Teradyne, Inc (TER) shareholders
TERNasdaqInstruments For Meas & Testing of Electricity & Elec SignalsFiscal year ends December 31
Financials through Q3 FY2026, quarter ended Sep 27, 2026Last filing: 10-Q on Oct 30, 2026Score 21/3011% below fair value
$249.55−14.20 (-5.38%)
Close on Nov 13, 2026Market cap $38.96BP/E 28.7Yield 0.19%
Ownership
Institutional holdings as of Jun 30, 2026, from 13F filings
Held by institutions
97.4%
152M of 156M shares
Institutional holders
1,421
336 new, 125 sold out
Net institutional buying
8M
In Q2 2026
Insider trades, 12 months
0 buys · 33 sales
Net sold $15.70M
Shares held by institutions
Holders of more than 5%
Latest Schedule 13D (active) or 13G (passive) filed by each holder
| Holder | Shares | % of class | Filing | As of |
|---|---|---|---|---|
| BlackRock, Inc. | 17,452,401 | 11.10% | 13G (passive) amendment | Jun 30, 2026 |
| Vanguard Capital Management | 11,732,982 | 7.49% | 13G (passive) | Mar 31, 2026 |
| Vanguard Portfolio Management | 8,623,026 | 5.50% | 13G (passive) | Mar 31, 2026 |
Top institutional holders
13F holdings as of Jun 30, 2026
| Holder | Shares | % of TER | Value | Change | % of portfolio |
|---|---|---|---|---|---|
| BlackRock, Inc. | 19,437,021 | 12.45% | $9.40B | +3,131,834 | 0.14% |
| Vanguard Capital Management LLC | 10,225,398 | 6.55% | $4.95B | +49,207 | 0.11% |
| Vanguard Portfolio Management LLC | 8,633,782 | 5.53% | $4.18B | +30,864 | 0.19% |
| State Street Corp | 7,290,460 | 4.67% | $3.53B | +320,034 | 0.10% |
| Invesco Ltd. | 6,683,098 | 4.28% | $3.23B | +4,162,514 | 0.26% |
| JPMorgan Chase & Co | 5,570,053 | 3.57% | $2.58B | +2,699,413 | 0.14% |
| Geode Capital Management, LLC | 4,602,292 | 2.95% | $2.22B | +233,612 | 0.12% |
| FMR LLC | 4,105,776 | 2.63% | $1.99B | +496,271 | 0.09% |
| Ameriprise Financial Inc | 2,719,428 | 1.74% | $1.32B | −124,548 | 0.27% |
| Van Eck Associates Corp | 2,607,914 | 1.67% | $1.26B | +123,549 | 0.77% |
| Aqr Capital Management LLC | 2,416,624 | 1.55% | $1.14B | +233,416 | 0.40% |
| Norges Bank | 2,223,866 | 1.42% | $1.08B | New | 0.11% |
| Alkeon Capital Management LLC | 2,163,010 | 1.39% | $1.05B | −626,500 | 1.41% |
| Goldman Sachs Group Inc | 1,989,985 | 1.27% | $962.83M | +296,731 | 0.08% |
| UBS Asset Management Americas Inc | 1,978,124 | 1.27% | $957.10M | +12,659 | 0.17% |
| Morgan Stanley | 1,914,643 | 1.23% | $926.38M | −257,427 | 0.05% |
| T. Rowe Price Investment Management, Inc. | 1,774,086 | 1.14% | $858.37M | New | 0.56% |
| Bank Of America Corp /De/ | 1,741,943 | 1.12% | $842.82M | +655,984 | 0.05% |
| UBS Group AG | 1,643,499 | 1.05% | $795.19M | +533,522 | 0.10% |
| Price T Rowe Associates Inc /Md/ | 1,530,218 | 0.98% | $740.38M | −588,590 | 0.07% |
Institutional buying and selling by quarter
Positions opened, added to, reduced and closed by 13F filers
| Quarter | Holders | Shares held | % of shares | New / added | Reduced / closed | Shares bought | Shares sold |
|---|---|---|---|---|---|---|---|
| Q2 2026 | 1,421 | 152M | 97.4% | 336 / 491 | 464 / 125 | 30M | 22M |
| Q1 2026 | 1,230 | 145M | 92.7% | 298 / 421 | 394 / 90 | 42M | 29M |
