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Portolan Capital Management’s GeneDx Holdings WGS Stock Holding History

Portolan Capital Management’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 		$13.8M Buy
200,315
+97,740
+95% +$5.55M 0.51% 69
2026
Q1 		$6.59M Buy
102,575
+46,799
+84% +$4.27M 0.35% 82
2025
Q4 		$7.25M Buy
55,776
+11,728
+27% +$1.61M 0.39% 84
2025
Q3 		$4.75M Sell
44,048
-118,180
-73% -$12.9M 0.26% 96
2025
Q2 		$15M Buy
+162,228
New +$12.7M 0.94% 38

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 40.89% 1-Year Est. Return
FLAM
First Light Asset Management Edina, Minnesota $1.65B AUM 203.21% 1-Year Est. Return

Portolan Capital Management's WGS Position: Q2 2026 in Review

Portolan Capital Management increased its GeneDx Holdings (WGS) stake by 95% in Q2 2026, buying an estimated $5.55M and bringing the position to 200,315 shares worth $13.8M. The position accounts for 0.51% of the portfolio, ranked #69.

Portolan Capital Management first reported a position in WGS in Q2 2025 and has held it in 5 quarters since. The position peaked at $15M in Q2 2025. 223 funds tracked by Wall St. Rank hold WGS as of Q2 2026.

  • Portolan Capital Management held 200,315 shares of GeneDx Holdings worth $13.8M as of Q2 2026.
  • Portolan Capital Management bought 97,740 GeneDx Holdings shares in Q2 2026, an estimated $5.55M.
  • GeneDx Holdings made up 0.51% of Portolan Capital Management's portfolio in Q2 2026, its #69 holding.
  • Portolan Capital Management first reported a position in GeneDx Holdings in Q2 2025 and has held it in 5 quarters since.
  • Portolan Capital Management's GeneDx Holdings position peaked at $15M in Q2 2025.
  • 223 funds tracked by Wall St. Rank held GeneDx Holdings as of Q2 2026.

Based on Portolan Capital Management's 13F filing for Q2 2026, filed 14 Aug 2026.