Teradyne Inc. – Investors and Politicians Who Own It

TER, 2 share classes and securities

Investors who own it

7 tracked investors, $2.3B in shares, each from their latest 13F.

InvestorValueShare of portfolio
Takis SparaggisAlkeon Capital Management, Q2 2026
$1B1.41%
Stephen MandelLone Pine Capital, Q2 2026
$722.4M4.42%
Cathie WoodARK Investment Management, Q2 2026
$312M2.03%
$136.6M0.09%
Ray DalioBridgewater Associates, Q2 2026
$47.7M0.20%
Lee AinslieMaverick Capital, Q2 2026
$1M0.01%
Barry RitholtzRitholtz Wealth Management, Q2 2026
$663.3K0.01%

Politicians who own it

Estimated from annual disclosures and trades; values are rough estimates.

PoliticianEst. valueShare of portfolio
Alan ArmstrongR-OK · Senate
$11.2K0.22%
InvestorActionShares now
Takis SparaggisAdded +30%1,932,910
Cathie WoodReduced −3.1%2,174,187

Politicians trading it

Latest Congress trades disclosed under the STOCK Act; amounts are ranges.

PoliticianActionTraded
Alan ArmstrongR-OK · Senate
Bought$1K–$15KMar 27, 2026disclosed Jul 21, 2026
Lisa C. McClainSpouseR-MI · House
Sold$1K–$15KOct 31, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Sold$1K–$15KOct 30, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Bought$1K–$15KOct 30, 2025disclosed Nov 21, 2025
Lisa C. McClainSpouseR-MI · House
Bought$1K–$15KJun 17, 2025disclosed Aug 13, 2025
Julie JohnsonJointD-TX · House
Sold$1K–$15KApr 1, 2025disclosed May 14, 2025
Julie JohnsonJointD-TX · House
Sold$1K–$15KMar 3, 2025disclosed Apr 14, 2025
Julie JohnsonJointD-TX · House
Bought$1K–$15KFeb 12, 2025disclosed Mar 12, 2025
Tommy TubervilleJointR-AL · Senate
Sold$1K–$15KMay 3, 2024disclosed Jun 14, 2024
Tommy TubervilleJointR-AL · Senate
Sold$1K–$15KMay 3, 2024disclosed Aug 5, 2026
Susie LeeJointD-NV · House
Sold$1K–$15KJun 9, 2021disclosed Jul 13, 2021
Susie LeeJointD-NV · House
Bought$1K–$15KApr 1, 2021disclosed May 10, 2021
Tommy TubervilleJointR-AL · Senate
Bought$1K–$15KMar 29, 2021disclosed Jul 23, 2021
Susie LeeJointD-NV · House
Bought$1K–$15KFeb 23, 2021disclosed Mar 11, 2021