TERADYNE INC TER
COM · Common Stock · CUSIP 880770102 · ISIN US8807701029
- SectorTechnology
- IndustryInstruments For Meas & Testing of Electricity & Elec Signals
- HeadquartersNorth Reading, MA
- Founded1960
- Websiteteradyne.com
- FilingsSEC EDGAR
* Summed across managers. Shares that two managers' reports both contain – a subsidiary's holdings that its parent's report includes too, or a sub-adviser's in its client's – are counted once ($172.0m this quarter). Holder counts are more reliable. Shares outstanding: 159.1m as of 2025-07-28, from the company's own SEC filing; the percentage can still exceed 100%: lent-out shares are counted by the lender and the buyer, and some reports overlap without saying so. Implied quarter-end price ≈ $89.99. Options: 23 managers hold calls ($157.3m notional), 28 hold puts ($604.9m).
Trends to Q2 2025
Institutional holders
Managers reporting a position, each quarter
Numbers
| Quarter | Holders |
|---|---|
| Q3 2022 | 635 |
| Q4 2022 | 641 |
| Q1 2023 | 662 |
| Q2 2023 | 690 |
| Q3 2023 | 685 |
| Q4 2023 | 711 |
| Q1 2024 | 682 |
| Q2 2024 | 756 |
| Q3 2024 | 756 |
| Q4 2024 | 776 |
| Q1 2025 | 748 |
| Q2 2025 | 729 |
Buyers vs sellers
Managers adding to or starting a position, vs cutting or selling out
Numbers
| Quarter | Bought or added | Cut or sold out |
|---|---|---|
| Q3 2023 | 308 | 324 |
| Q4 2023 | 301 | 352 |
| Q1 2024 | 323 | 331 |
| Q2 2024 | 384 | 296 |
| Q3 2024 | 397 | 326 |
| Q4 2024 | 349 | 363 |
| Q1 2025 | 379 | 393 |
| Q2 2025 | 358 | 394 |
Calls vs puts
Options held, notional value, last 4 quarters. P/C = puts ÷ calls
Numbers
| Quarter | Calls | Puts | P/C |
|---|---|---|---|
| Q3 2024 | $225.4m | $333.1m | 1.48 |
| Q4 2024 | $188.1m | $508.2m | 2.70 |
| Q1 2025 | $109.2m | $408.4m | 3.74 |
| Q2 2025 | $157.3m | $604.9m | 3.84 |
Biggest buyers
| FEDERATED HERMES, INC. | Added | +1.7m |
| MORGAN STANLEY | Added | +1.6m |
| Amundi | Added | +1.3m |
| PRIMECAP MANAGEMENT CO/CA/ | Added | +1.1m |
| Woodline Partners LP | Added | +1.1m |
| Rafferty Asset Management, LLC | Added | +856.5k |
| BANK OF AMERICA CORP /DE/ | Added | +781.5k |
| ROYAL BANK OF CANADA | Added | +711.0k |
| Allspring Global Investments Holdings, LLC | Added | +652.2k |
| CITADEL ADVISORS LLC | Added | +618.1k |
Biggest sellers
| FMR LLC | Reduced | -1.4m |
| MACQUARIE GROUP LTD | Reduced | -1.0m |
| Cubist Systematic Strategies, LLC | Sold out | -763.2k |
| JPMORGAN CHASE & CO | Reduced | -693.7k |
| BlackRock, Inc. | Reduced | -640.3k |
| JACOBS LEVY EQUITY MANAGEMENT, INC | Sold out | -589.5k |
| TUDOR INVESTMENT CORP ET AL | Reduced | -586.1k |
| WESTFIELD CAPITAL MANAGEMENT CO LP | Sold out | -574.5k |
| GOLDMAN SACHS GROUP INC | Reduced | -573.6k |
| AQR CAPITAL MANAGEMENT LLC | Reduced | -497.7k |
Biggest calls
