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Prosight Management’s argenx ARGX Stock Holding History

Prosight Management’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
2025
Q4 		– Sell
-3,300
Closed -$2.43M – 42
2025
Q3 		$2.43M Sell
3,300
-18,700
-85% -$12.3M 0.57% 31
2025
Q2 		$12.1M Buy
22,000
+8,300
+61% +$4.82M 2.96% 12
2025
Q1 		$8.11M Buy
+13,700
New +$8.65M 2.66% 14

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
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
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 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

Prosight Management's ARGX Position: Q4 2025 in Review

Prosight Management sold out of argenx (ARGX) in Q4 2025, closing a stake of 3,300 shares — an estimated $2.43M sold.

Prosight Management first reported a position in ARGX in Q1 2025 and held it in 3 quarters. The position peaked at $12.1M in Q2 2025. 508 funds tracked by Wall St. Rank hold ARGX as of Q4 2025.

  • Prosight Management reported no remaining argenx position as of Q4 2025 after selling out during the quarter.
  • Prosight Management sold 3,300 argenx shares in Q4 2025, an estimated $2.43M.
  • Prosight Management first reported a position in argenx in Q1 2025 and held it in 3 quarters.
  • Prosight Management's argenx position peaked at $12.1M in Q2 2025.
  • 508 funds tracked by Wall St. Rank held argenx as of Q4 2025.

Based on Prosight Management's 13F filing for Q4 2025, filed 13 Feb 2026.