Buyback Radar
Company reports

Seagate Technology

STX

Seagate Technology has retired 60.8% of its shares since 2006, from 578,786,348 to 226,644,518.

60.8%retired since 2006
-1.8%last 5 years
-6.1%last 12 months
227Mshares today
Shares outstanding, 2003 to todaysplit adjusted, from SEC filings
a quarter gone 2010half gone 2017579M shares, 2006227M20052010201520202025
2003, 447,047,7542026-07-31, 226,644,518
A share bought in 2003
2.0× more of Seagate Technology today, without buying another share. It was one of 447,047,754 shares then. It is one of 226,644,518 now.
Every filing we read24 fiscal years, split adjusted
Fiscal yearDateShares outstandingFiling
20032003-08-15447,047,75410-Kcover page
20042004-07-30462,473,29510-Kcover page
20052005-07-26477,115,09410-Kcover page
20062006-09-01578,786,34810-Kcover page
20072007-08-15534,146,25610-Kcover page
20082008-08-07487,883,91310-Kcover page
20092009-08-13495,417,05010-Kcover page
20102010-07-02493,008,77610-K
20112011-08-11419,546,62310-K
20122012-07-30397,268,22510-K
20132013-07-31356,816,94110-K
20142014-07-25326,812,29910-K
20152015-08-04302,033,93910-K
20162016-07-29298,609,23110-K
20172017-07-31291,813,27110-K
20182018-07-30287,184,72110-K
20192019-07-29269,037,76710-K
20202020-08-03257,461,53210-K
20212021-08-02227,603,06110-K
20222022-08-01208,755,41810-K
20232023-07-31207,393,24210-K
20242024-07-30210,195,23910-K
20252025-07-29212,677,17810-K
20262026-07-31226,644,51810-Kcover page

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

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Seagate Technology buybacks, answered

Is Seagate Technology buying back its stock?

Not on a net basis. Seagate Technology has 6.1% more shares outstanding than twelve months ago. Whatever it bought back did not cover the new shares it issued. Over five years the share count is up 1.8%.

How many shares has Seagate Technology bought back?

Net of every new share it issued, Seagate Technology has 352.1 million fewer shares than at its 2006 peak. That is 60.8% of the company. Since fiscal 2010 alone it bought back about 455.0 million shares, while the count fell by 266.4 million. The difference went to employees and other new shares.

How many shares does Seagate Technology have outstanding?

226,644,518 shares, as of July 31, 2026, from the cover page of its latest 10-K. At the 2006 peak it had 578,786,348.

What do Seagate Technology's buybacks mean for a shareholder?

Each share is a bigger slice of the company. Someone who held Seagate Technology stock in 2006 owns 2.6 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 Seagate Technology compare with other cannibal stocks?

Seagate Technology ranks No. 26 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: Bath & Body Works (61.4%), Synchrony Financial (61.0%), Masco (59.6%), Alpha Pro Tech (59.4%).

Every answer is computed from Seagate Technology's own SEC filings and rebuilt every Monday. Latest count: 10-K on EDGAR.

Superinvestors who own it

Lee AinslieMaverick Capital1,210 shares, $1.2M, Q2 2026
Chase ColemanTiger Global Management285,100 shares, $275.1M, Q2 2026
Stanley DruckenmillerDuquesne Family Office122,000 shares, $118K, Q2 2026
Stephen MandelLone Pine Capital1,000,109 shares, $965.1M, 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 Seagate Technology in depth on Cannibal Stocks.

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