Gilbert & Cook, Inc.

Position in REGN — Regeneron Pharmaceuticals, Inc.

CIK 1675762 WEST DES MOINES, IA

Position in REGN

as of Mar 31, 2026 · filed May 5, 2026 Compact

Position Value

$1,309,624

-$9,501 QoQ

Shares Held

1,695

-0.8% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.49%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Jun 2023

12 quarters on record

Voting authority Sole 0% Shared 0% None 100%

Healthcare · as of Jun 30, 2026

Gilbert & Cook, Inc. holds $5,438,299 across 5 Biotechnology names.

#	Ticker	Company	Shares	Value (USD)
1	ASND	Ascendis Pharma A/S	8,543	$2,278,588
2	ARGX	Argenx SE	1,291	$1,197,751
3	ALNY	Alnylam Pharmaceuticals, Inc.	3,928	$1,182,445
4	GPCR	Structure Therapeutics Inc.	9,167	$491,992
5	DNLI	Denali Therapeutics Inc.	11,179	$287,523

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$1,309,624	1,695	-0.8%	Shares	Sole	2026-05-05
2025-12-31	$1,319,125	1,709	-1.4%	Shares	Sole	2026-01-07
2025-09-30	$974,976	1,734	-0.2%	Shares	Sole	2025-11-12
2025-06-30	$911,925	1,737	+2.0%	Shares	Sole	2025-08-05
2025-03-31	$1,080,093	1,703	+0.2%	Shares	Sole	2025-05-06
2024-12-31	$1,210,961	1,700	-0.3%	Shares	Sole	2025-01-23
2024-09-30	$1,792,364	1,705	-2.6%	Shares	Sole	2024-11-07
2024-06-30	$1,839,302	1,750	-9.4%	Shares	Sole	2024-08-01
2024-03-31	$1,859,530	1,932	+1.3%	Shares	Sole	2024-05-02
2023-12-31	$1,674,899	1,907	+8.3%	Shares	Sole	2024-02-13
2023-09-30	$1,449,232	1,761	+204.1%	Shares	Sole	2023-11-02
2023-06-30	$416,034	579	—	Shares	Sole	2023-08-14
No filing history on record for this holder in this stock.