Zentalis Pharmaceuticals Llc
Ownership
Ownership Structure
Who owns Zentalis Pharmaceuticals Llc (ZNTL)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 57.7% of the shares are freely tradable; institutional investors hold 62.1%.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| 5AM Venture Management, LLC | 4.02 | 3,947,913 | +0.0 | 06/30/2026 |
| BlackRock Inc | 3.83 | 3,753,525 | +195.6 | 06/30/2026 |
| Squadron Capital Management LLC | 3.77 | 3,700,000 | -8.2 | 06/30/2026 |
| Two Sigma Investments LLC | 3.08 | 3,024,936 | +2.3 | 06/30/2026 |
| Vanguard Capital Management, LLC | 2.89 | 2,835,669 | +22.7 | 06/30/2026 |
| Acadian Asset Management LLC | 2.73 | 2,681,900 | -5.8 | 06/30/2026 |
| Citadel Advisors Llc | 2.34 | 2,298,403 | +32.7 | 06/30/2026 |
| Renaissance Technologies Corp | 1.64 | 1,609,078 | -17.0 | 06/30/2026 |
| Opaleye Management Inc | 1.44 | 1,412,656 | +0.0 | 06/30/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard MStar Total Stk Mkt Idx Invest | 2.91 | 2,856,999 | +0.0 | 09/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Insider holdings
| Person | Role | Shares | Value | As of | Type |
|---|---|---|---|---|---|
| Walters Group | 10% Owner | 17,844,973 | 35,689,946 $ | Aug 14, 2026 | direct |
| Bruns Ingmar | Chief Medical Officer | 43,059 | 86,118 $ | Sep 30, 2026 | direct |
Holdings as of each person's most recent SEC Form 4 filing — excluding options and RSUs, which are not shares yet. Holdings may have changed between two filings.
Insiders
Insider Transactions
| Date | Person | Role | Type | Shares | Price | Value |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | Bruns Ingmar | Chief Medical Officer | Other | 9,727 | 2.18 | 21,205 |
| Aug 14, 2026 | Walters Group | 10% Owner | Buy | 4,335,000 | 3.50 | 15,172,500 |
Reportable transactions by officers and major shareholders from SEC Form 4 filings. "Other" includes things like stock grants and option exercises without a buy/sell character. View all insider transactions →
Data as of: October 30, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.