GeneDx Holdings Corp. (WGS) Ownership
WGS ownership summary
as of October 18, 2026- Institutions
- 108.7% of shares outstanding
- Insiders
- 7.71% of shares outstanding
- Shares outstanding
- 29.8M
- Float
- 20.4M shares available to trade
- Short interest
- 36.11% 5.6M shares short
- Days to cover
- 7.71 short interest down 4.4% vs prior month
- Institutions 108.71%
- Insiders 7.71%
WGS top institutional holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | Corvex Management LP | 16.04% | 4.8M | $304.3M | +1.6M (+48.2%) | June 30, 2026 |
| 2 | Casdin Capital, LLC | 12.43% | 3.7M | $235.8M | +700,000 (+23.3%) | June 30, 2026 |
| 3 | BlackRock Inc | 5.72% | 1.7M | $108.5M | +155,531 (+10.0%) | June 30, 2026 |
| 4 | The Goldman Sachs Group Inc | 5.60% | 1.7M | $106.2M | +334,461 (+25.1%) | June 30, 2026 |
| 5 | ARK Investment Management LLC | 5.40% | 1.6M | $102.4M | +285,606 (+21.6%) | June 30, 2026 |
| 6 | William Blair Investment Management, LLC | 4.70% | 1.4M | $89.1M | +625,384 (+80.7%) | June 30, 2026 |
| 7 | Morgan Stanley - Brokerage Accounts | 3.31% | 988K | $62.9M | +456,062 (+85.7%) | June 30, 2026 |
| 8 | Vanguard Capital Management, LLC | 2.95% | 879K | $55.9M | +20,420 (+2.4%) | June 30, 2026 |
| 9 | Citadel Advisors Llc | 2.90% | 865K | $55.1M | +218,061 (+33.7%) | June 30, 2026 |
| 10 | First Light Asset Management, LLC | 2.63% | 784K | $49.9M | +540,996 (+222.7%) | June 30, 2026 |
| 11 | Deep Track Capital, LP | 2.35% | 700K | $44.5M | +700,000 (0.0%) | June 30, 2026 |
| 12 | Amova Asset Management Americas, Inc | 2.24% | 667K | $42.4M | +27,781 (+4.3%) | June 30, 2026 |
| 13 | Sumitomo Mitsui Trust Group Inc | 2.24% | 667K | $42.4M | +33,124 (+5.2%) | June 30, 2026 |
| 14 | Assenagon Asset Management SA | 2.03% | 607K | $38.6M | +511,738 (+537.9%) | June 30, 2026 |
| 15 | Zweig-DiMenna Associates LLC | 1.92% | 572K | $36.4M | −117,340 (−17.0%) | June 30, 2026 |
| 16 | Geode Capital Management, LLC | 1.85% | 552K | $35.1M | +2,978 (+0.5%) | June 30, 2026 |
| 17 | State Street Corp | 1.77% | 528K | $33.6M | +55,370 (+11.7%) | June 30, 2026 |
| 18 | Gagnon Securities LLC | 1.76% | 525K | $33.4M | +221,716 (+73.1%) | June 30, 2026 |
| 19 | Aberdeen Group PLC | 1.53% | 457K | $29.1M | +227,105 (+98.7%) | June 30, 2026 |
| 20 | Wellington Management Company LLP | 1.17% | 348K | $22.1M | +6,922 (+2.0%) | June 30, 2026 |
Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 19 holders added 6.7M shares and 1 cut 117K.
WGS top mutual fund and ETF holders
20 largest| # | Holder | % of shares | Shares | Value | Change | Reported |
|---|---|---|---|---|---|---|
| 1 | ARK Innovation ETF | 3.64% | 1.1M | $69.0M | −84,790 (−7.3%) | September 30, 2026 |
| 2 | Vanguard MStar Total Stk Mkt Idx Invest | 2.04% | 608K | $38.7M | — | August 31, 2026 |
| 3 | iShares Russell 2000 ETF | 1.74% | 518K | $33.0M | −5,952 (−1.1%) | September 30, 2026 |
| 4 | ARK Genomic Revolution ETF | 1.70% | 508K | $32.3M | +1,240 (+0.2%) | September 30, 2026 |
| 5 | Amova ARK Disruptive Innovation A USD | 1.36% | 405K | $25.8M | +15,344 (+3.9%) | August 31, 2026 |
| 6 | Eventide Gilead N | 0.89% | 266K | $16.9M | +95,651 (+56.1%) | June 30, 2026 |
| 7 | Amova ARK Pstv Chg Innovt P JPY Acc | 0.77% | 230K | $14.6M | +26,797 (+13.2%) | August 31, 2026 |
| 8 | Fidelity Small Cap Index | 0.73% | 219K | $13.9M | +1,934 (+0.9%) | July 31, 2026 |
| 9 | Thrivent Small-Mid Cap Equity ETF | 0.67% | 201K | $12.8M | +13,846 (+7.4%) | August 31, 2026 |
| 10 | iShares Russell 2000 Growth ETF | 0.63% | 187K | $11.9M | −237 (−0.1%) | September 30, 2026 |
| 11 | Strategic Advisers U.S. Total Stock | 0.62% | 186K | $11.8M | −79,617 (−30.0%) | August 31, 2026 |
| 12 | abrdn Healthcare Investors | 0.60% | 179K | $11.4M | — | September 30, 2026 |
| 13 | Franklin Small Cap Growth Adv | 0.56% | 168K | $10.7M | −33,643 (−16.7%) | August 31, 2026 |
| 14 | abrdn Healthcare Opportunities | 0.51% | 153K | $9.7M | −21,020 (−12.1%) | August 31, 2026 |
| 15 | Alger Small Cap Focus I | 0.44% | 130K | $8.3M | +65,460 (+100.7%) | July 31, 2026 |
| 16 | William Blair Small Cap Growth I | 0.43% | 128K | $8.2M | — | August 31, 2026 |
| 17 | William Blair Small-Mid Cap Growth I | 0.41% | 123K | $7.8M | −700 (−0.6%) | August 31, 2026 |
| 18 | Schwab US Small-Cap ETF™ | 0.41% | 121K | $7.7M | +81 (+0.1%) | September 30, 2026 |
| 19 | Vanguard Russell 2000 ETF | 0.39% | 116K | $7.4M | +1,312 (+1.1%) | September 30, 2026 |
| 20 | Fidelity Enhanced Small Cap Core ETF | 0.36% | 108K | $6.9M | +225 (+0.2%) | September 30, 2026 |
Funds report holdings monthly or quarterly; dates differ by fund.
