PENUMBRA INC

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PEN·70975L107·US·Common Stock·Healthcare - Medical Devices-13D/G

PEN (PENUMBRA INC) is held by 197 institutional investors as of Q2 2026. Largest holders: BlackRock, Inc. ($1.4B), HBK INVESTMENTS L P ($580.5M), VANGUARD CAPITAL MANAGEMENT LLC ($539.9M). Net institutional sentiment: Mixed.

197

Holders

(15 Elite)

$9.2B

Total Value

41% (209)

Consensus

85 buying - 124 selling

13F: Jun 30, 2026Insider & Congress: Updated regularly

Smart Money Verdict

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Institutional (13F)52

Insider (Form 4)47

Activist (13D/13G)37

Congressional (STOCK Act)59

Holder Quality

80

★★★★★

Elite

78

★★★★

Strong

88

★★★

Solid

46

★★

Below

47

★

Weak

Held by 197 funds

15 elite

Who's Trading

Source dates: Price Aug 28, 2026 · Insiders Aug 19, 2026 · Activists Aug 13, 2026 · Congress Aug 13, 2025

InsiderNSNarayan ShruthiVest 3K shAug 17, 2026

ActivistBarclays PLC6.0%Aug 13, 2026

ActivistVAVanguard Capital Management5.1%Apr 30, 2026

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Top Holders

Top Holders (197)History

AllNewIncreasedHeldDecreasedExited

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Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Decreased	4.3M(-0.8%)	$1.4B	0.0%	+32.87%	0
HBK INVESTMENTS L P	Increased	1.8M(+12.5%)	$580.5M	5.7%	-4.27%	69
VAVANGUARD CAPITAL MANAGEMENT LLC	Increased	1.7M(+0.9%)	$539.9M	0.0%	-4.97%	32
VPVANGUARD PORTFOLIO MANAGEMENT LLC	Increased	1.7M(+0.8%)	$526.4M	0.0%	-4.98%	32
STATE STREET CORP	Increased	1.2M(+4.8%)	$392.6M	0.0%	+27.88%	33
ExodusPoint Capital Management, LP	Increased	1.1M(+134.4%)	$344.3M	2.2%	-0.80%	86
BALYASNY ASSET MANAGEMENT L.P.	Increased	1.1M(+43.0%)	$344.2M	0.4%	+1.06%	50
JPMORGAN CHASE & CO	Increased	1.1M(+166.1%)	$338.6M	0.0%	+10.12%	50
GOLDMAN SACHS GROUP INC	Increased	847,104(+17.6%)	$267.5M	0.0%	+7.01%	36
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	Increased	834,903(+108.6%)	$263.6M	0.1%	+3.18%	59
GEODE CAPITAL MANAGEMENT, LLC	Increased	796,471(+0.1%)	$251.5M	0.0%	+57.15%	31
UBS Group AG	Increased	703,822(+25.6%)	$222.2M	0.0%	+2.38%	38
MILLENNIUM MANAGEMENT LLC	Decreased	700,611(-36.2%)	$221.2M	0.1%	+3.61%	0
MORGAN STANLEY	Increased	591,824(+47.5%)	$186.9M	0.0%	+30.41%	42
Capital World Investors	Increased	479,701(+6.4%)	$151.5M	0.0%	+72.38%	32
CITADEL ADVISORS LLC	Increased	448,763(+121.4%)	$141.7M	0.0%	+13.77%	49
Neuberger Berman Group LLC	Increased	438,553(+44.4%)	$138.5M	0.1%	-2.49%	41
CITIGROUP INC	Decreased	433,125(-30.3%)	$136.8M	0.0%	-3.58%	0
TWO SIGMA INVESTMENTS, LP	Increased	428,128(+635.4%)	$135.2M	0.1%	+2.55%	49
TUDOR INVESTMENT CORP ET AL	Decreased	400,649(-2.5%)	$126.5M	0.2%	-5.03%	0

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High Conviction Moves-Smart Money Convergence-Fund Consensus-Double-Down Detection

Data sourced from four public-disclosure sources: SEC 13F, Form 4, 13D/13G, and House/Senate STOCK Act disclosures. Not financial advice. Full disclaimer