ARGENX SE - ADR (ARGX)

Historical Holders from Q2 2017 to Q4 2025

Type / Class: Equity / ADR
Symbol: ARGX on Nasdaq
Shares outstanding: 60,783,333
Price per share: $840.95
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares as of 30 Sep 2025: 30,516,984
Total reported value: $22,512,907,762
% of total 13F portfolios: 0.02%
Share change: -1,664,733
Value change: -$1,074,596,667
Avg buy value change: +0%
Avg sell value change: -0%
Number of holders: 460

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of ARGENX SE - ADR (ARGX) based on Schedule 13D/G filings

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
PRICE T ROWE ASSOCIATES INC /MD/	6%	-28%	$2,689,881,320	-$985,796,144	3,647,000	-27%	T. Rowe Price Associates, Inc.	30 Sep 2025
Artisan Partners Limited Partnership	3.8%		$1,316,438,506		2,349,776		Artisan Partners Asset Management Inc.	30 Jun 2025

As of 30 Sep 2025, ARGENX SE - ADR (ARGX) has 460 institutional shareholders filing 13F forms. They hold 30,516,984 shares. of 60,783,333 outstanding shares (50%) .

Top 25 institutional shareholders own 40% of the company.

Filer	Ownership	Nb Shares	Share Change %	Portfolio %	Holdings Value
FMR LLC	9.4%	5,692,346	+5%	0.22%	$4,198,446,996
PRICE T ROWE ASSOCIATES INC /MD/	6%	3,640,409	-27%	0.29%	$2,685,021,000
JANUS HENDERSON GROUP PLC	4.2%	2,575,251	+0.38%	0.87%	$1,899,561,515
Artisan Partners Limited Partnership	3.6%	2,186,510	-6.9%	2.3%	$1,612,682,316
Capital World Investors	3.2%	1,959,504	+0.43%	0.2%	$1,445,113,283
Avoro Capital Advisors LLC	1.6%	990,000	-16%	9.4%	$730,184,400
Clearbridge Investments, LLC	1.2%	756,862	-2.1%	0.42%	$558,231,439
WELLINGTON MANAGEMENT GROUP LLP	1.2%	729,986	+80%	0.09%	$538,408,475
CITADEL ADVISORS LLC	1.2%	713,559	-18%	0.42%	$526,292,576
RTW INVESTMENTS, LP	1.1%	673,497	0%	6.1%	$496,744,447
Bellevue Group AG	0.9%	546,328	-4.3%	8.4%	$402,949,679
BlackRock, Inc.	0.86%	523,801	-4.8%	0.01%	$386,334,951
MORGAN STANLEY	0.72%	435,105	+1.4%	0.02%	$320,916,885
MILLENNIUM MANAGEMENT LLC	0.57%	347,518	-19%	0.2%	$256,315,376
BANK OF AMERICA CORP /DE/	0.56%	342,379	+1.9%	0.02%	$252,525,055
SEI INVESTMENTS CO	0.51%	312,268	-1.3%	0.25%	$230,317,992
TWO SIGMA INVESTMENTS, LP	0.48%	294,160	+570%	0.33%	$216,960,650
FRANKLIN RESOURCES INC	0.42%	258,274	-7.7%	0.05%	$190,492,211
JENNISON ASSOCIATES LLC	0.4%	240,228	-9.2%	0.1%	$177,182,363
AMERICAN CENTURY COMPANIES INC	0.38%	229,770	+12%	0.09%	$169,473,864
Allspring Global Investments Holdings, LLC	0.35%	211,330	+14%	0.26%	$162,159,849
LORD, ABBETT & CO. LLC	0.32%	196,877	+95%	0.43%	$145,209,000
GOLDMAN SACHS GROUP INC	0.32%	193,113	+36%	0.02%	$142,432,451
Fiera Capital Corp	0.29%	177,654	+12%	0.42%	$131,030,485
ALKEON CAPITAL MANAGEMENT LLC	0.29%	175,000	+133%	0.58%	$129,073,000

