GeneDx Holdings WGS Institutional Ownership

NASDAQ WGS

$66.99 +0.70 (+1.06%)

As of: Oct 20, 2026 · 9:32 AM EDT

Institutions by Trading Activity

224 Institutions

Increased 142 63.4%

Unchanged 25 11.2%

Reduced 57 25.4%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

—

13F totals exceed reported shares outstanding

Shares Held by Institutions

31.58Mn

of 29.80Mn outstanding

▲+2.96% QoQ

Shares Outstanding

29.80Mn

Institutional Investors

224

filed 13F for Jun 2026

▼-14 vs prior quarter

Net Shares Added (QoQ)

+907.14K

accumulated since last quarter

Value of Holdings

$2.22Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Updated Oct 11, 2026

GeneDx Holdings Corp. (NASDAQ:WGS) had 224 institutional holders reporting a position on Form 13F for the quarter ended June 30, 2026.

Total shares held in GeneDx Holdings rose 2.96% from Q1 2026, while the number of holders fell 1.32% from Q2 2025.
Among the 224 holders of GeneDx Holdings, 142 added to their positions, 57 reduced their stakes and 25 left their positions unchanged.
The aggregate institutional position in GeneDx Holdings was 31.58Mn shares at the end of Q2 2026, up 907.14K from the prior quarter and up 844.39K from a year earlier.
Corvex Management LP held the largest position in WGS at 4.78Mn shares as of June 30, 2026.
Among existing holders, the largest additions to GeneDx Holdings in Q2 2026 came from Corvex Management LP (+1.56Mn shares), Casdin Capital, LLC (+700K shares), William Blair Investment Management, LLC (+625.38K shares), First Light Asset Management, LLC (+541K shares) and Morgan Stanley (+456.06K shares).
The biggest cuts to WGS positions during Q2 2026 came from Invesco Ltd. (-520.23K shares), Raymond James Financial Inc (-442.17K shares), Massachusetts Financial Services Co (-349.85K shares), Franklin Templeton Inc (-326.28K shares) and FMR LLC (-288.49K shares).
Per Business Quant data, the 10 largest holders of GeneDx Holdings at the end of Q2 2026 were Corvex Management LP (4.78Mn shares), Casdin Capital, LLC (3.71Mn shares), BlackRock, Inc. (1.71Mn shares), Goldman Sachs Group Inc (1.67Mn shares), ARK Investment Management LLC (1.61Mn shares), William Blair Investment Management, LLC (1.4Mn shares), Morgan Stanley (988.3K shares), Vanguard Capital Management LLC (879K shares), Citadel Advisors LLC (865.46K shares) and First Light Asset Management, LLC (783.92K shares).

Form 13F Holdings

225 Institutional Holders

Report period 30 Jun, 2026

Total shares held 31.58Mn

Of outstanding —

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Corvex Management LP	0001535472	4,784,570	16.05%	▲1,556,421	+48.21%	$328.46Mn
2	Casdin Capital, LLC	0001534261	3,707,164	12.44%	▲700,000	+23.28%	$254.50Mn
3	BlackRock, Inc.	0002012383	1,706,239	5.73%	▲155,531	+10.03%	$117.13Mn
4	Goldman Sachs Group Inc	0000886982	1,669,441	5.60%	▲334,461	+25.05%	$114.61Mn
5	ARK Investment Management LLC	0001697748	1,610,189	5.40%	▲285,606	+21.56%	$110.54Mn
6	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	1,400,653	4.70%	▲625,384	+80.67%	$96.15Mn
7	Morgan Stanley	0000895421	988,297	3.32%	▲456,062	+85.69%	$67.85Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	879,003	2.95%	▲20,420	+2.38%	$60.34Mn
9	CITADEL ADVISORS LLC	0001423053	865,462	2.90%	▲218,061	+33.68%	$59.41Mn
10	First Light Asset Management, LLC	0001600004	783,923	2.63%	▲540,996	+222.70%	$53.82Mn
11	Deep Track Capital, LP	0001856083	700,000	2.35%	▲700,000	0.00%	$48.06Mn
12	Sumitomo Mitsui Trust Group, Inc.	0001475365	666,581	2.24%	▲33,124	+5.23%	$45.76Mn
12	Amova Asset Management Americas, Inc.	0001480751	666,581	2.24%	▲27,781	+4.35%	$45.70Mn
13	Zweig-DiMenna Associates LLC	0001533950	571,950	1.92%	▼117,340	-17.02%	$39.26Mn
14	GEODE CAPITAL MANAGEMENT, LLC	0001214717	552,125	1.85%	▲2,978	+0.54%	$37.91Mn
15	State Street Corp	0000093751	527,815	1.77%	▲55,370	+11.72%	$36.23Mn
16	GAGNON SECURITIES LLC	0001125725	524,865	1.76%	▲221,716	+73.14%	$36.03Mn
17	Aberdeen Group plc	0001716774	457,201	1.53%	▲227,105	+98.70%	$31.39Mn
18	WELLINGTON MANAGEMENT GROUP LLP	0000902219	347,927	1.17%	▲6,922	+2.03%	$23.89Mn
19	Bank Of America Corp /De/	0000070858	346,211	1.16%	▲111,605	+47.57%	$23.77Mn

Showing 1 to 20 of 225 holders