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Railway Pension Investments’s argenx ARGX Stock Holding History

Railway Pension Investments’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
Q3 		– Sell
-39,500
Closed -$21.8M – 122
2025
Q2 		$21.8M Hold
39,500
– – 0.31% 101
2025
Q1 		$23.4M Hold
39,500
– – 0.33% 94
2024
Q4 		$24.3M Buy
39,500
+16,700
+73% +$9.79M 0.32% 97
2024
Q3 		$12.4M Buy
+22,800
New +$11.5M 0.15% 145

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
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
ClearBridge Investments
ClearBridge Investments New York $115B AUM 24.78% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return

Railway Pension Investments's ARGX Position: Q3 2025 in Review

Railway Pension Investments sold out of argenx (ARGX) in Q3 2025, closing a stake of 39,500 shares — an estimated $21.8M sold.

Railway Pension Investments first reported a position in ARGX in Q3 2024 and held it in 4 quarters. The position peaked at $24.3M in Q4 2024. 469 funds tracked by Wall St. Rank hold ARGX as of Q3 2025.

  • Railway Pension Investments reported no remaining argenx position as of Q3 2025 after selling out during the quarter.
  • Railway Pension Investments sold 39,500 argenx shares in Q3 2025, an estimated $21.8M.
  • Railway Pension Investments first reported a position in argenx in Q3 2024 and held it in 4 quarters.
  • Railway Pension Investments's argenx position peaked at $24.3M in Q4 2024.
  • 469 funds tracked by Wall St. Rank held argenx as of Q3 2025.

Based on Railway Pension Investments's 13F filing for Q3 2025, filed 22 Oct 2025.