Institutional Holders of ARGENX SE - ADR (ARGX) across Reporting Periods

Period	Reported Shares, Excl. Options	Value, Excl. Options	Value Change	Puts Notional Value	Calls Notional Value	Price (% of par)	Investors
2025 Q4	36,886	$30,998,501	+$21,627,640			84,095%	19
2025 Q3	30,516,984	$22,512,907,762	-$1,074,596,667	$234,249,056	$429,112,408	73,756%	460
2025 Q2	32,113,379	$17,700,251,639	-$650,880,957	$114,984,492	$199,651,884	55,122%	432
2025 Q1	33,350,566	$19,728,647,418	-$538,199,538	$167,912,367	$190,640,083	59,186.5%	440
2024 Q4	34,127,043	$20,989,465,522	-$514,339,139	$165,865,500	$234,868,500	61,500%	392
2024 Q3	35,023,889	$18,983,773,082	+$318,558,493	$265,293,952	$193,305,656	54,208%	353
2024 Q2	34,272,091	$14,739,068,000	+$209,398,089	$184,487,160	$121,916,260	43,004%	333
2024 Q1	33,972,829	$13,375,733,075	+$491,825,471	$82,484,340	$82,996,176	39,372%	323
2023 Q4	32,743,580	$12,457,326,565	-$54,572,297	$170,096,359	$265,273,603	38,043%	344
2023 Q3	32,304,467	$15,882,569,669	+$743,873,334	$96,457,806	$289,225,929	49,163%	339
2023 Q2	30,837,175	$12,017,706,842	-$124,589,442	$304,379,130	$197,242,353	38,973%	284
2023 Q1	31,161,539	$11,606,411,682	+$212,961,249	$124,628,010	$118,741,246	37,258%	268
2022 Q4	30,636,859	$11,606,887,640	-$327,489,209	$53,036,666	$60,499,066	37,883%	269
2022 Q3	31,719,850	$11,203,694,460	-$1,130,342,709	$29,895,000	$26,091,000	35,305%	247
2022 Q2	32,849,679	$12,441,524,780	+$297,990,141	$29,364,000	$37,179,730	37,887.99%	226
2022 Q1	32,214,227	$10,157,335,912	+$1,037,726,968	$20,495,000	$36,134,000	31,531%	196
2021 Q4	28,919,142	$10,126,721,772	+$177,117,824	$18,665,000	$34,353,000	35,018.96%	203
2021 Q3	28,383,120	$8,571,126,445	-$97,752,555	$23,315,000	$47,414,000	30,200%	178
2021 Q2	28,455,441	$8,567,827,463	+$1,980,236	$24,626,000	$46,604,000	30,107%	173
2021 Q1	28,512,399	$7,852,287,235	+$830,872,986	$34,587,000	$44,915,000	27,539%	185
2020 Q4	25,489,136	$7,496,328,068	-$41,742,172	$92,170,000	$53,610,000	29,409%	170
2020 Q3	25,619,531	$6,725,637,706	-$279,942,268	$43,320,000	$61,169,000	26,251.84%	154
2020 Q2	26,726,537	$6,038,628,842	+$787,556,149	$68,155,000	$72,180,000	22,523%	162
2020 Q1	23,348,647	$3,076,234,326	-$61,977,095	$32,222,000	$49,229,000	13,173.12%	139
2019 Q4	23,704,346	$3,805,799,945	+$211,376,338	$8,347,000	$14,671,000	16,052%	146
2019 Q3	22,370,016	$2,548,680,181	-$6,180,324	$8,410,000	$10,963,000	11,396%	129
2019 Q2	22,382,688	$3,168,153,526	+$202,152,598	$14,809,000	$5,946,000	14,157.95%	132
2019 Q1	21,861,856	$2,728,838,981	+$198,069,924	$3,670,000	$1,161,000	12,483.95%	129
2018 Q4	20,499,548	$1,969,933,884	+$12,993,447	$1,422,000	$1,134,000	9,607%	108
2018 Q3	20,684,670	$1,568,631,975	+$198,929,711	$1,487,000	$7,410,000	7,584%	105
2018 Q2	18,031,387	$1,494,404,458	+$85,594,520			8,285.99%	82
2018 Q1	16,999,982	$1,367,312,465	+$220,516,340			8,044%	83
2017 Q4	14,513,752	$916,370,452	+$485,289,724			6,314%	64
2017 Q3	6,945,598	$155,726,000	+$18,796,428			2,260.5%	31
2017 Q2	6,115,317	$129,239,000	+$129,239,000			2,121%	31