SIMPLEX TRADING, LLC

Position in CDNA — CareDx, Inc.

CIK 1488542 CHICAGO, IL

Position in CDNA

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

Position Value

$19,807

-$152,409 QoQ

Shares Held

695

-92.4% QoQ

Ownership

0.001%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#193

of 225 holders

Holding Since

Mar 2021

11 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. CDNA ranks #20 (0.1% 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

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$19,807	695	-92.4%	Shares	Sole	2026-08-12
2025-12-31	$172,216	9,141	+99.3%	Shares	Sole	2026-02-11
2025-09-30	$66,694	4,587	+128.4%	Shares	Sole	2025-11-12
2025-03-31	$35,642	2,008	+88.2%	Shares	Sole	2025-05-12
2023-09-30	$7,469	1,067	+6568.8%	Shares	Sole	2023-11-01
2023-06-30	$136	16	-99.8%	Shares	Sole	2023-08-04
2022-12-31	$93,139	8,163	+3218.3%	Shares	Sole	2023-02-02
2022-09-30	$4,186	246	-79.6%	Shares	Sole	2022-11-04
2022-03-31	$44,572	1,205	-86.3%	Shares	Sole	2022-05-02
2021-12-31	$400,269	8,801	+313.6%	Shares	Sole	2022-02-23
2021-03-31	$144,895	2,128	—	Shares	Sole	2021-04-26
No filing history on record for this holder in this stock.