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

Insider buying vs selling

Have Teradyne Inc insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Marilyn MatzDirector2026-06-151,200$423.03
$507.64kSell
Gregory Stephen SmithPresident and CEO2026-06-154,000$423.03
$1.69MSell
Mercedes JohnsonDirector2026-06-02167$369.74
$61.75kSell
Jean Pierre HathoutPresident Teradyne Robotics2026-06-02174$392.62
$68.32kSell
Jean Pierre HathoutPresident Teradyne Robotics2026-06-01267$369.47
$98.65kSell
Shannon John PoulinPresident Semiconductor Test2026-05-22656$355.00
$232.88kSell
Shannon John PoulinPresident Semiconductor Test2026-05-211,531$345.98
$529.70kSell
Shannon John PoulinPresident Semiconductor Test2026-05-212,843$82.61
$234.86kBuy
Marilyn MatzDirector2026-05-21400$350.00
$140.00kSell
Shannon John PoulinPresident Semiconductor Test2026-05-211,008$345.37
$348.13kSell

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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
Blackrock Inc10.42%16,305,187$7.14BInstitution
Vanguard Capital Management LLC6.50%10,176,191$4.46BInstitution
Vanguard Portfolio Management LLC5.50%8,602,918$3.77BInstitution
State Street Corp4.45%6,970,426$3.05BInstitution
Geode Capital Management LLC2.79%4,368,680$1.91BInstitution
Fmr LLC2.31%3,609,505$1.58BInstitution
Jpmorgan Chase Co1.83%2,870,640$1.26BInstitution
Ameriprise Financial Inc1.82%2,843,976$1.25BInstitution
Alkeon Capital Management LLC1.78%2,789,510$1.22BInstitution
Invesco Ltd1.61%2,520,584$1.10BInstitution

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TER vs Semiconductor Equipment Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
TER92.44%1.14%Net SellingNet Selling
Q74.05%0.14%Net SellingNet Selling
ENTG81.55%18.45%Net SellingNet Selling
AMKR7.32%92.68%Net SellingNet Selling
NVMI68.56%7.24%Net SellingNet Selling

Teradyne Stock Ownership FAQ

Who owns Teradyne?

Teradyne (NASDAQ: TER) is owned by 92.44% institutional shareholders, 1.14% Teradyne insiders, and 6.41% retail investors. Blackrock Inc is the largest individual Teradyne shareholder, owning 16.31M shares representing 10.42% of the company. Blackrock Inc's Teradyne shares are currently valued at $7.14B.

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