What does CUSIP 04016X101 represent in this 13F holders report?

CUSIP 04016X101 is the security identifier for ARGX - ARGENX SE - ADR used to aggregate holder disclosures.

How many institutions held ARGX - ARGENX SE - ADR in Q4 2020?

170 institutional investors reported ARGX - ARGENX SE - ADR for Q4 2020. Use the holders table for investor-level position and value details.

ARGENX SE - ADR (ARGX)

CUSIP: 04016X101

Q4 2020 13F Holders as of 31 Dec 2020

Type / Class: Equity / ADR
Shares outstanding: 60,783,333
Total 13F shares: 25,489,136
Share change: -160,247
Total reported value: $7,496,328,068
Put/Call ratio: 172%
Price per share: $294.09
Number of holders: 170
Value change: -$41,742,172
Number of buys: 78
Number of sells: 76

Security key

04016X101

Report period

Q4 2020

Institutions

170

Top holders

ARGX full security history Ownership snapshot Full 13F holder table Newer quarter: Q1 2021 Previous quarter: Q3 2020 ARGENX SE SEC filings ARGENX SE company facts

Broader feeds

Latest 13F filings Latest 13D/G filings Investors directory

Reporting periods

Holder history for CUSIP 04016X101

Newer quarter: Q1 2021 Previous quarter: Q3 2020

Recent filing periods:

Q1 2026 Q4 2025 Q3 2025 Q2 2025 Q1 2025 Q4 2024 Q3 2024 Q2 2024

Ownership snapshot

Top shareholders of ARGX - ARGENX SE - ADR (13F + 13D/G + 3/4/5)

Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.

Lead holder

PRICE T ROWE ASSOCIATES I...

13D/G signal

—

Evidence rows

Latest as of

30 Sep 2020

13F Lead comparable stake: 8.4% Showing first 8 of 50 holder rows. Open remaining rows

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
PRICE T ROWE ASSOCIATES INC /MD/	13F Company 13F	8.4%	$1,347,414,000 5,132,613 shares	—	30 Sep 2020
FMR LLC	13F Company 13F	7.7%	$1,230,078,000 4,685,655 shares	—	30 Sep 2020
Artisan Partners Limited Partnership	13F Company 13F	3.1%	$492,625,000 1,876,525 shares	—	30 Sep 2020
WELLINGTON MANAGEMENT GROUP LLP	13F Company 13F	1.7%	$278,364,000 1,060,354 shares	—	30 Sep 2020
BAKER BROS. ADVISORS LP	13F Company 13F	1.7%	$267,654,000 1,019,557 shares	—	30 Sep 2020
Redmile Group, LLC	13F Company 13F	1.6%	$259,493,000 988,468 shares	—	30 Sep 2020
Bellevue Group AG	13F Company 13F	1.6%	$251,761,000 959,016 shares	—	30 Sep 2020
Avoro Capital Advisors LLC	13F Company 13F	1.5%	$236,924,000 902,500 shares	—	30 Sep 2020

