STAMFORD, CT
GENEDX HOLDINGS CORP.WGS— Latest position per institution from SEC 13F filings
15
Institutional holders
26.82M
Total shares held
1.89B
Estimated value
1.34M
Avg. position size
CORVEX MANAGEMENT LP
CIK 1535472
Shares
4.78M
Value
328.46M
Filed
Jun 30, 2026
CASDIN CAPITAL, LLC
CIK 1534261
Shares
3.71M
Value
254.50M
Filed
Jun 30, 2026
BLACKROCK, INC.
CIK 2012383
Shares
1.71M
Value
117.13M
Filed
Jun 30, 2026
GOLDMAN SACHS GROUP INC
CIK 886982
Shares
1.67M
Value
114.61M
Filed
Jun 30, 2026
ARK INVESTMENT MANAGEMENT LLC
CIK 1697748
Shares
1.61M
Value
110.54M
Filed
Jun 30, 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC
CIK 1644956
Shares
1.40M
Value
96.15M
Filed
Jun 30, 2026
WESTFIELD CAPITAL MANAGEMENT CO LP
CIK 1177719
Shares
1.37M
Value
87.92M
Filed
Mar 31, 2026
VANGUARD GROUP INC
CIK 102909
Shares
1.19M
Value
154.65M
Filed
Dec 31, 2025
CITADEL ADVISORS LLC
CIK 1423053
Shares
1.05M
Value
71.81M
Filed
Jun 30, 2026
MORGAN STANLEY
CIK 895421
Shares
988.30K
Value
67.85M
Filed
Jun 30, 2026
BLACKROCK FINANCE, INC.
CIK 1364742
Shares
924.57K
Value
24.17M
Filed
Jun 30, 2024
ORACLE INVESTMENT MANAGEMENT INC
CIK 1012622
Shares
884.65K
Value
115.06M
Filed
Dec 31, 2025
VANGUARD CAPITAL MANAGEMENT LLC
CIK 2100119
Shares
879K
Value
60.34M
Filed
Jun 30, 2026
FIRST LIGHT ASSET MANAGEMENT, LLC
CIK 1600004
Shares
783.92K
Value
53.82M
Filed
Jun 30, 2026
DEEP TRACK CAPITAL, LP
CIK 1856083
Shares
700K
Value
48.05M
Filed
Jun 30, 2026
SUMITOMO MITSUI TRUST GROUP, INC.
CIK 1475365
Shares
666.58K
Value
45.76M
Filed
Jun 30, 2026
AMOVA ASSET MANAGEMENT AMERICAS, INC.
CIK 1480751
Shares
666.58K
Value
45.70M
Filed
Jun 30, 2026
DEERFIELD MANAGEMENT COMPANY, L.P.
CIK 1009258
Shares
643.11K
Value
5.87M
Filed
Mar 31, 2024
ASSENAGON ASSET MANAGEMENT S.A.
CIK 1546007
Shares
632.41K
Value
45.72M
Filed
Sep 30, 2026
ZWEIG-DIMENNA ASSOCIATES LLC
CIK 1533950
Shares
571.95K
Value
39.26M
Filed
Jun 30, 2026
| # | Institution | CIK | Shares | Est. Value | Period |
|---|---|---|---|---|---|
| 1 | CORVEX MANAGEMENT LP | 1535472 | 4.78M | 328.46M | Jun 30, 2026 |
| 2 | CASDIN CAPITAL, LLC | 1534261 | 3.71M | 254.50M | Jun 30, 2026 |
| 3 | BLACKROCK, INC. | 2012383 | 1.71M | 117.13M | Jun 30, 2026 |
| 4 | GOLDMAN SACHS GROUP INC | 886982 | 1.67M | 114.61M | Jun 30, 2026 |
| 5 | ARK INVESTMENT MANAGEMENT LLC | 1697748 | 1.61M | 110.54M | Jun 30, 2026 |
| 6 | WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | 1644956 | 1.40M | 96.15M | Jun 30, 2026 |
| 7 | WESTFIELD CAPITAL MANAGEMENT CO LP | 1177719 | 1.37M | 87.92M | Mar 31, 2026 |
| 8 | VANGUARD GROUP INC | 102909 | 1.19M | 154.65M | Dec 31, 2025 |
| 9 | CITADEL ADVISORS LLC | 1423053 | 1.05M | 71.81M | Jun 30, 2026 |
| 10 | MORGAN STANLEY | 895421 | 988.30K | 67.85M | Jun 30, 2026 |
| 11 | BLACKROCK FINANCE, INC. | 1364742 | 924.57K | 24.17M | Jun 30, 2024 |
| 12 | ORACLE INVESTMENT MANAGEMENT INC | 1012622 | 884.65K | 115.06M | Dec 31, 2025 |
| 13 | VANGUARD CAPITAL MANAGEMENT LLC | 2100119 | 879K | 60.34M | Jun 30, 2026 |
| 14 | FIRST LIGHT ASSET MANAGEMENT, LLC | 1600004 | 783.92K | 53.82M | Jun 30, 2026 |
| 15 | DEEP TRACK CAPITAL, LP | 1856083 | 700K | 48.05M | Jun 30, 2026 |
| 16 | SUMITOMO MITSUI TRUST GROUP, INC. | 1475365 | 666.58K | 45.76M | Jun 30, 2026 |
| 17 | AMOVA ASSET MANAGEMENT AMERICAS, INC. | 1480751 | 666.58K | 45.70M | Jun 30, 2026 |
| 18 | DEERFIELD MANAGEMENT COMPANY, L.P. | 1009258 | 643.11K | 5.87M | Mar 31, 2024 |
| 19 | ASSENAGON ASSET MANAGEMENT S.A. | 1546007 | 632.41K | 45.72M | Sep 30, 2026 |
| 20 | ZWEIG-DIMENNA ASSOCIATES LLC | 1533950 | 571.95K | 39.26M | Jun 30, 2026 |
Data sourced from SEC Form 13F institutional holdings reports. Positions reflect the most recent filing per institution.