Equibles

ARGX

Argenx SE

Company with tickers: ARGX

CIK
1697862
CUSIP
04016X101
Shares Outstanding
62,187,771
13F Activity (30d)
399 filings 396 filers
Price
$806.96
Market Cap
$50.40B
52W High
$934.62
52W Low
$510.06
Price History Institutional Holders Short Volume Short Interest Fails to Deliver Financials SEC Filings Earnings Calls Insider Trades Congressional Trades
Holders: 472
Total Value: $20,834,372,559
Total Shares: 28,530,466
Showing 1–100 of 490 holdings by value · page 1 of 5

Institutional Ownership Trend

25 quarters

Holder Concentration

Across 472 13F filers · Δ vs Dec 31, 2025
Top Holder
17.5%
Jun 2023 → Mar 2026 · range 11.5% – 19.5%
−0.9 pts
Top 5
51.3%
Jun 2023 → Mar 2026 · range 43.4% – 54.4%
+1.7 pts
Top 10
65.8%
Jun 2023 → Mar 2026 · range 58.3% – 66.9%
+4.4 pts
HHI
678
Jun 2023 → Mar 2026 · range 488 – 763
Broadly held +26

Quarterly Activity

vs Dec 31, 2025
New
62
Increased
166
Decreased
182
Sold Out
112
Unchanged
62
Holder count: -50
Institutional value: -18.6%
Shares held: -6.3%

Top Buyers

vs Dec 31, 2025
Institution Added Now Holds
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
Mega FMR LLC −601,285 4,991,034
Mega MORGAN STANLEY −502,461 16,391
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

