Pathstone Holdings, LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 2011612 ENGLEWOOD, NJ

Position in REGN

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

Position Value

$12,294,246

+$774,859 QoQ

Shares Held

15,912

+6.6% QoQ

Ownership

0.015%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Dec 2023

10 quarters on record

Voting authority Sole 65.9376571141277.ToString("F0")% Shared 0.6096028154851685.ToString("F0")% None 33.45274007038713.ToString("F0")%

Healthcare · as of Mar 31, 2026

Pathstone Holdings, LLC holds $81,066,919 across 49 Biotechnology names. REGN ranks #2 (15.2% 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. This page	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	32,835	$2,465,579

10 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$12,294,246	15,912	+6.6%	Shares	Other	2026-05-11
2025-12-31	$11,519,387	14,924	+18.1%	Shares	Sole	2026-02-13
2025-09-30	$7,107,091	12,640	+19.9%	Shares	Other	2025-11-13
2025-06-30	$5,535,075	10,543	-44.9%	Shares	Other	2025-08-12
2025-03-31	$12,137,892	19,138	+39.9%	Shares	Sole	2025-05-15
2024-12-31	$9,742,536	13,677	-8.4%	Shares	Other	2025-02-14
2024-09-30	$15,696,063	14,931	+0.4%	Shares	Other	2024-11-07
2024-06-30	$15,624,610	14,866	+0.3%	Shares	Sole	2024-08-14
2024-03-31	$14,269,876	14,826	+42.5%	Shares	Defined	2024-05-13
2023-12-31	$9,140,363	10,407	—	Shares	Sole	2024-02-14
No filing history on record for this holder in this stock.