1M1.35%-6,05013F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC125,371$92.5M1.52%-1213F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.124,224$91.6M0.16%+56513F-HRTimelineGroup
TD Asset Management Inc120,902$89.2M0.07%+86013F-HRTimeline
1832 Asset Management L.P.110,700$81.6M0.14%-61,70013F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS106,714$78.7M0.06%+39,91913F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding96,493$71.2M+8,692Timeline
Ensign Peak Advisors, Inc96,361$71.1M0.12%+3,02513F-HR/ATimeline
PINEBRIDGE INVESTMENTS, L.P.95,723$70.6M0.52%+18,98213F-HRTimeline
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT…in group SUMMIT PARTNERS PUBLIC ASSET …92,454$68.2M2.22%+75,33113F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\88,724$65.4M0.02%+68,79413F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.84,919$62.6M0.01%-158,82713F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.84,753$62.5M0.02%+30,91813F-HRTimeline
Nuveen, LLCin group TIAA81,400$60M0.02%new13F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …80,632$59.5M0.15%-6,78213F-HRTimelineGroup
Artia Global Partners LP78,311$57.8M10.16%013F-HR/ATimeline
Eagle Health Investments LP77,430$57.1M14.99%013F-HRTimeline
PGGM Investments76,699$56.6M0.92%013F-HRTimeline
BRAIDWELL LP76,091$56.1M1.67%-118,40013F-HRTimeline
Caisse de depot et placement du Quebec73,595$54.3M0.1%-17,30013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP69,751$51.4M0.01%+6,81913F-HRTimelineGroup
Soleus Capital Management, L.P.69,426$51.2M2.74%+26,55013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC68,794$50.7M0.02%-3,79413F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc66,676$49.2M0.08%-3,61713F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …65,286$48.2M0.04%+2,04313F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND65,122$48M0.06%+1,02013F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP64,985$47.9M0.04%+6,21513F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC62,804$46.3M0.08%new13F-HRTimelineGroup
VOLORIDGE INVESTMENT MANAGEMENT, LLC58,491$43.1M0.14%+19,19113F-HRTimeline
ARMISTICE CAPITAL, LLC58,000$42.8M1.34%-22,00013F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN55,674$41.1M0.01%+29313F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding53,793$39.7M-38,902Timeline
Quadrature Capital Ltdin group Quadrature Capital Ltd50,603$37.3M0.44%+30,10213F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC49,904$36.8M0.04%+33,38413F-HRTimelineGroup
Perpetual Ltdin group Perpetual Ltd49,379$36.4M0.45%-47,57613F-HRTimelineGroup
Candriam S.C.A.48,200$35.6M0.19%+2,63313F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA47,064$34.7M0.01%+5,75013F-HRTimelineGroup
Tri Locum Partners LP43,411$32M7.36%-4,38213F-HRTimeline
Handelsbanken Fonder AB41,105$30.3M0.1%+1,35213F-HRTimeline
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP40,220$29.7M0.01%+4,22713F-HRTimelineGroup
First Turn Management, LLC38,767$28.6M4.29%-5,18613F-HRTimeline
BAKER BROS. ADVISORS LPin group BAKER BROS. ADVISORS LP37,760$27.9M0.2%013F-HRTimelineGroup
VAN ECK ASSOCIATES CORPin group VAN ECK ASSOCIATES CORP36,071$26.6M0.02%-5,52713F-HRTimelineGroup
Qube Research & Technologies Ltd35,183$25.9M0.04%-23,10213F-HRTimeline
ODDO BHF ASSET MANAGEMENT SAS28,889$21.3M0.81%+7,31513F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
AXA Investment Managers S.A.26,710$19.7M0.05%13F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC26,114$19.3M<0.01%-14313F-HRTimelineGroup
LPL Financial LLC25,770$19M0.01%+3,71613F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC25,749$19M0.01%+3,16913F-HRTimelineGroup
NATIXIS ADVISORS, LLCin group Natixis Investment Managers24,503$18.1M0.03%+5,43313F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC21,610$15.9M0.02%+5,75513F-HRTimelineGroup
Driehaus Capital Management LLC19,034$14M0.1%-1,71013F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC18,985$14M0.03%-12,31113F-HRTimelineGroup
SANDS CAPITAL MANAGEMENT, LLC16,625$12.3M0.03%new13F-HRTimeline
