GeneDx Holdings WGS Institutional Ownership

NASDAQ WGS

$101.10 -3.85 (-3.67%)

At close: Sep 18, 2026 · 4:00 PM EDT

Institutions by Trading Activity

226 Institutions

Increased 143 63.3%

Unchanged 24 10.6%

Reduced 59 26.1%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

106.88%

▲+2.17 pp QoQ

Shares Held by Institutions

31.75Mn

of 29.71Mn outstanding

▲+23.16% QoQ

Shares Outstanding

29.71Mn

-2.04Mn held outside 13F filers

Institutional Investors

226

filed 13F for Jun 2026

▼-13 vs prior quarter

Net Shares Added (QoQ)

+5.97Mn

accumulated since last quarter

Value of Holdings

$3.21Bn

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

Quarter ending 30 Jun, 2026

GeneDx Holdings Corp. (NASDAQ:WGS) has 226 institutional investors that have filed 13F reports for the period ending June 2026.

They owned 106.9% of outstanding stock in June 2026, up from 104.7% the prior quarter.
They increased total shares held in GeneDx Holdings by 23.16% from the prior quarter, while the number of investors in WGS decreased 1.31% year over year.
Among the 226 funds, 143 bought more GeneDx Holdings shares, 59 sold down, and 24 held their ground.
Combined, these investors held 31.75Mn shares in WGS for June 2026, up by 5.97Mn shares quarter on quarter, and up 693.38K shares year over year.
Corvex Management LP leads ownership in WGS with 4.78Mn shares as of June 30, 2026, equal to 16.1% of outstanding shares.
Leading buyers of GeneDx Holdings shares for the quarter ending June 2026 were Corvex Management LP (1.56Mn), Casdin Capital, LLC (700.0K), Deep Track Capital, LP (700.0K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (625.38K), First Light Asset Management, LLC (541.0K).
The biggest sellers of GeneDx Holdings for the quarter ending June 2026 included Invesco Ltd. (520.23K), Raymond James Financial Inc (442.17K), MASSACHUSETTS FINANCIAL SERVICES CO /MA/ (349.85K), Franklin Templeton Inc (326.28K), FMR LLC (288.49K).
GeneDx Holdings's 10 largest shareholders as of June 2026 include Corvex Management LP (4.78Mn), Casdin Capital, LLC (3.71Mn), BlackRock, Inc. (1.71Mn), Goldman Sachs Group Inc (1.67Mn), ARK Investment Management LLC (1.61Mn), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (1.4Mn), Morgan Stanley (988.3K), VANGUARD CAPITAL MANAGEMENT LLC (879.0K), CITADEL ADVISORS LLC (865.46K), First Light Asset Management, LLC (783.92K) per Business Quant data.

Form 13F Holdings

226 Institutional Holders

Report period 30 Jun, 2026

Total shares held 31.75Mn

Of outstanding 106.88%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	Corvex Management LP	0001535472	4,784,570	16.10%	▲1,556,421	+48.21%	$328.46Mn
2	Casdin Capital, LLC	0001534261	3,707,164	12.48%	▲700,000	+23.28%	$254.50Mn
3	BlackRock, Inc.	0002012383	1,706,239	5.74%	▲155,531	+10.03%	$117.13Mn
4	Goldman Sachs Group Inc	0000886982	1,669,441	5.62%	▲334,461	+25.05%	$114.61Mn
5	ARK Investment Management LLC	0001697748	1,610,189	5.42%	▲285,606	+21.56%	$110.54Mn
6	WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	0001644956	1,400,653	4.71%	▲625,384	+80.67%	$96.15Mn
7	Morgan Stanley	0000895421	988,297	3.33%	▲456,062	+85.69%	$67.85Mn
8	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	879,003	2.96%	▲20,420	+2.38%	$60.34Mn
9	CITADEL ADVISORS LLC	0001423053	865,462	2.91%	▲218,061	+33.68%	$59.41Mn
10	First Light Asset Management, LLC	0001600004	783,923	2.64%	▲540,996	+222.70%	$53.82Mn
11	Deep Track Capital, LP	0001856083	700,000	2.36%	▲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	1.93%	▼117,340	-17.02%	$39.26Mn
14	GEODE CAPITAL MANAGEMENT, LLC	0001214717	552,125	1.86%	▲2,978	+0.54%	$37.91Mn
15	State Street Corp	0000093751	527,815	1.78%	▲55,370	+11.72%	$36.23Mn
16	GAGNON SECURITIES LLC	0001125725	524,865	1.77%	▲221,716	+73.14%	$36.03Mn
17	Aberdeen Group plc	0001716774	457,201	1.54%	▲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	1.17%	▲111,605	+47.57%	$23.77Mn

Showing 1 to 20 of 226 holders