SIMPLEX TRADING, LLC

Position in GH — Guardant Health, Inc.

CIK 1488542 CHICAGO, IL

Position in GH

as of Jun 30, 2026 · filed Aug 12, 2026 Compact

Position Value

$458,491

-$1,481,556 QoQ

Shares Held

3,056

-83.9% QoQ

Ownership

0.002%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#374

of 594 holders

Holding Since

Dec 2020

14 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

SIMPLEX TRADING, LLC holds $17,754,789 across 23 Diagnostics & Research names. GH ranks #10 (2.6% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CRL	Charles River Laboratories International, Inc.	19,196	$4,353,460
2	NTRA	Natera, Inc.	14,519	$3,941,182
3	IQV	Iqvia Holdings Inc.	10,126	$1,956,545
4	MTD	Mettler Toledo International Inc/	1,327	$1,695,255
5	TMO	Thermo Fisher Scientific Inc.	2,213	$1,109,509
6	QGEN	Qiagen N.V.	26,002	$1,016,678
7	TWST	Twist Bioscience Corp	8,078	$831,064
8	NEO	Neogenomics Inc	54,589	$796,453

14 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$458,491	3,056	-83.9%	Shares	Sole	2026-08-12
2025-12-31	$1,940,047	18,994	+217.0%	Shares	Sole	2026-02-11
2024-12-31	$183,055	5,992	-91.2%	Shares	Sole	2025-02-11
2024-03-31	$1,401,746	67,947	+169.7%	Shares	Sole	2024-04-25
2023-12-31	$681,416	25,191	+68.2%	Shares	Sole	2024-02-02
2023-09-30	$443,799	14,973	+3643.2%	Shares	Sole	2023-11-01
2023-03-31	$9,376	400	-44.6%	Shares	Sole	2023-04-27
2022-12-31	$19,638	722	-99.0%	Shares	Sole	2023-02-02
2022-09-30	$4,000,484	74,317	+256.2%	Shares	Sole	2022-11-04
2022-06-30	$841,734	20,866	+12.2%	Shares	Sole	2022-08-03
2022-03-31	$1,231,600	18,593	+637.5%	Shares	Sole	2022-05-02
2021-12-31	$252,150	2,521	-80.0%	Shares	Sole	2022-02-23
2021-03-31	$1,923,542	12,601	+393.6%	Shares	Sole	2021-04-26
2020-12-31	$329,030	2,553	—	Shares	Sole	2021-02-02
No filing history on record for this holder in this stock.