SCHRODER INVESTMENT MANAGEMENT GROUP16,460$11.8M0.01%-7,16813F-HRTimeline
Patient Square Capital LP15,500$11.4M3.06%-13,50013F-HRTimeline
MML INVESTORS SERVICES, LLC15,379$11.3M0.03%-113F-HRTimeline
ARDSLEY ADVISORY PARTNERS LP15,000$11.1M1.7%new13F-HRTimeline
MOORE CAPITAL MANAGEMENT, LP15,000$11.1M0.22%-32,00013F-HRTimeline
Mediolanum International Funds Ltd14,339$10.3M0.11%new13F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH14,268$10.3M0.1%-22813F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…13,853$10.2M0.28%-5,48613F-HRTimelineGroup
DCF Advisers, LLC13,650$10.1M3.81%013F-HRTimeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding13,600$10M+2,807Timeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co13,351$9.6M0.01%+15713F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP12,525$9.24M0.01%-165,19913F-HRTimelineGroup
STEMPOINT CAPITAL LP12,465$9.19M1.85%new13F-HRTimeline
Cinctive Capital Management LP12,300$9.07M0.45%+10,00213F-HRTimeline
Thematics Asset Management11,576$8.54M0.39%013F-HRTimeline
USS Investment Management Ltd11,450$8.45M0.04%013F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.11,328$8.36M0.14%-6,06613F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…10,823$7.98M0.02%+10,29613F-HRTimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…10,500$7.74M0.05%-57,42313F-HR/ATimelineGroup
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/10,306$7.6M<0.01%+87313F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP10,066$7.42M0.01%-3913F-HRTimelineGroup
Iron Triangle Partners LP9,900$7.3M1.04%-5,66713F-HRTimeline
ASSETMARK, INCin group ASSETMARK, INC9,818$7.24M0.02%+79113F-HRTimelineGroup
EFG Asset Management (North America) Co…9,744$7.19M0.93%-36513F-HRTimeline
Orion Porfolio Solutions, LLC9,624$7.1M0.06%-67013F-HRTimeline
Crossmark Global Holdings, Inc.9,027$6.66M0.1%-1,16813F-HRTimeline
HRT FINANCIAL LP8,935$6.59M0.02%+5,78813F-HRTimeline
Mirae Asset Global Investments Co., Ltd.in group Mirae Asset Global Investment…8,828$6.51M0.02%+4,21713F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP8,800$6.49M0.08%-12,00013F-HRTimelineGroup
Amundiin group Amundi8,181$6.45M<0.01%+41513F-HRTimelineGroup
QVT Financial LP8,680$6.4M0.71%-4,35013F-HRTimeline
Independent Advisor Alliance8,604$6.35M0.16%+61813F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO8,422$6.21M<0.01%+2,80913F-HR/ATimelineGroup
Nicholas Investment Partners, LP8,254$6.09M0.47%013F-HRTimeline
Quantinno Capital Management LP8,217$6.06M0.02%+3,26613F-HRTimeline
DekaBank Deutsche Girozentrale8,445$6M0.01%013F-HRTimeline
Creative Planningin group Creative Planning7,717$5.69M<0.01%+1,62413F-HRTimelineGroup
Cetera Investment Advisers7,561$5.58M0.01%+1,89713F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC7,400$5.46M0.07%-10,46913F-HR/ATimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp7,380$5.44M<0.01%+88413F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co7,251$5.35M<0.01%+1,88813F-HRTimelineGroup
Beck Bode, LLC7,174$5.29M0.85%new13F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\7,073$5.22M0.01%+1,91913F-HRTimelineGroup
NAVELLIER & ASSOCIATES INC6,620$4.88M0.5%+8113F-HRTimeline
Federation des caisses Desjardins du Qu…6,513$4.8M0.02%+49813F-HRTimeline
PFM Health Sciences, LP6,403$4.72M0.4%-83413F-HRTimeline
Maryland State Retirement & Pension Sys…6,401$4.72M0.1%+70813F-HRTimeline
ACUTA CAPITAL PARTNERS, LLC6,379$4.7M4.86%-32313F-HRTimeline
iA Global Asset Management Inc.6,010$4.43M0.06%+56013F-HRTimeline
HighTower Advisors, LLC5,948$4.39M<0.01%+37113F-HRTimeline
Ikarian Capital, LLCin group Ikarian Capital, LLC5,942$4.3M0.87%new13F-HRTimelineGroup
EAGLE GLOBAL ADVISORS LLC5,700$4.2M0.16%-20013F-HRTimeline
CITIGROUP INCin group CITIGROUP INC5,533$4.08M<0.01%+81513F-HRTimelineGroup
China Universal Asset Management Co., L…5,366$3.96M0.33%-96913F-HRTimeline
Calamos Advisors LLCin group Calamos Advisors LLC5,170$3.81M0.02%+2,53013F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP4,865$3.59M<0.01%+34913F-HRTimelineGroup
