PULMONX CORP (LUNG) Institutional Ownership Changes & 13F Activity

PULMONX CORP (LUNG). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Renaissance Technologies LLC.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q1 2026Renaissance Technologies LLCBuy28,300320,300$413,187
Q4 2025Renaissance Technologies LLCSell-40,810292,000$645,320
Q3 2025Renaissance Technologies LLCBuy81,500332,810$539,152
Q2 2025Renaissance Technologies LLCBuy86,010251,310$650,893
Q1 2025Renaissance Technologies LLCSell-55,210165,300$1,112,469
Q4 2024Renaissance Technologies LLCBuy61,500220,510$1,497,263
Q3 2024Renaissance Technologies LLCSell-142,400159,010$1,318,193
Q2 2024Renaissance Technologies LLCBuy34,800301,410$1,910,939
Q1 2024Renaissance Technologies LLCBuy71,447266,610$2,471
Q4 2023Renaissance Technologies LLCBuy117,153195,163$2,488
Q3 2023Renaissance Technologies LLCSell-14,39078,010$806
Q2 2023Renaissance Technologies LLCSell-102,44592,400$1,211
Q1 2023Renaissance Technologies LLCBuy176,803194,845$2,178
Q4 2022Renaissance Technologies LLCSell-63,55818,042$152
Q1 2022Renaissance Technologies LLCSell-71,70081,600$2,024
Q4 2021Renaissance Technologies LLCBuy63,200153,300$4,916
Q3 2021Renaissance Technologies LLCBuy61,80090,100$3,242
Q2 2021Renaissance Technologies LLCBuy28,30028,300$1,249

Frequently asked questions about LUNG activity

  • Which institutional owners are buying LUNG?

    Institutional owners buying LUNG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in LUNG activity?

    "Buy" means an investor increased their reported position in LUNG compared to the prior reporting period. This reflects growing exposure to PULMONX CORP (LUNG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in LUNG increasing?

    Institutional interest in LUNG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.