LUNG · Pulmonx Corp · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Holder Concentration
Across 107 13F filersWho Holds LUNG
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 107 filers, like-for-like change -17.5%; actively managed books -5.9%; index-like books -39.0%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 57.4% | 57 | +0.4% |
| Exempt adviser | 1.1% | 2 | +627.0% |
| Adviser | 0.1% | 2 | -37.7% |
| Bank | 2.5% | 11 | -82.4% |
| Non-US | 1.5% | 3 | -65.6% |
| Holding company | 16.4% | 7 | -40.8% |
| Benefit plan | 0.0% | 0 | — |
| Insurer | 0.0% | 0 | — |
| Broker-dealer | 0.0% | 0 | — |
| Unknown | 21.0% | 25 | +20.5% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 26.0% | 12 | -39.0% |
| Systematic-like | 4.7% | 12 | +59.3% |
| Concentrated | 1.3% | 12 | -10.3% |
| Diversified active | 68.0% | 71 | -8.4% |
| Not measured | 0.0% | 0 | — |
| Unknown | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 41.8% | 52 | -38.0% |
| Medium turnover | 22.9% | 23 | +16.5% |
| High turnover | 27.3% | 27 | +14.4% |
| Unknown | 8.0% | 5 | -22.2% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 14.3% | 14 | -24.4% |
| Medium horizon | 27.5% | 15 | -8.9% |
| Long horizon | 51.5% | 65 | -22.9% |
| Unknown | 6.7% | 13 | +24.3% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 12.9% | 18 | +43.7% |
| $1B to $10B | 18.4% | 25 | +3.4% |
| $10B to $100B | 11.8% | 30 | -4.1% |
| $100B or more | 57.0% | 34 | -30.7% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 3.0% | 28 | +33.5% |
| Pooled investment vehicles | 21.3% | 16 | +18.3% |
| Registered funds and BDCs | 26.2% | 5 | -16.4% |
| Pension and profit sharing plans | 0.0% | 1 | +2383.4% |
| Governments and sovereign funds | 0.4% | 2 | -10.6% |
| Other investment advisers | 0.0% | 1 | -26.4% |
| Diversified | 3.3% | 3 | +53.1% |
| Insurance companies | 0.0% | 0 | -100.0% |
| Other | 0.0% | 0 | — |
| Unknown | 45.7% | 51 | -31.8% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 28.8% | 22 | +25.4% |
| Private equity funds | 0.5% | 4 | +59.6% |
| Venture capital funds | 0.0% | 1 | +138.5% |
| Real estate funds | 0.1% | 3 | +236.1% |
| Other private funds | 1.2% | 6 | -17.1% |
| Mixed private funds | 0.0% | 0 | -100.0% |
| No private funds | 27.9% | 23 | -13.8% |
| Private funds, type not stated | 0.0% | 0 | — |
| Securitized asset funds | 0.0% | 0 | — |
| Unknown | 41.5% | 48 | -35.1% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 93.8% | 91 | -16.2% |
| Outside the US | 6.2% | 16 | -33.1% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 1 holder with no observed 2026-06-30 13F.
Conviction and Crowding
107 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net buyers of $0 (0 buying, 0 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 89.1% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies LUNG's active holders also own, quarter ended Jun 30, 2026| # | Company | Shared holders |
|---|---|---|
| 1 | QNRX Quoin Pharmaceuticals Ltd. | 3 |
| 2 | CSTL Castle Biosciences Inc | 3 |
| 3 | BDSX Biodesix Inc | 3 |
| 4 | EOLS Evolus, Inc. | 3 |
| 5 | OVID Ovid Therapeutics Inc. | 3 |
| 6 | ANL Adlai Nortye Group Ltd. | 3 |
| 7 | VIR Vir Biotechnology, Inc. | 3 |
| 8 | NEO Neogenomics Inc | 3 |
| 9 | NKTR Nektar Therapeutics | 4 |
| 10 | BIOA BioAge Labs, Inc. | 3 |
Shareholder Targets
13F filers that own its peers but not LUNG, quarter ended Jun 30, 2026Found through its holder-overlap peers: QNRX, CSTL, BDSX, EOLS, OVID, ANL, VIR, NEO, NKTR, BIOA, ATEC, URGN, ORKA, XENE, MBX, EWTX, PHVS, AVTX, INDV, GPCR. 846 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | ORBIMED ADVISORS LLC Registered adviser, Diversified active | $1,077,147,520 9 held | EWTX, MBX, GPCR |
