ARGENX SE - ADR

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ARGX·04016X101·US·ADR·Healthcare - Biotechnology-13D/G

ARGX (ARGENX SE - ADR) is held by 191 institutional investors as of Q2 2026. Largest holders: FMR LLC ($4.9B), Capital World Investors ($2B), Artisan Partners Limited Partnership ($1.4B). Net institutional sentiment: Mixed.

191

Holders

(17 Elite)

$19.4B

Total Value

51% (193)

Consensus

99 buying - 94 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)36

Insider (Form 4)49

Activist (13D/13G)60

Congressional (STOCK Act)61

Holder Quality

39

★★★★★

Elite

39

★★★★

Strong

47

★★★

Solid

85

★★

Below

88

★

Weak

Held by 191 funds

17 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders none · Activists Aug 14, 2026 · Congress none

ActivistT. Rowe Price Associates, Inc.4.3%Aug 14, 2026

ActivistT. Rowe Price Associates, Inc.6.0%Nov 14, 2025

ActivistArtisan Partners Asset Management Inc.3.8%Aug 12, 2025

View all activist filings

Top Holders

Top Holders (191)History

AllNewIncreasedHeldDecreasedExited

Checking access…

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
FMR LLC	Increased	5.2M(+4.8%)	$4.9B	0.2%	+64.97%	40
Capital World Investors	Decreased	2.2M(-2.5%)	$2B	0.2%	+145.29%	0
Artisan Partners Limited Partnership	Increased	1.5M(+2.8%)	$1.4B	2.2%	+262.01%	56
Avoro Capital Advisors LLC	Unchanged	1M	$927.8M	8.3%	+355.14%	0
WELLINGTON MANAGEMENT GROUP LLP	Decreased	930,548(-8.9%)	$863.3M	0.1%	+70.14%	0
BlackRock, Inc.	Decreased	777,237(-3.9%)	$721.1M	0.0%	+52.96%	0
RTW INVESTMENTS, LP	Unchanged	709,446	$658.2M	5.6%	+179.24%	0
MORGAN STANLEY	Increased	643,123(+14.7%)	$596.7M	0.0%	+80.69%	36
Invesco Ltd.	Decreased	443,990(-25.3%)	$411.9M	0.0%	+37.82%	0
BANK OF AMERICA CORP /DE/	Increased	400,234(+0.0%)	$371.3M	0.0%	+62.27%	31
ALLIANCEBERNSTEIN L.P.	Decreased	395,661(-6.3%)	$288.9M	0.1%	+31.86%	0
SANDS CAPITAL MANAGEMENT, LLC	Decreased	298,599(-12.3%)	$277M	1.0%	+25.23%	0
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	Decreased	264,617(-0.5%)	$245.5M	0.7%	+27.18%	0
SEI INVESTMENTS CO	Decreased	255,073(-11.1%)	$236.7M	0.2%	+182.11%	0
Clearbridge Investments, LLC	Increased	253,776(+9.7%)	$235.4M	0.2%	+117.28%	40
JENNISON ASSOCIATES LLC	Decreased	226,200(-4.8%)	$209.9M	0.1%	+153.62%	0
FRANKLIN RESOURCES INC	Decreased	224,930(-3.7%)	$208.7M	0.0%	+154.58%	0
CITADEL ADVISORS LLC	Decreased	212,416(-3.1%)	$197.1M	0.0%	+118.75%	0
Pictet Asset Management Holding SA	Increased	198,282(+33.7%)	$183.8M	0.2%	+73.62%	47
TWO SIGMA INVESTMENTS, LP	Increased	185,638(+70.1%)	$172.2M	0.1%	+30.37%	54

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer