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GeneDx Holdings

231 hedge funds and large institutions have $2.91B invested in GeneDx Holdings in 2025 Q2 according to their latest regulatory filings, with 55 funds opening new positions, 87 increasing their positions, 63 reducing their positions, and 48 closing their positions.

New
Increased
Maintained
Reduced
Closed

38% more repeat investments, than reductions

Existing positions increased: 87 | Existing positions reduced: 63

16% more capital invested

Capital invested by funds: $2.52B → $2.91B (+$392M)

15% more first-time investments, than exits

New positions opened: 55 | Existing positions closed: 48

9.18% more ownership

Funds ownership: 101.24%110.41% (+9.2%)

3% more funds holding

Funds holding: 225231 (+6)

8% less funds holding in top 10

Funds holding in top 10: 1211 (-1)

16% less call options, than puts

Call options by funds: $210M | Put options by funds: $252M

Holders
231
Holders Change
+6
Holders Change %
+2.67%
% of All Funds
3.04%
Holding in Top 10
11
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-8.33%
% of All Funds
0.14%
New
55
Increased
87
Reduced
63
Closed
48
Calls
$210M
Puts
$252M
Net Calls
-$41.1M
Net Calls Change
-$78.4M
Name Holding Trade Value Shares
Change
Change in
Stake
CC
1
Casdin Capital
New York
$324M
CM
2
Corvex Management
New York
$282M +$45.9M +584,848 +24%
William Blair Investment Management
3
William Blair Investment Management
Illinois
$151M +$34.7M +442,414 +37%
BlackRock
4
BlackRock
New York
$132M +$22.6M +287,279 +25%
PCM
5
Pentwater Capital Management
Florida
$113M +$93.3M +1,188,000 +3,713%
Vanguard Group
6
Vanguard Group
Pennsylvania
$109M +$11.7M +149,597 +15%
Goldman Sachs
7
Goldman Sachs
New York
$96.9M -$3.14M -39,943 -4%
T. Rowe Price Investment Management
8
T. Rowe Price Investment Management
Maryland
$95.7M +$41.9M +533,383 +106%
UBS Group
9
UBS Group
Switzerland
$92.5M +$74.5M +949,579 +1,821%
OIM
10
Oracle Investment Management
Connecticut
$85.2M -$3.73M -47,500 -5%
FAM
11
Fred Alger Management
New York
$75.7M +$20.7M +263,505 +47%
SPPAM
12
Summit Partners Public Asset Management
Massachusetts
$70.8M -$34.2M -435,264 -36%
Westfield Capital Management
13
Westfield Capital Management
Massachusetts
$54.4M +$28.8M +366,711 +165%
ZDA
14
Zweig-DiMenna Associates
New York
$54.1M +$10.1M +129,000 +28%
Invesco
15
Invesco
Georgia
$51.2M +$12.9M +164,840 +42%
Morgan Stanley
16
Morgan Stanley
New York
$45M +$21.6M +274,604 +129%
Geode Capital Management
17
Geode Capital Management
Massachusetts
$44.7M +$7.22M +91,989 +23%
Lord, Abbett & Co
18
Lord, Abbett & Co
New Jersey
$40.1M +$1.97M +25,136 +6%
State Street
19
State Street
Massachusetts
$38.4M +$5.99M +76,367 +22%
Raymond James Financial
20
Raymond James Financial
Florida
$38.1M +$6.27M +79,847 +24%
Wellington Management Group
21
Wellington Management Group
Massachusetts
$37.5M -$1.5M -19,074 -4%
Jennison Associates
22
Jennison Associates
New York
$36.7M +$30.7M +391,543 +6,163%
AllianceBernstein
23
AllianceBernstein
Tennessee
$35.7M -$3.94M -50,142 -11%
Franklin Resources
24
Franklin Resources
California
$31.1M +$8.99M +114,544 +51%
FCM
25
Farallon Capital Management
California
$30.2M +$1.86M +23,677 +8%

WGS Hedge Fund Activity: Q2 2025 in Review

231 of the 7,595 institutional investors tracked by Wall St. Rank reported a position in GeneDx Holdings (WGS) for Q2 2025, worth a combined $2.91B — up 16% from $2.52B a quarter earlier.

Buyers outnumbered sellers: 55 funds opened new WGS positions and 48 closed out — a net gain of 7 holders — while 87 added to existing stakes and 63 trimmed.

The largest buyer was Pentwater Capital Management, adding an estimated $93.3M. The largest seller was Fidelity Investments, cutting an estimated $207M.

  • 231 institutional investors held GeneDx Holdings (WGS) as of Q2 2025, up from 225 in Q1 2025.
  • Funds reported $2.91B of GeneDx Holdings stock for Q2 2025, up 16% quarter-over-quarter.
  • 55 funds opened new GeneDx Holdings positions in Q2 2025 and 48 closed out, a net change of +7 holders.
  • The largest GeneDx Holdings buyer in Q2 2025 was Pentwater Capital Management, an estimated $93.3M added.
  • The largest GeneDx Holdings seller in Q2 2025 was Fidelity Investments, an estimated $207M sold.

Based on aggregated 13F filings for Q2 2025.