| CITADEL ADVISORS LLC | Added | $35.4m393.3k shares |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Reduced | $25.9m288.3k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $23.0m256.3k shares |
| SIMPLEX TRADING, LLC | Added | $9.5m105.2k shares |
| Walleye Trading LLC | Added | $8.4m92.9k shares |
| IMC-Chicago, LLC | Reduced | $7.6m84.9k shares |
| Twin Tree Management, LP | Added | $7.6m84.1k shares |
| TUDOR INVESTMENT CORP ET AL | Added | $7.0m78.0k shares |
| JANE STREET GROUP, LLC | Reduced | $5.4m59.7k shares |
| WOLVERINE TRADING, LLC | New | $5.1m56.8k shares |
Biggest puts
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | Added | $334.7m3.7m shares |
| JANE STREET GROUP, LLC | Added | $45.8m509.7k shares |
| CITADEL ADVISORS LLC | Added | $45.2m502.8k shares |
| CAPITAL FUND MANAGEMENT S.A. | Added | $20.7m229.7k shares |
| IMC-Chicago, LLC | Added | $17.8m198.2k shares |
| D. E. Shaw & Co., Inc. | Added | $13.9m155.0k shares |
| PEAK6 LLC | Reduced | $13.4m149.2k shares |
| BNP PARIBAS FINANCIAL MARKETS | Added | $12.6m1.4k shares |
| SIMPLEX TRADING, LLC | Reduced | $12.2m135.5k shares |
| Twin Tree Management, LP | Reduced | $12.0m134.0k shares |
Options at notional value: the value of the shares the contracts control, as filers report them, not what the options cost. Not included in the holders, shares or buying above.
Major shareholders (over 5%)
Anyone who owns more than 5% of a class of the company's shares has to say so: on Schedule 13D if they may try to influence or control the company, on 13G if they're a passive investor, and update it as the stake changes. Each holder's latest filing, from 19 Dec 2024 on; percentages are of the share class, as the holder worked them out.
| Holder | Stake |
|---|---|
| BlackRock, Inc. 13G · institution +1.0 pts · filed 2026-07-30 | 11.1% |
| VANGUARD CAPITAL MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 7.5% |
| VANGUARD PORTFOLIO MANAGEMENT LLC 13G · institution new · filed 2026-04-29 | 5.5% |
Fell to 5% or below in the last year: VANGUARD GROUP INC (0.0%, 2026-03-27; now reported by VANGUARD CAPITAL MANAGEMENT LLC)
Insider purchases and sales in Q2 2025
Shares bought or sold by the company's own officers, directors and 10% owners, in the open market or privately, as they reported to the SEC on Form 4 (due within two business days of the trade). Grants, option exercises, shares withheld for tax and gifts aren't included.
Officers and directors buying vs selling
Number of people, by quarter (10% owners not included)
Numbers
| Quarter | Buying | Bought | Selling | Sold | Sold under a plan |
|---|---|---|---|---|---|
| Q3 2023 | 0 | — | 3 | $2.8m | $2.5m |
| Q4 2023 | 0 | — | 2 | $173.9k | — |
| Q1 2024 | 2 | $95.5k | 2 | $1.2m | $1.0m |
| Q2 2024 | 0 | — | 3 | $1.3m | $1.3m |
| Q3 2024 | 0 | — | 3 | $1.5m | $1.5m |
| Q4 2024 | 0 | — | 3 | $1.2m | $1.2m |
| Q1 2025 | 0 | — | 5 | $2.1m | $2.1m |
| Q2 2025 | 0 | — | 0 | — | — |
None reported in Q2 2025.
