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Livermore
Livermore
ZHEN

Penumbra Inc

PEN
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001321732

No open-market purchases or sales by Penumbra Inc insiders were filed in the last 90 days; 451 institutions reported holding it in 13F filings for Q2 2026, worth $10.8B in total; no superinvestor holds it.

Holders of 5% or more of PEN

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

Holders of 5% or more of PEN
HolderLatest formStakeChangeFirst filedLatest filingFiling
Barclays PLC13G5.95%2.34M sharesNewAug 13, 20261 filingAug 13, 2026SEC
Vanguard Capital Management LLC13G5.07%1.99M sharesNewApr 30, 20261 filingApr 30, 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

28 Schedule 13D and 13G filings on Penumbra Inc, newest first, including old-format filings without a stake.

Schedule 13D and 13G filings on PEN
Filed (ET)FilerFormStakeChangeEvent dateFiling
Aug 13, 20266:47 PM ETBarclays PLC13G5.95%2.34M sharesNewJun 30, 2026SEC
Apr 30, 202611:56 AM ETVanguard Capital Management LLC13G5.07%1.99M sharesNewMar 31, 2026SEC
Mar 27, 202611:22 AM ETVanguard Group Inc13G/A0.00%0 shares–Below 5%Mar 13, 2026SEC
Feb 6, 20261:11 PM ETFMR LLCand 1 other13G/A4.70%1.83M shares−8.30 ppfrom 13.00%Below 5%Jan 30, 2026SEC
Feb 5, 20261:31 PM ETFMR LLCand 1 other13G/A13.00%5.10M shares–Dec 31, 2025SEC
Feb 14, 20259:44 AM ETPrice T Rowe Associates Inc13G/A3.30%1.27M shares–Below 5%Dec 31, 2024SEC
Nov 14, 2024Price T Rowe Associates Inc13G/AOld format–––SEC
Nov 12, 2024Capital Research Global Investors13G/AOld format–––SEC
Feb 14, 2024Price T Rowe Associates Inc13GOld format–New–SEC
Feb 13, 2024Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2024Capital Research Global Investors13G/AOld format–––SEC
Feb 9, 2024FMR LLC13G/AOld format–––SEC
Jan 24, 20242:27 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 13, 2023Capital Research Global Investors13G/AOld format–––SEC
Feb 9, 2023Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2023FMR LLC13G/AOld format–––SEC
Jan 23, 20233:52 PM ETBlackRock Inc.13G/AOld format–––SEC
Oct 7, 20222:58 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 11, 2022Capital Research Global Investors13G/AOld format–––SEC
Feb 10, 2022Vanguard Group Inc13G/AOld format–––SEC
Feb 9, 2022FMR LLC13G/AOld format–––SEC
Feb 4, 2022Wellington Management Group LLP13G/AOld format–––SEC
Feb 2, 20227:11 PM ETBlackRock Inc.13G/AOld format–––SEC
Feb 16, 2021Capital Research Global Investors13GOld format–New–SEC
Feb 10, 2021Vanguard Group Inc13G/AOld format–––SEC
Feb 8, 2021FMR LLC13G/AOld format–––SEC
Feb 4, 2021Wellington Management Group LLP13GOld format–New–SEC
Jan 29, 20215:22 PM ETBlackRock Inc.13G/AOld format–––SEC

Form 144: proposed insider sales

13 notices from officers, directors and other affiliates planning to sell Penumbra Inc shares, newest first.

Form 144 notices for PEN
Filed (ET)SellerShares to sellMarket valuePlanned saleBrokerFiling
Dec 1, 20235:05 PM ETJohanna RobertsOfficer2.10K$478.3KDec 1, 202310b5-1JP Morgan Securities LLCSEC
Nov 30, 20234:06 PM ETBridget A O'RourkeDirector150$34.0KNov 30, 202310b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Oct 2, 20234:18 PM ETSurbhi SarnaDirector85$20.5KOct 2, 202310b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Oct 2, 202311:06 AM ETGrewal HarpreetDirector170$41.0KOct 2, 202310b5-1Fidelity Brokerage Services LLCSEC
Sep 8, 20234:14 PM ETDon W KassingDirector444$128.2KSep 8, 202310b5-1Morgan Stanley Smith Barney LLC Executive Financial ServicesSEC
Sep 1, 20234:07 PM ETJohanna RobertsOfficer2.70K$715.0KSep 1, 202310b5-1JP Morgan Securities LLCSEC
Sep 1, 202312:43 PM ETGrewal HarpreetDirector340$90.7KSep 1, 202310b5-1Fidelity Brokerage Services LLCSEC
Aug 11, 20234:38 PM ETAdam ElsesserAffiliate29.0K$7.18MAug 11, 202310b5-1J.P. Morgan Securities LLCSEC
Aug 8, 20235:42 PM ETDon W KassingDirector323$81.1KAug 8, 202310b5-1E*TRADE FINANCIAL CORPORATIONSEC
Aug 7, 20234:58 PM ETThomas Wilder IIIDirector340$86.2KAug 7, 202310b5-1E*TRADE FINANCIAL CORPORATIONSEC
Jun 1, 20234:37 PM ETJohanna RobertsOfficer2.70K$832.1KJun 1, 202310b5-1JP Morgan Securities LLCSEC
May 11, 20234:25 PM ETAdam ElsesserAffiliate29.0K$9.20MMay 11, 202310b5-1J.P. Morgan Securities LLCSEC
May 1, 202310:32 AM ETArani BoseAffiliate5.00K$1.43MMay 1, 202310b5-1J.P. Morgan Securities LLCSEC