GENEDX HOLDINGS CORP WGS
COM CL A · Common Stock · CUSIP 81663L200
- SectorHealth care
- IndustryServices-Health Services
- HeadquartersStamford, CT
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($6.4m this quarter). Holder counts are more reliable. Shares outstanding: 28.7m as of 2025-07-24, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $92.31. Options: 19 managers hold calls ($210.5m notional), 16 hold puts ($251.6m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q1 2023 | 2 |
| Q2 2023 | 59 |
| Q3 2023 | 54 |
| Q4 2023 | 49 |
| Q1 2024 | 59 |
| Q2 2024 | 87 |
| Q3 2024 | 137 |
| Q4 2024 | 200 |
| Q1 2025 | 227 |
| Q2 2025 | 233 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 23 | 26 |
| Q4 2023 | 17 | 26 |
| Q1 2024 | 35 | 17 |
| Q2 2024 | 62 | 23 |
| Q3 2024 | 95 | 29 |
| Q4 2024 | 140 | 50 |
| Q1 2025 | 141 | 89 |
| Q2 2025 | 141 | 111 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $4.3m | $7.0m | 1.61 |
| Q4 2024 | $18.7m | $9.6m | 0.51 |
| Q1 2025 | $62.7m | $25.3m | 0.40 |
| Q2 2025 | $210.5m | $251.6m | 1.20 |
Biggest buyers
| Pentwater Capital Management LP | Added | +1.2m |
| UBS Group AG | Added | +949.6k |
| Corvex Management LP | Added | +584.8k |
| T. Rowe Price Investment Management, Inc. | Added | +533.4k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC | Added | +442.4k |
| JENNISON ASSOCIATES LLC | Added | +391.5k |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Added | +366.7k |
| BlackRock, Inc. | Added | +287.3k |
| MORGAN STANLEY | Added | +274.6k |
| FRED ALGER MANAGEMENT, LLC | Added | +263.5k |
Biggest sellers
| FMR LLC | Reduced | -2.6m |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | Reduced | -435.3k |
| D. E. Shaw & Co., Inc. | Reduced | -390.5k |
| AMERICAN CENTURY COMPANIES INC | Sold out | -269.6k |
| Point72 Asset Management, L.P. | Reduced | -234.4k |
| NEXT CENTURY GROWTH INVESTORS LLC | Reduced | -195.4k |
| Allspring Global Investments Holdings, LLC | Reduced | -184.3k |
| Nuveen, LLC | Reduced | -155.4k |
| Driehaus Capital Management LLC | Reduced | -151.5k |
| Nicholas Investment Partners, LP | Sold out | -131.6k |
Biggest calls
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $73.4m794.7k shares |
| JANE STREET GROUP, LLC | Added | $37.3m403.7k shares |
| Walleye Trading LLC | New | $16.9m183.1k shares |
| IMC-Chicago, LLC | Added | $13.6m147.7k shares |
| Caption Management, LLC | New | $11.3m122.0k shares |
| SIMPLEX TRADING, LLC | Added | $9.7m105.3k shares |
| ORACLE INVESTMENT MANAGEMENT INC | New | $9.2m100.0k shares |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC | Added | $9.2m100.0k shares |
| CITADEL ADVISORS LLC | Added | $6.6m71.0k shares |
| WOLVERINE TRADING, LLC | Added | $6.2m68.1k shares |
Biggest puts
| Pentwater Capital Management LP | Added | $95.1m1.0m shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $52.9m572.8k shares |
| JANE STREET GROUP, LLC | Added | $40.3m437.1k shares |
| Walleye Trading LLC | New | $11.0m118.8k shares |
| IMC-Chicago, LLC | Added | $10.5m114.2k shares |
| SIMPLEX TRADING, LLC | Added | $8.7m94.0k shares |
| GROUP ONE TRADING LLC | Added | $7.6m81.8k shares |
| CITADEL ADVISORS LLC | Added | $7.4m79.7k shares |
| Point72 Asset Management, L.P. | New | $6.5m70.0k shares |
| WOLVERINE TRADING, LLC | Added | $4.6m50.9k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| CMLS Holdings LLC 13D · may seek influence no change · filed 2026-05-22 | 17.9% |
| GOLDMAN SACHS GROUP INC 13G · institution +1.9 pts · filed 2026-08-11 | 5.8% |
