Buyback Radar
Company reports

Thermo Fisher

TMO

Thermo Fisher has retired 11.7% of its shares since 2007, from 418,600,105 to 369,747,286.

11.7%retired since 2007
6.2%last 5 years
1.6%last 12 months
370Mshares today
Shares outstanding, 2007 to todaysplit adjusted, from SEC filings
419M shares, 2007370M2010201520202025
2007, 418,600,1052026-06-27, 369,747,286
A share bought in 2007
1.1× more of Thermo Fisher today, without buying another share. It was one of 418,600,105 shares then. It is one of 369,747,286 now.
Every filing we read19 fiscal years, split adjusted
Fiscal yearDateShares outstandingFiling
20072008-02-01418,600,10510-Kcover page
20082009-01-31418,164,91010-Kcover page
20092010-02-05409,461,41410-K
20102011-02-05390,607,01610-K
20112012-02-04365,853,61010-K
20122013-02-02357,625,03410-K
20132014-02-01391,792,19410-K
20142015-01-31396,782,75710-K
20152016-02-06396,261,92810-K
20162017-02-04390,391,06110-K
20172018-02-03401,784,06610-K
20182019-02-02399,003,68110-K
20192020-02-01398,828,38910-K
20202021-02-06393,793,36210-K
20212022-02-05391,191,77010-K
20222023-02-04385,430,07710-K
20232024-02-03381,312,26810-K
20242025-02-01377,261,18210-K
20252026-01-31371,484,24410-K

Source: all 10-K filings of Thermo Fisher on EDGAR. Download this series as CSV. Licence CC BY 4.0, credit Buyback Radar.

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Thermo Fisher buybacks, answered

Is Thermo Fisher buying back its stock?

Yes. Thermo Fisher has 1.6% fewer shares outstanding than twelve months ago, 369,747,286 as of June 27, 2026. Over five years the share count is down 6.2%.

How many shares has Thermo Fisher bought back?

Net of every new share it issued, Thermo Fisher has 48.9 million fewer shares than at its 2007 peak. That is 11.7% of the company.

How many shares does Thermo Fisher have outstanding?

369,747,286 shares, as of June 27, 2026, from the cover page of its latest 10-Q. At the 2007 peak it had 418,600,105.

What do Thermo Fisher's buybacks mean for a shareholder?

Each share is a bigger slice of the company. Someone who held Thermo Fisher stock in 2007 owns 1.1 times as much of the business today without buying another share. Whether that was a good use of cash depends on the price paid.

How does Thermo Fisher compare with other cannibal stocks?

Thermo Fisher ranks No. 250 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: TripAdvisor (12.2%), Vail Resorts (12.0%), RTX (11.3%).

Every answer is computed from Thermo Fisher's own SEC filings and rebuilt every Monday. Latest count: 10-Q on EDGAR.

Superinvestors who own it

Tom GaynerMarkel Group73,100 shares, $36.6M, Q2 2026
David KatzMatrix Asset Advisors23,947 shares, $16.2M, Q3 2026
Andreas HalvorsenViking Global Investors1,937,415 shares, $971.3M, Q2 2026
Steven RomickFirst Pacific Advisors248,244 shares, $124.5M, Q2 2026
Harry BurnSound Shore Management165,318 shares, $82.9M, Q2 2026
Wally WeitzWeitz Investment Management115,200 shares, $57.8M, Q2 2026

From the latest 13F filings. All superinvestors.

Insider buying, last 12 months

No open-market purchases reported in the last 12 months.

The story

The numbers say what happened. The story says whether it can continue. We cover companies like Thermo Fisher in depth on Cannibal Stocks.

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