Pathstone Holdings, LLC

Position in IONS — Ionis Pharmaceuticals Inc

CIK 2011612 ENGLEWOOD, NJ

Position in IONS

as of Mar 31, 2026 · filed May 11, 2026 Compact

Position Value

$2,465,579

-$248,210 QoQ

Shares Held

32,835

-4.3% QoQ

Ownership

0.020%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 81.47403685092127.ToString("F0")% Shared 0.ToString("F0")% None 18.525963149078727.ToString("F0")%

Healthcare · as of Mar 31, 2026

Pathstone Holdings, LLC holds $81,066,919 across 49 Biotechnology names. IONS ranks #8 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	VRTX	Vertex Pharmaceuticals Inc / Ma	44,262	$19,764,751
2	REGN	Regeneron Pharmaceuticals, Inc.	15,912	$12,294,246
3	INSM	INSMED Inc	27,249	$4,455,756
4	PTGX	Protagonist Therapeutics, Inc	28,252	$2,977,760
5	CYTK	Cytokinetics Inc	44,516	$2,934,049
6	MDGL	Madrigal Pharmaceuticals, Inc.	5,457	$2,856,575
7	JAZZ	Jazz Pharmaceuticals plc	13,947	$2,636,679
8	IONS	Ionis Pharmaceuticals Inc This page	32,835	$2,465,579

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$2,465,579	32,835	-4.3%	Shares	Defined	2026-05-11
2025-12-31	$2,713,789	34,304	+2.1%	Shares	Defined	2026-02-13
2025-09-30	$2,198,242	33,602	+9.2%	Shares	Defined	2025-11-13
2025-06-30	$1,215,287	30,759	-10.5%	Shares	Defined	2025-08-12
2025-03-31	$1,037,002	34,372	+31.9%	Shares	Sole	2025-05-15
2024-12-31	$910,986	26,058	-6.3%	Shares	Other	2025-02-14
2024-09-30	$1,113,947	27,807	+22.5%	Shares	Defined	2024-11-07
2024-06-30	$1,082,119	22,705	+6.8%	Shares	Sole	2024-08-14
2024-03-31	$921,317	21,253	+78.9%	Shares	Defined	2024-05-13
2023-12-31	$601,109	11,882	—	Shares	Sole	2024-02-14
No filing history on record for this holder in this stock.