| BlackRock, Inc. 13G · institution new · filed 2026-07-28 | 5.5% |
| ARK Investment Management LLC 13G · institution filed 2026-08-07 | 5.3% |
Fell to 5% or below in the last year: WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC (4.3%, 2025-11-12)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 1 | $25.5k | 4 | $86.8k | — |
| Q4 2023 | 2 | $176.3k | 5 | $1.2m | — |
| Q1 2024 | 1 | $357.5k | 3 | $190.8k | — |
| Q2 2024 | 1 | $8.2m | 2 | $468.2k | — |
| Q3 2024 | 0 | — | 2 | $734.6k | — |
| Q4 2024 | 0 | — | 3 | $9.8m | $3.2m |
| Q1 2025 | 0 | — | 2 | $17.0m | $6.3m |
| Q2 2025 | 1 | $8.6m | 2 | $7.1m | $5.5m |
| Date | Insider | Trade | Value |
|---|---|---|---|
| 2025-06-16 | Stueland Katherine Chief Executive Officer, director | Sold | $680.1k10.5k shares |
| 2025-06-16 | Feeley Kevin CHIEF FINANCIAL OFFICER | Sold | $241.5k3.7k shares |
| 2025-06-09 | Stueland Katherine Chief Executive Officer, director | Sold | $264.0k3.6k shares |
| 2025-06-09 | Feeley Kevin CHIEF FINANCIAL OFFICER | Sold | $91.8k1.3k shares |
| 2025-06-02 | Feeley Kevin CHIEF FINANCIAL OFFICER | Sold | $26.4k370 shares |
| 2025-05-14 | Meister Keith A. +1 Director · See footnotes | Bought | $3.0m50.0k shares |
| 2025-05-08 | Meister Keith A. +1 Director · See footnotes | Bought | $5.6m100.0k shares |
| 2025-04-29 | Stueland Katherine Chief Executive Officer, director | Sold | $243.6k2.2k shares |
| 2025-04-29 | Feeley Kevin CHIEF FINANCIAL OFFICER | Sold | $43.9k388 shares |
| 2025-04-09 | Stueland Katherine Chief Executive Officer, director | Sold plan | $4.2m46.6k shares |
| 2025-04-09 | Feeley Kevin CHIEF FINANCIAL OFFICER | Sold plan | $1.3m14.3k shares |
Their holding: how much the trade added to or took from the insider's holding (direct, or the trust or fund named). The same trade is sometimes reported by more than one insider, such as a fund and the director who represents it; totals count it once. A value is left blank where the reported price is far from the market price (usually a typo).
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| Casdin Capital, LLC 29.48% of their portfolio | 3.5m $323.7m | Unchanged |
| Corvex Management LP 11.95% of their portfolio | 3.1m $282.3m | Added +584.8k |
| WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 0.40% of their portfolio | 1.6m $150.6m | Added +442.4k |
| BlackRock, Inc. 0.00% of their portfolio | 1.4m $132.4m | Added +287.3k |
| Pentwater Capital Management LP 1.44% of their portfolio | 1.2m $112.6m | Added +1.2m |
| VANGUARD GROUP INC 0.00% of their portfolio | 1.2m $109.0m | Added +149.6k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 1.0m $96.9m | Reduced -39.9k |
| T. Rowe Price Investment Management, Inc. 0.06% of their portfolio | 1.0m $95.7m | Added +533.4k |
| UBS Group AG 0.02% of their portfolio | 1.0m $92.5m | Added +949.6k |
| ORACLE INVESTMENT MANAGEMENT INC 73.69% of their portfolio | 922.5k $85.2m | Reduced -47.5k |
| FRED ALGER MANAGEMENT, LLC 0.34% of their portfolio | 820.5k $75.7m | Added +263.5k |
| SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC 2.76% of their portfolio | 767.3k $70.8m | Reduced -435.3k |
| WESTFIELD CAPITAL MANAGEMENT CO LP 0.23% of their portfolio | 589.2k $54.4m | Added +366.7k |
| Zweig-DiMenna Associates LLC 5.55% of their portfolio | 586.1k $54.1m | Added +129.0k |
| Invesco Ltd. 0.01% of their portfolio | 554.4k $51.2m | Added +164.8k |
| MORGAN STANLEY 0.00% of their portfolio | 487.1k $45.0m | Added +274.6k |
| GEODE CAPITAL MANAGEMENT, LLC 0.00% of their portfolio | 484.7k $44.7m | Added +92.0k |
