OC
ARGX icon

Oppenheimer & Co’s argenx ARGX Stock Holding History

Oppenheimer & Co’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
Q1 		$332K Buy
455
+13
+3% +$10.2K ﹤0.01% 1347
2025
Q4 		$372K Buy
442
+12
+3% +$10.3K 0.01% 1193
2025
Q3 		$317K Buy
+430
New +$284K ﹤0.01% 1358
2025
Q2 		– Sell
-915
Closed -$542K – 1606
2025
Q1 		$542K Buy
915
+85
+10% +$53.6K 0.01% 1049
2024
Q4 		$510K Sell
830
-6
-0.7% -$3.52K 0.01% 1050
2024
Q3 		$453K Buy
+836
New +$422K 0.01% 1075

Other funds holding ARGX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
T. Rowe Price Associates
T. Rowe Price Associates Baltimore, Maryland $865B AUM 30.76% 1-Year Est. Return
Janus Henderson Group
Janus Henderson Group London, United Kingdom $209B AUM 37.72% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Oppenheimer & Co's ARGX Position: Q1 2026 in Review

Oppenheimer & Co increased its argenx (ARGX) stake by 2.9% in Q1 2026, buying an estimated $10.2K and bringing the position to 455 shares worth $332K. The position accounts for ﹤0.01% of the portfolio, ranked #1347.

Oppenheimer & Co first reported a position in ARGX in Q3 2024 and has held it in 6 quarters since. The position peaked at $542K in Q1 2025. 476 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Oppenheimer & Co held 455 shares of argenx worth $332K as of Q1 2026.
  • Oppenheimer & Co bought 13 argenx shares in Q1 2026, an estimated $10.2K.
  • argenx made up ﹤0.01% of Oppenheimer & Co's portfolio in Q1 2026, its #1347 holding.
  • Oppenheimer & Co first reported a position in argenx in Q3 2024 and has held it in 6 quarters since.
  • Oppenheimer & Co's argenx position peaked at $542K in Q1 2025.
  • 476 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Oppenheimer & Co's 13F filing for Q1 2026, filed 24 Apr 2026.