Holders, Q2 2025
| Manager | Shares | Change |
|---|---|---|
| VANGUARD GROUP INC 0.03% of their portfolio | 21.0m $1.9bn | Added +50.5k |
| BlackRock, Inc. 0.03% of their portfolio | 15.8m $1.4bn | Reduced -640.3k |
| STATE STREET CORP 0.02% of their portfolio | 7.0m $628.9m | Reduced -32.5k |
| FMR LLC 0.03% of their portfolio | 6.5m $587.2m | Reduced -1.4m |
| VAN ECK ASSOCIATES CORP 0.56% of their portfolio | 5.5m $498.4m | Added +102.8k |
| AMERIPRISE FINANCIAL INC 0.11% of their portfolio | 4.9m $442.4m | Added +143.1k |
| GEODE CAPITAL MANAGEMENT, LLC 0.03% of their portfolio | 4.2m $374.8m | Reduced -80.5k |
| JPMORGAN CHASE & CO 0.03% of their portfolio | 4.1m $369.5m | Reduced -693.7k |
| MORGAN STANLEY 0.02% of their portfolio | 3.8m $343.7m | Added +1.6m |
| FEDERATED HERMES, INC. 0.64% of their portfolio | 3.8m $340.4m | Added +1.7m |
| Allspring Global Investments Holdings, LLC 0.48% of their portfolio | 3.1m $286.6m | Added +652.2k |
| PRIMECAP MANAGEMENT CO/CA/ 0.22% of their portfolio | 3.0m $274.0m | Added +1.1m |
| Sumitomo Mitsui Trust Group, Inc. 0.16% of their portfolio | 2.9m $258.4m | Reduced -83.3k |
| Invesco Ltd. 0.04% of their portfolio | 2.9m $257.1m | Added +68.6k |
| Pictet Asset Management Holding SA 0.21% of their portfolio | 2.3m $204.1m | Added +3.1k |
| ARK Investment Management LLC 1.43% of their portfolio | 2.2m $195.5m | Reduced -69.4k |
| BARCLAYS PLC 0.08% of their portfolio | 2.2m $194.9m | Added +68.4k |
| Rafferty Asset Management, LLC 0.64% of their portfolio | 2.2m $194.8m | Added +856.5k |
| BANK OF AMERICA CORP /DE/ 0.02% of their portfolio | 2.1m $187.3m | Added +781.5k |
| ALKEON CAPITAL MANAGEMENT LLC 0.84% of their portfolio | 1.9m $173.8m | Added +450.0k |
| Amundi 0.06% of their portfolio | 1.8m $170.7m | Added +1.3m |
| NORGES BANK 0.02% of their portfolio | 1.7m $152.9m | Reduced -214.1k |
| Amova Asset Management Americas, Inc. 1.52% of their portfolio | 1.7m $151.9m | Reduced -93.8k |
| Woodline Partners LP 0.80% of their portfolio | 1.7m $151.9m | Added +1.1m |
| NORTHERN TRUST CORP 0.02% of their portfolio | 1.6m $144.2m | Reduced -20.0k |
| AMERICAN CENTURY COMPANIES INC 0.08% of their portfolio | 1.6m $143.0m | Added +470.6k |
| UBS Group AG 0.03% of their portfolio | 1.6m $140.0m | Added +365.8k |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.03% of their portfolio | 1.4m $128.8m | Added +94.9k |
| Legal & General Group Plc 0.03% of their portfolio | 1.4m $125.9m | Reduced -126.4k |
| Bank of New York Mellon Corp 0.02% of their portfolio | 1.4m $124.3m | Reduced -27.0k |
| ROYAL BANK OF CANADA 0.01% of their portfolio | 1.4m $122.3m | Added +711.0k |
| BNP PARIBAS FINANCIAL MARKETS 0.09% of their portfolio | 1.3m $118.2m | Added +482.0k |
| GOLDMAN SACHS GROUP INC 0.02% of their portfolio | 1.3m $114.9m | Reduced -573.6k |
| Assenagon Asset Management S.A. 0.16% of their portfolio | 1.1m $100.5m | Reduced -310.7k |
