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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 10 sales; 1,428 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.

13F holders, Q2 2026

Institutional positions in Teradyne, Inc as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
1,428
+207 vs. Q1 2026
Shares held
152.2M
+7.97M (+5.5%) vs. Q1 2026
Total value
$73.2B
+$30.6B (+71.9%) vs. Q1 2026
New holders
336
493 more added
Sold out
129
465 more reduced

13 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting TER on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 1,428 institutions
Q1 2021: 686 institutionsQ2 2021: 712 institutionsQ3 2021: 681 institutionsQ4 2021: 747 institutionsQ1 2022: 721 institutionsQ2 2022: 655 institutionsQ3 2022: 635 institutionsQ4 2022: 643 institutionsQ1 2023: 663 institutionsQ2 2023: 690 institutionsQ3 2023: 684 institutionsQ4 2023: 712 institutionsQ1 2024: 683 institutionsQ2 2024: 756 institutionsQ3 2024: 757 institutionsQ4 2024: 777 institutionsQ1 2025: 746 institutionsQ2 2025: 728 institutionsQ3 2025: 830 institutionsQ4 2025: 1,040 institutionsQ1 2026: 1,234 institutionsQ2 2026: 1,428 institutions
Value heldQ2 2026: $73.2B
Q1 2021: $19.0BQ2 2021: $21.2BQ3 2021: $17.1BQ4 2021: $25.9BQ1 2022: $18.7BQ2 2022: $14.0BQ3 2022: $11.6BQ4 2022: $13.6BQ1 2023: $17.0BQ2 2023: $17.7BQ3 2023: $15.6BQ4 2023: $17.1BQ1 2024: $18.2BQ2 2024: $23.8BQ3 2024: $21.3BQ4 2024: $20.1BQ1 2025: $12.8BQ2 2025: $14.5BQ3 2025: $22.2BQ4 2025: $29.2BQ1 2026: $42.8BQ2 2026: $73.2B
Institutions holding TER and their total value by quarter
QuarterHoldersValue
Q2 20261,428$73.2B
Q1 20261,234$42.8B
Q4 20251,040$29.2B
Q3 2025830$22.2B
Q2 2025728$14.5B
Q1 2025746$12.8B
Q4 2024777$20.1B
Q3 2024757$21.3B
Q2 2024756$23.8B
Q1 2024683$18.2B
Q4 2023712$17.1B
Q3 2023684$15.6B
Q2 2023690$17.7B
Q1 2023663$17.0B
Q4 2022643$13.6B
Q3 2022635$11.6B
Q2 2022655$14.0B
Q1 2022721$18.7B
Q4 2021747$25.9B
Q3 2021681$17.1B
Q2 2021712$21.2B
Q1 2021686$19.0B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Teradyne, Inc; share changes are against Q1 2026.

