DOSSIER · 13F Holders · Q2 2026Healthcare · Surgical & Medical Instruments & Apparatus
PEN

PENUMBRA INC

479 institutions still hold PENUMBRA INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 70975L107·Surgical & Medical Instruments & Apparatus·479 13F holders·last filed Jun 30, 2026
Market cap
13F value held
$6.9B
visible holders
Holders
479
filers reporting
Concentration
19.67%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q2 2026

479 institutions reported PEN in Q2 2026. BlackRock, Inc. leads at 19.7% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$1.4B4.3M0.02%Q2 2026
02
HBK INVESTMENTS L P
CIK 0001011443
$581M1.8M5.67%Q2 2026
03
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$540M1.7M0.01%Q2 2026
04
Vanguard Portfolio Management
CIK 0002100121· Index
$526M1.7M0.02%Q2 2026
05
STATE STREET CORP
CIK 0000093751
$393M1.2M0.01%Q2 2026
06
ExodusPoint Capital Management, LP
CIK 0001736225
$344M1.1M2.22%Q2 2026
07
BALYASNY ASSET MANAGEMENT L.P.
CIK 0001218710
$344M1.1M0.43%Q2 2026
08
JPMORGAN CHASE & CO
CIK 0000019617
$339M1.1M0.02%Q2 2026
09
MILLENNIUM MANAGEMENT LLC
CIK 0001273087
$299M948K0.11%Q2 2026
10
GOLDMAN SACHS GROUP INC
CIK 0000886982
$271M857K0.02%Q2 2026
11
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$264M835K0.12%Q2 2026
12
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$252M796K0.01%Q2 2026
13
NORGES BANK
CIK 0001374170· Sovereign
$238M752K0.02%Q2 2026
14
UBS Group AG
CIK 0001610520
$222M704K0.03%Q2 2026
15
MORGAN STANLEY
CIK 0000895421
$187M592K0.01%Q2 2026
16
WHITEBOX ADVISORS LLC
CIK 0001257391
$160M507K2.09%Q2 2026
17
CITADEL ADVISORS LLC
CIK 0001423053
$158M502K0.02%Q2 2026
18
Capital World Investors
CIK 0001422849
$151M480K0.02%Q2 2026
19
Neuberger Berman Group LLC
CIK 0001465109
$138M439K0.09%Q2 2026
20
CITIGROUP INC
CIK 0000831001
$137M433K0.05%Q2 2026
Page 1 of 24
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Insiders at PENUMBRA INC
Narayan ShruthiElsesser AdamGrewal HarpreetRoberts JohannaShiu LambertYuen MaggieBose Arani