| LORD, ABBETT & CO. LLC 0.13% of their portfolio | 434.5k $40.1m | Added +25.1k |
| STATE STREET CORP 0.00% of their portfolio | 416.0k $38.4m | Added +76.4k |
| RAYMOND JAMES FINANCIAL INC 0.01% of their portfolio | 413.2k $38.1m | Added +79.8k |
| WELLINGTON MANAGEMENT GROUP LLP 0.01% of their portfolio | 406.6k $37.5m | Reduced -19.1k |
| JENNISON ASSOCIATES LLC 0.02% of their portfolio | 397.9k $36.7m | Added +391.5k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 386.8k $35.7m | Reduced -50.1k |
| FRANKLIN RESOURCES INC 0.01% of their portfolio | 337.4k $31.1m | Added +114.5k |
| FARALLON CAPITAL MANAGEMENT, L.L.C. 0.14% of their portfolio | 326.7k $30.2m | Added +23.7k |
| MACQUARIE GROUP LTD 0.04% of their portfolio | 317.9k $29.3m | Reduced -44.1k |
| Science & Technology Partners, L.P. 7.67% of their portfolio | 317.3k $29.3m | Added +40.6k |
| Driehaus Capital Management LLC 0.22% of their portfolio | 303.5k $28.0m | Reduced -151.5k |
| CITADEL ADVISORS LLC 0.02% of their portfolio | 272.2k $25.1m | Added +243.8k |
| GAGNON SECURITIES LLC 5.09% of their portfolio | 271.2k $25.0m | Reduced -13.7k |
| AMERIPRISE FINANCIAL INC 0.01% of their portfolio | 255.9k $23.6m | Added +110.7k |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ 0.01% of their portfolio | 235.1k $21.7m | New |
| Alamea Verwaltungs GmbH 15.56% of their portfolio | 224.0k $20.7m | Added +12.9k |
| NEXT CENTURY GROWTH INVESTORS LLC 1.58% of their portfolio | 221.6k $20.5m | Reduced -195.4k |
| NORTHERN TRUST CORP 0.00% of their portfolio | 215.0k $19.8m | Added +29.8k |
| Parkman Healthcare Partners LLC 1.87% of their portfolio | 175.0k $16.2m | New |
| Schonfeld Strategic Advisors LLC 0.12% of their portfolio | 172.4k $15.9m | New |
| ASHFORD CAPITAL MANAGEMENT INC 1.86% of their portfolio | 171.5k $15.8m | Added +77.3k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.00% of their portfolio | 167.6k $15.5m | Added +20.7k |
| FMR LLC 0.00% of their portfolio | 163.3k $15.1m | Reduced -2.6m |
| OBERWEIS ASSET MANAGEMENT INC/ 0.65% of their portfolio | 162.9k $15.0m | Added +39.4k |
| Portolan Capital Management, LLC 0.94% of their portfolio | 162.2k $15.0m | New |
| BANK OF AMERICA CORP /DE/ 0.00% of their portfolio | 156.2k $14.4m | Added +95.4k |
| Aberdeen Group plc 0.02% of their portfolio | 136.7k $12.6m | New |
| Gagnon Advisors, LLC 7.88% of their portfolio | 127.1k $11.7m | Unchanged |
| DIMENSIONAL FUND ADVISORS LP 0.00% of their portfolio | 124.8k $11.5m | Added +109.8k |
| TWO SIGMA INVESTMENTS, LP 0.02% of their portfolio | 122.7k $11.3m | Added +94.4k |
| VOYA INVESTMENT MANAGEMENT LLC 0.01% of their portfolio | 116.7k $10.8m | Added +103.1k |
| HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND 0.02% of their portfolio | 106.4k $9.8m | Reduced -90.2k |
| TANG CAPITAL MANAGEMENT LLC 0.47% of their portfolio | 100.0k $9.2m | New |
| Polar Asset Management Partners Inc. 0.22% of their portfolio | 97.6k $9.0m | Added +78.1k |
| ROYCE & ASSOCIATES LP 0.09% of their portfolio | 93.6k $8.6m | Added +62.0k |
| SILVERCREST ASSET MANAGEMENT GROUP LLC 0.06% of their portfolio | 93.4k $8.6m | Added +22.1k |
| AXA S.A. 0.02% of their portfolio | 88.3k $8.1m | New |
| PEREGRINE CAPITAL MANAGEMENT LLC 0.24% of their portfolio | 85.8k $7.9m | New |
| Palisades Investment Partners, LLC 3.35% of their portfolio | 83.0k $7.7m | Reduced -938 |
| POLEN CAPITAL MANAGEMENT LLC 0.02% of their portfolio | 81.0k $7.5m | New |
| Russell Investments Group, Ltd. 0.01% of their portfolio | 81.0k $7.5m | Reduced -27.4k |
