BlackRock
WGS icon

BlackRock’s GeneDx Holdings WGS Stock Holding History

BlackRock’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
Q1 		$99.6M Sell
1,550,708
-9,386
-0.6% -$856K ﹤0.01% 2111
2025
Q4 		$203M Buy
1,560,094
+31,019
+2% +$4.26M ﹤0.01% 1680
2025
Q3 		$165M Buy
1,529,075
+94,441
+7% +$10.3M ﹤0.01% 1783
2025
Q2 		$132M Buy
1,434,634
+287,279
+25% +$22.6M ﹤0.01% 1866
2025
Q1 		$102M Sell
1,147,355
-32,457
-3% -$2.82M ﹤0.01% 1981
2024
Q4 		$90.7M Buy
1,179,812
+113,610
+11% +$7.94M ﹤0.01% 2135
2024
Q3 		$45.2M Buy
1,066,202
+141,633
+15% +$4.78M ﹤0.01% 2528
2024
Q2 		$24.2M Buy
924,569
+677,644
+274% +$12.8M ﹤0.01% 2857
2024
Q1 		$2.25M Buy
246,925
+12,953
+6% +$77.8K ﹤0.01% 3968
2023
Q4 		$643K Hold
233,972
– – ﹤0.01% 4365
2023
Q3 		$852K Sell
233,972
-29,329
-11% -$161K ﹤0.01% 4285
2023
Q2 		$1.57M Sell
263,301
-419,116
-61% -$3.32M ﹤0.01% 4152
2023
Q1 		$8.22M Buy
682,417
+294,841
+76% +$3.93M ﹤0.01% 3420
2022
Q4 		$3.37M Sell
387,576
-19,472
-5% -$429K ﹤0.01% 3902
2022
Q3 		$11.8M Buy
407,048
+21,304
+6% +$975K ﹤0.01% 3339
2022
Q2 		$16M Buy
385,744
+311,302
+418% +$21.1M ﹤0.01% 3208
2022
Q1 		$7.54M Buy
74,442
+4,054
+6% +$451K ﹤0.01% 3730
2021
Q4 		$10.4M Buy
70,388
+19,789
+39% +$4.42M ﹤0.01% 3651
2021
Q3 		$12.7M Buy
50,599
+50,513
+58,736% +$17.3M ﹤0.01% 3571
2021
Q2 		$40K Buy
+86
New +$36.9K ﹤0.01% 5216

Other funds holding WGS

CM
Corvex Management New York $2.52B AUM 25.53% 1-Year Est. Return
CC
Casdin Capital New York $1.32B AUM 76.62% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $871B AUM 31.28% 1-Year Est. Return
AIM
ARK Investment Management St. Petersburg, Florida $12.9B AUM 64.92% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
William Blair Investment Management
William Blair Investment Management Chicago, Illinois $30.3B AUM 33.75% 1-Year Est. Return
ZDA
Zweig-DiMenna Associates New York $722M AUM 97.69% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $618B AUM 30.34% 1-Year Est. Return
NAMA
Nikko Asset Management Americas New York $7.07B AUM 50.91% 1-Year Est. Return

BlackRock's WGS Position: Q1 2026 in Review

BlackRock reduced its GeneDx Holdings (WGS) stake by 0.6% in Q1 2026, selling an estimated $856K and leaving 1,550,708 shares worth $99.6M. The position accounts for ﹤0.01% of the portfolio, ranked #2111.

BlackRock first reported a position in WGS in Q2 2021 and has held it in 20 quarters since. The position peaked at $203M in Q4 2025. 240 funds tracked by Wall St. Rank hold WGS as of Q1 2026.

  • BlackRock held 1,550,708 shares of GeneDx Holdings worth $99.6M as of Q1 2026.
  • BlackRock sold 9,386 GeneDx Holdings shares in Q1 2026, an estimated $856K.
  • GeneDx Holdings made up ﹤0.01% of BlackRock's portfolio in Q1 2026, its #2111 holding.
  • BlackRock first reported a position in GeneDx Holdings in Q2 2021 and has held it in 20 quarters since.
  • BlackRock's GeneDx Holdings position peaked at $203M in Q4 2025.
  • 240 funds tracked by Wall St. Rank held GeneDx Holdings as of Q1 2026.

Based on BlackRock's 13F filing for Q1 2026, filed 13 May 2026.