Penumbra (PEN) logo

Penumbra (PEN) stock

Blood clot devices , market cap $13B

After-hours
$321.11
0.00%

Close $321.11 -0.42%

As of 7:22 PM ET after-hours, delayed 15+ min · Live for Pro members

Quality Score
0
Below Average
In its industry
#67of 85

PEN's Quality Score was unchanged on Wed, Nov 4, at 0.

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Why PEN beats the market

Up 37% in a year while the S&P 500 rose 15%.

  • Its operating margin went from 0.8% in fiscal 2024 to 13.5% in fiscal 2025, and its profit per share went from $0.36 to $4.52.

Sources: Price history, Nov 4, 2026; Annual reports, Dec 31, 2025; Peers' annual reports, Nov 4, 2026

1 more reason, free with an account →1 more reason why PEN beats the market, from its filings, with the timeline and its peers, for Pro members.

Key facts on PEN

Key facts on PEN
Latest filing8-K, Oct 29 Reported its quarterly results

PEN in the news

TodayOn a down day.

PEN catalysts

Coming up

After its last 4 reports it closed +0.1% on average, higher 3 of 4 times.

24 past catalysts since 2018, with sizes and sources, for Pro members.Get in free →

Why PEN scores 0

Below Averagefor quality, not price, 3 of 14 chart checks firingWhat the Quality Score means

  • +3Chart checks 3 of 14 firing right now, one point each
  • +3Long-term trend above a rising 200-⁠day average, near its 52-⁠week high
  • Size adds
  • Profit addsRead on the last four quarters against the four before, or the last full year where no quarters are filed.
  • Growth addsSales and margins against a year earlier: up to +3 for fast growth and widening margins, down to -2 when both shrink.

No effect today: Run-up, Dilution, Volatility, Cash flow, Persistence, and News.

What every line is worth, and the reason behind it, on PEN and every other stock.Get in free →

Price, score, chart checks, and the industry rank are from a snapshot taken at 7:22 PM ET, at least 15 minutes behind. How we rank stocks.

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

Alert me when PEN's Quality Score turns up

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    Every CEO buy, biggest names first. Sort, filter, save the list, and set optional alerts.

  • Congress trades

    A member's trades, newest first, each with its amount. Sort and filter the whole list.

  • 14 chart checks, read for you

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    Who reports each day, and how each stock took its last four reports.

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    Each date in the company's words, its cash against the date, and an optional alert before it.

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PEN has 3 of 14 chart checks firing

Volume1 of 3 shown
Tight range1 of 3 shown
Buying1 of 3 shown
The other 10 checks on PEN, and all 14 on every stock.Get in free →

PEN RSI today: 50.0, above its 50-day, below its 200-day

Not scored

Not in the Quality Score: over 20 years of tests, 2006 to 2026, they added no edge.

The deep dive on PEN

  • What it does and how it makes money6 findings"In 2025, direct sales accounted for approximately 90% of our revenue, with the balance generated by independent distributors that sell our products outside of the United States and by the arrangements with our partner in China, which include licensing royalty and distribution revenue." (10-K for fiscal 2025)SEC filing · Feb 25, 2026"Thirty-seven of our issued patents, which relate to components of the Penumbra Coil 400, Ruby Embolization Platform and Smart Coil System, are currently expected to expire between 2029 and 2037." (10-K for fiscal 2025)SEC filing · Feb 25, 2026
  • Where it stands3 findingsFor Pro members3 findings on where PEN stands: its cash, debt, and share count, for Pro members
  • What changed in its filings7 findings"Additionally, on April 10, 2023, a current employee of the Company filed a PAGA representative action complaint against the Company in the Superior Court of the State of California for the County of Alameda, on behalf of the employee and similarly situated Company employees in California, alleging similar claims." (10-Q for the quarter to Jun 30, 2026)SEC filing · Jul 30, 2026A new heading in its "Risk Factors" this year: "Uncertainty associated with our agreement to be acquired by Boston Scientific Corporation could have an adverse effect on our business." (10-K for fiscal 2025; not in fiscal 2024's)SEC filing · Feb 25, 2026, against the one of Feb 18, 2025
  • Who holds and trades it4 findingsFor Pro members4 findings on who holds and trades PEN, for Pro members
  • Against its closest peers4 peersNet income over four quarters: PEN $161M, SYK $3.73B, DXCM $1.00B, MMSI $146M.
16 more findings on PEN, each with its source, for Pro membersGet in free →

How PEN ranks in Medical Devices

PEN is #67 of 85 by Quality Score.

How PEN ranks in Medical Devices
67Penumbra (PEN) logoPENPenumbra0

Net income over four quarters: PEN $161M, SYK $3.73B, DXCM $1.00B, MMSI $146M.

More in Medical Devices

When does PEN report earnings, and what happens after?

Expected to report Wed Feb 24, after the close (in 111 days). Expected.

