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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.

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Q3 2026 vs. Q2 2026

How the institutions holding Penumbra Inc changed between Q2 2026 and Q3 2026.

All holders in Q3 2026All holders in Q2 2026

13F holders of PEN: Q2 2026 compared with Q3 2026
MeasureQ2 2026Of which not filed for Q3 2026Q3 2026Change
Holders45144830
Shares34.1M34.1M25+1 (+4.2%)
Value$10.8B$10.8B$8.37K+$366 (+4.6%)

448 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so the changes leave them out.

New holders (0)

Institutions that held Penumbra Inc at the end of Q3 2026 but not at the end of Q2 2026.

None.

Sold out (0)

Institutions that held Penumbra Inc at the end of Q2 2026 and filed for Q3 2026 without it.

None.

Not filed for Q3 2026 yet (448)

Institutions that held Penumbra Inc at the end of Q2 2026 and haven't filed a 13F for Q3 2026. Not filing isn't selling, so they aren't counted as sold out.

Showing the largest 100 of 448 by value.

Institutions holding PEN in Q2 2026 that haven't filed for Q3 2026
InstitutionShares, Q2 2026Value, Q2 2026
BlackRock, Inc.4,297,555$1.36B
HBK Investments L P1,838,508$580.5M
Vanguard Capital Management LLC1,709,877$539.9M
Vanguard Portfolio Management LLC1,667,276$526.4M
State Street Corp1,243,258$392.6M
ExodusPoint Capital Management, LP1,090,430$344.3M
Balyasny Asset Management LLC1,090,163$344.2M
JPMorgan Chase & Co1,071,454$338.6M
Goldman Sachs Group Inc847,104$267.5M
Arrowstreet Capital, Limited Partnership834,903$263.6M
Geode Capital Management, LLC796,471$251.5M
Norges Bank752,242$237.5M
UBS Group AG703,822$222.2M
Millennium Management LLC700,611$221.2M
Morgan Stanley591,824$186.9M
CNH Partners LLC563,873$178.0M
Whitebox Advisors LLC506,881$160.0M
Capital World Investors479,701$151.5M
Citadel Advisors LLC448,763$141.7M
Neuberger Berman Group LLC438,553$138.5M
Citigroup Inc433,125$136.8M
Two Sigma Investments, LP428,128$135.2M
Tudor Investment Corp Et Al400,649$126.5M
Charles Schwab Investment Management Inc343,713$108.5M
Northern Trust Corp333,064$105.2M
Dimensional Fund Advisors LP326,120$103.0M
Alliancebernstein L.P.301,585$99.0M
Bank of America Corp266,017$84.0M
Invesco Ltd.263,980$83.4M
Magnetar Financial LLC255,841$80.8M
Vanguard Fiduciary Trust Co251,746$79.5M
Bank of New York Mellon Corp235,328$74.3M
Champlain Investment Partners, LLC219,032$69.2M
TIG Advisors, LLC215,082$67.9M
LMR Partners LLP213,893$67.5M
FMR LLC211,002$66.6M
Hudson Bay Capital Management LP203,138$64.1M
D. E. Shaw & Co., Inc.197,329$62.3M
Alpine Associates Management Inc.188,986$59.7M
Melqart Asset Management (UK) Ltd185,734$58.6M
Caxton Associates LLP179,384$56.6M
Adage Capital Partners GP, L.L.C.176,720$55.8M
Birnam Oak Advisors, LP171,277$54.1M
Glazer Capital, LLC158,127$49.9M
Westchester Capital Management, LLC157,472$49.7M
Water Island Capital LLC150,456$47.5M
Woodline Partners LP145,844$46.1M
Verition Fund Management LLC142,309$44.9M
Decagon Asset Management LLP142,001$44.8M
Squarepoint Ops LLC138,413$43.7M
Slotnik Capital, LLC133,000$42.0M
Westfield Capital Management Co LP131,394$41.5M
Jupiter Topco LLC130,275$41.1M
Holocene Advisors, LP128,012$40.4M
Natixis124,458$39.3M
Rock Springs Capital Management LP115,750$36.5M
Nuveen, LLC113,430$35.8M
Amundi109,888$34.7M
Rhumbline Advisers109,180$34.5M
Kryger Capital LLC107,207$33.9M
HSBC Holdings PLC101,245$32.0M
UBS Asset Management Americas Inc97,689$30.8M
Calamos Advisors LLC91,863$29.0M
Marshall Wace, LLP90,520$28.6M
Principal Financial Group Inc88,873$28.1M
Capitolis Liquid Global Markets LLC86,330$27.3M
Empyrean Capital Partners, LP85,000$26.8M
Capula Management Ltd83,000$26.2M
BNP Paribas Arbitrage, SA82,985$26.2M
Man Group plc80,224$25.3M
Renaissance Technologies LLC79,500$25.1M
Picton Mahoney Asset Management75,200$23.7M
Swiss National Bank74,980$23.7M
Carret Asset Management, LLC72,000$22.7M
C WorldWide Group Holding A/S72,000$22.7M
Susquehanna Portfolio Strategies, LLC66,945$21.1M
Quarry LP65,227$20.6M
Legal & General Group Plc64,912$20.5M
California Public Employees Retirement System64,327$20.3M
PFM Health Sciences, LP60,221$19.0M
Harvest Management LLC57,487$18.2M
Sculptor Capital LP57,000$18.0M
Gabelli & Co Investment Advisers, Inc.53,292$16.8M
Gabelli Funds LLC52,423$16.6M
Credit Industriel Et Commercial52,078$16.4M
First Trust Advisors LP49,183$15.5M
Barclays PLC46,953$14.8M
Price T Rowe Associates Inc44,624$14.1M
California State Teachers Retirement System43,286$13.7M
SG Americas Securities, LLC41,029$13.0M
Retirement Systems of Alabama40,680$12.8M
CSS LLC38,740$12.2M
State of Wisconsin Investment Board37,931$12.0M
Prelude Capital Management, LLC36,381$11.5M
Boussard & Gavaudan Gestion SAS36,340$11.5M
Vanguard Asset Management, Ltd36,049$11.4M
New York State Teachers Retirement System34,695$11.0M
Ameriprise Financial Inc34,403$10.9M
Alberta Investment Management Corp33,120$10.5M
Healthcare of Ontario Pension Plan Trust Fund33,033$10.4M