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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
Q2 		$452K Buy
487
+32
+7% +$26.4K ﹤0.01% 1302
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 $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

Oppenheimer & Co's ARGX Position: Q2 2026 in Review

Oppenheimer & Co increased its argenx (ARGX) stake by 7% in Q2 2026, buying an estimated $26.4K and bringing the position to 487 shares worth $452K. The position accounts for ﹤0.01% of the portfolio, ranked #1302.

Oppenheimer & Co first reported a position in ARGX in Q3 2024 and has held it in 7 quarters since. The position peaked at $542K in Q1 2025. 508 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Oppenheimer & Co held 487 shares of argenx worth $452K as of Q2 2026.
  • Oppenheimer & Co bought 32 argenx shares in Q2 2026, an estimated $26.4K.
  • argenx made up ﹤0.01% of Oppenheimer & Co's portfolio in Q2 2026, its #1302 holding.
  • Oppenheimer & Co first reported a position in argenx in Q3 2024 and has held it in 7 quarters since.
  • Oppenheimer & Co's argenx position peaked at $542K in Q1 2025.
  • 508 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Oppenheimer & Co's 13F filing for Q2 2026, filed 3 Aug 2026.