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TERADYNE (TER)
NASDAQ
$306.83-$38.66 (-11.19%)
Price as of Oct 22, 2026 6:00 PM EDT- $54.0BMarket Cap
- 149.32%1-Year Change
- Semiconductor Equipment & MaterialsIndustry
TERADYNE (TER)
$306.83-$38.66 (-11.19%)
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 | 9.97% | 15.6M | +37,148 (+0.24%) | Jun 30, 2026 |
INVESCO QQQ TRUST, SERIES 1 | 2.13% | 3.3M | +3.3M (+100.00%) | Jun 30, 2026 |
JPMORGAN TRUST II | 1.22% | 1.9M | +1.5M (+80.07%) | Jun 30, 2026 |
SPDR S&P 500 ETF TRUST | 1.21% | 1.9M | +65,865 (+3.47%) | Jun 30, 2026 |
VANGUARD WORLD FUND | 0.88% | 1.4M | -405,521 (-29.61%) | May 31, 2026 |
Direxion Shares ETF Trust | 0.82% | 1.3M | +309,779 (+24.28%) | Jul 31, 2026 |
iSHARES TRUST | 0.79% | 1.2M | -7.4M (-597.42%) | Jul 31, 2026 |
Current Ownership Distribution
- Institutions2.2B (71.20%)
- Mutual Funds901.3M (28.75%)
- 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)
- $233.6MAmount of InsiderSelling (last 12 months)
Insider Name & Title | Type | Date
| Transaction Value | Shares | Share Price | Shares After Transactions |
|---|---|---|---|---|---|---|
MATZ MARILYN | Sell | Oct 21, 2026 | $140,000.00 | 400 | $350.00 | 12,641 |
MATZ MARILYN | Sell | Oct 15, 2026 | $273,024.00 | 800 | $341.28 | 13,041 |
JOHNSON MERCEDES | Sell | Oct 01, 2026 | $67,284.30 | 167 | $402.90 | 6,197 |
TUFANO PAUL J | Other | Sep 25, 2026 | $0.00 | 19 | $0.00 | 66,008 |
MADDOCK ERNEST E | Other | Sep 25, 2026 | $0.00 | 2 | $0.00 | 10,269 |
Herweck Peter | Other | Sep 25, 2026 | $0.00 | 4 | $0.00 | 16,282 |
TUFANO PAUL J | Award | Sep 24, 2026 | $0.00 | 141 | $0.00 | 65,989 |
Herweck Peter | Award | Sep 24, 2026 | $0.00 | 77 | $0.00 | 16,278 |
MATZ MARILYN | Sell | Sep 17, 2026 | $140,444.00 | 400 | $351.11 | 13,841 |
Smith Gregory Stephen President and CEO | Sell | Sep 15, 2026 | $1.4M | 4,000 | $337.83 | 108,495 |
Smith Gregory Stephen President and CEO | Sell | Aug 17, 2026 | $1.7M | 4,000 | $425.00 | 112,495 |
MATZ MARILYN | Sell | Aug 17, 2026 | $510,000.00 | 1,200 | $425.00 | 15,041 |
Smith Gregory Stephen President and CEO | Sell | Jul 15, 2026 | $1.4M | 4,000 | $356.31 | 116,495 |
MATZ MARILYN | Sell | Jul 15, 2026 | $427,572.00 | 1,200 | $356.31 | 16,241 |
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 |