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Brooklyn Investment Group’s argenx ARGX Stock Holding History

Brooklyn Investment Group’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 		$1.24M Sell
1,697
-207
-11% -$162K 0.04% 457
2025
Q4 		$1.59M Buy
+1,904
New +$1.63M 0.07% 217
2025
Q3 		– Sell
-263
Closed -$145K – 793
2025
Q2 		$145K Buy
263
+188
+251% +$109K 0.02% 755
2025
Q1 		$44.4K Buy
75
+38
+103% +$24K 0.01% 837
2024
Q4 		$22.8K Buy
+37
New +$21.7K 0.01% 726

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
Janus Henderson Group
Janus Henderson Group London $209B AUM 37.72% 1-Year Est. Return
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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $11.1B AUM 207.82% 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
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return

Brooklyn Investment Group's ARGX Position: Q1 2026 in Review

Brooklyn Investment Group reduced its argenx (ARGX) stake by 11% in Q1 2026, selling an estimated $162K and leaving 1,697 shares worth $1.24M. The position accounts for 0.04% of the portfolio, ranked #457.

Brooklyn Investment Group first reported a position in ARGX in Q4 2024 and has held it in 5 quarters since. The position peaked at $1.59M in Q4 2025. 477 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Brooklyn Investment Group held 1,697 shares of argenx worth $1.24M as of Q1 2026.
  • Brooklyn Investment Group sold 207 argenx shares in Q1 2026, an estimated $162K.
  • argenx made up 0.04% of Brooklyn Investment Group's portfolio in Q1 2026, its #457 holding.
  • Brooklyn Investment Group first reported a position in argenx in Q4 2024 and has held it in 5 quarters since.
  • Brooklyn Investment Group's argenx position peaked at $1.59M in Q4 2025.
  • 477 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Brooklyn Investment Group's 13F filing for Q1 2026, filed 29 Apr 2026.