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Israel Englander’s argenx ARGX Stock Holding History

Israel Englander’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
2024
Q4 		– Sell
-15,300
Closed -$8.29M – 5934
2024
Q3 		$8.29M Sell
15,300
-29,400
-66% -$14.9M ﹤0.01% 2365
2024
Q2 		$19.2M Buy
44,700
+20,200
+82% +$7.73M 0.01% 1531
2024
Q1 		$9.65M Buy
24,500
+14,500
+145% +$5.62M ﹤0.01% 2224
2023
Q4 		$3.8M Buy
+10,000
New +$4.66M ﹤0.01% 3029
2023
Q3 		– Sell
-37,500
Closed -$14.6M – 6088
2023
Q2 		$14.6M Buy
+37,500
New +$14.7M 0.01% 1674
2023
Q1 		– Sell
-9,800
Closed -$3.71M – 6332
2022
Q4 		$3.71M Buy
+9,800
New +$3.67M ﹤0.01% 3052
2022
Q3 		– Sell
-22,500
Closed -$8.53M – 7040
2022
Q2 		$8.53M Buy
+22,500
New +$7.25M 0.01% 2237

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

Israel Englander's ARGX Position: Q2 2026 in Review

Israel Englander increased its argenx (ARGX) stake by 30% in Q2 2026, buying an estimated $18.2M and bringing the position to 94,401 shares worth $87.6M. The position accounts for 0.03% of the portfolio, ranked #571.

Israel Englander first reported a position in ARGX in Q4 2017 and has held it in 34 quarters since. The position peaked at $256M in Q3 2025. 505 funds tracked by Wall St. Rank hold ARGX as of Q2 2026.

  • Israel Englander held 94,401 shares of argenx worth $87.6M as of Q2 2026.
  • Israel Englander bought 22,036 argenx shares in Q2 2026, an estimated $18.2M.
  • argenx made up 0.03% of Israel Englander's portfolio in Q2 2026, its #571 holding.
  • Israel Englander first reported a position in argenx in Q4 2017 and has held it in 34 quarters since.
  • Israel Englander's argenx position peaked at $256M in Q3 2025.
  • 505 funds tracked by Wall St. Rank held argenx as of Q2 2026.

Based on Millennium Management's 13F filing for Q2 2026, filed 14 Aug 2026.