GeneDx Holdings Corp. (WGS) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

23,144,444Shares Outstanding

6,361,481Shares held by institutions

$579,085,615Value of institutional holdings

121.79%Institutional ownership %

3.21%Shares Changed QoQ

270No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

GeneDx Holdings Corp. (NASDAQ:WGS) currently has 270 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

These investors collectively held 121.8% of the company's total shares outstanding in December 2025, down from 131.4% in September 2025.
In percentage terms, this reflects as a holdings change of 3.21% quarter on quarter, and an increase of 37.06% year over year.
During the quarter, 144 institutions bought more GeneDx Holdings shares, 97 sold shares, and 29 of the 270 total investors held their position steady.
The total number of shares held by institutions in GeneDx Holdings increased to 28.19Mn as of December 2025, a net change of up by 876.18K shares quarter on quarter, and up 4.68Mn shares year over year.
Corvex Management LP's holding of 3.06Mn shares as of December 31, 2025 makes it the primary institutional investor in GeneDx Holdings, owning 13.22% of the stock.
Among the most significant buyers of GeneDx Holdings during December 2025 were WESTFIELD CAPITAL MANAGEMENT CO LP (474.17K), FRANKLIN RESOURCES INC (411.61K), FMR LLC (329.43K), NOMURA ASSET MANAGEMENT INTERNATIONAL INC. (227.28K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (227.09K).
Leading sellers of GeneDx Holdings stock in December 2025 included T. Rowe Price Investment Management, Inc. (581.51K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (410.93K), Pentwater Capital Management LP (375.00K), JENNISON ASSOCIATES LLC (296.28K), JANE STREET GROUP, LLC (212.87K).
The top 10 institutional holders of GeneDx Holdings for the quarter ending December 2025 included Corvex Management LP (3.06Mn), Casdin Capital, LLC (3.01Mn), BlackRock, Inc. (1.56Mn), GOLDMAN SACHS GROUP INC (1.22Mn), VANGUARD GROUP INC (1.19Mn), FRANKLIN RESOURCES INC (1.09Mn), WESTFIELD CAPITAL MANAGEMENT CO LP (1.02Mn), SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC (920.59K), FMR LLC (832.74K), WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (809.21K).

270 Institutional Holders

6,361,481 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Corvex Management LP	31 Dec, 2025	3,058,629	0	0.00%	$397,805,288.00
Casdin Capital, LLC	31 Dec, 2025	3,007,164	0	0.00%	$391,111,750.00
BlackRock, Inc.	31 Dec, 2025	1,560,094	31,019	2.03%	$202,905,825.00
GOLDMAN SACHS GROUP INC	31 Dec, 2025	1,220,502	52,322	4.48%	$158,738,491.00
VANGUARD GROUP INC	31 Dec, 2025	1,189,069	18,647	1.59%	$154,650,315.00
FRANKLIN RESOURCES INC	31 Dec, 2025	1,092,988	411,607	60.41%	$142,154,023.00
WESTFIELD CAPITAL MANAGEMENT CO LP	31 Dec, 2025	1,018,261	474,167	87.15%	$132,435,026.00
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC	31 Dec, 2025	920,587	97,020	11.78%	$119,731,545.00
FMR LLC	31 Dec, 2025	832,738	329,429	65.45%	$108,305,906.00
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	809,210	-410,928	-33.68%	$105,245,853.00
ARK Investment Management LLC	31 Dec, 2025	604,561	157,582	35.25%	$78,629,240.00
Zweig-DiMenna Associates LLC	31 Dec, 2025	597,825	-4,475	-0.74%	$77,753,120.00
LORD, ABBETT & CO. LLC	31 Dec, 2025	518,304	-7,073	-1.35%	$67,411.00
MORGAN STANLEY	31 Dec, 2025	506,091	38,279	8.18%	$65,822,282.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	504,567	15,170	3.10%	$65,635,200.00
STATE STREET CORP	31 Dec, 2025	456,258	16,452	3.74%	$59,340,915.00
DRIEHAUS CAPITAL MANAGEMENT LLC	31 Dec, 2025	395,323	-14,707	-3.59%	$51,415,709.00
WELLINGTON MANAGEMENT GROUP LLP	31 Dec, 2025	384,750	-10,981	-2.77%	$50,040,585.00
Sumitomo Mitsui Trust Group, Inc.	31 Dec, 2025	381,725	89,470	30.61%	$49,647,154.00
Amova Asset Management Americas, Inc.	31 Dec, 2025	381,725	89,470	30.61%	$49,647,154.00

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