Institutional shares held 29.3 Million
254K calls
43.3K puts
Total value of holdings $8.58B
$74.2M calls
$12.7M puts
Market Cap $11.1B
37,888,400 Shares Out.
Institutional ownership 77.3%
# of Institutions 417


Latest Institutional Activity in PEN

Top Purchases

Q1 2025
Allspring Global Investments Holdings, LLC Shares Held: 321K ($94M)
Q1 2025
Rational Advisors LLC Shares Held: 12.2K ($3.57M)
Q1 2025
New York State Common Retirement Fund Shares Held: 72.3K ($21.2M)
Q1 2025
Cambridge Investment Research Advisors, Inc. Shares Held: 9.78K ($2.86M)
Q1 2025
Sg Americas Securities, LLC Shares Held: 9.33K ($2.73M)

Top Sells

Q1 2025
Gamma Investing LLC Shares Held: 709 ($208K)
Q1 2025
Congress Asset Management CO Shares Held: 546K ($160M)
Q1 2025
Massachusetts Financial Services CO Shares Held: 70.1K ($20.5M)
Q1 2025
Banque Pictet & Cie Sa Shares Held: 1.55K ($454K)
Q1 2025
Wcm Investment Management, LLC Shares Held: 40.5K ($11.9M)

About PEN

Penumbra, Inc. designs, develops, manufactures, and markets medical devices in the United States and internationally. The company offers aspiration based thrombectomy systems and accessory devices, including revascularization device for mechanical thrombectomy, such as Penumbra System under the Penumbra RED, JET, ACE, 3D Revascularization Device, and Penumbra ENGINE brands, as well as components and accessories; neurovascular embolization coiling systems to treat patients with various sizes of aneurysms and other neurovascular lesions under the Penumbra Coil 400, POD400, PAC400, and Penumbra SMART Coil brand names; and neurovascular access systems designed to provide intracranial access for use in a range of neurovascular therapies under the Neuron, Neuron MAX, Select, BENCHMARK, BMX96, DDC, and PX SLIM brands. It also provides neurosurgical aspiration tools for the removal of tissue and fluids under the Artemis Neuro Evacuation Device brand; aspiration-based thrombectomy systems for vascular applications under the Indigo System brand; and detachable embolic coil systems for peripheral embolization under the Ruby Coil and Ruby LP brand names. In addition, the company offers microcatheter for the delivery of detachable coils and occlusion devices under the LANTERN brand; and detachable, microcatheter-deliverable occlusion devices designed primarily to occlude peripheral vessels under the POD (Penumbra Occlusion Device) brand, as well as immersive computer-based technologies and immersive therapeutics to promote health, motor function, and cognition under the Real Immersive System brand; and a complementary device for use with Ruby Coil and POD for vessel occlusion under the Packing Coil and Packing Coil LP brands. The company sells its products through direct sales organizations and distributors. Penumbra, Inc. was incorporated in 2004 and is headquartered in Alameda, California.


Insider Transactions at PEN

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
215K Shares
From 14 Insiders
Grant, award, or other acquisition 22K shares
Exercise of conversion of derivative security 193K shares
Sell / Disposition
363K Shares
From 13 Insiders
Open market or private sale 289K shares
Payment of exercise price or tax liability 3.87K shares
Bona fide gift 69.9K shares

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P - Open market or private purchase×
S - Open market or private sale×
V - Transaction voluntarily reported earlier than required×
A - Grant, award, or other acquisition×
D - Sale (or disposition) back to the issuer×
F - Payment of exercise price or tax liability×
I - Discretionary transaction×
M - Exercise of conversion of derivative security×
C - Conversion of derivative security×
E - Expiration of short derivative position×
H - Expiration (or cancellation) of long derivative position with value received×
O - Exercise of out-of-the-money derivative securities×
X - Exercise of in-the-money or at-the-money derivatives securities×
G - Bona fide gift×
L - Small Acquisition×
W - Acquisition or disposition by will or laws×
Z - Deposit into or withdrawal from voting trust×
J - Other acquisition or disposition×
K - Transaction in equity swap or similar instrument×
U - Disposition due to a tender of shares in a change of control transaction×
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