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LMR Partners’s argenx ARGX Stock Holding History

LMR Partners’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
-20,900
Closed -$11.3M – 1203
2024
Q3 		$11.3M Buy
20,900
+19,800
+1,800% +$10M 0.09% 197
2024
Q2 		$473K Buy
+1,100
New +$421K ﹤0.01% 779
2023
Q3 		– Sell
-10,100
Closed -$3.94M – 938
2023
Q2 		$3.94M Buy
+10,100
New +$3.97M 0.04% 277

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 $5.72T AUM 30.48% 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

LMR Partners's ARGX Position: Q1 2026 in Review

LMR Partners increased its argenx (ARGX) stake by 517% in Q1 2026, buying an estimated $15.4M and bringing the position to 23,488 shares worth $17.2M. The position accounts for 0.04% of the portfolio, ranked #249.

LMR Partners first reported a position in ARGX in Q1 2020 and has held it in 16 quarters since. 475 funds tracked by Wall St. Rank hold ARGX as of Q1 2026.

  • LMR Partners held 23,488 shares of argenx worth $17.2M as of Q1 2026.
  • LMR Partners bought 19,682 argenx shares in Q1 2026, an estimated $15.4M.
  • argenx made up 0.04% of LMR Partners's portfolio in Q1 2026, its #249 holding.
  • LMR Partners first reported a position in argenx in Q1 2020 and has held it in 16 quarters since.
  • 475 funds tracked by Wall St. Rank held argenx as of Q1 2026.

Based on LMR Partners's 13F filing for Q1 2026, filed 15 May 2026.