WGS insider transactions
latest 20| Date | Name | Transaction | Price | Shares | Value |
|---|---|---|---|---|---|
| 2026-03-26 | Katherine Stueland | Sell | $63.17 | 46,933 | $3.0M |
| 2026-03-16 | Katherine Stueland | Sell | $76.80 | 17,179 | $1.3M |
| 2026-03-16 | Kevin Feeley | Sell | $76.80 | 5,706 | $438,221 |
| 2026-03-05 | Keith A Meister | Buy | $81.19 | 140,026 | $11.4M |
| 2026-03-04 | Katherine Stueland | Sell | $78.61 | 25,459 | $2.0M |
| 2026-03-04 | Kevin Feeley | Sell | $78.61 | 6,187 | $486,360 |
| 2026-03-03 | Keith A Meister | Buy | $70.89 | 29,495 | $2.1M |
| 2026-02-04 | Bryan Dechairo | Sell | $85.70 | 5,961 | $510,858 |
| 2026-02-02 | Bryan Dechairo | Sell | $99.53 | 3,413 | $339,696 |
| 2026-01-29 | Katherine Stueland | Sell | $94.00 | 1,653 | $155,382 |
| 2026-01-29 | Kevin Feeley | Sell | $93.99 | 317 | $29,795 |
| 2025-12-16 | Katherine Stueland | Sell | $143.89 | 10,857 | $1.6M |
| 2025-12-16 | Kevin Feeley | Sell | $143.87 | 3,855 | $554,619 |
| 2025-12-09 | Katherine Stueland | Sell | $159.28 | 3,639 | $579,620 |
| 2025-12-09 | Kevin Feeley | Sell | $159.28 | 1,266 | $201,648 |
| 2025-11-24 | Joshua Ruch | Sell | $160.37 | 38,000 | $6.1M |
| 2025-10-29 | Kevin Feeley | Sell | $136.54 | 388 | $52,978 |
| 2025-10-29 | Katherine Stueland | Sell | $136.54 | 2,158 | $294,653 |
| 2025-09-16 | Katherine Stueland | Sell | $121.47 | 10,501 | $1.3M |
| 2025-09-16 | Kevin Feeley | Sell | $121.47 | 3,728 | $452,840 |
Reported trades by company officers, directors and other filers (including disclosures by members of Congress where EODHD lists them). "—" where the filing gives no share count.
WGS shares outstanding
Year-end shares outstanding, adjusted for splits.
Who owns WGS
Institutional investors own 108.7% of GeneDx's shares and insiders 7.71%. The largest holder is Corvex Management LP with 16.04% of the shares (4.8M), as of June 30, 2026. Among the top 20 institutions, 19 added shares and 1 reduced their stake in the latest filings. Short interest is 36.11% of the float, or 7.71 days of average trading volume. The share count rose 377.9% since 2020.
Related: WGS analyst forecast, WGS key metrics. See the WGS stock overview for the latest quote and news.
WGS ownership FAQ
Who owns the most GeneDx stock?
The largest shareholders of GeneDx are Corvex Management LP (16.04%), Casdin Capital, LLC (12.43%), BlackRock Inc (5.72%), The Goldman Sachs Group Inc (5.60%), ARK Investment Management LLC (5.40%).
What percentage of GeneDx is owned by institutions?
Institutions hold 108.7% of GeneDx's shares outstanding; insiders hold 7.71%.
Which funds own GeneDx?
The largest fund holders of GeneDx are ARK Innovation ETF (3.64%), Vanguard MStar Total Stk Mkt Idx Invest (2.04%), iShares Russell 2000 ETF (1.74%), ARK Genomic Revolution ETF (1.70%), Amova ARK Disruptive Innovation A USD (1.36%).
What is GeneDx's short interest?
5.6M shares of GeneDx were sold short, 36.11% of the float; at the average daily volume it would take 7.71 days to cover.
Are insiders buying or selling GeneDx?
Of the latest 20 reported insider transactions in GeneDx (since September 16, 2025), 2 were purchases and 18 were sales.
How many shares of GeneDx are outstanding?
GeneDx has 29.8M shares outstanding, of which 20.4M are in the public float.