Teradyne, Inc
TER- Exchange
- Nasdaq
- Industry
- Instruments For Meas & Testing of Electricity & Elec Signals
- SEC CIK
- 0000097210
In the last 90 days, Teradyne, Inc insiders filed 0 open-market purchases and 11 sales; 1,432 institutions reported holding it in 13F filings for Q2 2026, worth $73.2B in total; 3 superinvestors hold it, including Lone Pine Capital and ARK Invest.
Key figures
- Market capClose on Nov 9, 2026
- $38.4B
- Insider buysOpen market, last 90 days
- 0
- Insider sellsLast 90 days, $5.92M in total
- 11
- 13F holdersQ2 2026, +207 vs. previous quarter
- 1,432
- 13F valueReported value at the end of Q2 2026
- $73.2B
- Superinvestors holdingAt the end of Q2 2026
- 3
Price chart
Financials
See financial statementsFrom SEC filings, in USD.
- Revenue, FY2025
- $3.19B
- +13.1% year over year
- Net income, FY2025
- $554.0M
- +2.2% year over year
- Free cash flow, FY2025
- $450.4M
- −5.0% year over year
- Revenue, Q3 FY2026
- $1.31B
- +69.8% year over year
Revenue flow, FY2025
Green is profit; orange is costs, expenses and taxes. Percentages are shares of revenue.
Short interest
See short dataFrom FINRA, settlement date Oct 15, 2026.
- Short interest
- 7.86M
- Shares sold short
- Change
- −773.6K
- −9.0% vs. previous
- Days to cover
- 2.91
- At average daily volume
Superinvestors holding TER, Q2 2026
Go to the superinvestors tab3 superinvestors report holding Teradyne, Inc on Form 13F. Percentages are the stock's share of each portfolio.
Lone Pine Capital
Stephen Mandel
4.4%
Teradyne, Inc's share of the portfolio
- Shares
- 1,493,080
- Value
- $722.4M
| Superinvestor | Weight | Value |
|---|---|---|
| Maverick Capital | <0.1% | $1.02M |
Latest insider trades
See all insider tradesOpen-market purchases and sales by Teradyne, Inc insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Nov 3, 2026 (view filing)4:54 PM ET | Nov 2 | 1 day | Johnson MercedesDirector | SSale | −166 | $275.44 | −$45.7K | −2.7%6.03K after | 10b5-1 |
| Oct 22, 2026 (view filing)12:07 PM ET | Oct 21 | 1 day | Matz MarilynDirector | SSale | −400 | $350.00 | −$140.0K | −3.1%12.6K after | 10b5-1 |
| Oct 19, 2026 (view filing)11:42 AM ET | Oct 15 | 4 days | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $341.28 | −$1.37M | −3.7%104.5K after | 10b5-1 |
| Oct 19, 2026 (view filing)11:35 AM ET | Oct 15 | 4 days | Matz MarilynDirector | SSale | −800 | $341.28 | −$273.0K | −5.8%13.0K after | 10b5-1 |
| Oct 2, 2026 (view filing)12:44 PM ET | Oct 1 | 1 day | Johnson MercedesDirector | SSale | −167 | $402.90 | −$67.3K | −2.6%6.20K after | 10b5-1 |
| Sep 18, 2026 (view filing)11:38 AM ET | Sep 17 | 1 day | Matz MarilynDirector | SSale | −400 | $351.11 | −$140.4K | −2.8%13.8K after | 10b5-1 |
| Sep 16, 2026 (view filing)12:23 PM ET | Sep 15 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $337.83 | −$1.35M | −3.6%108.5K after | 10b5-1 |
| Sep 16, 2026 (view filing)12:19 PM ET | Sep 15 | 1 day | Matz MarilynDirector | SSale | −800 | $337.83 | −$270.3K | −5.3%14.2K after | 10b5-1 |
| Sep 2, 2026 (view filing)2:28 PM ET | Sep 1 | 1 day | Johnson MercedesDirector | SSale | −167 | $341.30 | −$57.0K | −2.6%6.36K after | 10b5-1 |
| Aug 18, 2026 (view filing)11:14 AM ET | Aug 17 | 1 day | Smith Gregory StephenPresident and CEO | SSale | −4.00K | $425.00 | −$1.70M | −3.4%112.5K after | 10b5-1 |
Top 10 13F holders, Q2 2026
See all 1,432 holdersThe largest institutional positions in Teradyne, Inc at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 19,437,021 | $9.40B | 0.14% | +3,131,834+19.2% | Added |
| Vanguard Capital Management LLC | 10,225,398 | $4.95B | 0.11% | +49,207+0.5% | Added |
| Vanguard Portfolio Management LLC | 8,633,782 | $4.18B | 0.19% | +30,864+0.4% | Added |
| State Street Corp | 7,290,460 | $3.53B | 0.10% | +320,034+4.6% | Added |
| Invesco Ltd. | 6,683,098 | $3.23B | 0.26% | +4,162,514+165.1% | Added |
| JPMorgan Chase & Co | 5,570,053 | $2.58B | 0.15% | +2,699,413+94.0% | Added |
| Geode Capital Management, LLC | 4,602,292 | $2.22B | 0.12% | +233,612+5.3% | Added |
| FMR LLC | 4,105,776 | $1.99B | 0.09% | +496,271+13.7% | Added |
| Ameriprise Financial Inc | 2,719,428 | $1.32B | 0.27% | −124,548−4.4% | Reduced |
| Van Eck Associates Corp | 2,607,914 | $1.26B | 0.77% | +123,549+5.0% | Added |
Holders of 5% or more of TER
See all 3 holders and filingsHolders whose latest Schedule 13D or 13G filing reports 5% or more of Teradyne, Inc.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| BlackRock, Inc. | 13G/A | 11.10%17.5M shares | +1.00 ppfrom 10.10% | Jun 4, 20262 filings | Jul 30, 2026 | SEC |
| Vanguard Capital Management LLC | 13G | 7.49%11.7M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
| Vanguard Portfolio Management LLC | 13G | 5.50%8.62M shares | New | Apr 29, 20261 filing | Apr 29, 2026 | SEC |
Politician trades
All politician trades in TER6 members of Congress reported 15 trades in Teradyne, Inc since 2020. Newest filings:
| Filed | Politician | Type | Amount |
|---|---|---|---|
| Aug 5, 2026 | Tommy Tuberville Senate · AL | Sell (full) | $1K-$15K |
| Jul 21, 2026 | Alan Armstrong Senate · OK | Buy | $1K-$15K |
| Nov 21, 2025 | Lisa C. McClain House · MI | Sell | $1K-$15K |
| Nov 21, 2025 | Lisa C. McClain House · MI | Buy | $1K-$15K |
| Nov 21, 2025 | Lisa C. McClain House · MI | Sell | $1K-$15K |

Senate · AL · Aug 5, 2026
Sell (full)$1K-$15K

Senate · OK · Jul 21, 2026
Buy$1K-$15K

House · MI · Nov 21, 2025
Sell$1K-$15K

House · MI · Nov 21, 2025
Buy$1K-$15K

House · MI · Nov 21, 2025
Sell$1K-$15K