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GeneDx Holdings
WGS

286 hedge funds and large institutions have $4.03B invested in GeneDx Holdings in 2025 Q4 according to their latest regulatory filings, with 59 funds opening new positions, 92 increasing their positions, 101 reducing their positions, and 38 closing their positions.

New
Increased
Maintained
Reduced
Closed

55% more first-time investments, than exits

New positions opened: 59 | Existing positions closed: 38

24% more capital invested

Capital invested by funds: $3.24B → $4.03B (+$784M)

9% more funds holding in top 10

Funds holding in top 10: 11 → 12 (+1)

7% more funds holding

Funds holding: 268 → 286 (+18)

2.42% more ownership

Funds ownership: 104.79% → 107.22% (+2.4%)

6% less call options, than puts

Call options by funds: $102M | Put options by funds: $108M

9% less repeat investments, than reductions

Existing positions increased: 92 | Existing positions reduced: 101

Holders
286
Holders Change
+18
Holders Change %
+6.72%
% of All Funds
3.48%
Holding in Top 10
12
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+9.09%
% of All Funds
0.15%
New
59
Increased
92
Reduced
101
Closed
38
Calls
$102M
Puts
$108M
Net Calls
-$5.95M
Net Calls Change
+$36.2M

Top Buyers

1
Westfield Capital Management
Westfield Capital Management
Massachusetts
+$65.1M
2
Franklin Resources
Franklin Resources
California
+$56.5M
3
Fidelity Investments
Fidelity Investments
Massachusetts
+$45.2M
4
Invesco
Invesco
Georgia
+$40.1M
5
UBS AM
UBS AM
Illinois
+$31.2M

Top Sellers

1
William Blair Investment Management
William Blair Investment Management
Illinois
-$56.4M
2
PCM
Pentwater Capital Management
Florida
-$51.5M
3
Jennison Associates
Jennison Associates
New York
-$40.7M
4
Macquarie Group
Macquarie Group
Australia
-$29M
5
T. Rowe Price Investment Management
T. Rowe Price Investment Management
Maryland
-$18.4M
Name Holding Trade Value Shares
Change 		Change in
Stake
Jennison Associates
26
Jennison Associates
New York
$39.3M -$40.7M -296,277 -50%
Capital International Investors
27
Capital International Investors
California
$36.8M +$25.1M +182,964 +182%
FAM
28
Fred Alger Management
New York
$34.7M -$12.4M -90,666 -25%
UBS AM
29
UBS AM
Illinois
$33.7M +$31.2M +227,088 +717%
GS
30
Gagnon Securities
New York
$33M -$2.13M -15,532 -6%
AllianceBernstein
31
AllianceBernstein
Tennessee
$33M -$14.6M -106,609 -30%
Bank of New York Mellon
32
Bank of New York Mellon
New York
$29.6M +$8.9M +64,837 +40%
NAMI
33
Nomura Asset Management International
Pennsylvania
$29.6M +$31.2M +227,284 New
Assenagon Asset Management
34
Assenagon Asset Management
Luxembourg
$26.8M +$26.3M +191,780 +1,359%
STP
35
Science & Technology Partners
New York
$26.2M -$3.13M -22,809 -10%
Massachusetts Financial Services
36
Massachusetts Financial Services
Massachusetts
$25.9M -$1.42M -10,329 -5%
OAM
37
Oberweis Asset Management
Illinois
$25.9M +$666K +4,850 +3%
Northern Trust
38
Northern Trust
Illinois
$25.8M -$1.08M -7,840 -4%
Citadel Advisors
39
Citadel Advisors
Florida
$23.7M -$1.18M -8,589 -4%
Charles Schwab
40
Charles Schwab
California
$23M +$72.3K +527 +0.3%
NCGI
41
Next Century Growth Investors
Minnesota
$22.6M -$8.33M -60,698 -26%
AV
42
Alamea Verwaltungs
New Jersey
$21.1M -$1.37M -9,999 -5%
ACM
43
Ashford Capital Management
Delaware
$17.2M -$17.8K -130 -0.1%
Bank of America
44
Bank of America
North Carolina
$17.2M -$4.45M -32,395 -20%
GA
45
Gagnon Advisors
New York
$16.5M – – –
Capital Research Global Investors
46
Capital Research Global Investors
California
$16M +$16.8M +122,666 New
Ameriprise
47
Ameriprise
Minnesota
$15.2M -$9.06M -66,010 -36%
Dimensional Fund Advisors
48
Dimensional Fund Advisors
Texas
$14.2M -$2.63M -19,194 -15%
TAM
49
Telemark Asset Management
Massachusetts
$13M -$2.75M -20,000 -17%
UBS Group
50
UBS Group
Switzerland
$11.6M -$8.32M -60,599 -40%
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WGS Hedge Fund Activity: Q4 2025 in Review

286 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in GeneDx Holdings (WGS) for Q4 2025, worth a combined $4.03B — up 24% from $3.24B a quarter earlier.

Buyers outnumbered sellers: 59 funds opened new WGS positions and 38 closed out — a net gain of 21 holders — while 92 added to existing stakes and 101 trimmed.

The largest buyer was Westfield Capital Management, adding an estimated $65.1M. The largest seller was William Blair Investment Management, cutting an estimated $56.4M.

  • 286 institutional investors held GeneDx Holdings (WGS) as of Q4 2025, up from 268 in Q3 2025.
  • Funds reported $4.03B of GeneDx Holdings stock for Q4 2025, up 24% quarter-over-quarter.
  • 59 funds opened new GeneDx Holdings positions in Q4 2025 and 38 closed out, a net change of +21 holders.
  • The largest GeneDx Holdings buyer in Q4 2025 was Westfield Capital Management, an estimated $65.1M added.
  • The largest GeneDx Holdings seller in Q4 2025 was William Blair Investment Management, an estimated $56.4M sold.

Based on aggregated 13F filings for Q4 2025.