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Equibles

ARGX

Argenx SE

Company with tickers: ARGX

CIK
1697862
CUSIP
04016X101
Shares Outstanding
62,187,771
13F Activity (30d)
276 filings 264 filers

Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.

Holders: 477
Total Value: $21,375,114,633
Total Shares: 29,270,955
Showing 1–100 of 495 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Superinvestors Holding ARGX

All superinvestors →
Ray Dalio $886,523

Holder Concentration

Across 477 13F filers · Δ vs Dec 31, 2025
Top Holder
17.1%
Jun 2023 → Mar 2026 · range 8.7% – 18.5%
−1.4 pts
Top 5
50.0%
Jun 2023 → Mar 2026 · range 28.7% – 51.1%
+0.2 pts
Top 10
64.1%
Jun 2023 → Mar 2026 · range 41.2% – 64.4%
+2.4 pts
HHI
648
Jun 2023 → Mar 2026 · range 272 – 674
Broadly held−10

Quarterly Activity

vs Dec 31, 2025
New
63
Increased
175
Decreased
175
Sold Out
96
Unchanged
64
Holder count: -33
Institutional value: -16.1%
Shares held: -3.4%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds Open
Mega WELLINGTON MANAGEMENT GROUP LLP +342,221 1,021,457
Mega Capital World Investors +339,982 2,256,216
Mega Invesco Ltd. +178,289 594,697
Mega BNP PARIBAS ARBITRAGE, SA +107,092 177,836
Mega JANUS HENDERSON GROUP PLC +83,568 2,541,732

Top Sellers

vs Dec 31, 2025
Institution Sold Now Holds Open
Mega FMR LLC −601,285 4,991,034
Large Artisan Partners Limited Partnership −288,960 1,467,982
Mega Clearbridge Investments, LLC −282,408 231,356
Large VOYA INVESTMENT MANAGEMENT LLC −163,553 5,545
Mega TWO SIGMA INVESTMENTS, LP −149,435 109,121

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD) Open
Large ADAGE CAPITAL PARTNERS GP, L.L.C. 90,000 $65,722,500
Small Jones Hill Capital LP 25,995 $18,982,848
Mega HSBC HOLDINGS PLC 20,379 $14,881,764
Mid MIROVA 19,833 $14,483,048
Mid CenterBook Partners LP 13,934 $10,175,303