| ARDSLEY ADVISORY PARTNERS LP 1.21% of their portfolio | 80.0k $7.4m | New |
| Divisadero Street Capital Management, LP 0.45% of their portfolio | 73.1k $6.8m | Unchanged |
| BANTAMAC CAPITAL, LLC 2.31% of their portfolio | 69.9k $6.4m | Reduced -15.9k |
| NORGES BANK 0.00% of their portfolio | 68.0k $6.3m | Unchanged |
| Bank of New York Mellon Corp 0.00% of their portfolio | 66.4k $6.1m | Added +22.9k |
| FIRST TRUST ADVISORS LP 0.00% of their portfolio | 62.4k $5.8m | New |
| Catalio Capital Management, LP 1.19% of their portfolio | 61.5k $5.7m | New |
| Legal Advantage Investments, Inc. 2.62% of their portfolio | 60.6k $5.6m | Added +10.0k |
| BARCLAYS PLC 0.00% of their portfolio | 59.4k $5.5m | Reduced -15.5k |
| ROYAL BANK OF CANADA 0.00% of their portfolio | 58.4k $5.4m | Added +28.9k |
| RA CAPITAL MANAGEMENT, L.P. 0.09% of their portfolio | 58.0k $5.4m | New |
| Ensign Peak Advisors, Inc 0.01% of their portfolio | 57.2k $5.3m | Added +55.7k |
| Simplify Asset Management Inc. 0.32% of their portfolio | 56.7k $5.2m | New |
| Lisanti Capital Growth, LLC 1.45% of their portfolio | 56.6k $5.2m | Added +27.2k |
| NEW YORK STATE COMMON RETIREMENT FUND 0.01% of their portfolio | 55.4k $5.1m | Reduced -30.5k |
| LPL Financial LLC 0.00% of their portfolio | 54.7k $5.0m | Added +11.6k |
| Point72 Asset Management, L.P. 0.01% of their portfolio | 52.5k $4.9m | Reduced -234.4k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% of their portfolio | 48.2k $4.4m | Added +19.9k |
| Assenagon Asset Management S.A. 0.01% of their portfolio | 47.6k $4.4m | Reduced -58.5k |
| NATIONAL BANK OF CANADA /FI/ 0.00% of their portfolio | 45.0k $4.2m | Unchanged |
| Calamos Advisors LLC 0.02% of their portfolio | 44.6k $4.1m | Reduced -12.8k |
| ALGERT GLOBAL LLC 0.08% of their portfolio | 43.6k $4.0m | Reduced -4.1k |
| Nuveen, LLC 0.00% of their portfolio | 42.5k $3.9m | Reduced -155.4k |
| Soleus Capital Management, L.P. 0.26% of their portfolio | 40.0k $3.7m | New |
| HARBOR CAPITAL ADVISORS, INC. 0.15% of their portfolio | 40.0k $3.7m | Added +24.0k |
| Slow Capital, Inc. 0.44% of their portfolio | 39.1k $3.6m | New |
| Swiss National Bank 0.00% of their portfolio | 37.5k $3.5m | Added +5.6k |
| RBF Capital, LLC 0.17% of their portfolio | 37.3k $3.4m | Unchanged |
| TD Asset Management Inc 0.00% of their portfolio | 35.3k $3.3m | Added +18.3k |
| Aquatic Capital Management LLC 0.06% of their portfolio | 34.8k $3.2m | Reduced -13.3k |
| Tri Locum Partners LP 0.92% of their portfolio | 32.9k $3.0m | Reduced -25.2k |
| COMERICA BANK 0.01% of their portfolio | 32.6k $3.0m | Added +17.2k |
| EFG Asset Management (North America) Corp. 0.38% of their portfolio | 29.1k $2.7m | Added +18.1k |
| PRUDENTIAL FINANCIAL INC 0.00% of their portfolio | 28.1k $2.6m | Reduced -44.7k |
| RHUMBLINE ADVISERS 0.00% of their portfolio | 27.6k $2.5m | Added +8.3k |
| Morse Asset Management, Inc 0.55% of their portfolio | 27.4k $2.5m | Added +7.0k |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% of their portfolio | 27.3k $2.5m | Added +19.7k |
| Penserra Capital Management LLC 0.03% of their portfolio | 26.2k $2.4m | Added +5.9k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.00% of their portfolio | 24.9k $2.3m | Reduced -463 |
| VICTORY CAPITAL MANAGEMENT INC 0.00% of their portfolio | 24.8k $2.3m | Added +9.1k |
| DARK FOREST CAPITAL MANAGEMENT LP 0.09% of their portfolio | 24.1k $2.2m | Added +13.5k |
| AQR CAPITAL MANAGEMENT LLC 0.00% of their portfolio | 23.7k $2.2m | Reduced -1.3k |