Companies / GeneDx Holdings Corp.
GeneDx Holdings Corp.
Nasdaq: WGSCIK 1818331STAMFORD, CT
Financials · FY2025
Ownership
29.8M shares outstanding · as of Jul 27, 2026
Ownership
| Insiders | 16.70% | 4,979,451 |
| Institutions | 106.97% | 31,902,455 |
| Public float | 0.00% | 0 |
Reported holdings exceed shares outstanding — public float shown as 0; some positions may overlap or lag.
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 6
View all →| Insider | % of shares | Shares |
|---|---|---|
Meister Keith A.Director · 10% owner | 16.12% | 4,808,275 |
Stueland KatherineCEOCHIEF EXECUTIVE OFFICER · Director | 0.31% | 91,514 |
Pfenniger Richard C JrDirector | 0.15% | 45,082 |
Feeley KevinCHIEF FINANCIAL OFFICER | 0.12% | 34,580 |
Dechairo BryanChief Operating Officer | 0.00% | 0 |
Corvex Management LPDirector · 10% owner | — | — |
Institutional holders 292
View all →| Holder | Value | % of shares |
|---|---|---|
| $397.81M | 10.26% | |
| $391.11M | 10.08% | |
| $158.74M | 4.09% | |
| $154.65M | 3.99% | |
| $142.15M | 3.66% | |
| $119.73M | 3.09% | |
| $117.13M | 5.72% | |
| $115.06M | 2.97% | |
| $108.31M | 2.79% | |
| $105.25M | 2.71% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | AllianceBernstein L.P. 13F manager | Trim | Common stock | $-30.36M | -233K -92.09% | 20,050 0.07% of shares | medium |
| Q1 2026 as of | Next Century Growth Investors LLC 13F manager | Exit | Common stock | $-22.55M | -173K -100.00% | 0 | medium |
| Q1 2026 as of | Westfield Capital Management Company, L.P. 13F manager | Add | Common stock | $22.53M | +351K +34.46% | 1,369,108 4.59% of shares | medium |
| Q2 2026 as of | BlackRock, Inc. 13F manager | Add | Common stock | $10.03M | +146K +9.37% | 1,706,239 5.72% of shares | medium |
| Q1 2026 as of | RA Capital Management, L.P. 13F manager | Add | Common stock | $9.75M | +152K +261.60% | 209,887 0.70% of shares | medium |
| Q1 2026 as of | Castleark Management LLC 13F manager | Exit | Common stock | $-9.63M | -74K -100.00% | 0 | medium |
| Q1 2026 as of | Norges Bank 13F manager | Exit | Common stock | $-8.84M | -68K -100.00% | 0 | medium |
| Q4 2025 as of | Farallon Capital Management LLC 13F manager | Add | Common stock | $8.45M | +65K +1300.00% | 70,000 0.23% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| ARK Investment Management LLC | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| WGS | — | 81663L200 |