Bellevue Group AG

Position in IONS — Ionis Pharmaceuticals Inc

CIK 1674546 Zurich, V8

Back to IONS Full portfolio

Position in IONS

as of Mar 31, 2026 · filed May 15, 2026 Compact

Position Value

$136,563,554

-$243,338,408 QoQ

Shares Held

1,818,665

-62.1% QoQ

Ownership

1.10%

of shares outstanding

% of Portfolio

3.25%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IONS Over Time

Shares Held

Position Value (USD)

Position in Biotechnology

Healthcare · as of Mar 31, 2026

Bellevue Group AG holds $2,583,944,637 across 59 Biotechnology names. IONS ranks #6 (5.3% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	681,908	$304,499,197
2	ARGX	Argenx SE	313,000	$228,568,250
3	REGN	Regeneron Pharmaceuticals, Inc.	278,674	$215,314,678
4	SRRK	Scholar Rock Holding Corp	3,584,573	$176,217,608
5	RVMD	Revolution Medicines, Inc.	1,544,456	$150,198,346
6	IONS	Ionis Pharmaceuticals Inc This page	1,818,665	$136,563,554
7	VRDN	Viridian Therapeutics, Inc.DE	6,726,144	$131,563,376
8	KRYS	Krystal Biotech, Inc.	481,785	$124,454,701

All Filings in IONS

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25 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$136,563,554	1,818,665	-62.1%	Shares	Defined	2026-05-15
2025-12-31	$379,901,962	4,802,199	-23.1%	Shares	Defined	2026-02-17
2025-09-30	$408,511,983	6,244,451	-20.5%	Shares	Defined	2025-11-14
2025-06-30	$310,279,852	7,853,198	0.0%	Shares	Defined	2025-08-14
2025-03-31	$236,930,983	7,853,198	-0.2%	Shares	Defined	2025-05-14
2024-12-31	$275,089,752	7,868,700	-0.1%	Shares	Defined	2025-02-14
2024-09-30	$315,448,464	7,874,400	-4.7%	Shares	Defined	2024-11-14
2024-06-30	$393,692,284	8,260,434	-0.5%	Shares	Defined	2024-08-14
2024-03-31	$359,783,931	8,299,514	-4.8%	Shares	Defined	2024-05-15
2023-12-31	$440,840,602	8,713,987	-5.6%	Shares	Defined	2024-02-14
2023-09-30	$418,840,632	9,233,700	-1.6%	Shares	Defined	2023-11-14
2023-06-30	$384,873,709	9,380,300	-1.4%	Shares	Defined	2023-08-14
2023-03-31	$339,955,306	9,511,900	-2.4%	Shares	Defined	2023-05-15
2022-12-31	$368,027,103	9,743,900	+3.0%	Shares	Defined	2023-02-14
2022-09-30	$418,566,182	9,463,400	-3.2%	Shares	Defined	2022-11-14
2022-06-30	$361,927,066	9,776,528	-1.4%	Shares	Defined	2022-08-11
2022-03-31	$367,365,423	9,918,073	-4.2%	Shares	Defined	2022-05-13
2021-12-31	$315,106,392	10,355,123	+10.8%	Shares	Defined	2022-02-10
2021-09-30	$313,529,437	9,347,926	-5.9%	Shares	Defined	2021-11-12
2021-06-30	$396,117,471	9,930,245	+10.5%	Shares	Defined	2021-08-12
2021-03-31	$403,931,160	8,984,234	-0.7%	Shares	Defined	2021-05-12
2020-12-31	$511,692,201	9,050,092	+3.8%	Shares	Defined	2021-02-16
2020-09-30	$413,587,010	8,716,270	+5.7%	Shares	Defined	2020-11-16
2020-06-30	$486,412,511	8,249,873	-1.5%	Shares	Defined	2020-08-13
2020-03-31	$396,189,473	8,379,642	—	Shares	Defined	2020-05-14
No filing history on record for this holder in this stock.