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Summit Partners Public Asset Management’s argenx ARGX Stock Holding History

Summit Partners Public Asset 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
-30,000
Closed -$22.1M – 137
2025
Q3 		$22.1M Buy
30,000
+12,900
+75% +$8.51M 0.46% 66
2025
Q2 		$9.43M Sell
17,100
-14,900
-47% -$8.65M 0.24% 94
2025
Q1 		$18.9M Buy
+32,000
New +$20.2M 0.49% 72

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
Capital World Investors
Capital World Investors Los Angeles, California $733B AUM 35.63% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $535B AUM 26.23% 1-Year Est. Return
ACA
Avoro Capital Advisors New York $10.2B AUM 149.19% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RI
RTW Investments New York $10B AUM 135.35% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.02T AUM 30.18% 1-Year Est. Return

Summit Partners Public Asset Management's ARGX Position: Q1 2026 in Review

Summit Partners Public Asset Management sold out of argenx (ARGX) in Q1 2026, closing a stake of 82,620 shares — an estimated $69.5M sold.

Summit Partners Public Asset Management first reported a position in ARGX in Q1 2024 and held it in 6 quarters. The position peaked at $69.5M in Q4 2025. 476 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • Summit Partners Public Asset Management reported no remaining argenx position as of Q1 2026 after selling out during the quarter.
  • Summit Partners Public Asset Management sold 82,620 argenx shares in Q1 2026, an estimated $69.5M.
  • Summit Partners Public Asset Management first reported a position in argenx in Q1 2024 and held it in 6 quarters.
  • Summit Partners Public Asset Management's argenx position peaked at $69.5M in Q4 2025.
  • 476 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on Summit Partners Public Asset Management's 13F filing for Q1 2026, filed 15 May 2026.