Technology · owned by 1 fund manager
Who owns Teradyne (TER)?
1 of the 22 fund managers we track hold Teradyne, worth $722M combined as of Q2 2026. Stephen Mandel has the biggest bet at 4.4% of the portfolio.
Ownership summary
Fund manager owners
1 / 22
0 opened new positions
Combined value
$722M
At quarter-end prices
Biggest weight
4.4%
Stephen Mandel
Buyers / sellers
0 / 1
Changes in Q2 2026
Smart money take
Why it matters
When several investors with very different styles own the same company, it’s often worth a closer look. Teradyne appears in 1 of our 22 portfolios.
- Largest holder: Stephen Mandel (4.4% of portfolio)
- 0 managers bought or added this quarter
- 1 manager trimmed or sold out
- 2 congressional trades disclosed recently (1 buys, 1 sells)
- Company insiders in Q3 2026: no open-market buys, sold $6M
This is not a recommendation. Do your own research.
Fund managers who own TER
SEC 13F · Q2 2026| Investor | % of portfolio | Activity | Shares | Value |
|---|---|---|---|---|
| Stephen Mandel Lone Pine Capital | 4.42% | Trimmed | 1,493,080 | $722M |
Congressional trades in TERAll politician trades
| Member | Type | Amount | Traded | Disclosed |
|---|---|---|---|---|
| R Tommy Tuberville Senate · AL | Sell | $1,001 – $15,000 | 3 May 2024 | 5 Aug 2026 |
| R Alan Armstrong Senate · OK | Buy | $1,001 – $15,000 | 27 Mar 2026 | 21 Jul 2026 |
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