GeneDx Holdings
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.
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
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Westfield Capital Management
Boston,
Massachusetts
|
+$65.1M |
| 2 |
Franklin Resources
San Mateo,
California
|
+$56.5M |
| 3 |
Fidelity Investments
Boston,
Massachusetts
|
+$45.2M |
| 4 |
Invesco
Atlanta,
Georgia
|
+$40.1M |
| 5 |
UBS AM
Chicago,
Illinois
|
+$31.2M |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
William Blair Investment Management
Chicago,
Illinois
|
-$56.4M |
| 2 |
PCM
Pentwater Capital Management
Naples,
Florida
|
-$51.5M |
| 3 |
Jennison Associates
New York
|
-$40.7M |
| 4 |
Macquarie Group
Sydney, NSW 2000,
Australia
|
-$29M |
| 5 |
T. Rowe Price Investment Management
Baltimore,
Maryland
|
-$18.4M |
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.