Top Sold-Out Positions

vs Dec 31, 2025
Institution Previously Held Last Value (USD) Open
Large TWO SIGMA ADVISERS, LP 135,500 $113,948,725
Large ACADIAN ASSET MANAGEMENT LLC 117,887 $99,137,072
Mid SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 82,620 $69,479,289
Mid ARMISTICE CAPITAL, LLC 58,000 $48,775,100
Large Woodline Partners LP 45,426 $38,200,994
Filter: New 63 Increased 175 Reduced 175 Sold out 96 Unchanged 64
Showing 100 of 495
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Open
Mega FMR LLC $3,644,702,577 17.05% 4,991,034
Mega PRICE T ROWE ASSOCIATES INC /MD/ $2,464,560,888 11.53% 3,374,955
Mega JANUS HENDERSON GROUP PLC $1,856,099,791 8.68% 2,541,732
Mega Capital World Investors $1,647,601,734 7.71% 2,256,216
Large Artisan Partners Limited Partnership $1,071,993,855 5.02% 1,467,982
Mega WELLINGTON MANAGEMENT GROUP LLP $745,918,971 3.49% 1,021,457
Large Avoro Capital Advisors LLC $730,250,000 3.42% 1,000,000
Mega BlackRock, Inc. $590,288,089 2.76% 808,337
Large RTW INVESTMENTS, LP $518,072,941 2.42% 709,446
Mega Invesco Ltd. $434,277,482 2.03% 594,697
Mega MORGAN STANLEY $409,459,203 1.92% 560,711
Mega ALLIANCEBERNSTEIN L.P. $308,387,496 1.44% 422,304
Mega BANK OF AMERICA CORP /DE/ Bank $292,185,437 1.37% 400,117
Large SANDS CAPITAL MANAGEMENT, LLC $248,493,121 1.16% 340,285
Mid Bellevue Group AG $228,568,250 1.07% 313,000
Large SEI INVESTMENTS CO $209,556,920 0.98% 286,966
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $194,295,426 0.91% 266,067
Mega JENNISON ASSOCIATES LLC $173,411,007 0.81% 237,468
Mega FRANKLIN RESOURCES INC $170,508,261 0.80% 233,493
Mega GOLDMAN SACHS GROUP INC $169,407,044 0.79% 231,985
Mega Clearbridge Investments, LLC $168,947,719 0.79% 231,356
Mega CITADEL ADVISORS LLC $160,016,761 0.75% 219,126
Large Fiera Capital Corp $158,608,839 0.74% 217,198
Mega AMERIPRISE FINANCIAL INC $157,668,275 0.74% 215,910
Mega BNP PARIBAS ARBITRAGE, SA $129,864,739 0.61% 177,836
Large Allspring Global Investments Holdings, LLC $128,020,857 0.60% 175,311
Mega AMERICAN CENTURY COMPANIES INC $126,844,425 0.59% 173,700
Small Checkpoint Capital L.P. $111,728,250 0.52% 153,000
Large LORD, ABBETT & CO. LLC $111,058,610 0.52% 152,083
Mega Legal & General Group Plc $110,158,211 0.52% 150,850
Large Pictet Asset Management Holding SA $108,300,456 0.51% 148,306
Mega DEUTSCHE BANK AG\ Bank $101,782,972 0.48% 139,381
Large BAMCO INC /NY/ $101,247,702 0.47% 138,648
Mid ORBIMED ADVISORS LLC $99,971,225 0.47% 136,900
Large LAZARD ASSET MANAGEMENT LLC $97,376,646 0.46% 133,347
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $96,758,125 0.45% 132,500
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $94,309,595 0.44% 129,147
Mid EVENTIDE ASSET MANAGEMENT, LLC $91,761,024 0.43% 125,657
Large AGF MANAGEMENT LTD $91,331,637 0.43% 125,069
Mega TWO SIGMA INVESTMENTS, LP $79,685,610 0.37% 109,121
Mega FIRST TRUST ADVISORS LP $78,279,148 0.37% 107,195
Large PINEBRIDGE INVESTMENTS LLC $75,808,713 0.35% 103,812
Mid Rock Springs Capital Management LP $71,929,625 0.34% 98,500
Large FEDERATED HERMES, INC. $69,558,503 0.33% 95,253
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $67,475,100 0.32% 92,400
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $65,722,500 0.31% 90,000
Mega BANK OF MONTREAL /CAN/ Bank $62,314,421 0.29% 85,333
Mid BRAIDWELL LP $62,026,704 0.29% 84,939
Large 1832 Asset Management L.P. $61,487,050 0.29% 84,200
Mid TimesSquare Capital Management, LLC $60,696,189 0.28% 83,117
Large Aberdeen Group plc $59,957,906 0.28% 82,106
Mega TD Asset Management Inc $59,021,726 0.28% 80,824
Small Eagle Health Investments LP $55,744,364 0.26% 76,336
Mega D. E. Shaw & Co., Inc. $55,572,025 0.26% 76,100
Large Public Sector Pension Investment Board Pension $53,527,325 0.25% 73,300
Mega MILLENNIUM MANAGEMENT LLC $52,844,541 0.25% 72,365
Large Ensign Peak Advisors, Inc $52,284,439 0.24% 71,598
Mid PGGM Investments $52,223,098 0.24% 71,514
Mega Nuveen, LLC $48,372,490 0.23% 66,241
Large BESSEMER GROUP INC $46,919,290 0.22% 64,251
Mega Amundi $44,861,448 0.21% 61,433
Mega ENVESTNET ASSET MANAGEMENT INC $44,850,494 0.21% 61,418
Large Life Cycle Investment Partners Ltd $42,987,626 0.20% 58,867
Mega NORTHERN TRUST CORP Bank $42,870,056 0.20% 58,706
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $42,627,613 0.20% 58,374
Large Handelsbanken Fonder AB $40,109,711 0.19% 54,926
Large Candriam S.C.A. $39,541,577 0.18% 54,148
Mega D. E. Shaw & Co., Inc. $38,062,090 0.18% 52,122
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $36,023,232 0.17% 49,330
Large NOMURA ASSET MANAGEMENT CO LTD $36,005,704 0.17% 49,306
Mega CITADEL ADVISORS LLC $30,378,400 0.14% 41,600
Mega VAN ECK ASSOCIATES CORP $29,499,909 0.14% 40,397
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $28,798,869 0.13% 39,437
Mega DIMENSIONAL FUND ADVISORS LP $28,329,318 0.13% 38,794
Mega JANE STREET GROUP, LLC $28,069,349 0.13% 38,438
Mega WELLS FARGO & COMPANY/MN $27,825,444 0.13% 38,104
Mega RAYMOND JAMES FINANCIAL INC $26,874,659 0.13% 36,802
Small Patient Square Capital LP $26,813,319 0.13% 36,718
Small Davern Capital Partners, LP $25,591,611 0.12% 35,045
Mega ROYAL BANK OF CANADA Bank $24,037,637 0.11% 32,917
Mega VICTORY CAPITAL MANAGEMENT INC $23,554,213 0.11% 32,255
Mega UBS Group AG $23,110,220 0.11% 31,647
Small Tri Locum Partners LP $23,101,458 0.11% 31,635
Large Jefferies Financial Group Inc. $21,911,151 0.10% 30,005
Large Hudson Bay Capital Management LP $21,907,500 0.10% 30,000
Small Artia Global Partners LP $21,716,904 0.10% 29,739
Mega CITADEL ADVISORS LLC $21,542,375 0.10% 29,500
Mid Perpetual Ltd $20,709,159 0.10% 28,359
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $20,086,256 0.09% 27,506
Small Jones Hill Capital LP $18,982,848 0.09% 25,995
Large Qube Research & Technologies Ltd $18,647,664 0.09% 25,536
Large BAKER BROS. ADVISORS LP $18,383,313 0.09% 25,174
Mid ODDO BHF ASSET MANAGEMENT SAS $18,262,822 0.09% 25,009
Mega GEODE CAPITAL MANAGEMENT, LLC $17,211,262 0.08% 23,569
Large LMR Partners LLP $17,152,112 0.08% 23,488
Mega LPL Financial LLC $16,976,121 0.08% 23,247
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $16,540,892 0.08% 22,651
Large BLAIR WILLIAM & CO/IL $16,362,711 0.08% 22,407
Large Caption Management, LLC $16,065,500 0.08% 22,000
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $15,352,045 0.07% 21,023

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