ZNTL
NASDAQZentalis Pharmaceuticals Llc
$6.61
+2.19 (+49.55%)
Institutional
63.1%
Insider
22.35%
Retail/Other
14.5%
Shares Outstanding
70.9M
Top Institutional Holders
As of Apr 2026| Holder | Shares | % | Change |
|---|---|---|---|
| Matrix Capital Management Company, LLC | 14.0M | 19.4% | - |
| Matrix Capital Management Company, LLC | 14.0M | 21.6% | - |
| 5AM Venture Management, LLC | 3.9M | 5.6% | +3.5M |
| Millennium Management LLC | 3.5M | 4.8% | +0.4M |
| Vanguard Group Inc | 2.9M | 4.0% | -0.4M |
| Renaissance Technologies Corp | 2.9M | 4.1% | +0.6M |
| Vanguard Group Inc | 2.9M | 4.0% | -0.0M |
| Acadian Asset Management LLC | 2.8M | 4.4% | +2.7M |
| Citadel Advisors Llc | 2.1M | 3.2% | +1.6M |
| Citadel Advisors Llc | 2.0M | 2.8% | -0.1M |
Insider Transactions
Last 24 months (5 insiders)
WALTERS GROUP / William Thurman Walters / Susan Berkley Walters
10% Owner/ 10% Owner/ 10% Owner
13,509,973 shares
Buys (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 6,459,973 | $1.20 | $7,751,968 | 2025-12-31 | 13,509,973 |
Matrix Capital Management Company, LP / David E. Goel
10% Owner/ 10% Owner
6,459,973 shares
Sales (1)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 7,500,000 | $1.33 | $9,975,000 | 2025-12-15 | 6,459,973 |
Vincent Vultaggio
PAO and PFO
146,506 shares
Sales (5)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 6,894 | $2.42 | $16,699 | 2026-02-10 | 146,506 |
| 3,379 | $2.39 | $8,086 | 2026-02-09 | 153,400 |
| 29,951 | $2.43 | $72,772 | 2026-02-06 | 156,779 |
| 556 | $2.52 | $1,398 | 2026-02-03 | 186,730 |
| 2,540 | $2.55 | $6,477 | 2026-02-02 | 187,286 |
Julia Marie Eastland
CEO & President
79,133 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 889 | $2.39 | $2,127 | 2026-02-09 | 79,133 |
| 7,866 | $2.43 | $19,112 | 2026-02-06 | 80,022 |
Ingmar Bruns
Chief Medical Officer
33,332 shares
Sales (2)
| Shares | Price | Value | Date | Remaining |
|---|---|---|---|---|
| 335 | $2.39 | $802 | 2026-02-09 | 33,332 |
| 2,962 | $2.43 | $7,197 | 2026-02-06 | 33,667 |
Insider Activity Summary
Last 24 monthsTotal Bought
6,459,973 shares
$7,751,968
Total Sold
7,555,372 shares
$10,109,670
Net Shares
-1,095,399
Net Value
$-2,357,702
Activity by Insider
| Name | Bought | Sold | Net Shares | Net Value |
|---|---|---|---|---|
|
Matrix Capital Management Company, LP / David E. Goel
10% Owner/ 10% Owner
|
- | -7,500,000 | -7,500,000 | $-9,975,000 |
|
WALTERS GROUP / William Thurman Walters / Susan Berkley Walters
10% Owner/ 10% Owner/ 10% Owner
|
+6,459,973 | - | +6,459,973 | $+7,751,968 |
|
Vincent Vultaggio
PAO and PFO
|
- | -43,320 | -43,320 | $-105,432 |
|
Julia Marie Eastland
CEO & President
|
- | -8,755 | -8,755 | $-21,239 |
|
Ingmar Bruns
Chief Medical Officer
|
- | -3,297 | -3,297 | $-7,998 |
Net insider selling: 1,095,399 shares ($2,357,702) in last 12 months
Congressional Trading
STOCK Act DisclosuresNo congressional trading data available for this ticker.
Congressional trading data is sourced from STOCK Act disclosures and may not be available for all tickers.
Based on public disclosures. Reporting errors by representatives are common. Disclosure deadlines are 45 days after transaction.