What an earnings report is: every 3 months, a company tells everyone how much it sold and earned. We read the figures, the outlook, and how the stock moved after.

What PEN reported on Oct 29, 2026

The quarter

Sales of $410.1M, 16% more than a year ago; a profit of $1.07 a share, from $1.17.

The quarter that ended Sep 30, from the company's press release

The press releaseThe filing on EDGAR

Where the sales came from

PEN's results filing gives no sales by line in a table we read.

The outlook

No outlook figures read from this release.

The numbers

Market value
$13B
today
Sales
$1.5B
up 17.6% on the year
Free cash flow
$216M
last 12 months

Sales grew 20% a year over 5 years, fiscal 2020 to 2025.

Its share count grew 1.9% a year over 5 years.

4 more figures, for Pro members.

No analyst estimates on Breakaway: every figure here is filed.

The whole report on PEN: every line of its sales, every outlook beside the one it replaced, and the company's words, for Pro members.Get in free →
ReportedGapReaction5
sessions
Oct 29, 2026After close-0.4%-0.9%-0.3%
Jul 30, 2026After close+1.0%+0.4%+1.6%
May 6, 2026After close-0.1%+0.1%-0.5%

PEN closed higher after 3 of its last 4 reports.

All 4 reports, and PEN's Quality Score going into each

PEN sales and profit by year

Sales and profit by year

Sales grew every year from 2018 to 2025, to $1.4B. It made a profit in six of the eight years.

Insiders trading PEN

PEN trades by Congress and the executive branch

3 trades disclosed in the last six months. The newest:

SellDonald Trump$1K to $15KPresident (R)traded Jun 23, disclosed Aug 22(60 days later)
All 3 trades on PEN disclosed by Congress and the executive branch, for Pro members.Get in free →

See what Congress is buying across the market

PEN's officers and directors

Officers and directors with a Form 4 in the last 12 months.

3 more officers and directors file at PEN. Each page above names the rest.

See insider trades by person

Which ETFs hold PEN?

In ETFs: PEN is under 0.1% of SCHG and under 0.1% of VTI, the most of the 24 funds Breakaway covers, by each fund's latest filing, Jun 30 to Aug 31, 2026.

About Penumbra

Domiciled in the US, Penumbra designs, manufactures, and markets an array of thrombectomy and embolization devices and equipment to mechanically remove blood clots. The firm sells mainly to hospitals and physicians. These minimally invasive devices are primarily used in the acute care setting for patients with stroke, pulmonary embolism, deep vein thrombosis, cranial aneurysms, and other vascular diseases.

4,700 employeesAlameda, CApenumbrainc.com

What Penumbra says it competes with

“The medical device industry is intensely competitive, subject to rapid change and significantly affected by new product introductions and other market activities of industry participants.”

From its annual report, SEC filing · Feb 25, 2026

2 more sentences, what it says it does, and its sales by region, for Pro membersGet in free →

PEN's score card

Penumbra (PEN): Quality Score 0, Below Average, #67 of 85 in Medical Devices, with its price, on Breakaway
The picture a link to this page shows when it is shared.

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  • 2 more filings explained, a plain line each
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  • Every line of PEN's score, with the points and the reason
BreakawayJul 1Donald Trump bought PEN$1K to $15K, disclosed Jul 1

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Straight Answers

As of Nov 5, 2026: PEN's Quality Score is 0 (Below Average), #67 of 85 in Medical Devices.

Is PEN a good stock to buy? What its Quality Score says

PEN scores 0 today, which Breakaway calls Below Average. It is #67 of 85 in Medical Devices by Quality Score, with 3 of 14 chart checks firing. Up 37% in a year while the S&P 500 rose 15%. Breakaway does not say whether to buy any stock: the score does not know your situation, and it is not a recommendation to buy or sell anything. Please do your own research.

What is PEN's Quality Score?

PEN scores 0 today, which Breakaway calls Below Average (0 to 5). That is #67 of 85 in Medical Devices by Quality Score. The score adds up the chart checks, the trend, the company's filed sales, its profits, the news, insider trades, and Congress trades. The section above lists the lines behind PEN's 0.

When does PEN report earnings?

Expected to report Wed Feb 24, after the close, a date Breakaway expects from the company's usual timing; the company has not confirmed it. PEN closed higher after 3 of its last 4 reports. Past behavior, not a forecast.

Are the prices delayed?

Only on the public pages, which run at least 15 minutes behind. Pro members, and anyone on a guest pass, see real-time prices: the scanner refreshes every 15 seconds, and your watchlist every few seconds, pre-market and after hours included.

The moves after past earnings reports are past behavior, not a forecast.

The price, the score, the chart checks and readings, and the industry rank on this page are delayed at least 15 minutes.

Our top-scored stocks' record: Oct 2021 to Sep 2026, before costs. Recorded live since Sep 9 2026.

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