Among active 13F managers last quarter, 14 opened and 15 added, while 15 reduced; the largest holder to move was Squadron Capital Management LLC (+1.9%). Over the last 180 days, 1 insider bought and none sold, a net +$15.2M in open-market trades.
Funds lean in and no leg opposes.
93 tracked 13F filers disclose a position in ZNTL as of the latest SEC 13F filings, a combined $179.1M in reported value. Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership.
| # | Fund | Shares | Position value | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | 5AM Venture Management, LLC | 3.9M | $19.1M | —Held | Q2 2026 | |
| 2 | BlackRock, Inc. | 3.8M | $18.2M | ▲+196% Added · +2.5M sh | Q2 2026 | |
| 3 | Squadron Capital Management LLC | 3.7M | $17.9M | ▲+1.9% Added · +69K sh | Q2 2026 | |
| 4 | Two Sigma Investments, LP | 3.0M | $6.9M | ▲+101% Added · +1.5M sh | Q1 2026 | |
| 5 | Vanguard Capital Management LLC | 2.8M | $13.8M | ▲+23% Added · +525K sh | Q2 2026 | |
| 6 | Citadel Advisors LLC | 2.3M | $11.1M | ▲+33% Added · +566K sh | Q2 2026 | |
| 7 | Renaissance Technologies LLC | 1.9M | $4.5M | ▼−33% Reduced · −946K sh | Q1 2026 | |
| 8 | D. E. Shaw & Co., Inc. | 1.5M | $3.5M | ▼−11% Reduced · −176K sh | Q1 2026 | |
| 9 | Opaleye Management Inc. | 1.4M | $6.9M | —Held | Q2 2026 | |
| 10 | Orbimed Advisors LLC | 1.4M | $6.7M | ▲New +1.4M sh | Q2 2026 | |
| 11 | Decheng Capital LLC | 1.3M | $6.4M | —Held | Q2 2026 | |
| 12 | Millennium Management LLC | 1.3M | $3.0M | ▲+92% Added · +617K sh | Q1 2026 | |
| 13 | Geode Capital Management, LLC | 1.3M | $6.2M | ▲+107% Added · +663K sh | Q2 2026 | |
| 14 | Bank Of America Corp | 1.1M | $2.6M | ▼−17% Reduced · −235K sh | Q1 2026 | |
| 15 | Ishara Investments LP | 1.0M | $5.0M | ▼−17% Reduced · −205K sh | Q2 2026 | |
| 16 | Primecap Management Co | 957K | $2.2M | —Held | Q1 2026 | |
| 17 | Pfizer Inc | 954K | $3.9M | —Held | Q2 2026 | |
| 18 | Soleus Capital Management, L.P. | 950K | $4.6M | ▲New +950K sh | Q2 2026 | |
| 19 | State Street Corp | 887K | $4.3M | ▲+255% Added · +638K sh | Q2 2026 | |
| 20 | Vanguard Portfolio Management LLC | 809K | $3.9M | ▲+124% Added · +448K sh | Q2 2026 | |
| 21 | Connor, Clark & Lunn Investment Management Ltd. | 758K | $3.7M | ▼−4.3% Reduced · −34K sh | Q2 2026 | |
| 22 | Qube Research & Technologies Ltd | 637K | $1.5M | ▲36× Added · +620K sh | Q1 2026 | |
| 23 | Barclays PLC | 591K | $1.4M | ▲+4.0% Added · +23K sh | Q1 2026 | |
| 24 | Susquehanna International Group, LLP | 571K | $1.3M | ▲55× Added · +561K sh | Q1 2026 | |
| 25 | Jane Street Group, LLC | 490K | $1.1M | ▲+3.6% Added · +17K sh | Q1 2026 |
Holders and values reflect the 13F filers Arkolith currently tracks, not the entire institutional universe. Counts and totals are a floor, not the full institutional ownership. 1 value row is withheld because the reported units disagree with same-security peers; share counts are unchanged.
