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NASDAQ: TER
Teradyne Inc Stock Ownership - Who owns Teradyne?

OverviewForecastEarningsRevenueDividendOwnership

Insider buying vs selling

Have Teradyne Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Marilyn MatzDirector2026-10-21400$350.00
$140.00kSell
Marilyn MatzDirector2026-10-15800$341.28
$273.02kSell
Gregory Stephen SmithCEO;Pres2026-10-154,000$341.28
$1.37MSell
Mercedes JohnsonDirector2026-10-01167$402.90
$67.28kSell
Marilyn MatzDirector2026-09-17400$351.11
$140.44kSell
Marilyn MatzDirector2026-09-15800$337.83
$270.26kSell
Gregory Stephen SmithCEO;Pres2026-09-154,000$337.83
$1.35MSell
Mercedes JohnsonDirector2026-09-01167$341.30
$57.00kSell
Gregory Stephen SmithCEO;Pres2026-08-174,000$425.00
$1.70MSell
Marilyn MatzDirector2026-08-171,200$425.00
$510.00kSell

1 of 6

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Net Insider Buy/Sell (L12M) Ownership

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TER Shareholders

What type of owners hold Teradyne Inc stock?

Institutional
Insider
Retail
NameHoldSharesValueType
George W. Chamillard0.16%256,226$70.30MInsider
Mark E. Jagiela0.13%208,600$57.23MInsider
James W. Bagley0.09%136,127$37.35MInsider
Gregory Stephen Smith0.07%104,495$28.67MInsider
Edward Rogas Jr.0.06%92,196$25.30MInsider
Albert Carnesale0.04%68,747$18.86MInsider
Patricia S. Wolpert0.04%67,741$18.59MInsider
Paul J. Tufano0.04%66,008$18.11MInsider
Timothy E. Guertin0.04%62,729$17.21MInsider
John M. 1. Casey0.04%54,779$15.03MInsider

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TER vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TER0.10%1.13%Net SellingNet Selling
Q0.08%0.14%Net SellingNet Buying
ENTG0.11%24.48%Net SellingNet Selling
NVMI0.07%7.37%Net SellingNet Selling
ONTO0.10%33.92%Net SellingNet Selling
View Top Semiconductor Equipment Stocks

Teradyne Stock Ownership FAQ

Who owns Teradyne?

Teradyne (NASDAQ: TER) is owned by 0.10% institutional shareholders, 1.13% Teradyne insiders, and 98.77% retail investors. George W. Chamillard is the largest individual Teradyne shareholder, owning 256,226.00 shares representing 0.16% of the company. George W. Chamillard's Teradyne shares are currently valued at $66.88M.

If you're new to stock investing, here's how to buy Teradyne stock.
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