Top New Positions

vs Dec 31, 2025
Institution Acquired Value (USD)
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)
Large TWO SIGMA ADVISERS, LP 135,500 $113,948,725
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
Filter: New 62 Increased 166 Reduced 182 Sold out 112 Unchanged 62
100 of 100 shown
All Common Calls Puts
Export CSV
Holder Value (USD) % of 13F Shares Action
Mega FMR LLC $3,644,702,577 17.49% 4,991,034 View
Mega PRICE T ROWE ASSOCIATES INC /MD/ $2,464,560,888 11.83% 3,374,955 View
Mega JANUS HENDERSON GROUP PLC $1,856,099,791 8.91% 2,541,732 View
Mega Capital World Investors $1,647,601,734 7.91% 2,256,216 View
Large Artisan Partners Limited Partnership $1,071,993,855 5.15% 1,467,982 View
Mega WELLINGTON MANAGEMENT GROUP LLP $745,918,971 3.58% 1,021,457 View
Large Avoro Capital Advisors LLC $730,250,000 3.51% 1,000,000 View
Mega BlackRock, Inc. $590,288,089 2.83% 808,337 View
Large RTW INVESTMENTS, LP $518,072,941 2.49% 709,446 View
Mega Invesco Ltd. $434,277,482 2.08% 594,697 View
Mega ALLIANCEBERNSTEIN L.P. $308,387,496 1.48% 422,304 View
Mega BANK OF AMERICA CORP /DE/ Bank $292,185,437 1.40% 400,117 View
Large SANDS CAPITAL MANAGEMENT, LLC $248,493,121 1.19% 340,285 View
Mid Bellevue Group AG $228,568,250 1.10% 313,000 View
Large SEI INVESTMENTS CO $209,556,920 1.01% 286,966 View
Large WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC $194,295,426 0.93% 266,067 View
Mega JENNISON ASSOCIATES LLC $173,411,007 0.83% 237,468 View
Mega FRANKLIN RESOURCES INC $170,508,261 0.82% 233,493 View
Mega GOLDMAN SACHS GROUP INC $169,407,044 0.81% 231,985 View
Mega Clearbridge Investments, LLC $168,947,719 0.81% 231,356 View
Mega CITADEL ADVISORS LLC $160,016,761 0.77% 219,126 View
Large Fiera Capital Corp $158,608,839 0.76% 217,198 View
Mega AMERIPRISE FINANCIAL INC $157,668,275 0.76% 215,910 View
Mega BNP PARIBAS ARBITRAGE, SA $129,864,739 0.62% 177,836 View
Large Allspring Global Investments Holdings, LLC $128,020,857 0.61% 175,311 View
Mega AMERICAN CENTURY COMPANIES INC $126,844,425 0.61% 173,700 View
Small Checkpoint Capital L.P. $111,728,250 0.54% 153,000 View
Large LORD, ABBETT & CO. LLC $111,058,610 0.53% 152,083 View
Mega Legal & General Group Plc $110,158,211 0.53% 150,850 View
Large Pictet Asset Management Holding SA $108,300,456 0.52% 148,306 View
Mega DEUTSCHE BANK AG\ Bank $101,782,972 0.49% 139,381 View
Large BAMCO INC /NY/ $101,247,702 0.49% 138,648 View
Mid ORBIMED ADVISORS LLC $99,971,225 0.48% 136,900 View
Large LAZARD ASSET MANAGEMENT LLC $97,376,646 0.47% 133,347 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $96,758,125 0.46% 132,500 View
Mid EVENTIDE ASSET MANAGEMENT, LLC $91,761,024 0.44% 125,657 View
Large AGF MANAGEMENT LTD $91,331,637 0.44% 125,069 View
Mega TWO SIGMA INVESTMENTS, LP $79,685,610 0.38% 109,121 View
Mega FIRST TRUST ADVISORS LP $78,279,148 0.38% 107,195 View
Large PINEBRIDGE INVESTMENTS LLC $75,808,713 0.36% 103,812 View
Mid Rock Springs Capital Management LP $71,929,625 0.35% 98,500 View
Large FEDERATED HERMES, INC. $69,558,503 0.33% 95,253 View
Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP $67,475,100 0.32% 92,400 View
Large ADAGE CAPITAL PARTNERS GP, L.L.C. $65,722,500 0.32% 90,000 View
Mega BANK OF MONTREAL /CAN/ Bank $62,314,421 0.30% 85,333 View
Mid BRAIDWELL LP $62,026,704 0.30% 84,939 View
Large 1832 Asset Management L.P. $61,487,050 0.30% 84,200 View
Mid TimesSquare Capital Management, LLC $60,696,189 0.29% 83,117 View
Large Aberdeen Group plc $59,957,906 0.29% 82,106 View
Mega TD Asset Management Inc $59,021,726 0.28% 80,824 View
Small Eagle Health Investments LP $55,744,364 0.27% 76,336 View
Mega D. E. Shaw & Co., Inc. $55,572,025 0.27% 76,100 View
Large Public Sector Pension Investment Board Pension $53,527,325 0.26% 73,300 View
Mega MILLENNIUM MANAGEMENT LLC $52,844,541 0.25% 72,365 View
Large Ensign Peak Advisors, Inc $52,284,439 0.25% 71,598 View
Mid PGGM Investments $52,223,098 0.25% 71,514 View
Mega Nuveen, LLC $48,372,490 0.23% 66,241 View
Large BESSEMER GROUP INC $46,919,290 0.23% 64,251 View
Mega Amundi $44,861,448 0.22% 61,433 View
Mega ENVESTNET ASSET MANAGEMENT INC $44,850,494 0.22% 61,418 View
Large Life Cycle Investment Partners Ltd $42,987,626 0.21% 58,867 View
Large NOMURA ASSET MANAGEMENT INTERNATIONAL INC. $42,627,613 0.20% 58,374 View
Large Handelsbanken Fonder AB $40,109,711 0.19% 54,926 View
Large Candriam S.C.A. $39,541,577 0.19% 54,148 View
Mega D. E. Shaw & Co., Inc. $38,062,090 0.18% 52,122 View
Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE Insurance $36,023,232 0.17% 49,330 View
Large NOMURA ASSET MANAGEMENT CO LTD $36,005,704 0.17% 49,306 View
Mega CITADEL ADVISORS LLC $30,378,400 0.15% 41,600 View
Mega VAN ECK ASSOCIATES CORP $29,499,909 0.14% 40,397 View
Large NEW YORK STATE COMMON RETIREMENT FUND Pension $28,798,869 0.14% 39,437 View
Mega DIMENSIONAL FUND ADVISORS LP $28,329,318 0.14% 38,794 View
Mega JANE STREET GROUP, LLC $28,069,349 0.13% 38,438 View
Mega WELLS FARGO & COMPANY/MN $27,825,444 0.13% 38,104 View
Mega RAYMOND JAMES FINANCIAL INC $26,874,659 0.13% 36,802 View
Small Patient Square Capital LP $26,813,319 0.13% 36,718 View
Small Davern Capital Partners, LP $25,591,611 0.12% 35,045 View
Mega ROYAL BANK OF CANADA Bank $24,037,637 0.12% 32,917 View
Mega VICTORY CAPITAL MANAGEMENT INC $23,554,213 0.11% 32,255 View
Mega UBS Group AG $23,110,220 0.11% 31,647 View
Small Tri Locum Partners LP $23,101,458 0.11% 31,635 View
Large Jefferies Financial Group Inc. $21,911,151 0.11% 30,005 View
Large Hudson Bay Capital Management LP $21,907,500 0.11% 30,000 View
Small Artia Global Partners LP $21,716,904 0.10% 29,739 View
Mega CITADEL ADVISORS LLC $21,542,375 0.10% 29,500 View
Mid Perpetual Ltd $20,709,159 0.10% 28,359 View
Mega UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC $20,086,256 0.10% 27,506 View
Large BNP PARIBAS ASSET MANAGEMENT Holding S.A. $19,735,005 0.09% 27,025 View
Small Jones Hill Capital LP $18,982,848 0.09% 25,995 View
Large Qube Research & Technologies Ltd $18,647,664 0.09% 25,536 View
Large BAKER BROS. ADVISORS LP $18,383,313 0.09% 25,174 View
Mid ODDO BHF ASSET MANAGEMENT SAS $18,262,822 0.09% 25,009 View
Mega GEODE CAPITAL MANAGEMENT, LLC $17,211,262 0.08% 23,569 View
Large LMR Partners LLP $17,152,112 0.08% 23,488 View
Mega LPL Financial LLC $16,976,121 0.08% 23,247 View
Large VOLORIDGE INVESTMENT MANAGEMENT, LLC $16,540,892 0.08% 22,651 View
Large BLAIR WILLIAM & CO/IL $16,362,711 0.08% 22,407 View
Large Caption Management, LLC $16,065,500 0.08% 22,000 View
Mega SCHRODER INVESTMENT MANAGEMENT GROUP $15,352,045 0.07% 21,023 View
Large NATIXIS ADVISORS, LLC $14,882,495 0.07% 20,380 View
Mega HSBC HOLDINGS PLC $14,881,764 0.07% 20,379 View
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