| 2 | Jupiter Topco LLC Unknown, Diversified active | $1,024,623,008 14 held | GPCR, XENE, EWTX |
| 3 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $864,668,940 13 held | GPCR, MBX, XENE |
| 4 | VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser, Diversified active | $790,635,968 15 held | INDV, NEO, VIR |
| 5 | Paradigm Biocapital Advisors LP Registered adviser, Concentrated | $757,590,903 3 held | EWTX, ORKA, MBX |
| 6 | Avoro Capital Advisors LLC Registered adviser, Concentrated | $743,703,248 3 held | GPCR, XENE, AVTX |
| 7 | Driehaus Capital Management LLC Registered adviser, Diversified active | $731,446,708 6 held | XENE, EWTX, INDV |
| 8 | RTW INVESTMENTS, LP Registered adviser, Diversified active | $621,729,010 5 held | ORKA, URGN, GPCR |
| 9 | Deep Track Capital, LP Adviser, Diversified active | $620,990,692 5 held | GPCR, ORKA, MBX |
| 10 | Polar Capital Holdings Plc Registered adviser, Diversified active | $588,325,132 5 held | XENE, ORKA, MBX |
Fund Ownership of LUNG by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 7.04% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 2.28% | 978,803 |
| Index ETFs | 4.76% | 2,044,261 |
| Active ETFs | 0.00% | 0 |
| Active funds | 9.63% | 4,134,662 |
| Unclassified | 0.00% | 0 |
| All registered funds | 16.67% | 7,157,726 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega PRIMECAP MANAGEMENT CO/CA/ Registered adviser | $5,996,030 | 17.28% | 4,612,331 | Shares | 2026-08-14 | |
| Mega MORGAN STANLEY Holding company | $3,799,796 | 10.95% | 2,922,921 | Shares | 2026-08-13 | |
| Mid Soleus Capital Management, L.P. | $3,624,819 | 10.45% | 2,788,323 | Shares | 2026-08-11 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $2,119,284 | 6.11% | 1,630,219 | Shares | 2026-08-13 | |
| Large ExodusPoint Capital Management, LP Registered adviser | $1,590,621 | 4.58% | 1,223,555 | Shares | 2026-08-14 | |
| Small Almitas Capital LLC Registered adviser | $1,383,462 | 3.99% | 1,064,202 | Shares | 2026-08-17 | |
| Mega BlackRock, Inc. Holding company | $1,147,235 | 3.31% | 882,490 | Shares | 2026-08-07 | |
| Small Stonepine Capital Management, LLC Registered adviser | $1,060,066 | 3.05% | 815,436 | Shares | 2026-08-17 | |
| Mega JANE STREET GROUP, LLC | $985,699 | 2.84% | 758,231 | Shares | 2026-08-14 | |
| Mid BRAIDWELL LP Registered adviser | $978,303 | 2.82% | 752,541 | Shares | 2026-08-14 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $968,448 | 2.79% | 744,963 | Shares | 2026-08-14 | |
| Small Parkman Healthcare Partners LLC Registered adviser | $840,533 | 2.42% | 646,564 | Shares | 2026-08-14 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $588,489 | 1.70% | 452,684 | Shares | 2026-08-12 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $552,643 | 1.59% | 425,110 | Shares | 2026-08-13 | |
| Mid ADAR1 Capital Management, LLC Registered adviser | $525,846 | 1.52% | 404,497 | Shares | 2026-08-14 | |
| Mega DEUTSCHE BANK AG\ Non-US | $523,010 | 1.51% | 402,316 | Shares | 2026-08-07 | |
| Mega D. E. Shaw & Co., Inc. | $425,785 | 1.23% | 327,528 | Shares | 2026-08-14 | |
| Large Jefferies Financial Group Inc. Holding company | $370,643 | 1.07% | 285,110 | Shares | 2026-08-17 | |
| Small CFM WEALTH PARTNERS LLC Registered adviser | $343,250 | 0.99% | 264,039 | Shares | 2026-08-07 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $325,664 | 0.94% | 250,511 | Shares | 2026-08-13 | |
| Mega MARSHALL WACE, LLP Exempt adviser | $299,959 | 0.86% | 230,738 | Shares | 2026-08-13 | |
| Large ACADIAN ASSET MANAGEMENT LLC | $290,083 | 0.84% | 223,141 | Shares | 2026-08-13 | |
| Mega MILLENNIUM MANAGEMENT LLC Registered adviser | $272,422 | 0.79% | 209,556 | Shares | 2026-08-14 | |
