Security key
04016X101
- Security type / class
- Equity / ADR
- Total 13F shares
- 29,739,977
- Total 13F value
- $24,999,869,126
- Share change
- -808,319
- Put/Call ratio
- 49%
- SEC-reported price per share
- $840.95
- Number of holders
- 508
- Value change
- -$642,174,773
- Number of buys
- 247
- Number of sells
- 218
- Shares outstanding
- 60,783,333
Holder snapshot
7 signals
Open additional details 1 more signal available
Security identity
Names, identifiers, and filing context for this profile.
1 source field
Report period
Q4 2025
Institutions
508
Top holders
10
ARGX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q1 2026
Previous quarter: Q3 2025
ARGENX SE SEC filings
ARGENX SE company facts
Broader feeds
Reporting periods
Holder history for CUSIP 04016X101
Recent filing periods:
Ownership snapshot
Top reported holders 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.
Comparable stake leader
PRICE T ROWE ASSOCIATES I...
Disclosed value leader
FMR LLC
Comparable rows
15/15
Latest evidence
30 Sep 2025
13D/G
13F
Lead comparable stake: 6%
13D/G row: PRICE T ROWE ASSOCIATES INC /MD/
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 6%.
15 of 15 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens PRICE T ROWE ASSOCIATES INC /MD/'s linked filing trail.
Comparable ownership
Top 5
PRICE T ROWE ASSOCIATES INC /MD/
6%
Artisan Partners Limited Partnership
3.8%
FMR LLC
9.4%
JANUS HENDERSON GROUP PLC
4.2%
Capital World Investors
3.2%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-6 of 15 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| PRICE T ROWE ASSOCIATES INC /MD/ |
13D/G
13F
T. Rowe Price Associates, Inc. · Company
|
6%
|
$2,689,881,320
3,647,000 shares
|
-$985,796,144 | 30 Sep 2025 |
| Artisan Partners Limited Partnership |
13F
13D/G
Company · Artisan Partners Asset Management Inc.
|
3.8%
from 13D/G
|
$1,612,682,316
2,186,510 shares
|
— | 30 Sep 2025 |
| FMR LLC |
13F
Company
|
9.4%
|
$4,198,446,996
5,692,346 shares
|
— | 30 Sep 2025 |
| JANUS HENDERSON GROUP PLC |
13F
Company
|
4.2%
|
$1,899,561,515
2,575,251 shares
|
— | 30 Sep 2025 |
| Capital World Investors |
13F
Company
|
3.2%
|
$1,445,113,283
1,959,504 shares
|
— | 30 Sep 2025 |
| Avoro Capital Advisors LLC |
13F
Company
|
1.6%
|
$730,184,400
990,000 shares
|
— | 30 Sep 2025 |
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 2025
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
508
Shares
29,739,977
Rows available
508
| Investor | Option | Weight % | Change % | SEC-reported value | * Price | Shares | Share Change | Activity | Report Period |
|---|
* SEC-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. The marker flags a reported price that did not pass the local price check.
Compare Q4 2025 vs Q3 2025 Across Filers
Q3 2025 holders
463
Q4 2025 holders
508
Holder diff
45
| Investor | Q3 2025 Shares | Q4 2025 Shares | Share Diff | Share Chg % | Q3 2025 value | Q4 2025 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend