HORIZON KINETICS ASSET MANAGEMENT LLC

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1056823 NEW YORK, NY

Position in REGN

as of Jun 30, 2026 · filed Aug 11, 2026 Compact

Position Value

$402,183

-$119,349 QoQ

Shares Held

645

-4.4% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#866

of 1,327 holders

Holding Since

Mar 2023

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

HORIZON KINETICS ASSET MANAGEMENT LLC holds $23,045,365 across 14 Biotechnology names. REGN ranks #5 (1.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	RPRX	Royalty Pharma plc	344,861	$19,336,356
2	IONS	Ionis Pharmaceuticals Inc	10,904	$864,578
3	ALNY	Alnylam Pharmaceuticals, Inc.	2,168	$652,633
4	CRSP	CRISPR Therapeutics AG	9,353	$510,112
5	REGN	Regeneron Pharmaceuticals, Inc. This page	645	$402,183
6	BEAM	Beam Therapeutics Inc.	8,388	$287,876
7	GALT	Galectin Therapeutics Inc	46,968	$217,931
8	NTLA	Intellia Therapeutics, Inc.	12,584	$212,921

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$402,183	645	-4.4%	Shares	Defined	2026-08-11
2026-03-31	$521,532	675	-4.3%	Shares	Defined	2026-05-15
2025-12-31	$544,168	705	-4.1%	Shares	Defined	2026-02-11
2025-09-30	$413,268	735	+4.3%	Shares	Defined	2025-11-14
2025-06-30	$370,125	705	-4.1%	Shares	Defined	2025-08-12
2025-03-31	$466,159	735	0.0%	Shares	Defined	2025-05-15
2024-12-31	$523,562	735	+4.1%	Shares	Defined	2025-02-10
2024-09-30	$742,175	706	-4.1%	Shares	Defined	2024-11-13
2024-06-30	$773,558	736	0.0%	Shares	Defined	2024-08-14
2024-03-31	$708,392	736	+0.1%	Shares	Defined	2024-05-14
2023-12-31	$645,543	735	-3.9%	Shares	Defined	2024-02-15
2023-09-30	$629,564	765	0.0%	Shares	Defined	2023-11-14
2023-06-30	$549,683	765	0.0%	Shares	Defined	2023-08-14
2023-03-31	$628,577	765	—	Shares	Defined	2023-05-12
No filing history on record for this holder in this stock.