Institutional Ownership
Genedx Holdings Corp
CUSIP 81663L200COM CL AWGSQ1 2026
13D / 13G Filings
22
Schedule 13D/13G on record
Beneficial Filers
8
Distinct reporting persons
Largest Stake
14.2%
Max % of class reported
Institutional Holders
233
13F filers (latest quarter)
Beneficial Owners — Schedule 13D / 13G
22 filings · latest Nov 12, 2025
| # | Filed | Reporting Person | Form | % of Class | Shares | Filing |
|---|---|---|---|---|---|---|
| 1 | Nov 12, 2025 | William Blair Investment Management, LLC | 13G/A | 4.3% | 1.24M | SEC |
| 2 | Aug 26, 2025 | Cmls Holdings LLC | 13D/A | 12.5% | — | SEC |
| 3 | Aug 14, 2025 | Summit Partners Public Asset Management, LLC | 13G/A | 3.0% | 867.3K | SEC |
| 4 | Aug 6, 2025 | Fmr LLC | 13G/A | 0.6% | 163.3K | SEC |
| 5 | Jul 30, 2025 | William Blair Investment Management, LLC | 13G | 5.7% | 1.63M | SEC |
| 6 | May 12, 2025 | Fmr LLC | 13G | 10.0% | 2.79M | SEC |
| 7 | May 9, 2025 | The Goldman Sachs Group, Inc. | 13G/A | 11.0% | 1.11M | SEC |
| 8 | May 7, 2025 | Cmls Holdings LLC | 13D/A | 14.2% | — | SEC |
| 9 | Feb 12, 2025 | Summit Partners Public Asset Management, LLC | 13G | 5.2% | 1.43M | SEC |
| 10 | Feb 5, 2025 | The Goldman Sachs Group, Inc. | 13G | 11.0% | 1.42M | SEC |
12 more beneficial-ownership filings on Premium
See the full Schedule 13D/13G history for Genedx Holdings Corp.
Unlock full historyTop Institutional Holders (13F)
Largest reported positions · latest quarter
| # | Fund | Shares | Value |
|---|---|---|---|
| 1 | Corvex Management LP | 3.23M | $207.31M |
| 2 | Casdin Capital, LLC | 3.01M | $193.12M |
| 3 | Blackrock, Inc. | 1.55M | $99.59M |
| 4 | Westfield Capital Management Co LP | 1.37M | $87.92M |
| 5 | Goldman Sachs Group Inc | 1.33M | $85.73M |
| 6 | Ark Investment Management LLC | 1.32M | $85.06M |
| 7 | William Blair Investment Management, LLC | 775.3K | $49.79M |
| 8 | Zweig-Dimenna Associates LLC | 689.3K | $44.27M |
| 9 | Citadel Advisors LLC | 647.4K | $41.58M |
| 10 | Amova Asset Management Americas, Inc. | 638.8K | $41.02M |