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TERADYNE (TER)
NASDAQ
$376.20+$0.46 (+0.12%)
Price as of Aug 21, 2026 7:58 PM EDT- $58.7BMarket Cap
- 226.71%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
TERADYNE (TER)
$376.20+$0.46 (+0.12%)
Top Holders
Institutional
Mutual Funds
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD GROUP INC | 12.98% | 20.3M | -1.1M (-5.52%) | Dec 31, 2025 |
BLACKROCK, INC. | 12.43% | 19.4M | +3.1M (+16.11%) | Jun 30, 2026 |
BLACKROCK FUNDING, INC. /DE | 10.14% | 15.9M | +225,735 (+1.42%) | Dec 31, 2024 |
BLACKROCK INC. | 9.32% | 14.6M | -137,861 (-0.95%) | Jun 30, 2024 |
VANGUARD CAPITAL MANAGEMENT LLC | 6.54% | 10.2M | +49,207 (+0.48%) | Jun 30, 2026 |
VANGUARD PORTFOLIO MANAGEMENT LLC | 5.52% | 8.6M | +30,864 (+0.36%) | Jun 30, 2026 |
N/A | 5.52% | 8.6M | +30,864 (+0.36%) | Jun 30, 2026 |
Holder | Ownership %
| Shares Held | Change (Shares, %) | Report Date |
|---|---|---|---|---|
VANGUARD INDEX FUNDS | 9.95% | 15.6M | +218,470 (+1.40%) | Mar 31, 2026 |
Virtus Strategy Trust | 2.29% | 3.6M | 0 (0.00%) | Sep 30, 2025 |
FIDELITY SELECT PORTFOLIOS | 2.28% | 3.6M | 0 (0.00%) | May 31, 2026 |
FIDELITY CONCORD STREET TRUST | 1.70% | 2.7M | +26,530 (+1.00%) | May 31, 2026 |
VanEck ETF Trust | 1.25% | 2.0M | 0 (0.00%) | Apr 30, 2026 |
SPDR S&P 500 ETF TRUST | 1.17% | 1.8M | -77,441 (-4.23%) | Mar 31, 2026 |
VANGUARD WORLD FUND | 0.88% | 1.4M | -405,521 (-29.61%) | May 31, 2026 |
Current Ownership Distribution
- Institutions2.2B (72.95%)
- Mutual Funds824.6M (27.00%)
- Insiders1.5M (0.05%)
- Other0 (0.00%)
Insider Transactions
- 0.05% (1.5M)Current InsiderOwnership (%, shares)
- 0Number of InsiderBuying (last 12 months)
- $0.00Amount of InsiderBuying (last 12 months)
- 4Number of InsiderSelling (last 12 months)
- $208.3MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
MATZ MARILYN | Sell | Aug 17, 2026 | $510,000.00 | 1,200 | $425.00 | 15,041 |
Smith Gregory Stephen President and CEO | Sell | Aug 17, 2026 | $1.7M | 4,000 | $425.00 | 112,495 |
MATZ MARILYN | Sell | Jul 15, 2026 | $427,572.00 | 1,200 | $356.31 | 16,241 |
Smith Gregory Stephen President and CEO | Sell | Jul 15, 2026 | $1.4M | 4,000 | $356.31 | 116,495 |
JOHNSON MERCEDES | Sell | Jul 01, 2026 | $76,820.00 | 167 | $460.00 | 6,697 |
TUFANO PAUL J | Award | Jun 25, 2026 | $0.00 | 116 | $0.00 | 65,848 |
Henry Andrew Chisholm | Award | Jun 25, 2026 | $0.00 | 52 | $0.00 | 2,927 |
Herweck Peter | Award | Jun 25, 2026 | $0.00 | 63 | $0.00 | 16,201 |
Smith Gregory Stephen President and CEO | Sell | Jun 15, 2026 | $1.7M | 4,000 | $423.03 | 120,470 |
MADDOCK ERNEST E | Other | Jun 12, 2026 | $0.00 | 2 | $0.00 | 10,267 |
Mills Regan President, Product Test | Sell | Apr 08, 2026 | $5,474.72 | 16 | $342.17 | 11,399 |
JOHNSON MERCEDES | Sell | Apr 06, 2026 | $195,125.00 | 625 | $312.20 | 6,363 |
Mills Regan President, Product Test | Sell | Apr 02, 2026 | $73,301.76 | 252 | $290.88 | 11,415 |
Mills Regan President, Product Test | In Kind | Apr 01, 2026 | $69,308.40 | 222 | $312.20 | 11,667 |
Herweck Peter | Award | Mar 26, 2026 | $0.00 | 92 | $0.00 | 15,466 |
TUFANO PAUL J | Award | Mar 26, 2026 | $0.00 | 159 | $0.00 | 65,045 |
Henry Andrew Chisholm | Award | Mar 26, 2026 | $0.00 | 75 | $0.00 | 2,207 |
MADDOCK ERNEST E | Other | Mar 13, 2026 | $0.00 | 2 | $0.00 | 9,597 |
Herweck Peter | Other | Mar 13, 2026 | $0.00 | 5 | $0.00 | 15,374 |
JOHNSON MERCEDES | Sell | Mar 05, 2026 | $187,000.00 | 625 | $299.20 | 6,988 |
Mills Regan President, Product Test | Sell | Feb 25, 2026 | $262,301.56 | 788 | $332.87 | 11,889 |
Smith Gregory Stephen President and CEO | Award | Feb 04, 2026 | $0.00 | 11,810 | $0.00 | 11,810 |
Hathout Jean Pierre President, Teradyne Robotics | Award | Feb 04, 2026 | $0.00 | 886 | $0.00 | 886 |
Driscoll Ryan VP, General Counsel, Secretary | Award | Feb 04, 2026 | $0.00 | 1,575 | $0.00 | 1,575 |
Hathout Jean Pierre President, Teradyne Robotics | Award | Feb 04, 2026 | $0.00 | 1,004 | $0.00 | 10,174 |
Smith Gregory Stephen President and CEO | Award | Feb 04, 2026 | $0.00 | 13,380 | $0.00 | 128,470 |
Driscoll Ryan VP, General Counsel, Secretary | Award | Feb 04, 2026 | $0.00 | 1,784 | $0.00 | 8,345 |
Driscoll Ryan VP, General Counsel, Secretary | In Kind | Feb 02, 2026 | $103,305.42 | 414 | $249.53 | 6,561 |
Smith Gregory Stephen President and CEO | In Kind | Feb 02, 2026 | $1.7M | 6,763 | $249.53 | 115,090 |
Hathout Jean Pierre President, Teradyne Robotics | In Kind | Feb 02, 2026 | $95,070.93 | 381 | $249.53 | 9,170 |