| Mega UBS Group AG Bank | $265,268 | 0.76% | 204,053 | Shares | 2026-08-13 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $261,430 | 0.75% | 201,100 | Put | 2026-09-02 | |
| Small Birchview Capital, LP | $260,705 | 0.75% | 200,543 | Shares | 2026-08-14 | |
| Large Centiva Capital, LP Registered adviser | $260,123 | 0.75% | 200,095 | Shares | 2026-08-13 | |
| Small NANO CAP NEW MILLENNIUM GROWTH FUND L P | $260,000 | 0.75% | 200,000 | Shares | 2026-08-14 | |
| Mega HSBC HOLDINGS PLC | $251,999 | 0.73% | 193,846 | Shares | 2026-08-14 | |
| Mega STATE STREET CORP Bank | $248,951 | 0.72% | 191,501 | Shares | 2026-09-22 | |
| Large Squarepoint Ops LLC Registered adviser | $238,625 | 0.69% | 183,558 | Shares | 2026-08-14 | |
| Small Redhawk Wealth Advisors, Inc. Registered adviser | $238,574 | 0.69% | 124,908 | Shares | 2026-10-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $186,424 | 0.54% | 143,404 | Shares | 2026-09-02 | |
| Mid GSA CAPITAL PARTNERS LLP Registered adviser | $177,004 | 0.51% | 136,157 | Shares | 2026-08-06 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $175,945 | 0.51% | 135,343 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $160,940 | 0.46% | 123,800 | Put | 2026-08-14 | |
| Mid XTX Topco Ltd | $153,448 | 0.44% | 118,037 | Shares | 2026-08-14 | |
| Large WESTFIELD CAPITAL MANAGEMENT CO LP Registered adviser | $143,000 | 0.41% | 110,000 | Shares | 2026-08-12 | |
| Large HRT FINANCIAL LP | $140,683 | 0.41% | 108,218 | Shares | 2026-08-14 | |
| Mega BANK OF MONTREAL /CAN/ Bank | $137,745 | 0.40% | 105,958 | Shares | 2026-08-12 | |
| Mega NORTHERN TRUST CORP Bank | $135,354 | 0.39% | 104,119 | Shares | 2026-08-13 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $127,831 | 0.37% | 98,332 | Shares | 2026-08-13 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $127,127 | 0.37% | 97,791 | Shares | 2026-08-11 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $112,547 | 0.32% | 86,575 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $111,020 | 0.32% | 85,400 | Put | 2026-08-14 | |
| Large IEQ CAPITAL, LLC Registered adviser | $89,905 | 0.26% | 69,158 | Shares | 2026-08-11 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $83,684 | 0.24% | 64,373 | Shares | 2026-08-14 | |
| Large Quadrature Capital Ltd | $83,083 | 0.24% | 63,910 | Shares | 2026-08-07 | |
| Mid Engineers Gate Manager LP | $81,365 | 0.23% | 62,589 | Shares | 2026-08-14 | |
| Large MERCER GLOBAL ADVISORS INC /ADV Registered adviser | $79,731 | 0.23% | 61,332 | Shares | 2026-08-19 | |
| Mid BRIDGEWAY CAPITAL MANAGEMENT, LLC Registered adviser | $79,300 | 0.23% | 61,000 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $74,880 | 0.22% | 57,600 | Call | 2026-09-02 | |
| Mid Berger Financial Group, Inc Registered adviser | $70,200 | 0.20% | 54,000 | Shares | 2026-08-04 | |
| Mid BRIGHTON JONES LLC Registered adviser | $69,200 | 0.20% | 53,231 | Shares | 2026-08-11 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $66,093 | 0.19% | 50,841 | Shares | 2026-08-14 | |
| Mega Qube Research & Technologies Ltd Exempt adviser | $64,840 | 0.19% | 49,877 | Shares | 2026-08-14 | |
| Small PERKINS CAPITAL MANAGEMENT INC Registered adviser | $51,350 | 0.15% | 39,500 | Shares | 2026-07-24 | |
| Large Mariner, LLC Registered adviser | $50,089 | 0.14% | 38,530 | Shares | 2026-08-13 | |
| Large Cerity Partners LLC Registered adviser | $49,585 | 0.14% | 38,143 | Shares | 2026-08-14 | |
| Mega FMR LLC Holding company | $46,445 | 0.13% | 35,728 | Shares | 2026-08-13 | |
| Large Jain Global LLC Registered adviser | $45,493 | 0.13% | 34,995 | Shares | 2026-08-14 | |
| Mega BARCLAYS PLC Bank | $44,379 | 0.13% | 34,138 | Shares | 2026-08-14 | |