| CITIGROUP INC 0.07% of their portfolio | 1.1m $100.0m | Added +182.7k |
| DIMENSIONAL FUND ADVISORS LP 0.02% of their portfolio | 1.1m $99.6m | Added +6.0k |
| CITADEL ADVISORS LLC 0.08% of their portfolio | 1.1m $96.7m | Added +618.1k |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC 0.02% of their portfolio | 1.0m $91.3m | Added +536 |
| Qube Research & Technologies Ltd 0.11% of their portfolio | 914.7k $82.2m | Added +388.8k |
| AQR CAPITAL MANAGEMENT LLC 0.07% of their portfolio | 907.0k $81.6m | Reduced -497.7k |
| RENAISSANCE TECHNOLOGIES LLC 0.11% of their portfolio | 891.1k $80.1m | Added +425.4k |
| D. E. Shaw & Co., Inc. 0.08% of their portfolio | 875.4k $78.7m | Added +316.4k |
| LAZARD ASSET MANAGEMENT LLC 0.11% of their portfolio | 873.8k $78.6m | Reduced -9.9k |
| DEUTSCHE BANK AG\ 0.02% of their portfolio | 677.2k $60.9m | Added +17.9k |
| DekaBank Deutsche Girozentrale 0.10% of their portfolio | 650.8k $58.3m | Reduced -2.3k |
| TWO SIGMA INVESTMENTS, LP 0.10% of their portfolio | 644.4k $57.9m | Added +106.7k |
| RAYMOND JAMES FINANCIAL INC 0.02% of their portfolio | 599.6k $53.9m | Reduced -337.8k |
| FRONTIER CAPITAL MANAGEMENT CO LLC 0.49% of their portfolio | 589.7k $53.0m | Added +544.3k |
| Pacer Advisors, Inc. 0.12% of their portfolio | 535.7k $48.2m | Added +526.3k |
| Swiss National Bank 0.03% of their portfolio | 490.2k $44.1m | Added +30.8k |
| AXA S.A. 0.12% of their portfolio | 475.4k $42.7m | Reduced -427.7k |
| Schonfeld Strategic Advisors LLC 0.30% of their portfolio | 443.7k $39.9m | Added +438.5k |
| HSBC HOLDINGS PLC 0.03% of their portfolio | 441.5k $39.7m | Reduced -96.0k |
| Andra AP-fonden 0.54% of their portfolio | 433.5k $39.0m | Added +215.4k |
| Boston Trust Walden Corp 0.27% of their portfolio | 427.4k $38.4m | Added +22.6k |
| OVERSEA-CHINESE BANKING Corp Ltd 1.03% of their portfolio | 404.7k $36.4m | Reduced -15.0k |
| California Public Employees Retirement System 0.02% of their portfolio | 401.2k $36.1m | Reduced -92.1k |
| Allianz Asset Management GmbH 0.05% of their portfolio | 382.4k $34.4m | Reduced -73.3k |
| Nuveen, LLC 0.01% of their portfolio | 370.5k $33.3m | Reduced -174 |
| Engineers Gate Manager LP 0.40% of their portfolio | 354.0k $31.8m | Added +95.6k |
| TWO SIGMA ADVISERS, LP 0.06% of their portfolio | 344.3k $31.0m | Added +241.3k |
| NATIONAL BANK OF CANADA /FI/ 0.03% of their portfolio | 341.2k $30.7m | Added +191.8k |
| Cerity Partners LLC 0.05% of their portfolio | 336.4k $30.2m | Added +4.6k |
| JANUS HENDERSON GROUP PLC 0.01% of their portfolio | 331.1k $29.8m | Added +24.1k |
| Robeco Schweiz AG 0.68% of their portfolio | 327.3k $29.4m | Added +62.0k |
| NATIXIS 0.14% of their portfolio | 316.3k $28.4m | Added +16.4k |
| Mitsubishi UFJ Asset Management Co., Ltd. 0.02% of their portfolio | 316.1k $28.4m | Added +21.9k |
| FIRST TRUST ADVISORS LP 0.02% of their portfolio | 315.7k $28.4m | Added +181.4k |
