argenx
ARGX
505 hedge funds and large institutions have $26.1B invested in argenx in 2026 Q2 according to their latest regulatory filings, with 84 funds opening new positions, 180 increasing their positions, 162 reducing their positions, and 48 closing their positions.
75% more first-time investments, than exits
New positions opened: 84 | Existing positions closed: 48
58% more call options, than puts
Call options by funds: $243M | Put options by funds: $155M
24% more capital invested
Capital invested by funds: $21.1B → $26.1B (+$5.03B)
18% more funds holding in top 10
Funds holding in top 10: 11 → 13 (+2)
11% more repeat investments, than reductions
Existing positions increased: 180 | Existing positions reduced: 162
6% more funds holding
Funds holding: 476 → 505 (+29)
1.16% less ownership
Funds ownership: 46.56% → 45.41% (-1.2%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Fidelity Investments
Boston,
Massachusetts
|
+$198M |
| 2 |
Bessemer Group
Woodbridge,
New Jersey
|
+$168M |
| 3 |
Barclays
London,
United Kingdom
|
+$106M |
| 4 |
Capital Research Global Investors
Los Angeles,
California
|
+$73M |
| 5 |
Morgan Stanley
New York
|
+$68M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
T. Rowe Price Associates
Baltimore,
Maryland
|
-$575M |
| 2 |
Invesco
Atlanta,
Georgia
|
-$124M |
| 3 |
Fiera Capital (Canada)
Montreal,
Quebec, Canada
|
-$105M |
| 4 |
Wellington Management Group
Boston,
Massachusetts
|
-$75M |
| 5 |
B
Braidwell
Stamford,
Connecticut
|
-$55.5M |
ARGX Hedge Fund Activity: Q2 2026 in Review
505 of the 8,287 institutional investors tracked by Wall St. Rank reported a position in argenx (ARGX) for Q2 2026, worth a combined $26.1B — up 24% from $21.1B a quarter earlier.
Buyers outnumbered sellers: 84 funds opened new ARGX positions and 48 closed out — a net gain of 36 holders — while 180 added to existing stakes and 162 trimmed.
The largest buyer was Fidelity Investments, adding an estimated $198M. The largest seller was T. Rowe Price Associates, cutting an estimated $575M.
- 505 institutional investors held argenx (ARGX) as of Q2 2026, up from 476 in Q1 2026.
- Funds reported $26.1B of argenx stock for Q2 2026, up 24% quarter-over-quarter.
- 84 funds opened new argenx positions in Q2 2026 and 48 closed out, a net change of +36 holders.
- The largest argenx buyer in Q2 2026 was Fidelity Investments, an estimated $198M added.
- The largest argenx seller in Q2 2026 was T. Rowe Price Associates, an estimated $575M sold.
Based on aggregated 13F filings for Q2 2026.