| Q4 2025 | 1,037 | 153M | 97.8% | 295 / 308 | 322 / 70 | 20M | 33M |
| Q3 2025 | 830 | 166M | 100.0% | 193 / 275 | 254 / 80 | 35M | 31M |
| Q2 2025 | 728 | 162M | 100.0% | 108 / 261 | 278 / 116 | 22M | 15M |
| Q1 2025 | 746 | 156M | 99.7% | 120 / 272 | 253 / 139 | 21M | 25M |
| Q4 2024 | 775 | 160M | 100.0% | 131 / 271 | 268 / 95 | 22M | 27M |
| Q3 2024 | 755 | 167M | 100.0% | 95 / 311 | 244 / 83 | 27M | 15M |
| Q2 2024 | 754 | 169M | 100.0% | 130 / 264 | 247 / 48 | 26M | 24M |
| Q1 2024 | 680 | 167M | 100.0% | 71 / 259 | 238 / 93 | 18M | 16M |
| Q4 2023 | 710 | 166M | 100.0% | 119 / 227 | 268 / 83 | 19M | 8M |
| Q3 2023 | 683 | 155M | 99.4% | 68 / 249 | 257 / 68 | 11M | 12M |
Top mutual fund and ETF holders
Latest monthly portfolio reports (Form N-PORT)
960 funds held TER in Q2 2026, 57% of their shares through ETFs. Each fund counts once per quarter, from its quarter-end report.
| Fund | Shares | % of TER | Value | % of fund | As of |
|---|---|---|---|---|---|
| Vanguard Total Stock Market Index Fund | 4,969,718 | 3.18% | $2.40B | 0.10% | Jun 30, 2026 |
| Vanguard 500 Index Fund | 4,056,022 | 2.60% | $1.96B | 0.12% | Jun 30, 2026 |
| Vanguard Mid-Cap Index Fund | 3,391,641 | 2.17% | $1.64B | 0.73% | Jun 30, 2026 |
| iShares Semiconductor ETF | 3,325,956 | 2.13% | $1.61B | 3.36% | Jun 30, 2026 |
| Invesco QQQ Trust, Series 1 | 3,322,945 | 2.13% | $1.61B | 0.33% | Jun 30, 2026 |
| VanEck Semiconductor ETF | 2,386,619 | 1.53% | $1.15B | 1.50% | Jun 30, 2026 |
| iShares Core S&P 500 ETF | 2,153,297 | 1.38% | $1.04B | 0.12% | Jun 30, 2026 |
| Fidelity 500 Index Fund | 2,004,116 | 1.28% | $750.16M | 0.09% | May 31, 2026 |
| Vanguard Growth Index Fund | 1,790,966 | 1.15% | $866.54M | 0.23% | Jun 30, 2026 |
| JPMorgan Large Cap Growth Fund | 1,291,981 | 0.83% | $625.11M | 0.51% | Jun 30, 2026 |
| Vanguard Information Technology Index Fund | 1,252,859 | 0.80% | $468.96M | 0.27% | May 31, 2026 |
| Columbia Seligman Technology and Information Fund | 1,221,872 | 0.78% | $457.36M | 1.62% | May 31, 2026 |
| Vanguard Mid-Cap Growth Index Fund | 1,199,240 | 0.77% | $580.24M | 1.67% | Jun 30, 2026 |
| Direxion Daily Semiconductor Bull 3X Shares | 1,185,557 | 0.76% | $435.92M | 2.24% | Jul 31, 2026 |
| State Street(R) Technology Select Sector SPDR(R) ETF | 1,080,714 | 0.69% | $522.89M | 0.42% | Jun 30, 2026 |
Officers, directors and major owners
People who filed Forms 3, 4 or 5 in the last two years
| Name | Role | Shares owned | % of shares | Latest filing |
|---|---|---|---|---|
| Gregory Stephen Smith | President and CEO, Director | 104,495 | 0.07% | Oct 19, 2026 |
| Michelle L. Turner | Chief Financial Officer | 10,442 | 0.01% | Nov 5, 2026 |
| Jean Pierre Hathout | President, Teradyne Robotics | 9,733 | 0.01% | Jun 3, 2026 |
| Shannon John Poulin | President, Semiconductor Test | 15,722 | 0.01% | May 26, 2026 |
| Ryan Driscoll | VP, General Counsel, Secretary | 7,665 | 0.00% | May 11, 2026 |
| Regan Mills | President, Product Test | 11,399 | 0.01% | Apr 9, 2026 |
| Ujjwal Kumar | President, Teradyne Robotics | 16,369 | 0.01% | Aug 5, 2025 |
