William Blair Investment Management, Llc

13F Holdings History for GeneDx Holdings Corp. - Class A common stock, par value $0.0001 per share (WGS)

Symbol: WGS on Nasdaq
Investment type: Equity / Class A common stock, par value $0.0001 per share
Latest Disclosed Ownership: 1.63M shares
Security Ownership: 5.7%

Shares, Excluding Options vs Price

Value, Excluding Options

WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC ownership in GeneDx Holdings Corp. Class A common stock, par value $0.0001 per share (WGS)

2025-07-30 - WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC has filed an SCHEDULE 13G form with the Securities and Exchange Commission (SEC) disclosing ownership of 1.63M shares of GeneDx Holdings Corp. Class A common stock, par value $0.0001 per share (WGS). This represents 5.7% percent ownership of the company.

Reporting Name	Ownership %	Change	Value $	Shares owned	Change	Activity %	Price	Form	Report date	Filed at
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC	5.7%		$102M	1.63M			$62.32	13G	6/30/2025	30 Jul 2025 12:19:17

Holdings date	Weight	Change	Value $	Shares	Change	Activity %	Price	All Holders
6/30/2025	0.4%	+0.11%	$151M	1.63M	+442,414	+37.2%	$92.31	Q2 2025
3/31/2025	0.3%	+0.13%	$105M	1.19M	+518,993		$88.57	Q1 2025
12/31/2024	0.13%	+0.13%	$51.5M	670K	+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.