Argenx Se ARGX Institutional Ownership

NASDAQ ARGX

$1,033.15 -20.31 (-1.93%)

As of: Sep 4, 2026 · 3:59 PM EDT

Institutions by Trading Activity

503 Institutions

Increased 265 52.7%

Unchanged 79 15.7%

Reduced 159 31.6%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

46.09%

▼-5.07 pp QoQ

Shares Held by Institutions

28.25Mn

of 61.30Mn outstanding

▲+8.29% QoQ

Shares Outstanding

61.30Mn

33.04Mn held outside 13F filers

Institutional Investors

503

filed 13F for Jun 2026

▲+29 vs prior quarter

Net Shares Added (QoQ)

+2.16Mn

accumulated since last quarter

Value of Holdings

$29.76Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Argenx Se (NASDAQ:ARGX) showed up in the 13F filings of 503 institutional investors as of June 2026.

These investors collectively held 46.1% of Argenx Se's outstanding shares in June 2026, down from 51.2% in March 2026.
They increased total shares held in ARGX by 8.29% quarter over quarter, and investors in Argenx Se increased 15.1% from a year ago.
Activity in ARGX broke down as 265 buyers, 159 sellers, and 79 unchanged among 503 total holders.
Combined, these investors held 28.25Mn shares in ARGX for June 2026, up by 2.16Mn shares quarter on quarter, and down 2.81Mn shares year over year.
FMR LLC is the top holder of Argenx Se as of June 30, 2026, with 5.23Mn shares representing 8.53% of outstanding stock.
Leading buyers of Argenx Se shares for the quarter ending June 2026 were Jupiter Topco LLC (2.47Mn), FMR LLC (240.42K), BESSEMER GROUP INC (203.53K), Barclays Plc (128.93K), Capital Research Global Investors (88.51K).
Leading sellers of Argenx Se shares for the quarter ending June 2026 were PRICE T ROWE ASSOCIATES INC /MD/ (696.91K), Invesco Ltd. (150.71K), Fiera Capital Corp (126.78K), WELLINGTON MANAGEMENT GROUP LLP (90.91K), BRAIDWELL LP (67.23K).
Business Quant data shows the 10 biggest positions in Argenx Se as of June 2026 are held by FMR LLC (5.23Mn), PRICE T ROWE ASSOCIATES INC /MD/ (2.68Mn), Jupiter Topco LLC (2.47Mn), Capital World Investors (2.2Mn), Artisan Partners Limited Partnership (1.51Mn), Avoro Capital Advisors LLC (1.0Mn), WELLINGTON MANAGEMENT GROUP LLP (930.55K), BlackRock, Inc. (777.2K), RTW INVESTMENTS, LP (709.45K), Morgan Stanley (643.12K).

Form 13F Holdings

504 Institutional Holders

Report period 30 Jun, 2026

Total shares held 28.25Mn

Of outstanding 46.09%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	FMR LLC	0000315066	5,231,452	8.53%	▲240,418	+4.82%	$4.85Bn
2	PRICE T ROWE ASSOCIATES INC /MD/	0000080255	2,678,047	4.37%	▼696,908	-20.65%	$2.48Mn
3	Jupiter Topco LLC	0002146052	2,474,015	4.04%	▲2,474,015	0.00%	$2.30Bn
4	Capital World Investors	0001422849	2,199,770	3.59%	▼56,446	-2.50%	$2.04Bn
5	Artisan Partners Limited Partnership	0001466153	1,508,778	2.46%	▲40,796	+2.78%	$1.40Bn
6	Avoro Capital Advisors LLC	0001633313	1,000,000	1.63%	0	0.00%	$927.77Mn
7	WELLINGTON MANAGEMENT GROUP LLP	0000902219	930,548	1.52%	▼90,909	-8.90%	$863.33Mn
8	BlackRock, Inc.	0002012383	777,204	1.27%	▼31,133	-3.85%	$721.07Mn
9	RTW INVESTMENTS, LP	0001493215	709,446	1.16%	0	0.00%	$658.20Mn
10	Morgan Stanley	0000895421	643,123	1.05%	▲82,412	+14.70%	$596.67Mn
11	Invesco Ltd.	0000914208	443,990	0.72%	▼150,707	-25.34%	$411.92Mn
12	Bank Of America Corp /De/	0000070858	400,234	0.65%	▲117	+0.03%	$371.33Mn
13	ALLIANCEBERNSTEIN L.P.	0001109448	395,661	0.65%	▼26,643	-6.31%	$288.93Mn
14	Bellevue Group AG	0001674546	301,000	0.49%	▼12,000	-3.83%	$279.26Mn
15	SANDS CAPITAL MANAGEMENT, LLC	0001020066	298,599	0.49%	▼41,686	-12.25%	$277.03Mn
16	BESSEMER GROUP INC	0001054074	267,779	0.44%	▲203,528	+316.77%	$248.44K
17	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	264,617	0.43%	▼1,450	-0.54%	$245.49Mn
18	Sei Investments Co	0000350894	255,073	0.42%	▼31,893	-11.11%	$236.65Mn
19	Clearbridge Investments, LLC	0001348883	253,776	0.41%	▲22,420	+9.69%	$235.45Mn
20	JENNISON ASSOCIATES LLC	0000053417	226,200	0.37%	▼11,268	-4.75%	$209.86Mn

Showing 1 to 20 of 504 holders