| Sanjay Mehta | VP and Chief Financial Officer | 36,576 | 0.02% | Feb 5, 2025 |
| Richard John Burns | President, Semiconductor Test | 25,191 | 0.02% | Feb 5, 2025 |
| John Francis Wood | President, System Test Group | 14,137 | 0.01% | Feb 4, 2025 |
| John Lukez | President, LitePoint Corp. | 4,185 | 0.00% | Feb 4, 2025 |
| Mercedes Johnson | Director | 7,907 | 0.01% | Nov 3, 2026 |
| Marilyn Matz | Director | 12,641 | 0.01% | Oct 22, 2026 |
| Andrew Chisholm Henry | Director | 2,991 | 0.00% | Sep 28, 2026 |
| Ernest E. Maddock | Director | 10,269 | 0.01% | Sep 28, 2026 |
| Peter Herweck | Director | 16,282 | 0.01% | Sep 28, 2026 |
| Paul J. Tufano | Director | 66,008 | 0.04% | Sep 28, 2026 |
| Necip Sayiner | Director | 2,800 | 0.00% | May 12, 2026 |
| Kralingen Bridget A. van | Director | 6,224 | 0.00% | May 12, 2026 |
Insider trades
Common stock transactions reported on Form 4, newest first
| Insider | Date | Transaction | Shares | Price | Value | Shares after |
|---|---|---|---|---|---|---|
| Michelle L. Turner Chief Financial Officer | Nov 3, 2026 | Tax withholding | −818 | $269.35 | $220.33K | 10,442 |
| Mercedes Johnson Director | Nov 2, 2026 | Sale(10b5-1 plan) | −166 | $275.44 | $45.72K | 6,031 |
| Marilyn Matz Director | Oct 21, 2026 | Sale(10b5-1 plan) | −400 | $350.00 | $140.00K | 12,641 |
| Gregory Stephen Smith President and CEO, Director | Oct 15, 2026 | Sale(10b5-1 plan) | −4,000 | $341.28 | $1.37M | 104,495 |
| Marilyn Matz Director | Oct 15, 2026 | Sale(10b5-1 plan) | −800 | $341.28 | $273.02K | 13,041 |
| Mercedes Johnson Director | Oct 1, 2026 | Sale(10b5-1 plan) | −167 | $402.90 | $67.28K | 6,197 |
| Peter Herweck Director | Sep 25, 2026 | Other | +4 | – | – | 16,282 |
| Paul J. Tufano Director | Sep 25, 2026 | Other | +19 | – | – | 66,008 |
| Ernest E. Maddock Director | Sep 25, 2026 | Other | +2 | – | – | 10,269 |
| Peter Herweck Director | Sep 24, 2026 | Award | +77 | – | – | 16,278 |
| Paul J. Tufano Director | Sep 24, 2026 | Award | +141 | – | – | 65,989 |
| Andrew Chisholm Henry Director | Sep 24, 2026 | Award | +64 | – | – | 2,991 |
| Marilyn Matz Director | Sep 17, 2026 | Sale(10b5-1 plan) | −400 | $351.11 | $140.44K | 13,841 |
| Gregory Stephen Smith President and CEO, Director | Sep 15, 2026 | Sale(10b5-1 plan) | −4,000 | $337.83 | $1.35M | 108,495 |
| Marilyn Matz Director | Sep 15, 2026 | Sale(10b5-1 plan) | −800 | $337.83 | $270.26K | 14,241 |
| Mercedes Johnson Director | Sep 1, 2026 | Sale(10b5-1 plan) | −167 | $341.30 | $57.00K | 6,364 |
| Gregory Stephen Smith President and CEO, Director | Aug 17, 2026 | Sale(10b5-1 plan) | −4,000 | $425.00 | $1.70M | 112,495 |
| Marilyn Matz Director | Aug 17, 2026 | Sale(10b5-1 plan) | −1,200 | $425.00 | $510.00K | 15,041 |
| Mercedes Johnson Director | Aug 3, 2026 | Sale(10b5-1 plan) | −166 | $358.15 | $59.45K | 6,531 |
| Marilyn Matz Director | Jul 15, 2026 | Sale(10b5-1 plan) | −1,200 | $356.31 | $427.57K | 16,241 |
| Gregory Stephen Smith President and CEO, Director | Jul 15, 2026 | Sale(10b5-1 plan) | −4,000 | $356.31 | $1.43M | 116,495 |
