GeneDx Holdings Corp.

WGSNASDAQ

$76.27+3.18 (+4.35%)as of Oct 5, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

GeneDx Holdings Corp. price and activity chart data

Showing the 1Y range: Oct 6, 2025 to Oct 5, 2026. Price (-36.5%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
Corvex Management LP	16.05%	$328M	10.03%	Add 48.21%
Casdin Capital, LLC	12.44%	$254M	12.74%	Add 23.28%
BlackRock, Inc.	5.73%	$117M	0.00%	Not reported
Goldman Sachs Group Inc	5.60%	$115M	0.01%	Not reported
ARK Investment Management LLC	5.40%	$111M	0.72%	Add 21.56%
William Blair Investment Management, LLC	4.70%	$96.2M	0.29%	Add 80.67%
Morgan Stanley	3.32%	$67.8M	0.00%	Not reported
Vanguard Capital Management LLC	2.95%	$60.3M	0.00%	Not reported
Citadel Advisors LLC	2.90%	$59.4M	0.01%	Not reported
First Light Asset Management, LLC	2.63%	$53.8M	3.27%	Add 222.70%
Deep Track Capital, LP	2.35%	$48.1M	0.70%	New Not reported
Sumitomo Mitsui Trust Group, Inc.	2.24%	$45.8M	0.03%	Add 5.23%
Amova Asset Management Americas, Inc.	2.24%	$45.7M	0.59%	Add 4.35%
Assenagon Asset Management S.A.	2.04%	$41.7M	0.03%	Not reported
Zweig-DiMenna Associates LLC	1.92%	$39.3M	3.56%	Not reported
Geode Capital Management, LLC	1.85%	$37.9M	0.00%	Not reported
State Street Corp	1.77%	$36.2M	0.00%	Not reported
Gagnon Securities LLC	1.76%	$36M	6.94%	Add 73.14%
Aberdeen Group plc	1.53%	$31.4M	0.04%	Add 98.70%
Wellington Management Group LLP	1.17%	$23.9M	0.00%	Add 2.03%
Bank of America Corp	1.16%	$23.8M	0.00%	Not reported
Dimensional Fund Advisors LP	0.94%	$19.3M	0.00%	Not reported
Norges Bank	0.92%	$18.7M	0.00%	Not reported
Eventide Asset Management, LLC	0.90%	$18.5M	0.25%	Reduce 41.28%
UBS Group AG	0.70%	$14.3M	0.00%	Not reported
Ameriprise Financial Inc	0.70%	$14.3M	0.00%	Not reported
Jane Street Group, LLC	0.69%	$14M	0.00%	Not reported
Ashford Capital Management Inc	0.68%	$13.9M	1.49%	Add 15.74%
Portolan Capital Management, LLC	0.67%	$13.8M	0.51%	Add 95.29%
Vanguard Portfolio Management LLC	0.66%	$13.6M	0.00%	Not reported
Alamea Verwaltungs GmbH	0.62%	$12.8M	10.20%	Not reported
Northern Trust Corp	0.62%	$12.6M	0.00%	Not reported
Charles Schwab Investment Management Inc	0.60%	$12.2M	0.00%	Not reported
Gagnon Advisors, LLC	0.60%	$12.2M	7.76%	Add 20.00%
Millennium Management LLC	0.52%	$10.7M	0.00%	Not reported
Vanguard Fiduciary Trust Co	0.51%	$10.5M	0.00%	Not reported
Rockefeller Capital Management L.P.	0.51%	$10.4M	0.02%	Not reported
Susquehanna International Group, LLP	0.48%	$9.77M	0.00%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	0.47%	$9.71M	0.01%	New Not reported
BNP Paribas Financial Markets	0.42%	$8.49M	0.00%	Not reported
Raymond James Financial Inc	0.41%	$8.47M	0.00%	Not reported
Silverarc Capital Management, LLC	0.41%	$8.39M	0.87%	New Not reported
Royce & Associates LP	0.38%	$7.7M	0.06%	Not reported
Tudor Investment Corp Et Al	0.37%	$7.47M	0.01%	Not reported
Fred Alger Management, LLC	0.36%	$7.45M	0.02%	Reduce 46.48%
Science & Technology Partners, L.P.	0.36%	$7.3M	1.23%	Reduce 55.89%
Thrivent Financial for Lutherans	0.34%	$7M	0.01%	Reduce 33.65%
Point72 Asset Management, L.P.	0.33%	$6.68M	0.01%	Not reported
Barclays PLC	0.33%	$6.68M	0.00%	Not reported
Toronto Dominion Bank	0.30%	$6.05M	0.01%	Not reported

50 of 209 holders

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