| Mega Creative Planning Registered adviser | $43,561 | 0.13% | 33,509 | Shares | 2026-08-13 | |
| Mid Virtu Financial LLC | $38,290 | 0.11% | 29,454 | Shares | 2026-08-13 | |
| Small R Squared Ltd | $35,657 | 0.10% | 27,429 | Shares | 2026-08-05 | |
| Mega SEI INVESTMENTS CO Holding company | $30,780 | 0.09% | 23,677 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $25,197 | 0.07% | 19,383 | Shares | 2026-08-12 | |
| Large Arax Advisory Partners Registered adviser | $19,341 | 0.06% | 14,878 | Shares | 2026-08-10 | |
| Large LAZARD ASSET MANAGEMENT LLC Adviser | $18,402 | 0.05% | 14,156 | Shares | 2026-08-14 | |
| Mega Vanguard Global Advisers, LLC Registered adviser | $17,626 | 0.05% | 13,559 | Shares | 2026-08-13 | |
| Large JACOBS LEVY EQUITY MANAGEMENT, INC Registered adviser | $17,574 | 0.05% | 13,519 | Shares | 2026-08-14 | |
| Micro Ground Swell Capital, LLC | $16,082 | 0.05% | 12,371 | Shares | 2026-08-05 | |
| Mid TWO SIGMA SECURITIES, LLC | $15,563 | 0.04% | 11,972 | Shares | 2026-08-14 | |
| Large Merit Financial Group, LLC Registered adviser | $15,548 | 0.04% | 11,961 | Shares | 2026-07-20 | |
| Large CAPTRUST FINANCIAL ADVISORS Registered adviser | $15,012 | 0.04% | 11,548 | Shares | 2026-08-13 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $14,336 | 0.04% | 11,028 | Shares | 2026-08-14 | |
| Large SILVERCREST ASSET MANAGEMENT GROUP LLC Registered adviser | $13,000 | 0.04% | 10,000 | Shares | 2026-08-14 | |
| Mega ROYAL BANK OF CANADA Bank | $8,473 | 0.02% | 6,518 | Shares | 2026-08-14 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $6,857 | 0.02% | 5,275 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $6,204 | 0.02% | 4,773 | Shares | 2026-08-06 | |
| Mid GAMMA Investing LLC Registered adviser | $3,573 | 0.01% | 1,871 | Shares | 2026-10-08 | |
| Mid Tower Research Capital LLC (TRC) | $3,057 | 0.01% | 2,352 | Shares | 2026-08-11 | |
| Mid Optiver Holding B.V. | $2,949 | 0.01% | 2,269 | Shares | 2026-08-12 | |
| Mega JPMORGAN CHASE & CO Bank | $2,924 | 0.01% | 2,250 | Shares | 2026-08-12 | |
| Large FEDERATED HERMES, INC. Adviser | $2,726 | 0.01% | 2,097 | Shares | 2026-08-12 | |
| Mega PNC FINANCIAL SERVICES GROUP, INC. Bank | $2,718 | 0.01% | 2,091 | Shares | 2026-08-07 | |
| Large Allworth Financial LP | $2,115 | 0.01% | 1,627 | Shares | 2026-08-11 | |
| Mid EverSource Wealth Advisors, LLC Registered adviser | $1,936 | 0.01% | 1,491 | Shares | 2026-07-24 | |
| Small Physician Wealth Advisors, Inc. Registered adviser | $1,633 | 0.00% | 855 | Shares | 2026-10-20 | |
| Mega BNP PARIBAS ARBITRAGE, SA Non-US | $1,537 | 0.00% | 1,183 | Shares | 2026-08-13 | |
| Mid ROTHSCHILD INVESTMENT LLC Registered adviser | $443 | 0.00% | 341 | Shares | 2026-08-06 | |
| Mid Parallel Advisors, LLC Registered adviser | $436 | 0.00% | 336 | Shares | 2026-08-05 | |
| Small Essential Partners LLC Registered adviser | $389 | 0.00% | 204 | Shares | 2026-10-14 | |
| Small True Wealth Design, LLC Registered adviser | $330 | 0.00% | 173 | Shares | 2026-10-13 | |
| Large Farther Finance Advisors, LLC Registered adviser | $305 | 0.00% | 160 | Shares | 2026-10-08 | |
| Large OSAIC HOLDINGS, INC. Holding company | $188 | 0.00% | 145 | Shares | 2026-08-14 | |
| Large Steward Partners Investment Advisory, LLC Registered adviser | $132 | 0.00% | 102 | Shares | 2026-08-13 | |
| Mid Transamerica Financial Advisors, LLC Registered adviser | $58 | 0.00% | 45 | Shares | 2026-08-17 | |
| Small Caitong International Asset Management Co., Ltd | $52 | 0.00% | 40 | Shares | 2026-08-05 | |
| Large Clearstead Advisors, LLC Registered adviser | $50 | 0.00% | 39 | Shares | 2026-08-06 |
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