BLAIR WILLIAM & CO/IL

Position in GH — Guardant Health, Inc.

CIK 902367 CHICAGO, IL

Position in GH

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

Position Value

$26,895,277

+$17,321,681 QoQ

Shares Held

179,266

+73.0% QoQ

Ownership

0.134%

of shares outstanding

% of Portfolio

0.08%

of 13F equity value

Holder Rank

#102

of 594 holders

Holding Since

Mar 2020

12 quarters on record

Voting authority Sole 89% Shared 0% None 11%

Healthcare · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $890,730,193 across 22 Diagnostics & Research names. GH ranks #5 (3.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	IDXX	Idexx Laboratories Inc /De	918,556	$483,564,619
2	DHR	Danaher Corp /De/	971,095	$184,974,175
3	TMO	Thermo Fisher Scientific Inc.	160,038	$80,236,651
4	MTD	Mettler Toledo International Inc/	24,905	$31,816,386
5	GH	Guardant Health, Inc. This page	179,266	$26,895,277
6	TWST	Twist Bioscience Corp	256,556	$26,394,481
7	DGX	Quest Diagnostics Inc	93,291	$19,773,027
8	VCYT	Veracyte, Inc.	179,712	$10,554,485

12 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$26,895,277	179,266	+73.0%	Shares	Sole	2026-08-11
2026-03-31	$9,573,596	103,644	+1035.3%	Shares	Sole	2026-05-08
2022-06-30	$368,263	9,129	+9.1%	Shares	Sole	2022-08-10
2022-03-31	$554,031	8,364	-30.7%	Shares	Sole	2022-05-13
2021-12-31	$1,207,241	12,070	-0.1%	Shares	Sole	2022-02-14
2021-09-30	$1,510,995	12,087	-31.4%	Shares	Sole	2021-11-12
2021-06-30	$2,187,731	17,616	-1.1%	Shares	Sole	2021-08-12
2021-03-31	$2,718,543	17,809	+19.2%	Shares	Sole	2021-05-13
2020-12-31	$1,925,467	14,940	-41.9%	Shares	Sole	2021-02-09
2020-09-30	$2,874,199	25,713	+33.1%	Shares	Sole	2020-11-06
2020-06-30	$1,567,025	19,315	-1.1%	Shares	Sole	2020-08-12
2020-03-31	$1,359,009	19,526	—	Shares	Sole	2020-05-11
No filing history on record for this holder in this stock.