FMR LLC

Position in ARGX — Argenx SE

CIK 315066 BOSTON, MA

Back to ARGX Full portfolio

Position in ARGX

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$3,644,702,577

-$1,058,158,084 QoQ

Shares Held

4,991,034

-10.8% QoQ

Ownership

8.03%

of shares outstanding

% of Portfolio

0.21%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 97.198476307715.ToString("F0")% Shared 0.ToString("F0")% None 2.8015236922850058.ToString("F0")%

Common Shares in ARGX Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

FMR LLC holds $49,674,888,413 across 352 Biotechnology names. ARGX ranks #2 (7.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ALNY	Alnylam Pharmaceuticals, Inc.	14,579,166	$4,823,808,652
2	ARGX	Argenx SE This page	4,991,034	$3,644,702,577
3	MRNA	Moderna, Inc.	45,672,024	$2,320,138,818
4	ROIV	Roivant Sciences Ltd.	77,981,253	$2,160,080,705
5	INSM	INSMED Inc	13,160,167	$2,151,950,504
6	IONS	Ionis Pharmaceuticals Inc	24,556,637	$1,843,957,869
7	RPRX	Royalty Pharma plc	25,152,242	$1,206,553,046
8	REGN	Regeneron Pharmaceuticals, Inc.	1,518,192	$1,173,015,865

All Filings in ARGX

Export CSV

25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$3,644,702,577	4,991,034	-10.8%	Shares	Defined	2026-05-15
2025-12-31	$4,702,860,661	5,592,319	-1.8%	Shares	Defined	2026-02-17
2025-09-30	$4,198,446,714	5,692,346	+5.0%	Shares	Defined	2025-11-13
2025-06-30	$2,989,546,078	5,423,508	-4.2%	Shares	Defined	2025-08-14
2025-03-31	$3,351,854,010	5,663,207	+0.8%	Shares	Defined	2025-05-12
2024-12-31	$3,455,206,530	5,618,222	+17.2%	Shares	Defined	2025-02-13
2024-09-30	$2,598,445,300	4,793,472	+35.9%	Shares	Defined	2024-11-13
2024-06-30	$1,517,175,097	3,527,986	+7.9%	Shares	Defined	2024-08-13
2024-03-31	$1,287,473,059	3,270,022	-14.2%	Shares	Defined	2024-05-13
2023-12-31	$1,450,340,677	3,812,372	-23.2%	Shares	Defined	2024-02-13
2023-09-30	$2,440,929,672	4,964,973	-1.8%	Shares	Defined	2023-11-13
2023-06-30	$1,970,374,717	5,055,743	-3.4%	Shares	Defined	2023-08-11
2023-03-31	$1,949,896,682	5,233,498	+0.5%	Shares	Defined	2023-08-11
2022-12-31	$1,973,389,489	5,209,169	+0.5%	Shares	Defined	2023-02-13
2022-09-30	$1,830,822,680	5,185,732	+4.2%	Shares	Defined	2022-11-10
2022-06-30	$1,884,679,072	4,974,343	+6.3%	Shares	Defined	2022-08-12
2022-03-31	$1,475,687,058	4,680,115	+2.0%	Shares	Defined	2022-05-13
2021-12-31	$1,606,111,063	4,586,399	+2.8%	Shares	Defined	2022-02-14
2021-09-30	$1,347,044,726	4,460,413	-4.3%	Shares	Defined	2022-02-14
2021-06-30	$1,403,336,041	4,661,162	-0.3%	Shares	Defined	2021-08-13
2021-03-31	$1,287,092,995	4,673,710	-0.9%	Shares	Defined	2021-05-14
2020-12-31	$1,386,398,194	4,714,197	+0.6%	Shares	Defined	2021-02-08
2020-09-30	$1,230,078,149	4,685,655	+0.2%	Shares	Defined	2020-11-13
2020-06-30	$1,053,593,281	4,677,855	+10.0%	Shares	Defined	2020-08-24
2020-03-31	$560,037,842	4,251,407	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.