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.
| Investor | Value | Share of portfolio |
|---|---|---|
Takis SparaggisAlkeon Capital Management, Q2 2026 | $1B | 1.41% |
Stephen MandelLone Pine Capital, Q2 2026 | $722.4M | 4.42% |
Cathie WoodARK Investment Management, Q2 2026 | $312M | 2.03% |
| $136.6M | 0.09% | |
Ray DalioBridgewater Associates, Q2 2026 | $47.7M | 0.20% |
Lee AinslieMaverick Capital, Q2 2026 | $1M | 0.01% |
Barry RitholtzRitholtz Wealth Management, Q2 2026 | $663.3K | 0.01% |
Politicians who own it
Estimated from annual disclosures and trades; values are rough estimates.
| Politician | Est. value | Share of portfolio |
|---|---|---|
Alan ArmstrongR-OK · Senate | $11.2K | 0.22% |
Investors buying and selling
| Investor | Action | Shares now |
|---|---|---|
| Takis Sparaggis | Reduced −22% | 2,163,010 |
| Stephen Mandel | Reduced −20% | 1,493,080 |
| Cathie Wood | Reduced −48% | 644,782 |
| Ray Dalio | Reduced −71% | 98,627 |
| National Pension Service (Korea) | Reduced −13% | 282,335 |
| Rob Citrone | Sold out | 0 |
| Lee Ainslie | New | 2,101 |
| Barry Ritholtz | Added +20% | 1,371 |
| Jeremy Grantham | Sold out | 0 |
Politicians trading it
Latest Congress trades disclosed under the STOCK Act; amounts are ranges.
| Politician | Action | Traded |
|---|---|---|
Alan ArmstrongR-OK · Senate | Bought$1K–$15K | Mar 27, 2026disclosed Jul 21, 2026 |
Lisa C. McClainSpouseR-MI · House | Sold$1K–$15K | Oct 31, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Sold$1K–$15K | Oct 30, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Bought$1K–$15K | Oct 30, 2025disclosed Nov 21, 2025 |
Lisa C. McClainSpouseR-MI · House | Bought$1K–$15K | Jun 17, 2025disclosed Aug 13, 2025 |
Julie JohnsonJointD-TX · House | Sold$1K–$15K | Apr 1, 2025disclosed May 14, 2025 |
Julie JohnsonJointD-TX · House | Sold$1K–$15K | Mar 3, 2025disclosed Apr 14, 2025 |
Julie JohnsonJointD-TX · House | Bought$1K–$15K | Feb 12, 2025disclosed Mar 12, 2025 |
Tommy TubervilleJointR-AL · Senate | Sold$1K–$15K | May 3, 2024disclosed Jun 14, 2024 |
Tommy TubervilleJointR-AL · Senate | Sold$1K–$15K | May 3, 2024disclosed Aug 5, 2026 |
Susie LeeJointD-NV · House | Sold$1K–$15K | Jun 9, 2021disclosed Jul 13, 2021 |
Susie LeeJointD-NV · House | Bought$1K–$15K | Apr 1, 2021disclosed May 10, 2021 |
Tommy TubervilleJointR-AL · Senate | Bought$1K–$15K | Mar 29, 2021disclosed Jul 23, 2021 |
Susie LeeJointD-NV · House | Bought$1K–$15K | Feb 23, 2021disclosed Mar 11, 2021 |