ZNTL · Insider trading · 13F holders · Congress trades
Zentalis Pharmaceuticals, Inc. (ZNTL)
Who is buying and selling ZNTL: company insiders on SEC Form 4, hedge funds and superinvestors on Form 13F, and members of Congress under the STOCK Act. Every figure links to the filing or page it comes from.
- 13F filers holding
- 9
- Insider buys, 90 days
- $15.2M
- Insider sales, 90 days
- $0
- Congress trades, 12 months
- 0
ZNTL at a glance
- Between Aug 1, 2026 and Oct 29, 2026, 1 ZNTL insider filed 1 open-market purchase worth $15.2M on SEC Form 4.
- 9 13F filers hold ZNTL among their 50 largest positions, worth $62.3M combined. The biggest bets by portfolio weight are 5AM Venture Management, LLC (6.7%), Squadron Capital Management LLC (6.1%) and Ishara Investments LP (3.7%).
- No member of Congress has disclosed a trade in ZNTL.
- ZNTL last closed at $1.99 on Oct 29, 2026.
ZNTL insider trading
Between Aug 1, 2026 and Oct 29, 2026, 1 ZNTL insider filed 1 open-market purchase worth $15.2M on SEC Form 4.
| Filed | Insider | Role | Trade | Shares | Price | Value | Form 4 |
|---|---|---|---|---|---|---|---|
| Aug 19, 2026 | Walters Group | 10% Owner | Buy | 4,335,000 | $3.50 | $15.2M | SEC |
Who owns ZNTL? Hedge funds and superinvestors
9 13F filers hold ZNTL among their 50 largest positions, worth $62.3M combined. The biggest bets by portfolio weight are 5AM Venture Management, LLC (6.7%), Squadron Capital Management LLC (6.1%) and Ishara Investments LP (3.7%).
| Manager | % of portfolio | Value | Shares | Last quarter | 13F |
|---|---|---|---|---|---|
| 5AM Venture Management, LLCVenture capital | 6.7% | $19.1M | 3,947,913 | +0.0% shares | Q2 2026 |
| Squadron Capital Management LLCHedge fund | 6.1% | $17.9M | 3,700,000 | +1.9% shares | Q2 2026 |
| Opaleye Management Inc.Hedge fund | 0.6% | $6.9M | 1,412,656 | +0.0% shares | Q2 2026 |
| Decheng Capital LLCHedge fund | 0.9% | $6.4M | 1,323,327 | +0.0% shares | Q2 2026 |
| Ishara Investments LPHedge fund | 3.7% | $5.0M | 1,025,000 | -16.7% shares | Q2 2026 |
| Pfizer IncCorporation | 2.3% | $3.9M | 953,834 | +0.0% shares | Q2 2026 |
| Seven Fleet Capital Management LPHedge fund | 0.2% | $1.5M | 317,600 | — | Q2 2026 |
| CDC Financial, Inc.Investment manager | 0.7% | $862K | 177,762 | -37.4% shares | Q2 2026 |
| Stonepine Capital Management, LLCHedge fund | 0.6% | $784K | 161,583 | -40.0% shares | Q2 2026 |
Each manager counts with its latest 13F (Q2 2026: 9). Screen ZNTL in the grand portfolio →
ZNTL stock trades by members of Congress
No member of Congress has disclosed a trade in ZNTL.
ZNTL questions and answers
Are insiders buying ZNTL stock?
Between Aug 1, 2026 and Oct 29, 2026, 1 ZNTL insider filed 1 open-market purchase worth $15.2M on SEC Form 4.
Which hedge funds own ZNTL?
9 13F filers hold ZNTL among their 50 largest positions, worth $62.3M combined. The biggest bets by portfolio weight are 5AM Venture Management, LLC (6.7%), Squadron Capital Management LLC (6.1%) and Ishara Investments LP (3.7%).
Has Congress traded ZNTL?
No member of Congress has disclosed a trade in ZNTL.
Who is the largest holder of ZNTL?
Among 13F filers, 5AM Venture Management, LLC reports the largest ZNTL position, $19.1M (3,947,913 shares) in its Q2 2026 13F. The biggest bet by portfolio weight is 5AM Venture Management, LLC's: 6.7% of its portfolio.
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