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Pulmonx Corp

LUNG
Exchange
Nasdaq
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001127537

In the last 90 days, Pulmonx Corp insiders filed 0 open-market purchases and 4 sales; 107 institutions reported holding it in 13F filings for Q2 2026, worth $34.1M in total; no superinvestor holds it.

Holders of 5% or more of LUNG

Holders whose latest Schedule 13D or 13G filing reports 5% or more of Pulmonx Corp, largest stake first. The change is against the holder's previous filing.

Holders of 5% or more of LUNG
HolderLatest formStakeChangeFirst filedLatest filingFiling
Primecap Management Co13G/A12.16%4.96M shares−1.45 ppfrom 13.61%Dec 9, 20216 filingsNov 13, 2025SEC
Morgan Stanley13G/A6.90%2.92M shares−1.60 ppfrom 8.50%Feb 10, 20236 filingsAug 13, 2026SEC
Soleus Capital Master Fund, L.P.13G6.50%2.67M sharesNewMar 9, 20261 filingMar 9, 2026SEC

Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.

13D and 13G filings

49 Schedule 13D and 13G filings on Pulmonx Corp, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on LUNG
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 13, 20265:28 PM ETMorgan Stanleyand 1 other13G/A6.90%2.92M shares−1.60 ppfrom 8.50%Jun 30, 2026SEC
Jul 29, 20263:19 PM ETBlackRock, Inc.13G/A1.80%765.7K shares−5.00 ppfrom 6.80%Below 5%Jun 30, 2026SEC
Mar 27, 202611:37 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Mar 9, 20265:00 PM ETSoleus Capital Master Fund, L.P.and 5 others13G6.50%2.67M sharesNewMar 6, 2026SEC
Nov 13, 20258:31 PM ETPrimecap Management Co13G/A12.16%4.96M shares−1.45 ppfrom 13.61%Sep 30, 2025SEC
Nov 7, 202511:13 AM ETFMR LLCand 1 other13G/A0.20%70.8K shares−5.20 ppfrom 5.40%Below 5%Oct 31, 2025SEC
Sep 8, 202511:46 AM ETFMR LLCand 1 other13G/A5.40%2.18M shares−5.20 ppfrom 10.60%Aug 29, 2025SEC
Aug 6, 202512:11 PM ETFMR LLCand 1 other13G/A10.60%4.26M shares−3.00 ppfrom 13.60%Jun 30, 2025SEC
May 13, 20254:23 PM ETPrimecap Management Co13G/A13.61%5.41M shares–Mar 31, 2025SEC
May 12, 202510:39 AM ETFMR LLCand 1 other13G/A13.60%5.42M shares–Mar 31, 2025SEC
May 7, 202511:47 AM ETMorgan Stanleyand 1 other13G/A8.50%3.39M shares+1.00 ppfrom 7.50%Mar 31, 2025SEC
Apr 24, 20259:52 AM ETBlackRock, Inc.13G/A6.80%2.69M shares–Mar 31, 2025SEC
Feb 4, 202512:45 PM ETMorgan Stanleyand 1 other13G/A7.50%2.97M shares–Dec 31, 2024SEC
Nov 14, 2024Point72 Asset Management, L.P.13G/AOld format–––SEC
Nov 12, 2024FMR LLC13G/AOld format–––SEC
Nov 8, 2024Morgan Stanley13G/AOld format–––SEC
Mar 11, 2024FMR LLC13G/AOld format–––SEC
Feb 29, 2024Point72 Asset Management, L.P.13GOld format–––SEC
Feb 14, 2024Point72 Asset Management, L.P.13G/AOld format–––SEC
Feb 13, 2024Champlain Investment Partners, LLC13G/AOld format–––SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 12, 2024Flynn James E13G/AOld format–––SEC
Feb 12, 2024Primecap Management Co13G/AOld format–––SEC
Feb 9, 2024Morgan Stanley13G/AOld format–––SEC
Feb 9, 2024FMR LLC13GOld format–New–SEC
Jan 25, 20244:59 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 14, 2023Pura Vida Investments, LLC13G/AOld format–––SEC
Feb 13, 2023Capital World Investors13G/AOld format–––SEC
Feb 13, 2023Champlain Investment Partners, LLC13G/AOld format–––SEC
Feb 13, 2023Flynn James E13GOld format–––SEC
Feb 13, 2023Flynn James E13G/AOld format–––SEC
Feb 10, 2023Morgan Stanley13GOld format–New–SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023Primecap Management Co13G/AOld format–––SEC
Jan 31, 20231:58 PM ETBlackRock Inc.13G/AOld format–––SEC
Jan 4, 2023Point72 Asset Management, L.P.13GOld format–New–SEC
May 25, 2022Pura Vida Investments, LLC13GOld format–New–SEC
Feb 11, 2022Capital World Investors13GOld format–New–SEC
Feb 11, 2022Champlain Investment Partners, LLC13GOld format–New–SEC
Feb 11, 2022Flynn James E13G/AOld format–––SEC
Feb 11, 2022Fan Yu13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13GOld format–New–SEC
Feb 10, 2022Primecap Management Co13G/AOld format–––SEC
Feb 4, 20224:12 PM ETBlackRock Inc.13GOld format–New–SEC
Feb 3, 20224:01 PM ETBoston Scientific Corp13G/AOld format–––SEC
Dec 9, 2021Primecap Management Co13G/AOld format–––SEC
Jul 16, 2021Flynn James E13GOld format–New–SEC
Feb 12, 20214:40 PM ETBoston Scientific Corp13GOld format–New–SEC
Feb 12, 2021Fan Yu13G/AOld format–––SEC

Form 144: proposed insider sales

Notices from officers, directors and other affiliates planning to sell Pulmonx Corp shares.

No Form 144 notices for Pulmonx Corp are on file.