WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC

Holdings History for GeneDx Holdings Corp. - Common Stock (WGS)

Symbol: WGS on Nasdaq
Investment type: Equity / Common Stock
Latest Disclosed Shares Owned: 1,235,681 shares
Security Ownership %: 4.3%

Shares, Excluding Options vs Price

Value, Excluding Options

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership in GeneDx Holdings Corp. Common Stock (WGS)

12 Nov 2025 - WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC has filed an SCHEDULE 13G/A form with the Securities and Exchange Commission (SEC) disclosing ownership of 1,235,681 shares of GeneDx Holdings Corp. Common Stock (WGS). This represents 4.3% ownership of the company. In their previous filing dated 30 Jul 2025, WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC had reported owning 1,631,402 shares, indicating a decrease of +24%. .

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filing time
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	4.3%	-23%	$133,132,271	1,235,681	-395,721	-24%	$107.74	13G/A	30 Sep 2025	12 Nov 2025, 18:14
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	5.7%		$150,594,719	1,631,402			$92.31	13G	30 Jun 2025	30 Jul 2025, 12:19

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
31 Dec 2025	0.29%	-0.15%	$105,245,853	809,210	-410,928	-34%	$130.06	Q4 2025
30 Sep 2025	0.34%	-0.11%	$131,457,668	1,220,138	-411,264	-25%	$107.74	Q3 2025
30 Jun 2025	0.4%	+0.11%	$150,594,719	1,631,402	+442,414	+37%	$92.31	Q2 2025
31 Mar 2025	0.3%	+0.13%	$105,302,722	1,188,988	+518,993		$88.56	Q1 2025
31 Dec 2024	0.13%	+0.13%	$51,495,816	669,995	+669,995	NEW	$76.86	Q4 2024

* Reported Price is the price of the security as of the portfolio date. This value is significant in that it is the last known price at which the security was still held.
An asterisk sign (*) next to the price indicates that the price is likely invalid.