Rock Springs Capital Management LP Argenx Se Transaction History

Rock Springs Capital Management LP

$1.5 Billion
Q3 2025

A detailed history of Rock Springs Capital Management LP transactions in Argenx Se stock. As of the latest transaction made, Rock Springs Capital Management LP holds 142,750 shares of ARGX stock, worth $130 Million. This represents 7.04% of its overall portfolio holdings.

Number of Shares

142,750

Previous 175,750 18.78%

Holding current value

$130 Million

Previous $96.9 Million 8.68%

% of portfolio

7.04%

Previous 6.58%

15 transactions

Quarter	Operation	Price Per share	shares change	shares Held
Q3 2025 Nov 14, 2025	SELL	$538.64 - $768.0 $17.8 Million - $25.3 Million	-33,000 Reduced 18.78%	142,750 $105 Million
Q1 2025 May 15, 2025	SELL	$571.0 - $671.75 $30.7 Million - $36.2 Million	-53,850 Reduced 23.45%	175,750 $104 Million
Q4 2024 Feb 14, 2025	SELL	$520.52 - $638.33 $2.03 Million - $2.49 Million	-3,900 Reduced 1.67%	229,600 $141 Million
Q3 2024 Nov 14, 2024	BUY	$434.22 - $551.9 $1.85 Million - $2.35 Million	4,250 Added 1.85%	233,500 $127 Million
Q4 2023 Feb 14, 2024	SELL	$338.91 - $506.01 $10.1 Million - $15.1 Million	-29,750 Reduced 11.49%	229,250 $87.2 Million

Q3 2023 Nov 14, 2023	SELL	$369.35 - $548.43 $33.6 Million - $49.9 Million	-91,000 Reduced 26.0%	259,000 $127 Million
Q1 2022 May 16, 2022	BUY	$254.45 - $351.06 $8.91 Million - $12.3 Million	35,000 Added 11.11%	350,000 $110 Million
Q2 2021 Aug 16, 2021	BUY	$257.11 - $319.92 $3.86 Million - $4.8 Million	15,000 Added 5.0%	315,000 $94.8 Million
Q1 2021 May 17, 2021	BUY	$268.3 - $380.31 $3.35 Million - $4.75 Million	12,500 Added 4.35%	300,000 $82.6 Million
Q2 2020 Aug 14, 2020	BUY	$127.44 - $232.72 $5.1 Million - $9.31 Million	40,000 Added 16.16%	287,500 $64.8 Million
Q4 2019 Feb 14, 2020	BUY	$106.59 - $164.21 $7.01 Million - $10.8 Million	65,800 Added 36.21%	247,500 $39.7 Million
Q1 2019 May 15, 2019	BUY	$98.85 - $134.59 $365,745 - $497,983	3,700 Added 2.08%	181,700 $22.7 Million
Q4 2018 Feb 14, 2019	BUY	$63.81 - $109.82 $829,530 - $1.43 Million	13,000 Added 7.88%	178,000 $17.1 Million
Q3 2018 Nov 14, 2018	BUY	$75.5 - $96.63 $2.74 Million - $3.5 Million	36,250 Added 28.16%	165,000 $12.5 Million
Q2 2018 Aug 14, 2018	BUY	$74.84 - $100.16 $9.64 Million - $12.9 Million	128,750 New	128,750 $10.7 Million

Others Institutions Holding ARGX

# of Institutions

526

Shares Held

26M

Call Options Held

589K

Put Options Held

320K

View Full List

About ARGENX SE

Ticker ARGX
Exchange NASDAQ
Sector Healthcare
Industry Biotechnology
Shares Outstandng 55,323,800
Market Cap $50.2B
Description
argenx SE, a biotechnology company, focuses on developing various therapies for the treatment of autoimmune diseases in the United States, the Netherlands, Belgium, Japan, Switzerland, Germany and France. Its lead product candidate is efgartigimod for the treatment of patients with myasthenia gravis, immune thrombocytopenia, pemphigus vulgaris, ...

More about ARGX

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Rock Springs Capital Management LP Argenx Se Transaction History