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GeneDx Holdings

240 hedge funds and large institutions have $2.01B invested in GeneDx Holdings in 2026 Q1 according to their latest regulatory filings, with 43 funds opening new positions, 100 increasing their positions, 71 reducing their positions, and 83 closing their positions.

New
Increased
Maintained
Reduced
Closed

128% more call options, than puts

Call options by funds: $34.2M | Put options by funds: $15M

41% more repeat investments, than reductions

Existing positions increased: 100 | Existing positions reduced: 71

0.51% less ownership

Funds ownership: 107.22%106.7% (-0.51%)

16% less funds holding

Funds holding: 286240 (-46)

42% less funds holding in top 10

Funds holding in top 10: 127 (-5)

48% less first-time investments, than exits

New positions opened: 43 | Existing positions closed: 83

50% less capital invested

Capital invested by funds: $4.03B → $2.01B (-$2.02B)

Holders
240
Holders Change
-46
Holders Change %
-16.08%
% of All Funds
2.95%
Holding in Top 10
7
Holding in Top 10 Change
-5
Holding in Top 10 Change %
-41.67%
% of All Funds
0.09%
New
43
Increased
100
Reduced
71
Closed
83
Calls
$34.2M
Puts
$15M
Net Calls
+$19.2M
Net Calls Change
+$25.2M
Name Holding Trade Value Shares
Change
Change in
Stake
CM
1
Corvex Management
New York
$207M +$15.5M +169,520 +6%
CC
2
Casdin Capital
New York
$193M
BlackRock
3
BlackRock
New York
$99.6M -$856K -9,386 -0.6%
Westfield Capital Management
4
Westfield Capital Management
Massachusetts
$87.9M +$32M +350,847 +34%
Goldman Sachs
5
Goldman Sachs
New York
$85.7M +$10.4M +114,478 +9%
AIM
6
ARK Investment Management
Florida
$85.1M +$65.7M +720,022 +119%
VCM
7
Vanguard Capital Management
Pennsylvania
$55.1M +$78.3M +858,583 New
William Blair Investment Management
8
William Blair Investment Management
Illinois
$49.8M -$3.09M -33,941 -4%
ZDA
9
Zweig-DiMenna Associates
New York
$44.3M +$8.34M +91,465 +15%
Citadel Advisors
10
Citadel Advisors
Florida
$41.6M +$42.4M +465,050 +255%
NAMA
11
Nikko Asset Management Americas
New York
$41M +$23.4M +257,075 +67%
Sumitomo Mitsui Trust Group
12
Sumitomo Mitsui Trust Group
Japan
$40.7M +$23M +251,732 +66%
Franklin Resources
13
Franklin Resources
California
$39M -$44.3M -485,767 -44%
Raymond James Financial
14
Raymond James Financial
Florida
$38.8M +$9.55M +104,732 +21%
Geode Capital Management
15
Geode Capital Management
Massachusetts
$35.3M +$4.07M +44,580 +9%
Invesco
16
Invesco
Georgia
$34.7M -$22.5M -246,237 -31%
Morgan Stanley
17
Morgan Stanley
New York
$34.2M +$2.38M +26,144 +5%
PM
18
Prosight Management
Texas
$33.6M +$42.7M +468,463 +852%
SPPAM
19
Summit Partners Public Asset Management
Massachusetts
$30.8M -$40.2M -441,169 -48%
State Street
20
State Street
Massachusetts
$30.3M +$1.48M +16,187 +4%
EAM
21
Eventide Asset Management
Massachusetts
$29.5M +$41.9M +459,015 New
Massachusetts Financial Services
22
Massachusetts Financial Services
Massachusetts
$23.1M +$14.6M +160,052 +80%
Wellington Management Group
23
Wellington Management Group
Massachusetts
$21.9M -$3.99M -43,745 -11%
Capital International Investors
24
Capital International Investors
California
$20.8M +$3.77M +41,340 +15%
Bank of New York Mellon
25
Bank of New York Mellon
New York
$20.3M +$8.02M +87,922 +39%

WGS Hedge Fund Activity: Q1 2026 in Review

240 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in GeneDx Holdings (WGS) for Q1 2026, worth a combined $2.01B — down 50% from $4.03B a quarter earlier.

Sellers outnumbered buyers: 83 funds closed out of WGS and 43 opened new positions — a net loss of 40 holders — while 71 trimmed existing stakes and 100 added.

The largest buyer was ARK Investment Management, adding an estimated $65.7M. The largest seller was Driehaus Capital Management, exiting entirely with an estimated $51.4M sold.

  • 240 institutional investors held GeneDx Holdings (WGS) as of Q1 2026, down from 286 in Q4 2025.
  • Funds reported $2.01B of GeneDx Holdings stock for Q1 2026, down 50% quarter-over-quarter.
  • 43 funds opened new GeneDx Holdings positions in Q1 2026 and 83 closed out, a net change of -40 holders.
  • The largest GeneDx Holdings buyer in Q1 2026 was ARK Investment Management, an estimated $65.7M added.
  • The largest GeneDx Holdings seller in Q1 2026 was Driehaus Capital Management, an estimated $51.4M sold.

Based on aggregated 13F filings for Q1 2026.