| Mercedes Johnson Director | Jul 1, 2026 | Sale(10b5-1 plan) | −167 | $460.00 | $76.82K | 6,697 |
| Paul J. Tufano Director | Jun 25, 2026 | Award | +116 | – | – | 65,848 |
| Andrew Chisholm Henry Director | Jun 25, 2026 | Award | +52 | – | – | 2,927 |
| Peter Herweck Director | Jun 25, 2026 | Award | +63 | – | – | 16,201 |
| Gregory Stephen Smith President and CEO, Director | Jun 15, 2026 | Sale(10b5-1 plan) | −4,000 | $423.03 | $1.69M | 120,470 |
| Marilyn Matz Director | Jun 15, 2026 | Sale(10b5-1 plan) | −1,200 | $423.03 | $507.64K | 17,441 |
| Ernest E. Maddock Director | Jun 12, 2026 | Other | +2 | – | – | 10,267 |
| Peter Herweck Director | Jun 12, 2026 | Other | +4 | – | – | 16,138 |
| Paul J. Tufano Director | Jun 12, 2026 | Other | +19 | – | – | 65,732 |
| Jean Pierre Hathout President, Teradyne Robotics | Jun 2, 2026 | Tax withholding | −174 | $392.62 | $68.32K | 9,733 |
| Mercedes Johnson Director | Jun 2, 2026 | Sale(10b5-1 plan) | −167 | $369.74 | $61.75K | 6,864 |
| Jean Pierre Hathout President, Teradyne Robotics | Jun 1, 2026 | Tax withholding | −267 | $369.47 | $98.65K | 9,907 |
| Shannon John Poulin President, Semiconductor Test | May 22, 2026 | Sale(10b5-1 plan) | −656 | $355.00 | $232.88K | 15,722 |
| Shannon John Poulin President, Semiconductor Test | May 21, 2026 | Sale(10b5-1 plan) | −1,008 | $345.37 | $348.13K | 15,066 |
| Shannon John Poulin President, Semiconductor Test | May 21, 2026 | Tax withholding | −1,531 | $345.98 | $529.70K | 16,378 |
| Shannon John Poulin President, Semiconductor Test | May 21, 2026 | Option exercise | +2,843 | $82.61 | $234.86K | 17,909 |
| Marilyn Matz Director | May 21, 2026 | Sale(10b5-1 plan) | −400 | $350.00 | $140.00K | 18,641 |
| Marilyn Matz Director | May 15, 2026 | Sale(10b5-1 plan) | −800 | $338.98 | $271.18K | 19,041 |
| Gregory Stephen Smith President and CEO, Director | May 15, 2026 | Option exercise | +4,597 | $72.10 | $331.44K | 133,067 |
| Gregory Stephen Smith President and CEO, Director | May 15, 2026 | Sale(10b5-1 plan) | −8,597 | $338.98 | $2.91M | 124,470 |
| Mercedes Johnson Director | May 8, 2026 | Award | +668 | – | – | 7,031 |
| Peter Herweck Director | May 8, 2026 | Award | +668 | – | – | 16,134 |
| Marilyn Matz Director | May 8, 2026 | Award | +668 | – | – | 19,841 |
| Kralingen Bridget A. van Director | May 8, 2026 | Award | +668 | – | – | 6,224 |
| Andrew Chisholm Henry Director | May 8, 2026 | Award | +668 | – | – | 2,875 |
| Paul J. Tufano Director | May 8, 2026 | Award | +668 | – | – | 65,713 |
| Ernest E. Maddock Director | May 8, 2026 | Award | +668 | – | – | 10,265 |
| Necip Sayiner Director | May 8, 2026 | Award | +668 | – | – | 2,800 |
| Ryan Driscoll VP, General Counsel, Secretary | May 7, 2026 | Sale(10b5-1 plan) | −680 | $377.60 | $256.77K | 7,665 |
| Regan Mills President, Product Test | Apr 8, 2026 | Sale(10b5-1 plan) | −16 | $342.17 | $5.47K | 11,399 |
| Mercedes Johnson Director | Apr 6, 2026 | Sale(10b5-1 plan) | −625 | $312.20 | $195.13K | 6,363 |
| Regan Mills President, Product Test | Apr 2, 2026 | Sale(10b5-1 plan) | −252 | $290.88 | $73.30K | 11,415 |