Show 42 additional holder rows in the full holder list

Holder	Evidence	Ownership %	Position	12M Net Δ	As of
Capital World Investors	13F Company 13F	1.1%	$173,693,000 661,639 shares	—	30 Sep 2020
AMERIPRISE FINANCIAL INC	13F Company 13F	0.88%	$141,166,000 537,733 shares	—	30 Sep 2020
FEDERATED HERMES, INC.	13F Company 13F	0.78%	$123,735,000 471,336 shares	—	30 Sep 2020
HHLR ADVISORS, LTD.	13F Company 13F	0.77%	$123,384,000 470,000 shares	—	30 Sep 2020
JENNISON ASSOCIATES LLC	13F Company 13F	0.7%	$112,192,000 427,365 shares	—	30 Sep 2020
AMERICAN CENTURY COMPANIES INC	13F Company 13F	0.7%	$111,293,000 423,943 shares	—	30 Sep 2020
EATON VANCE MANAGEMENT	13F Company 13F	0.67%	$107,196,000 408,331 shares	—	30 Sep 2020
BlackRock Finance, Inc.	13F Company 13F	0.62%	$99,165,000 377,747 shares	—	30 Sep 2020
Artal Group S.A.	13F Company 13F	0.53%	$85,109,000 324,200 shares	—	30 Sep 2020
Invesco Ltd.	13F Company 13F	0.5%	$79,832,000 304,097 shares	—	30 Sep 2020
BAMCO INC /NY/	13F Company 13F	0.49%	$77,639,000 295,744 shares	—	30 Sep 2020
Rock Springs Capital Management LP	13F Company 13F	0.47%	$75,475,000 287,500 shares	—	30 Sep 2020
JANUS HENDERSON GROUP PLC	13F Company 13F	0.4%	$63,784,000 242,964 shares	—	30 Sep 2020
FRANKLIN RESOURCES INC	13F Company 13F	0.37%	$58,364,000 222,318 shares	—	30 Sep 2020
LORD, ABBETT & CO. LLC	13F Company 13F	0.37%	$58,287,000 222,030 shares	—	30 Sep 2020
CREDIT SUISSE AG/	13F Company 13F	0.3%	$48,147,000 183,400 shares	—	30 Sep 2020
Boxer Capital, LLC	13F Company 13F	0.28%	$44,871,000 170,926 shares	—	30 Sep 2020
BVF INC/IL	13F Company 13F	0.28%	$44,523,000 169,600 shares	—	30 Sep 2020
EVENTIDE ASSET MANAGEMENT, LLC	13F Company 13F	0.26%	$42,003,000 160,000 shares	—	30 Sep 2020
GILDER GAGNON HOWE & CO LLC	13F Company 13F	0.23%	$35,907,000 136,779 shares	—	30 Sep 2020
NEW YORK STATE COMMON RETIREMENT FUND	13F Company 13F	0.21%	$33,132,000 126,209 shares	—	30 Sep 2020
Fiera Capital Corp	13F Company 13F	0.19%	$30,595,000 116,541 shares	—	30 Sep 2020
TD ASSET MANAGEMENT INC	13F Company 13F	0.19%	$30,020,000 114,355 shares	—	30 Sep 2020
RENAISSANCE TECHNOLOGIES LLC	13F Company 13F	0.16%	$24,913,000 94,900 shares	—	30 Sep 2020
GOLDMAN SACHS GROUP INC	13F Company 13F	0.15%	$24,349,000 92,752 shares	—	30 Sep 2020
ARMISTICE CAPITAL, LLC	13F Company 13F	0.14%	$22,314,000 85,000 shares	—	30 Sep 2020
Nicholas Investment Partners, LP	13F Company 13F	0.14%	$21,895,000 83,405 shares	—	30 Sep 2020
THRIVENT FINANCIAL FOR LUTHERANS	13F Company 13F	0.14%	$21,824,000 83,133 shares	—	30 Sep 2020
SAMLYN CAPITAL, LLC	13F Company 13F	0.13%	$21,518,000 81,965 shares	—	30 Sep 2020
AWM Investment Company, Inc.	13F Company 13F	0.13%	$21,002,000 80,000 shares	—	30 Sep 2020
MORGAN STANLEY	13F Company 13F	0.13%	$20,886,000 79,562 shares	—	30 Sep 2020
LOOMIS SAYLES & CO L P	13F Company 13F	0.12%	$19,633,000 74,789 shares	—	30 Sep 2020
PICTET ASSET MANAGEMENT LTD	13F Company 13F	0.12%	$18,956,000 71,845 shares	—	30 Sep 2020
Tekla Capital Management LLC	13F Company 13F	0.1%	$16,194,000 61,687 shares	—	30 Sep 2020
ArrowMark Colorado Holdings LLC	13F Company 13F	0.1%	$15,318,000 58,349 shares	—	30 Sep 2020
SEI INVESTMENTS CO	13F Company 13F	0.09%	$14,093,000 53,684 shares	—	30 Sep 2020
Fairmount Funds Management LLC	13F Company 13F	0.08%	$13,113,000 49,950 shares	—	30 Sep 2020
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	13F Company 13F	0.08%	$12,688,904 48,335 shares	—	30 Sep 2020
Atika Capital Management LLC	13F Company 13F	0.07%	$11,760,000 44,800 shares	—	30 Sep 2020
INDUS CAPITAL PARTNERS, LLC	13F Company 13F	0.07%	$11,695,000 44,550 shares	—	30 Sep 2020
TimesSquare Capital Management, LLC	13F Company 13F	0.07%	$11,472,000 43,700 shares	—	30 Sep 2020
AXA S.A.	13F Company 13F	0.07%	$11,441,000 43,582 shares	—	30 Sep 2020

How to read this table

Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.

13F holder rows

Institutional holders as of Q4 2020

Investor-level positions for this CUSIP, loaded as an interactive table.

Institutions

170

25,489,136

Rows loaded

170

Investor	Option	Weight %	Change %	Reported value	* Price	Shares	Share Change	Activity	Report Period

* Reported price is the security price as of the portfolio date and can indicate the last known price at which the security was still held. An asterisk next to the price means the price is likely invalid.

Compare Q4 2020 vs Q3 2020 Across Filers

Q3 2020 holders

154

Q4 2020 holders

170

Holder diff

Investor	Q3 2020 Shares	Q4 2020 Shares	Share Diff	Share Chg %	Q3 2020 value	Q4 2020 value	Value change	Value Chg %

Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).

Quarterly Holders Trend

Quarterly Value Trend

Quarterly Shares Trend