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O'Neil Global Advisors’s argenx ARGX Stock Holding History

O'Neil Global Advisors’s Portfolio ARGX Stock Details ARGX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$531K Buy
+572
New +$472K 0.12% 57
2025
Q1 		– Sell
-2,620
Closed -$1.61M – 24
2024
Q4 		$1.61M Buy
+2,620
New +$1.54M 0.47% 19
2023
Q4 		– Sell
-2,332
Closed -$1.15M – 54
2023
Q3 		$1.15M Buy
+2,332
New +$1.14M 1.04% 12
2023
Q1 		– Sell
-760
Closed -$288K – 65
2022
Q4 		$288K Buy
+760
New +$284K 1.33% 30

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $999B AUM 46.22% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
Capital World Investors
Capital World Investors Los Angeles, California $846B AUM 46.74% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $11.7B AUM 174.13% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

O'Neil Global Advisors's ARGX Position: Q2 2026 in Review

O'Neil Global Advisors opened a new position in argenx (ARGX) in Q2 2026: 572 shares worth $531K. The stake represents 0.12% of the portfolio and ranks #57 among its holdings. This is a return to the name: O'Neil Global Advisors previously reported a position in ARGX as recently as Q4 2024.

O'Neil Global Advisors first reported a position in ARGX in Q4 2022 and has held it in 4 quarters since. The position peaked at $1.61M in Q4 2024. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • O'Neil Global Advisors held 572 shares of argenx worth $531K as of Q2 2026.
  • argenx was a new O'Neil Global Advisors position in Q2 2026.
  • argenx made up 0.12% of O'Neil Global Advisors's portfolio in Q2 2026, its #57 holding.
  • O'Neil Global Advisors first reported a position in argenx in Q4 2022 and has held it in 4 quarters since.
  • O'Neil Global Advisors's argenx position peaked at $1.61M in Q4 2024.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on O'Neil Global Advisors's 13F filing for Q2 2026, filed 10 Aug 2026.