| Regan Mills President, Product Test | Apr 1, 2026 | Tax withholding | −222 | $312.20 | $69.31K | 11,667 |
| Shannon John Poulin President, Semiconductor Test | Apr 1, 2026 | Tax withholding | −1,162 | $312.20 | $362.78K | 16,074 |
| Andrew Chisholm Henry Director | Mar 26, 2026 | Award | +75 | – | – | 2,207 |
| Peter Herweck Director | Mar 26, 2026 | Award | +92 | – | – | 15,466 |
| Paul J. Tufano Director | Mar 26, 2026 | Award | +159 | – | – | 65,045 |
| Paul J. Tufano Director | Mar 13, 2026 | Other | +25 | – | – | 64,886 |
| Ernest E. Maddock Director | Mar 13, 2026 | Other | +2 | – | – | 9,597 |
Awards, option exercises, tax withholding and gifts are shown alongside open-market buys and sales. Each name links to the filing on SEC EDGAR.
Short interest
Shares sold short and not yet bought back, as of Oct 30, 2026 (FINRA, reported twice a month)
Short % of float
5.16%
8M shares short
Days to cover
2.0
At 4M shares a day
Change since last report
+2.2%
From 8M shares
Short volume, 20 days
49.9%
Of volume reported to FINRA
Shares sold short, last 12 months
Short sale volume counts trades marked short on any given day, including market-maker hedging, so it runs far higher than the share of Teradyne's stock actually held short. Settlement fails (shares not delivered on time) peaked at 280 shares on Sep 21, 2026 over the last 90 days.
Planned insider sales
Notices of proposed sale filed on Form 144 before shares are sold
| Seller | Filed | Shares | Market value | Planned sale | Acquired through |
|---|---|---|---|---|---|
| Mercedes Johnson Director | Nov 2, 2026 | 166 | $45.72K | Nov 2, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Oct 21, 2026 | 400 | $140.00K | Oct 21, 2026 | Restricted Stock Vesting |
| Gregory Stephen Smith Officer, Director | Oct 15, 2026 | 4,000 | $1.37M | Oct 15, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Oct 15, 2026 | 800 | $273.02K | Oct 15, 2026 | Restricted Stock Vesting |
| Mercedes Johnson Director | Oct 1, 2026 | 167 | $67.28K | Oct 1, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Sep 17, 2026 | 400 | $140.44K | Sep 17, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Sep 15, 2026 | 800 | $270.26K | Sep 15, 2026 | Restricted Stock Vesting |
| Gregory Stephen Smith Officer, Director | Sep 15, 2026 | 4,000 | $1.35M | Sep 15, 2026 | Restricted Stock Vesting |
| Mercedes Johnson Director | Sep 1, 2026 | 167 | $57.00K | Sep 1, 2026 | Restricted Stock Vesting |
| Gregory Stephen Smith Officer, Director | Aug 17, 2026 | 4,000 | $1.70M | Aug 17, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Aug 17, 2026 | 1,200 | $510.00K | Aug 17, 2026 | Restricted Stock Vesting |
| Mercedes Johnson Director | Aug 3, 2026 | 166 | $59.45K | Aug 3, 2026 | Restricted Stock Vesting |
| Marilyn Matz Director | Jul 15, 2026 | 1,200 | $427.57K | Jul 15, 2026 | Restricted Stock Vesting |
| Gregory Stephen Smith Officer, Director | Jul 15, 2026 | 4,000 | $1.43M | Jul 15, 2026 | Restricted Stock Vesting |
| Mercedes Johnson Director | Jul 1, 2026 | 167 | $76.82K | Jul 1, 2026 | Restricted Stock Vesting |
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