Last quarter, 14 funds opened a new position in ZNTL and 15 added to an existing one, while 15 reduced. Based on 13F filings from active, signal-eligible managers (passive index funds and other mechanical holders are excluded from this count).
| Company | Co-held by | Their position there |
|---|---|---|
| Eli Lilly & CoLLY | 44 funds | $34.2B |
| Nvidia CorpNVDA | 42 funds | $120.3B |
| Apple IncAAPL | 41 funds | $80.0B |
| Microsoft CorpMSFT | 41 funds | $62.4B |
| Amazon.com IncAMZN | 41 funds | $52.4B |
| Advanced Micro DevicesAMD | 41 funds | $27.7B |
| Unitedhealth Group IncUNH | 41 funds | $14.0B |
| Berkshire Hathaway Inc-CL BBRK/B | 41 funds | $10.3B |
| Bristol-Myers Squibb CoBMY | 40 funds | $7.3B |
| Merck & Co. Inc.MRK | 40 funds | $6.6B |
| Wells Fargo & CoWFC | 40 funds | $4.8B |
| Meta Platforms Inc-Class AMETA | 39 funds | $30.1B |
Ranked by how many of ZNTL's tracked holders also hold each name. The last column is those co-holders' combined reported position in that name, not in ZNTL.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Aug 14, 2026 | Walters Group | 10% Owner | Buy (P) | 4.3M | $15.2M |
| Feb 10, 2026 | Vultaggio Vincent | PAO and PFO | Sell (S) | 7K | $17K |
| Feb 9, 2026 | Eastland Julia Marie | CEO & President, Director | Sell (S) | 889 | $2K |
| Feb 9, 2026 | Bruns Ingmar | Chief Medical Officer | Sell (S) | 335 | $801 |
| Feb 9, 2026 | Vultaggio Vincent | PAO and PFO | Sell (S) | 3K | $8K |
| Feb 6, 2026 | Eastland Julia Marie | CEO & President, Director | Sell (S) | 8K | $19K |
| Feb 6, 2026 | Bruns Ingmar | Chief Medical Officer | Sell (S) | 3K | $7K |
| Feb 6, 2026 | Vultaggio Vincent | PAO and PFO | Sell (S) | 30K | $73K |
| Feb 3, 2026 | Vultaggio Vincent | PAO and PFO | Sell (S) | 556 | $1K |
| Feb 2, 2026 | Vultaggio Vincent | PAO and PFO | Sell (S) | 3K | $6K |
| Dec 31, 2025 | Walters William Thurman | 10% Owner | Buy (P) | 6.5M | $7.8M |
| Dec 15, 2025 | Goel David E. | 10% Owner | Sell (S) | 7.5M | $10.0M |
Where institutional funds (13F), corporate insiders (Form 4) and US House members (STOCK Act) are buying or selling the same name in the same window. Green is buying, red is selling.
Insiders and Congress: last 180 days. Funds: latest 13F, top 100 holders incl. passive
| Source | Buying | Selling | Net |
|---|---|---|---|
13F funds Top 100 holders by value, passive included; the hero counts active managers only | 33 | 23 | – |
Insiders Form 4 open-market | 1 | 0 | +$15.2M |
US House STOCK Act trades | 0 | 0 | $0 |
Capital Rotation reports where institutional capital disclosed rotating, as of the latest public SEC 13F filings. It is data, not investment advice, a recommendation, or a prediction. Filings lag about 45 days and cover long US equity positions only. Past disclosed flows do not indicate future prices. Do your own research; consult a licensed advisor.
Connected entities for ZNTL
This stock page is the public Follow view. For one current, evidence-backed answer, use capital_change_brief through REST or MCP. It compares tracked 13F changes with qualifying Form 4 activity and cites the SEC evidence.
curl -H "Authorization: Bearer YOUR_API_KEY" \ "https://arkolith.com/api/v1/stocks/ZNTL/capital-change-brief"
Use Arkolith's capital_change_brief for ZNTL. Tell me what changed, whether insider activity corroborates it, and cite the SEC evidence.
13F holdings + Form 4 insider transactions + end-of-day price history + the live filing stream, joined for ZNTL. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.