103 tracked 13F filers disclose a position in LUNG as of the latest SEC 13F filings, a combined $39.1M 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 | Position value | Shares | Last move | As of | History |
|---|---|---|---|---|---|---|
| 1 | PRIMECAP MANAGEMENT CO/CA/ | $6.1M | 4.7M | ▼−0.1% Reduced · −3K sh | Q1 2026 | |
| 2 | MORGAN STANLEY | $5.2M | 4.0M | ▼−4.0% Reduced · −167K sh | Q1 2026 | |
| 3 | Soleus Capital Management, L.P. | $3.6M | 2.8M | ▲+37% Added · +750K sh | Q1 2026 | |
| 4 | BlackRock, Inc. | $3.4M | 2.7M | ▼−1.6% Reduced · −45K sh | Q1 2026 | |
| 5 | ExodusPoint Capital Management, LP | $2.5M | 1.9M | ▼−0.4% Reduced · −7K sh | Q1 2026 | |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | $2.1M | 1.6M | →First observed position No prior filed position | Q1 2026 | |
| 7 | BANK OF AMERICA CORP /DE/ | $1.5M | 1.2M | ▲+60% Added · +439K sh | Q1 2026 | |
| 8 | DEUTSCHE BANK AG\ | $1.5M | 1.2M | ▲+3.4% Added · +38K sh | Q1 2026 | |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | $1.2M | 944K | ▲+4.2% Added · +38K sh | Q1 2026 | |
| 10 | STATE STREET CORP | $1.0M | 809K | ▼−1.5% Reduced · −12K sh | Q1 2026 | |
| 11 | Parkman Healthcare Partners LLC | $975K | 756K | ▲+3.8% Added · +28K sh | Q1 2026 | |
| 12 | BRAIDWELL LP | $971K | 753K | —Held | Q1 2026 | |
| 13 | BARCLAYS PLC | $882K | 683K | ▲+45% Added · +211K sh | Q1 2026 | |
| 14 | VANGUARD PORTFOLIO MANAGEMENT LLC | $780K | 604K | →First observed position No prior filed position | Q1 2026 | |
| 15 | JPMORGAN CHASE & CO | $458K | 388K | ▼−9.1% Reduced · −39K sh | Q1 2026 | |
| 16 | ADAR1 Capital Management, LLC | $483K | 374K | ▲+5.4% Added · +19K sh | Q1 2026 | |
| 17 | AQR CAPITAL MANAGEMENT LLC | $461K | 358K | ▲+507% Added · +299K sh | Q1 2026 | |
| 18 | NORTHERN TRUST CORP | $458K | 355K | ▲+5.2% Added · +18K sh | Q1 2026 | |
| 19 | D. E. Shaw & Co., Inc. | $432K | 335K | ▼−40% Reduced · −226K sh | Q1 2026 | |
| 20 | RENAISSANCE TECHNOLOGIES LLC | $413K | 320K | ▲+9.7% Added · +28K sh | Q1 2026 | |
| 21 | Jefferies Financial Group Inc. | $368K | 285K | —Held | Q1 2026 | |
| 22 | VANGUARD FIDUCIARY TRUST CO | $363K | 281K | →First observed position No prior filed position | Q1 2026 | |
| 23 | Birchview Capital, LP | $323K | 250K | ▼−0.1% Reduced · −352 sh | Q1 2026 | |
| 24 | GOLDMAN SACHS GROUP INC | $288K | 223K | ▼−39% Reduced · −142K sh | Q1 2026 | |
| 25 | UBS Group AG | $271K | 210K | ▲+22% Added · +38K 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.
Last quarter, 6 funds opened a new position in LUNG and 15 added to an existing one, while 17 reduced and 0 exited entirely — 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 | Combined value |
|---|---|---|
| NVIDIA CORPNVDA | 30 funds | $13.9B |
| APPLE INCAAPL | 30 funds | $10.4B |
| MICROSOFT CORPMSFT | 30 funds | $7.5B |
| AMAZON.COM INCAMZN | 30 funds | $6.3B |
| META PLATFORMS INC-CLASS AMETA | 30 funds | $4.7B |
| ALPHABET INC-CL CGOOG | 30 funds | $4.3B |
| TESLA INCTSLA | 30 funds | $2.7B |
| ELI LILLY & COLLY | 30 funds | $2.2B |
| NETFLIX INCNFLX | 30 funds | $1.4B |
| MERCK & CO. INC.MRK | 30 funds | $1.3B |
| PALANTIR TECHNOLOGIES INC-APLTR | 30 funds | $1.3B |
| BANK OF AMERICA CORPBAC | 30 funds | $771.0M |
Ranked by how many of LUNG's institutional holders also hold each name, a cross-fund conviction signal.
| Date | Insider | Role | Action | Shares | Value |
|---|---|---|---|---|---|
| Jun 2, 2026 | French Glendon E. III | President and CEO, Director | Sell (S) | 14K | $21K |
| Jun 1, 2026 | Radhakrishnan Srikanth | Chief Science &Techn. Officer | Sell (S) | 3K | $4K |
| Jun 1, 2026 | Radhakrishnan Srikanth | Chief Science &Techn. Officer | Sell (S) | 2K | $3K |
| Jun 1, 2026 | Radhakrishnan Srikanth | Chief Science &Techn. Officer | Sell (S) | 4K | $6K |
| Jun 1, 2026 | Radhakrishnan Srikanth | Chief Science &Techn. Officer | Sell (S) | 6K | $9K |
| Jun 1, 2026 | Lehman David Aaron | GENERAL COUNSEL | Sell (S) | 4K | $6K |
| Jun 1, 2026 | Lehman David Aaron | GENERAL COUNSEL | Sell (S) | 2K | $3K |
| Jun 1, 2026 | Lehman David Aaron | GENERAL COUNSEL | Sell (S) | 4K | $5K |
| Jun 1, 2026 | Lehman David Aaron | GENERAL COUNSEL | Sell (S) | 5K | $8K |
| Jun 1, 2026 | Rose Geoffrey Beran | CHIEF COMMERCIAL OFFICER | Sell (S) | 2K | $3K |
| Jun 1, 2026 | Rose Geoffrey Beran | CHIEF COMMERCIAL OFFICER | Sell (S) | 2K | $2K |
| Jun 1, 2026 | Rose Geoffrey Beran | CHIEF COMMERCIAL OFFICER | Sell (S) | 2K | $4K |
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/LUNG/capital-change-brief"
Use Arkolith's capital_change_brief for LUNG. 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 LUNG. Filings are public domain, sourced to SEC EDGAR; price series derived from end-of-day closes.