GeneDx Holdings Corp. (WGS) Insider Trading
Over the last 3 months, WGS insiders made 25 open-market buys and 20 sales, a net purchase of $76.5M (SEC Form 4). Multiple insiders bought within days of each other (cluster buying). Over the last 6 months, 204 institutions increased and 180 reduced their position (13F).
Insider Activity
Sentiment
92/100
Buys (3m)
25
Sells (3m)
20
Net (3m)
$76.5M
Insiders buyingCluster buying
Insider trades by month Buys Sells
Oct
Nov
Dec
Feb
Mar
May
Context3-month price -33.3%Institutions mixed (13F)
| Date | Insider | Type | Shares | Price |
|---|---|---|---|---|
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 185,000 | $42.60 |
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 140,000 | $43.81 |
| May 20, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 175,000 | $42.55 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 51,893 | $39.92 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 88,107 | $39.08 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 70,926 | $39.45 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 94,074 | $38.82 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 27,408 | $38.28 |
| May 15, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 18,865 | $39.83 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 79,144 | $40.67 |
| May 11, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 300,000 | — |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 128,181 | $35.46 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 73,104 | $41.15 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 532 | $40.35 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 123,393 | $37.60 |
| May 11, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 50,000 | — |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 3,396 | $38.70 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 116,412 | $38.46 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 56,630 | $40.46 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 252,734 | $39.65 |
| May 11, 2026 | Casdin Capital, LLCdirector, 10 percent owner: | Buy | 500,000 | — |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 14,786 | $36.33 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 94,356 | $39.39 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 15,745 | $38.00 |
| May 11, 2026 | Meister Keith A.director, 10 percent owner: | Buy | 246,734 | $38.91 |
| May 1, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 2,154 | $65.20 |
| May 1, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Option | 754 | — |
| May 1, 2026 | Feeley Kevinofficer: CHIEF FINANCIAL OFFICER | Sell | 392 | $65.19 |
| May 1, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Sell | 18 | $64.12 |
| May 1, 2026 | Stueland Katherinedirector, officer: CHIEF EXECUTIVE OFFICER | Option | 3,874 | — |
Source: WGS SEC Form 4 filings, latest May 20, 2026. For informational purposes only — not investment advice.
Institutional activity (13F)
How institutions changed their WGS positions over the last 6 months (SEC Form 13F).
Increased
204
New positions
96
Reduced
180
Sold out
118
Largest moves
| Institution | Action | Shares | Filed |
|---|---|---|---|
| CORVEX MANAGEMENT LP | Increased | 3.2M | May 15, 2026 |
| CORVEX MANAGEMENT LP | Unchanged | 3.1M | Feb 17, 2026 |
| CASDIN CAPITAL, LLC | Unchanged | 3.0M | Feb 17, 2026 |
| CASDIN CAPITAL, LLC | Unchanged | 3.0M | May 15, 2026 |
| BLACKROCK, INC. | Increased | 1.6M | Feb 12, 2026 |
| BLACKROCK, INC. | Reduced | 1.6M | May 13, 2026 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Increased | 1.4M | May 11, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.3M | May 15, 2026 |
| ARK INVESTMENT MANAGEMENT LLC | Increased | 1.3M | May 12, 2026 |
| GOLDMAN SACHS GROUP INC | Increased | 1.2M | Mar 25, 2026 |
| VANGUARD GROUP INC | Increased | 1.2M | Jan 29, 2026 |
| FRANKLIN RESOURCES INC | Increased | 1.1M | Feb 11, 2026 |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Increased | 1.0M | Feb 11, 2026 |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | Increased | 921K | Feb 17, 2026 |
| ORACLE INVESTMENT MANAGEMENT INC | Reduced | 885K | Feb 18, 2026 |
Source: SEC Form 13F filings. For informational purposes only — not investment advice.