PENUMBRA INC (PEN) is held by 214 institutional investors that disclose positions via SEC 13F filings. The largest disclosed holder is BlackRock, Inc. as of Q1 2026.

Are institutions buying or selling PEN?

In Q1 2026, 127 institutions opened or increased positions in PENUMBRA INC while 105 reduced or exited — a net buying quarter.

What is the Smart Money Verdict on PEN?

The Smart Money Verdict combines four independent sources (institutional 13F activity, insider trades, activist filings, and congressional trades) into a single assessment for PENUMBRA INC.

How many hedge funds hold PEN?

214 institutional investors report holding PENUMBRA INC (PEN) as of Q1 2026, based on SEC 13F filings.

Is institutional money flowing into PEN?

As of Q1 2026, tracked institutions in PENUMBRA INC show 127 buyers versus 105 sellers — net inflows.

Are Congress members and hedge funds both buying PEN?

Yes — in the latest quarter, 1 members of Congress and 127 institutional investors bought PENUMBRA INC. HoldingsIntel cross-checks STOCK Act disclosures against 13F filings to surface these overlaps.

PENUMBRA INC

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

214

Holders

(19 Elite)

$9.5B

Total Value

55% (232)

Consensus

127 buying - 105 selling

13F: Mar 31, 2026Insider & Congress: Updated regularly

Smart Money Verdict

View all

Held by 214 funds

19 elite

Who's Trading

ActivistVAVanguard Capital Management5.1%Apr 30, 2026

InsiderGHGrewal HarpreetSell $33KApr 2, 2026

Activist

The Vanguard Group0.0%Mar 27, 2026

InsiderYMYuen MaggieSell $832KMar 2, 2026

InsiderGHGrewal HarpreetSell $58KJan 6, 2026

InsiderWTWilder ThomasSell $58KJan 2, 2026

Congress

Donald J. TrumpSale $1,001 - $15,000Nov 10, 2025

Congress

Donald J. TrumpBuy $15,001 - $50,000Oct 9, 2025

Congress

Donald J. TrumpSale $1,001 - $15,000Aug 7, 2025

Congress

Lisa McClainSale $1,001 - $15,000Jul 10, 2025

View all insider trades View all activist filings View all congressional trades

Fund	Action	Shares	Value	Weight	Est. P&L	Conviction
BlackRock, Inc.	Increased	4.3M(+4.6%)	$1.4B	0.0%	+30.84%	33
VAVANGUARD CAPITAL MANAGEMENT LLC	New	1.7M	$556.4M	0.0%	-6.49%	43
VPVANGUARD PORTFOLIO MANAGEMENT LLC	New	1.7M	$543.3M	0.0%	-6.49%	43
HBK INVESTMENTS L P	New	1.6M	$536.6M	5.4%	-6.49%	97
STATE STREET CORP	Increased	1.2M(+2.5%)	$389.4M	0.0%	+27.46%	32
MILLENNIUM MANAGEMENT LLC	Increased	1.1M(+62.0%)	$360.6M	0.2%	+2.02%	54
BAILLIE GIFFORD & CO	Decreased	840,427(-4.1%)	$276M	0.3%	+58.11%	0
GEODE CAPITAL MANAGEMENT, LLC	Increased	795,448(+3.8%)	$261.3M	0.0%	+60.17%	32
BALYASNY ASSET MANAGEMENT L.P.	Increased	762,096(+370.7%)	$250.2M	0.3%	-1.01%	59
GOLDMAN SACHS GROUP INC	Increased	720,575(+126.5%)	$236.6M	0.0%	+6.22%	50
CITIGROUP INC	Increased	620,943(+1203.1%)	$203.9M	0.1%	-5.06%	49
UBS Group AG	Increased	560,335(+272.6%)	$184M	0.0%	+0.83%	49
Invesco Ltd.	Decreased	538,197(-15.7%)	$176.7M	0.0%	+22.32%	0
FMR LLC	Decreased	496,107(-90.3%)	$162.9M	0.0%	+33.42%	0
CIChamplain Investment Partners, LLC	Decreased	491,382(-18.4%)	$161.4M	2.0%	+57.80%	0
ExodusPoint Capital Management, LP	Increased	465,215(+2038.9%)	$152.8M	1.2%	-6.15%	77
Capital World Investors	Increased	450,815(+5.7%)	$148M	0.0%	+77.53%	32
TUDOR INVESTMENT CORP ET AL	New	411,118	$135M	0.3%	-6.49%	50
JPMORGAN CHASE & CO	Decreased	402,619(-49.5%)	$132.1M	0.0%	+22.05%	0
MORGAN STANLEY	Decreased	401,356(-23.6%)	$131.8M	0.0%	+47.65%	0