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Gagnon Advisors’s GeneDx Holdings WGS Stock Holding History

Gagnon Advisors’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 		$12.2M Buy
177,870
+29,645
+20% +$1.68M 7.76% 4
2026
Q1 		$9.52M Buy
148,225
+21,163
+17% +$1.93M 7% 6
2025
Q4 		$16.5M Hold
127,062
– – 10.49% 1
2025
Q3 		$13.7M Hold
127,062
– – 8.45% 2
2025
Q2 		$11.7M Hold
127,062
– – 7.88% 1
2025
Q1 		$11.3M Sell
127,062
-60,556
-32% -$5.25M 7.94% 2
2024
Q4 		$14.4M Sell
187,618
-67,441
-26% -$4.71M 9.23% 1
2024
Q3 		$10.8M Hold
255,059
– – 6.99% 3
2024
Q2 		$6.67M Buy
255,059
+43,666
+21% +$828K 5.08% 6
2024
Q1 		$1.93M Buy
211,393
+62,059
+42% +$373K 1.67% 20
2023
Q4 		$411K Hold
149,334
– – 0.36% 24
2023
Q3 		$544K Buy
149,334
+15
+0% +$82 0.45% 26
2023
Q2 		$890K Buy
149,319
+19,019
+15% +$151K 0.6% 27
2023
Q1 		$1.57M Buy
130,300
+107,903
+482% +$1.44M 1.05% 24
2022
Q4 		$195K Hold
22,397
– – 0.13% 28
2022
Q3 		$649K Sell
22,397
-22,397
-50% -$1.03M 0.42% 29
2022
Q2 		$1.86M Hold
44,794
– – 1.13% 26
2022
Q1 		$4.54M Buy
44,794
+22,397
+100% +$2.49M 2.09% 21
2021
Q4 		$3.3M Buy
22,397
+11,172
+100% +$2.5M 1.31% 24
2021
Q3 		$2.81M Buy
+11,225
New +$3.86M 1.12% 28

Other funds holding WGS

CM
Corvex Management New York $3.27B AUM 38.53% 1-Year Est. Return
CC
Casdin Capital New York $2B AUM 147.21% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Goldman Sachs
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
William Blair Investment Management Chicago, Illinois $33.3B AUM 44.76% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Citadel Advisors
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

Gagnon Advisors's WGS Position: Q2 2026 in Review

Gagnon Advisors increased its GeneDx Holdings (WGS) stake by 20% in Q2 2026, buying an estimated $1.68M and bringing the position to 177,870 shares worth $12.2M. The position accounts for 7.76% of the portfolio, ranked #4.

Gagnon Advisors first reported a position in WGS in Q3 2021 and has held it in 20 quarters since. The position peaked at $16.5M in Q4 2025. 223 funds tracked by Wall St. Rank hold WGS as of Q2 2026.

  • Gagnon Advisors held 177,870 shares of GeneDx Holdings worth $12.2M as of Q2 2026.
  • Gagnon Advisors bought 29,645 GeneDx Holdings shares in Q2 2026, an estimated $1.68M.
  • GeneDx Holdings made up 7.76% of Gagnon Advisors's portfolio in Q2 2026, its #4 holding.
  • Gagnon Advisors first reported a position in GeneDx Holdings in Q3 2021 and has held it in 20 quarters since.
  • Gagnon Advisors's GeneDx Holdings position peaked at $16.5M in Q4 2025.
  • 223 funds tracked by Wall St. Rank held GeneDx Holdings as of Q2 2026.

Based on Gagnon Advisors's 13F filing for Q2 2026, filed 5 Aug 2026.