ARGENX SE

ARGXNASDAQ

$912.87-6.34 (-0.69%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

ARGENX SE price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (+15.9%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
FMR LLC	8.45%	$4.85B	0.21%	Not reported
Jupiter Topco LLC	4.00%	$2.3B	0.94%	Not reported
Capital World Investors	3.55%	$2.04B	0.24%	Reduce 2.50%
Artisan Partners Limited Partnership	2.44%	$1.4B	2.22%	Add 2.78%
Avoro Capital Advisors LLC	1.62%	$928M	8.33%	Not reported
Wellington Management Group LLP	1.50%	$863M	0.15%	Reduce 8.90%
BlackRock, Inc.	1.26%	$721M	0.01%	Not reported
RTW Investments, LP	1.15%	$658M	5.62%	Not reported
Morgan Stanley	1.04%	$597M	0.03%	Not reported
Invesco Ltd.	0.72%	$412M	0.03%	Not reported
Bank of America Corp	0.65%	$371M	0.02%	Not reported
Alliancebernstein L.P.	0.64%	$289M	0.10%	Not reported
Bellevue Group AG	0.49%	$279M	5.88%	Reduce 3.83%
Sands Capital Management, LLC	0.48%	$277M	1.03%	Reduce 12.25%
Bessemer Group Inc	0.43%	$248M	0.34%	Add 316.77%
William Blair Investment Management, LLC	0.43%	$245M	0.74%	Reduce 0.54%
Sei Investments Co	0.41%	$237M	0.21%	Not reported
Clearbridge Investments, LLC	0.41%	$235M	0.19%	Not reported
Jennison Associates LLC	0.37%	$210M	0.13%	Reduce 4.75%
Citadel Advisors LLC	0.34%	$197M	0.02%	Not reported
Pictet Asset Management Holding SA	0.32%	$184M	0.18%	Add 33.70%
Two Sigma Investments, LP	0.30%	$172M	0.12%	Not reported
Ameriprise Financial Inc	0.29%	$168M	0.03%	Not reported
Goldman Sachs Group Inc	0.29%	$165M	0.01%	Not reported
Legal & General Group Plc	0.29%	$164M	0.03%	Not reported
American Century Companies Inc	0.28%	$161M	0.07%	Not reported
BNP Paribas Financial Markets	0.26%	$147M	0.05%	Not reported
1832 Asset Management L.P.	0.26%	$147M	0.07%	Add 87.58%
Deutsche Bank Ag\	0.22%	$127M	0.04%	Not reported
Bamco Inc	0.22%	$127M	0.19%	Reduce 1.44%
Barclays PLC	0.22%	$125M	0.02%	Not reported
Checkpoint Capital L.P.	0.21%	$122M	31.25%	Reduce 14.19%
Eventide Asset Management, LLC	0.20%	$117M	1.56%	Add 0.01%
Agf Management Ltd	0.20%	$116M	0.45%	Add 0.33%
BNP PARIBAS ASSET MANAGEMENT Holding S.A.	0.20%	$113M	0.11%	Reduce 5.70%
Lord, Abbett & Co. LLC	0.17%	$100M	0.29%	Reduce 28.82%
First Trust Advisors LP	0.16%	$94.1M	0.06%	Reduce 5.37%
PGGM Investments	0.16%	$89.5M	2.20%	Add 34.95%
Millennium Management LLC	0.15%	$87.6M	0.03%	Not reported
Orbimed Advisors LLC	0.15%	$86.2M	1.60%	Not reported
Fiera Capital Corp	0.15%	$83.9M	0.30%	Reduce 58.37%
Capital Research Global Investors	0.14%	$82.1M	0.01%	Not reported
Federated Hermes, Inc.	0.14%	$81M	0.12%	Not reported
Pinebridge Investments LLC	0.14%	$80.8M	0.67%	Reduce 16.15%
Public Sector Pension Investment Board	0.14%	$78.2M	0.20%	Add 15.01%
Aberdeen Group plc	0.14%	$77.8M	0.11%	Add 2.09%
Bank of Montreal	0.12%	$71.6M	0.02%	Not reported
Eagle Health Investments LP	0.12%	$70.9M	11.75%	Add 0.11%
Nuveen, LLC	0.12%	$68.8M	0.02%	Not reported
Amundi	0.11%	$60.4M	0.01%	Not reported

50 of 471 holders

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