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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
Macquarie Group
26
Macquarie Group
Australia
$29.3M -$3.47M -44,148 -12%
STP
27
Science & Technology Partners
New York
$29.3M +$3.19M +40,635 +15%
DCM
28
Driehaus Capital Management
Illinois
$28M -$11.9M -151,501 -33%
Citadel Advisors
29
Citadel Advisors
Florida
$25.1M +$19.1M +243,831 +859%
GS
30
Gagnon Securities
New York
$25M -$1.07M -13,678 -5%
Ameriprise
31
Ameriprise
Minnesota
$23.6M +$8.69M +110,684 +76%
Massachusetts Financial Services
32
Massachusetts Financial Services
Massachusetts
$21.7M +$18.5M +235,085 New
AV
33
Alamea Verwaltungs
New Jersey
$20.7M +$1.01M +12,924 +6%
NCGI
34
Next Century Growth Investors
Minnesota
$20.5M -$15.3M -195,427 -47%
Northern Trust
35
Northern Trust
Illinois
$19.8M +$2.34M +29,795 +16%
PHP
36
Parkman Healthcare Partners
Connecticut
$16.2M +$13.7M +175,000 New
SSA
37
Schonfeld Strategic Advisors
New York
$15.9M +$13.5M +172,383 New
ACM
38
Ashford Capital Management
Delaware
$15.8M +$6.07M +77,310 +82%
Charles Schwab
39
Charles Schwab
California
$15.5M +$1.62M +20,696 +14%
Fidelity Investments
40
Fidelity Investments
Massachusetts
$15.1M -$207M -2,630,629 -94%
OAM
41
Oberweis Asset Management
Illinois
$15M +$3.09M +39,400 +32%
PCM
42
Portolan Capital Management
Massachusetts
$15M +$12.7M +162,228 New
Bank of America
43
Bank of America
North Carolina
$14.4M +$7.49M +95,389 +157%
Aberdeen Group
44
Aberdeen Group
United Kingdom
$12.6M +$10.7M +136,732 New
GA
45
Gagnon Advisors
New York
$11.7M
Dimensional Fund Advisors
46
Dimensional Fund Advisors
Texas
$11.5M +$8.62M +109,829 +736%
Two Sigma Investments
47
Two Sigma Investments
New York
$11.3M +$7.41M +94,391 +333%
VOYA Investment Management
48
VOYA Investment Management
Georgia
$10.8M +$8.63M +109,908 +1,612%
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
49
Healthcare of Ontario Pension Plan (HOOPP) Trust Fund
Ontario, Canada
$9.82M -$7.08M -90,200 -46%
TCM
50
Tang Capital Management
California
$9.23M +$7.85M +100,000 New

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.