argenx SE
ARGX · NYSE
$873.71−$2.06 (−0.23%)TodayMarket closed ·
Prev close $875.76
Who owns ARGX
Largest institutional holders, from their latest 13F filings
The 10 largest institutions hold 30.7% of ARGX’s shares.
- Fidelity Management & Research Company LLC9.8%
- BlackRock Institutional Trust Company, N.A.5.2%
- Vanguard Capital Management, LLC3.0%
- Wellington Management Company, LLP2.9%
- Next 6 largest institutions9.8%
- All other shareholders69.3%
| Holder | Shares | % of shares |
|---|---|---|
| Fidelity Management & Research Company LLC | 6.15M | 9.78% |
| BlackRock Institutional Trust Company, N.A. | 3.25M | 5.17% |
| Vanguard Capital Management, LLC | 1.88M | 2.99% |
| Wellington Management Company, LLP | 1.82M | 2.89% |
| Norges Bank Investment Management (NBIM) | 1.81M | 2.88% |
| Aviva Investors Global Services Limited | 1.16M | 1.85% |
| BlackRock Advisors (UK) Limited | 919.14K | 1.46% |
| Amundi Asset Management, SAS | 869.17K | 1.38% |
| Capital Research Global Investors | 851.27K | 1.35% |
| Bellevue Asset Management AG | 564.24K | 0.90% |
Largest mutual fund holders
| Holder | Shares | % of shares |
|---|---|---|
| Statens Pensjonsfond Utland | 1.81M | 2.87% |
| Vanguard Total International Stock Index Fund | 913.64K | 1.45% |
| Vanguard Health Care Fund | 898.58K | 1.43% |
| Vanguard Developed Markets Index Fund | 608.17K | 0.97% |
| BB Biotech Fd | 560.00K | 0.89% |
Congressional trades
Disclosed by members of Congress over the last 12 months
| Member | Type | Amount | Traded |
|---|---|---|---|
| Alan ArmstrongSenator | Purchase | $1K–$15K | Mar 30, 2026 |
Short interest
Settled Sep 30, 2026
- Shares short
- 1.35M
- Days to cover
- 4.94
- % of shares outstanding
- 2.15%
- Average daily volume
- 273.47K
- Change since last report
- +3.0%
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