Portolan Capital Management, LLC

Position in WGS — GeneDx Holdings Corp.

CIK 1350290 BOSTON, MA

Position in WGS

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$13,751,624

+$7,164,258 QoQ

Shares Held

200,315

+95.3% QoQ

Ownership

0.672%

of shares outstanding

% of Portfolio

0.52%

of 13F equity value

Holder Rank

#30

of 223 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Portolan Capital Management, LLC holds $45,511,852 across 5 Diagnostics & Research names. WGS ranks #2 (30.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	CDNA	CareDx, Inc.	684,805	$19,516,942
2	WGS	GeneDx Holdings Corp. This page	200,315	$13,751,624
3	CSTL	Castle Biosciences Inc	328,818	$7,842,309
4	NTRA	Natera, Inc.	8,532	$2,316,011
5	GH	Guardant Health, Inc.	13,897	$2,084,966

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$13,751,624	200,315	+95.3%	Shares	Sole	2026-08-14
2026-03-31	$6,587,366	102,575	+83.9%	Shares	Sole	2026-05-15
2025-12-31	$7,254,226	55,776	+26.6%	Shares	Sole	2026-02-17
2025-09-30	$4,745,731	44,048	-72.8%	Shares	Sole	2025-11-13
2025-06-30	$14,975,266	162,228	—	Shares	Sole	2025-08-13
No filing history on record for this holder in this stock.