STATE STREET CORPin group STATE STREET CORP4,849$3.58M<0.01%-13113F-HRTimelineGroup
Cerity Partners LLCin group Cerity Partners LLC4,662$3.44M0.01%-10113F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCgroup of 2 filers holding4,221$3.11M+640Timeline
Lighthouse Investment Partners, LLCin group Lighthouse Investment Partner…4,200$3.1M0.11%new13F-HRTimelineGroup
MACKENZIE FINANCIAL CORP4,135$3.05M<0.01%+1,48113F-HRTimeline
HighVista Strategies LLC4,068$3M0.74%+1,65313F-HRTimeline
Varma Mutual Pension Insurance Co4,000$2.95M0.02%+1,00013F-HRTimeline
SILVERCREST ASSET MANAGEMENT GROUP LLC3,980$2.94M0.02%-4513F-HRTimeline
SECTORAL ASSET MANAGEMENT INC3,890$2.87M1.77%-19513F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.group of 2 filers holding3,851$2.84M+387Timeline
GILDER GAGNON HOWE & CO LLC3,779$2.79M0.03%-3813F-HRTimeline
AWM Investment Company, Inc.3,750$2.77M0.26%-11,25013F-HRTimeline
Trexquant Investment LP3,747$2.76M0.03%-5,26113F-HRTimeline
M&T Bank Corpin group M&T Bank Corp3,694$2.72M0.01%-61313F-HRTimelineGroup
Allianz Asset Management GmbHin group Allianz SE3,671$2.71M<0.01%+64513F-HRTimelineGroup
Capital International Investorsgroup of 3 filers holding3,561$2.63MnewTimeline
PARTNERS CAPITAL INVESTMENT GROUP, LLP3,504$2.58M0.1%013F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC3,493$2.58M0.06%+1,24213F-HRTimeline
Engineers Gate Manager LP3,462$2.55M0.03%-17,64213F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…3,416$2.52M<0.01%+35413F-HRTimelineGroup
Mariner, LLCin group Mariner, LLC3,383$2.5M<0.01%+8913F-HRTimelineGroup
Vanguard Personalized Indexing Manageme…in group VANGUARD GROUP INC3,344$2.47M0.03%+33513F-HRTimelineGroup
SWS Partners3,319$2.45M0.6%+4913F-HRTimeline
Prosight Management, LP3,300$2.43M0.58%-18,70013F-HRTimeline
Sanctuary Advisors, LLC3,247$2.39M0.01%+33813F-HR/ATimeline
Cambridge Investment Research Advisors,…3,238$2.39M0.01%+2413F-HRTimeline
O'SHAUGHNESSY ASSET MANAGEMENT, LLC3,158$2.33M0.01%+40413F-HRTimeline
Main Management ETF Advisors, LLCin group Main Management ETF Advisors,…3,100$2.29M0.08%+1,63413F-HRTimelineGroup
Campbell & CO Investment Adviser LLC2,999$2.21M0.17%-2,53613F-HRTimeline
MIRABELLA FINANCIAL SERVICES LLP2,976$2.19M0.19%+1,75913F-HR/ATimeline
Bayesian Capital Management, LP2,920$2.15M0.44%new13F-HRTimeline
CenterBook Partners LP2,823$2.08M0.1%-14,53213F-HRTimeline
QUADRANT CAPITAL GROUP LLC2,804$2.07M0.07%-113F-HRTimeline
Nan Fung Group Holdings Ltd2,800$2.07M3.46%013F-HRTimeline
Atria Investments, Inc2,758$2.03M0.02%+5013F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC2,708$2M0.01%-42313F-HRTimelineGroup
Evolutionary Tree Capital Management, L…2,600$1.92M2.09%-90413F-HRTimeline
Pathstone Holdings, LLCin group Pathstone Holdings, LLC2,417$1.78M0.01%+8013F-HRTimelineGroup
BLAIR WILLIAM & CO/IL2,383$1.76M<0.01%+7313F-HRTimeline
BOOTHBAY FUND MANAGEMENT, LLC2,321$1.71M0.04%new13F-HRTimeline
Jain Global LLC2,264$1.67M0.02%-85213F-HRTimeline
KEYBANK NATIONAL ASSOCIATION/OHin group KEYBANK NATIONAL ASSOCIATION/…2,221$1.64M0.01%+56813F-HRTimelineGroup
PARK AVENUE SECURITIES LLCin group PARK AVENUE SECURITIES LLC2,137$1.58M0.01%+20113F-HRTimelineGroup
NorthCoast Asset Management LLC2,079$1.53M0.01%+20913F-HRTimeline
NEOS Investment Management LLC2,031$1.5M0.01%-72213F-HRTimeline
Tema ETFs LLC2,031$1.5M0.12%-72213F-HRTimeline
Snowden Capital Advisors LLC1,974$1.46M0.04%+6413F-HRTimeline
Corient Private Wealth LPin group Corient Private Wealth LP1,966$1.45M<0.01%+45513F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…1,946$1.44M<0.01%+16713F-HRTimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC1,932$1.42M<0.01%+92013F-HRTimelineGroup
Sequoia Financial Advisors, LLC1,895$1.4M0.01%+6213F-HRTimeline
Sumitomo Mitsui Trust Group, Inc.in group Sumitomo Mitsui Trust Group, …1,895$1.4M<0.01%-3913F-HRTimelineGroup
Henshaw Capital LLC1,862$1.37M0.05%+49013F-HRTimeline
SIH Partners, LLLPin group SIH Partners, LLLP1,853$1.37M0.12%-9,62813F-HRTimelineGroup
SANDERS MORRIS HARRIS LLC1,830$1.35M0.18%new13F-HRTimeline