| CANADA LIFE ASSURANCE Co 0.04% of their portfolio | 315.3k $28.4m | Reduced -20.2k |
| TWINBEECH CAPITAL LP 0.63% of their portfolio | 307.8k $27.7m | Reduced -129.5k |
| RHUMBLINE ADVISERS 0.02% of their portfolio | 304.7k $27.4m | Reduced -30.3k |
| FULLER & THALER ASSET MANAGEMENT, INC. 0.10% of their portfolio | 296.7k $26.7m | Added +105.0k |
| BANK OF MONTREAL /CAN/ 0.01% of their portfolio | 281.2k $25.3m | Added +156.8k |
| Point72 Asset Management, L.P. 0.06% of their portfolio | 277.8k $25.0m | Reduced -211.2k |
| Mirae Asset Global Investments Co., Ltd. 0.09% of their portfolio | 277.0k $24.9m | Added +9.1k |
| MILLENNIUM MANAGEMENT LLC 0.02% of their portfolio | 276.5k $24.9m | Reduced -283.5k |
| CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM 0.03% of their portfolio | 272.7k $24.5m | Added +5.3k |
| ACADIAN ASSET MANAGEMENT LLC 0.05% of their portfolio | 272.4k $24.5m | Added +243.3k |
| Man Group plc 0.05% of their portfolio | 271.1k $24.4m | Reduced -17.3k |
| Quantinno Capital Management LP 0.10% of their portfolio | 254.3k $22.9m | Added +119.1k |
| PRICE T ROWE ASSOCIATES INC /MD/ 0.00% of their portfolio | 237.4k $21.3m | Added +312 |
| PARNASSUS INVESTMENTS, LLC 0.05% of their portfolio | 232.9k $20.9m | Reduced -9.1k |
| SEI INVESTMENTS CO 0.02% of their portfolio | 232.3k $20.9m | Reduced -25.3k |
| Rokos Capital Management LLP 0.35% of their portfolio | 232.2k $20.9m | Unchanged |
| EXCHANGE TRADED CONCEPTS, LLC 0.26% of their portfolio | 229.2k $20.6m | Added +44.0k |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP 0.03% of their portfolio | 226.1k $20.3m | Reduced -150.0k |
| TORONTO DOMINION BANK 0.04% of their portfolio | 224.3k $20.2m | Added +142.7k |
| Penserra Capital Management LLC 0.28% of their portfolio | 222.8k $20.0m | Added +86.0k |
| PRUDENTIAL FINANCIAL INC 0.02% of their portfolio | 211.3k $19.0m | Reduced -123.4k |
| HRT FINANCIAL LP 0.10% of their portfolio | 203.4k $18.3m | New |
| CANADA PENSION PLAN INVESTMENT BOARD 0.02% of their portfolio | 199.8k $18.0m | Added +25.4k |
| Glenmede Investment Management, LP 0.09% of their portfolio | 195.8k $17.6m | First filing |
| PRINCIPAL FINANCIAL GROUP INC 0.01% of their portfolio | 195.3k $17.6m | Reduced -30.8k |
| ALLIANCEBERNSTEIN L.P. 0.01% of their portfolio | 194.3k $17.5m | Added +23.7k |
| DEROY & DEVEREAUX PRIVATE INVESTMENT COUNSEL INC 0.94% of their portfolio | 192.3k $17.3m | Added +8.5k |
| Twin Tree Management, LP 0.43% of their portfolio | 191.5k $17.2m | Reduced -59.4k |
| Susquehanna Portfolio Strategies, LLC 0.37% of their portfolio | 189.4k $17.0m | New |
| MACQUARIE GROUP LTD 0.02% of their portfolio | 184.8k $16.6m | Reduced -1.0m |
| VOLORIDGE INVESTMENT MANAGEMENT, LLC 0.06% of their portfolio | 170.2k $15.3m | New |
| Janney Montgomery Scott LLC 0.04% of their portfolio | 165.0k $14.8m | Reduced -6.5k |