Westmount Partners, LLC

Position in ILMN — Illumina, Inc.

CIK 2051491 LOS ANGELES, CA

Position in ILMN

as of Jun 30, 2026 · filed Jul 7, 2026 Compact

Position Value

$3,995,912

-$332,855 QoQ

Shares Held

22,726

-35.3% QoQ

Ownership

0.015%

of shares outstanding

% of Portfolio

1.32%

of 13F equity value

Holder Rank

#264

of 932 holders

Holding Since

Dec 2022

15 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Westmount Partners, LLC holds $6,574,636 across 6 Diagnostics & Research names. ILMN ranks #1 (60.8% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ILMN	Illumina, Inc. This page	22,726	$3,995,912
2	RDNT	RadNet, Inc.	20,000	$1,233,400
3	GRAL	GRAIL, Inc.	8,312	$567,460
4	TMO	Thermo Fisher Scientific Inc.	1,076	$539,463
5	IDXX	Idexx Laboratories Inc /De	400	$210,576
6	OPK	Opko Health, Inc.	18,550	$27,825

15 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,995,912	22,726	-35.3%	Shares	Sole	2026-07-07
2026-03-31	$4,328,767	35,119	-12.4%	Shares	Sole	2026-04-16
2025-12-31	$5,259,909	40,103	-15.8%	Shares	Sole	2026-01-15
2025-09-30	$4,521,426	47,609	0.0%	Shares	Sole	2025-10-14
2025-06-30	$4,542,374	47,609	0.0%	Shares	Sole	2025-07-09
2025-03-31	$3,777,298	47,609	0.0%	Shares	Sole	2025-05-01
2024-12-31	$6,361,990	47,609	0.0%	Shares	Sole	2025-01-13
2024-09-30	$6,208,689	47,609	0.0%	Shares	Sole	2025-01-13
2024-06-30	$4,969,427	47,609	0.0%	Shares	Sole	2025-01-28
2024-03-31	$6,537,669	47,609	-0.0%	Shares	Sole	2025-01-28
2023-12-31	$6,629,774	47,614	0.0%	Shares	Sole	2025-01-28
2023-09-30	$6,536,452	47,614	0.0%	Shares	Sole	2025-01-28
2023-06-30	$8,927,150	47,614	0.0%	Shares	Sole	2025-01-28
2023-03-31	$11,072,637	47,614	0.0%	Shares	Sole	2025-01-29
2022-12-31	$9,627,550	47,614	—	Shares	Sole	2025-01-28
No filing history on record for this holder in this stock.