Security key
04016X101
- Security type / class
- Equity / ADR
- Total 13F shares
- 28,512,399
- Total 13F value
- $7,852,287,235
- Share change
- +3,025,454
- Put/Call ratio
- 77%
- SEC-reported price per share
- $275.39
- Number of holders
- 185
- Value change
- +$830,872,986
- Number of buys
- 111
- Number of sells
- 64
- 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
Q1 2021
Institutions
185
Top holders
10
ARGX full security history
Ownership snapshot
Full 13F holder table
Newer quarter: Q2 2021
Previous quarter: Q4 2020
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
PRICE T ROWE ASSOCIATES I...
Comparable rows
15/15
Latest evidence
31 Dec 2020
13F
Lead comparable stake: 8.1%
Showing 1-6 of 15 holder rows.
Quick read
PRICE T ROWE ASSOCIATES INC /MD/ leads the comparable SEC ownership view at 8.1%.
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/
8.1%
FMR LLC
7.8%
Artisan Partners Limited Partnership
3.8%
BAKER BROS. ADVISORS LP
1.7%
Bellevue Group AG
1.6%
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/ |
13F
Company
|
8.1%
|
$1,447,505,000
4,921,980 shares
|
— | 31 Dec 2020 |
| FMR LLC |
13F
Company
|
7.8%
|
$1,386,398,000
4,714,197 shares
|
— | 31 Dec 2020 |
| Artisan Partners Limited Partnership |
13F
Company
|
3.8%
|
$685,671,000
2,331,501 shares
|
— | 31 Dec 2020 |
| BAKER BROS. ADVISORS LP |
13F
Company
|
1.7%
|
$299,842,000
1,019,557 shares
|
— | 31 Dec 2020 |
| Bellevue Group AG |
13F
Company
|
1.6%
|
$278,018,000
945,348 shares
|
— | 31 Dec 2020 |
| Redmile Group, LLC |
13F
Company
|
1.5%
|
$270,065,000
918,307 shares
|
— | 31 Dec 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 Q1 2021
Investor-level positions for this CUSIP, loaded as an interactive table.
Institutions
185
Shares
28,512,399
Rows available
185
| 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 Q1 2021 vs Q4 2020 Across Filers
Q4 2020 holders
170
Q1 2021 holders
185
Holder diff
15
| Investor | Q4 2020 Shares | Q1 2021 Shares | Share Diff | Share Chg % | Q4 2020 value | Q1 2021 value | Value change | Value Chg % |
|---|
Trend: ostatnie 8 kwartałów (+ wybrane okresy porównania).
Quarterly Holders Trend
Quarterly Value Trend
Quarterly Shares Trend