Form
SCHEDULE 13D/A
Active or control-oriented beneficial ownership filing.
CMLS Holdings LLC - 05 May 2025 SCHEDULE 13D/A Report for GENEDX HOLDINGS CORP. Class A common stock, $0.0001 par value per share (WGS)
- Filing manager
- CMLS Holdings LLC
- Reporting owner
- CASDIN ELI
- Beneficially owned shares
- 4,096,095 shares
- Large-stake signal
-
Ownership
14%Beneficial ownership of this reported class.
Shares
4,096,095 sharesShares beneficially owned as disclosed.
Event date
05 May 2025Date tied to the ownership event or amendment.
Accepted by SEC
07 May 2025EDGAR acceptance date.
How to read this large-stake filing
- Schedule 13D/G filings focus on beneficial ownership stakes, not a full portfolio.
- Compare this filing with the holder history and issuer page before treating the percentage as a current position.
- Use amendments to understand whether the disclosed stake increased, decreased, or changed reporting status.
- Class ownership
- 14%
- Symbol
- WGS
- Shares outstanding
- 28,845,739 shares
- SEC form
- SCHEDULE 13D/A
- Accepted by SEC
- 07 May 2025, 16:01:29 UTC
- Event date
- 05 May 2025
- Next SEC filing
- 26 Aug 2025
- Source filing
- View source filing
Ownership signal
CIK-linked ownership evidence from parsed SEC filings.
2 signals
Subject security
Names, identifiers, and filing context for this profile.
2 source fields
Source evidence
Original filing metadata and source links for verification.
5 source fields
Key filing fact
CMLS Holdings LLC disclosed 14% ownership in GENEDX HOLDINGS CORP. Class A common stock, $0.0001 par value per share (WGS) on 05 May 2025.
Key facts
- CMLS Holdings LLC filed SCHEDULE 13D/A for GENEDX HOLDINGS CORP. Class A common stock, $0.0001 par value per share (WGS).
- Disclosed ownership: 14%.
- Date of event: 05 May 2025.
Change
- No earlier schedule filing is available for direct comparison.
- Current filing was accepted on 07 May 2025, 16:01.
Research use
- This page turns one Schedule 13D/G filing into a quick large-stake read before the raw reporting-person rows.
- Use the linked SEC filing as the source of truth for ownership percentages, shares, and reporting-party details.
Evidence
Backed by Schedule 13D/13G
View source filing
Beneficial ownership values are sourced from the original SEC Schedule 13D/13G filing.
Reporting persons
Disclosed reporting parties (10)
Names, ownership percentages, voting power, signatures, titles, and CIKs as disclosed in this Schedule 13D/G filing.
| Name | Ownership | Shares owned | Sole voting power | Shared voting power | Signature | Title | CIK |
|---|---|---|---|---|---|---|---|
| CMLS Holdings LLC | 1.9% | 537,285 | 0 | 537,285 | /s/ Eli Casdin | Eli Casdin / Manager | 0001822257 |
| C-LSH LLC | 1.9% | 537,285 | 0 | 537,285 | /s/ Eli Casdin | Eli Casdin / Managing Member | 0001822233 |
| M-LSH LLC | 1.9% | 537,285 | 0 | 537,285 | /s/ Keith A. Meister | Keith A. Meister / Managing Member | 0001822736 |
| CASDIN CAPITAL, LLC | 12% | 3,507,164 | 0 | 3,507,164 | /s/ Eli Casdin | Eli Casdin / Managing Member | 0001534261 |
| Casdin Partners FO1-MSV, LP | 0% | 0 | 0 | 0 | /s/ Eli Casdin | Eli Casdin / Managing Member of Casdin Partners GP, LLC, its general partner | 0001938709 |
| CASDIN PARTNERS MASTER FUND, L.P. | 12% | 3,507,164 | 0 | 3,507,164 | /s/ Eli Casdin | Eli Casdin / Managing Member of Casdin Partners GP, LLC, its general partner | 0001534265 |
| Casdin Partners GP, LLC | 12% | 3,526,411 | 0 | 3,526,411 | /s/ Eli Casdin | Eli Casdin / Managing Member | 0001534260 |
| CASDIN ELI | 14% | 4,096,095 | 32,399 | 4,063,696 | /s/ Eli Casdin | Eli Casdin / Self | 0001534264 |
| Keith A. Meister | 12% | 3,477,250 | 2,939,965 | 537,285 | /s/ Keith Meister | Keith Meister / Self | 0001307631 |
| Corvex Management LP | 10% | 2,908,629 | 2,908,629 | 0 | /s/ Keith Meister | Keith Meister / Managing Partner | 0001535472 |
CIK / CUSIP context first