Buyback Radar
Company reports

Teradyne

TER

Teradyne has retired 28.2% of its shares since 2014, from 217,783,809 to 156,340,750.

28.2%retired since 2014
4.1%last 5 years
0.2%last 12 months
156Mshares today
Shares outstanding, 1999 to todaysplit adjusted, from SEC filings
a quarter gone 2020218M shares, 2014156M200020052010201520202025
1999, 172,399,5042026-07-27, 156,340,750
A share bought in 1999
1.1× more of Teradyne today, without buying another share. It was one of 172,399,504 shares then. It is one of 156,340,750 now.
Every filing we read27 fiscal years, split adjusted
Fiscal yearDateShares outstandingFiling
19992000-02-27172,399,50410-Kcover page
20002001-02-25173,888,27810-Kcover page
20012002-02-24182,358,50610-K405cover page
20022003-02-21184,891,14510-Kcover page
20032004-02-27193,908,83610-Kcover page
20042005-02-28195,625,13410-Kcover page
20052006-02-24198,096,04910-Kcover page
20062006-02-23189,763,45410-Kcover page
20072008-02-22174,344,11210-Kcover page
20082009-02-23172,696,51810-Kcover page
20092009-12-31174,908,00010-K
20102011-02-22185,346,61910-K
20112012-02-22186,457,25810-K
20122013-02-22190,315,02010-K
20132014-02-21193,977,54410-K
20142015-02-20217,783,80910-K
20152016-02-22204,336,49310-K
20162017-02-24200,302,17810-K
20172018-02-23195,422,67310-K
20182019-02-25173,629,28310-K
20192020-02-24166,784,49710-K
20202021-02-16166,694,77210-K
20212022-02-16162,417,04610-K
20222023-02-17156,047,86810-K
20232024-02-16153,080,60710-K
20242025-02-14161,718,76610-K
20252026-02-16156,555,95010-K

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

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Teradyne buybacks, answered

Is Teradyne buying back its stock?

Only enough to stand still. The share count is roughly flat over the last twelve months, at 156,340,750 as of July 27, 2026. Over five years the share count is down 4.1%.

How many shares has Teradyne bought back?

Net of every new share it issued, Teradyne has 61.4 million fewer shares than at its 2014 peak. That is 28.2% of the company.

How many shares does Teradyne have outstanding?

156,340,750 shares, as of July 27, 2026, from the cover page of its latest 10-Q. At the 2014 peak it had 217,783,809.

What do Teradyne's buybacks mean for a shareholder?

Each share is a bigger slice of the company. Someone who held Teradyne stock in 2014 owns 1.4 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 Teradyne compare with other cannibal stocks?

Teradyne ranks No. 186 of 251 companies on Buyback Radar by share of the company retired since its peak. Close to it on the list: Autoliv (28.4%), Mondelez International (28.2%), Valmont Industries (28.0%), AGCO (27.9%).

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

Superinvestors who own it

Lee AinslieMaverick Capital2,101 shares, $1.0M, Q2 2026
Stephen MandelLone Pine Capital1,493,080 shares, $722.4M, 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 Teradyne in depth on Cannibal Stocks.

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