Zweig-DiMenna Associates’s GeneDx Holdings WGS Stock Holding History

Zweig-DiMenna Associates’s Portfolio WGS Stock Details WGS Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q2	$39.3M	Sell	571,950 -117,340	-17%	-$6.67M	3.56%	4
2026 Q1	$44.3M	Buy	689,290 +91,465	+15%	+$8.34M	6.13%	2
2025 Q4	$77.8M	Sell	597,825 -4,475	-0.7%	-$614K	4.83%	3
2025 Q3	$64.9M	Buy	602,300 +16,200	+3%	+$1.76M	4.54%	4
2025 Q2	$54.1M	Buy	586,100 +129,000	+28%	+$10.1M	5.12%	3
2025 Q1	$40.5M	Buy	457,100 +147,600	+48%	+$12.8M	6.41%	2
2024 Q4	$23.8M	Buy	+309,500	New	+$21.6M	1.78%	15
2023 Q1	–	Sell	-43,042	Closed	-$375K	–	127
2022 Q4	$375K	Buy	43,042 +2,439	+6%	+$53.7K	0.05%	102
2022 Q3	$1.18M	Buy	40,603 +1,667	+4%	+$76.3K	0.26%	69
2022 Q2	$1.62M	Buy	38,936 +10,593	+37%	+$719K	0.31%	76
2022 Q1	$2.87M	Buy	28,343 +7,288	+35%	+$810K	0.38%	71
2021 Q4	$3.1M	Buy	21,055 +11,919	+130%	+$2.66M	0.25%	88
2021 Q3	$2.29M	Buy	9,136 +76	+0.8%	+$26.1K	0.16%	114
2021 Q2	$4.19M	Buy	+9,060	New	+$3.89M	0.25%	108

Other funds holding WGS

Corvex Management New York $3.27B AUM 38.53% 1-Year Est. Return

Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

AIM

ARK Investment Management St. Petersburg, Florida $15.4B AUM 50.29% 1-Year Est. Return

William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM

Citadel Advisors Miami, Florida $875B AUM 40.91% 1-Year Est. Return

FLAM

First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Zweig-DiMenna Associates's WGS Position: Q2 2026 in Review

Zweig-DiMenna Associates reduced its GeneDx Holdings (WGS) stake by 17% in Q2 2026, selling an estimated $6.67M and leaving 571,950 shares worth $39.3M. The position accounts for 3.56% of the portfolio, ranked #4.

Zweig-DiMenna Associates first reported a position in WGS in Q2 2021 and has held it in 14 quarters since. The position peaked at $77.8M in Q4 2025. 223 funds tracked by Wall St. Rank hold WGS as of Q2 2026.

Zweig-DiMenna Associates held 571,950 shares of GeneDx Holdings worth $39.3M as of Q2 2026.
Zweig-DiMenna Associates sold 117,340 GeneDx Holdings shares in Q2 2026, an estimated $6.67M.
GeneDx Holdings made up 3.56% of Zweig-DiMenna Associates's portfolio in Q2 2026, its #4 holding.
Zweig-DiMenna Associates first reported a position in GeneDx Holdings in Q2 2021 and has held it in 14 quarters since.
Zweig-DiMenna Associates's GeneDx Holdings position peaked at $77.8M in Q4 2025.
223 funds tracked by Wall St. Rank held GeneDx Holdings as of Q2 2026.

Based on Zweig-DiMenna Associates's 13F filing for Q2 2026, filed 13 Aug 2026.