Institutions holding TER in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Great West Life Assurance Co187,073$90.3M0.14%+40,888+28.0%Added
Cerity Partners LLC186,605$90.3M0.11%−17,630−8.6%Reduced
Alliancebernstein L.P.298,576$88.5M0.03%−268,349−47.3%Reduced
Principal Financial Group Inc181,980$88.0M0.04%−91,373−33.4%Reduced
Employees Provident Fund Board180,242$87.2M0.50%+180,242New
Bank of Nova Scotia179,932$87.1M0.13%+113,156+169.5%Added
Tensor Edge Capital, LLC178,178$86.2M6.04%+673+0.4%Added
Defiance ETFs, LLC191,977$82.0M1.14%−14,762−7.1%Reduced
Schroder Investment Management Group168,622$81.6M0.06%+84,367+100.1%Added
Man Group plc165,432$80.0M0.15%+68,459+70.6%Added
Omers Administration Corp152,397$73.7M0.44%+143,223+1,561.2%Added
Eventide Asset Management, LLC147,984$71.4M0.95%+20,518+16.1%Added
Nordea Investment Management AB142,019$68.2M0.06%−41,292−22.5%Reduced
Hood River Capital Management LLC140,435$67.9M0.49%+52,665+60.0%Added
Natixis140,289$67.9M0.32%+43,127+44.4%Added
Adage Capital Partners GP, L.L.C.139,524$67.5M0.09%−800−0.6%Reduced
State Board of Administration of Florida Retirement System137,766$66.7M0.11%−644−0.5%Reduced
Aviva PLC136,843$66.2M0.10%+32,477+31.1%Added
Westfield Capital Management Co LP136,491$66.0M0.22%+136,491New
Nissay Asset Management Corp134,875$65.3M0.28%+41,472+44.4%Added
Nomura Asset Management International Inc.131,572$63.7M0.10%+45,497+52.9%Added
Mariner, LLC129,275$62.5M0.07%+13,854+12.0%Added
Robeco Schweiz AG129,176$62.5M1.00%−6,560−4.8%Reduced
Toroso Investments, LLC128,876$62.4M0.15%+72,326+127.9%Added
Victory Capital Management Inc128,733$62.3M0.03%+69,512+117.4%Added
Ieq Capital, LLC128,353$62.1M0.29%−36,182−22.0%Reduced
Handelsbanken Fonder AB127,990$61.9M0.18%+3,250+2.6%Added
Korea Investment CORP125,732$60.8M0.12%−173,851−58.0%Reduced
Exchange Traded Concepts, LLC125,618$60.8M0.30%+3,210+2.6%Added
Standard Life Aberdeen plc122,016$59.0M0.08%−814−0.7%Reduced
New York State Teachers Retirement System121,881$59.0M0.11%−3,731−3.0%Reduced
LPL Financial LLC121,004$58.5M0.01%−9,836−7.5%Reduced
Alta Park Capital, LP120,779$58.4M5.42%+27,243+29.1%Added
Glenmede Trust Co NA120,387$58.2M0.26%−10,135−7.8%Reduced
Winslow Asset Management Inc118,259$57.2M9.95%−14,642−11.0%Reduced
Silvant Capital Management LLC118,047$57.1M1.66%+118,047New
Mirae Asset Global ETFs Holdings Ltd.118,659$56.9M0.07%+84,560+248.0%Added
NEOS Investment Management LLC117,326$56.8M0.21%+95,081+427.4%Added
APG Asset Management N.V.131,854$55.8M0.14%+26,314+24.9%Added
Teacher Retirement System of Texas115,285$55.8M0.15%−20,884−15.3%Reduced
Deroy & Devereaux Private Investment Counsel Inc114,066$55.2M2.30%−51,007−30.9%Reduced
CIBC Bancorp USA Inc.135,917$55.0M0.07%+102,058+301.4%Added
PFA Pension, Forsikringsaktieselskab110,347$53.4M0.14%−30,007−21.4%Reduced
Amanah Holdings Trust110,000$53.2M3.13%00.0%Unchanged
Gotham Asset Management, LLC108,040$52.3M0.12%−20,368−15.9%Reduced
Congress Asset Management Co107,915$52.2M0.32%−532−0.5%Reduced
Macquarie Group Ltd106,434$51.5M0.22%+5,878+5.8%Added
SEI Investments Co106,113$51.3M0.05%−65,196−38.1%Reduced
ING Groep NV105,982$51.3M0.25%+8,484+8.7%Added
Universal- Beteiligungs- und Servicegesellschaft mbH105,367$50.7M0.08%−1,109−1.0%Reduced
Driehaus Capital Management LLC103,485$50.1M0.29%−81,280−44.0%Reduced
Envestnet Asset Management Inc99,122$48.0M0.01%+14,783+17.5%Added
Bridgewater Associates, LP98,627$47.7M0.20%−240,319−70.9%Reduced
Jupiter Asset Management Ltd97,994$47.4M0.24%+97,994New
Windward Capital Management Co97,979$47.4M3.59%−976−1.0%Reduced
Calamos Advisors LLC96,290$46.6M0.17%−2,814−2.8%Reduced
State of Wisconsin Investment Board96,209$46.5M0.09%−6,281−6.1%Reduced
Mitsubishi UFJ Trust & Banking Corp93,353$45.2M0.10%+12,474+15.4%Added
Storebrand Asset Management AS91,877$44.5M0.11%−52,517−36.4%Reduced
Wealth Enhancement Advisory Services, LLC131,107$44.4M0.07%+77,232+143.4%Added
Rokos Capital Management LLP91,693$44.4M0.56%−11,277−11.0%Reduced
New York State Common Retirement Fund88,833$43.0M0.05%−3,000−3.3%Reduced
Manufacturers Life Insurance Company, The86,726$42.0M0.03%−3,495−3.9%Reduced
Danske Bank A/S86,720$42.0M0.08%−5,660−6.1%Reduced
Frontier Capital Management Co LLC84,563$40.9M0.38%−98,641−53.8%Reduced
Ceredex Value Advisors LLC84,133$40.7M1.15%−72,520−46.3%Reduced
KLP Kapitalforvaltning AS83,040$40.2M0.13%+23,040+38.4%Added
Stephens Investment Management Group LLC82,466$39.9M0.43%+1,666+2.1%Added
Ossiam82,135$39.7M0.53%+82,135New
Illinois Municipal Retirement Fund82,098$39.7M0.45%−17,105−17.2%Reduced
Temasek Holdings (Private) Ltd81,246$39.3M0.11%−8,244−9.2%Reduced
Vanguard Investments Australia, Ltd.80,109$38.8M0.10%+2,034+2.6%Added
CI Private Wealth, LLC79,583$38.5M0.05%−5,248−6.2%Reduced
National Bank of Canada78,667$38.1M0.03%−30,131−27.7%Reduced
Parnassus Investments78,406$37.9M0.10%−3,046−3.7%Reduced
Swedbank AB77,709$37.6M0.03%+23,369+43.0%Added
Los Angeles Capital Management LLC76,835$37.2M0.14%−32,187−29.5%Reduced
Chevy Chase Trust Holdings, Inc.75,586$36.6M0.09%−1,565−2.0%Reduced
Telemark Asset Management, LLC75,000$36.3M2.62%+5,000+7.1%Added
Federation des caisses Desjardins du Quebec73,524$35.6M0.11%+34,191+86.9%Added
Royal London Asset Management Ltd73,347$35.5M0.07%−543−0.7%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)72,883$35.3M0.07%+23,259+46.9%Added
Creative Planning72,200$34.9M0.02%+12,902+21.8%Added
Nearwater Capital Markets, Ltd72,000$34.8M0.60%−153,000−68.0%Reduced
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund71,970$34.8M0.17%+13,120+22.3%Added
Natixis Advisors, L.P.71,822$34.8M0.04%+7,506+11.7%Added
Mercer Global Advisors Inc71,530$34.6M0.04%+13,379+23.0%Added
Voya Investment Management LLC71,415$34.6M0.03%+40,506+131.0%Added
Capital Research Global Investors69,802$33.8M0.00%−283−0.4%Reduced
Asset Management One Co.,Ltd.67,867$32.8M0.08%+793+1.2%Added
Gateway Investment Advisers LLC67,527$32.7M0.32%−13,294−16.4%Reduced
Citadel Advisors LLC67,515$32.7M0.02%−283,820−80.8%Reduced
SG Americas Securities, LLC67,386$32.6M0.02%−384,719−85.1%Reduced
Canada Pension Plan Investment Board67,039$32.4M0.02%+12,220+22.3%Added
Treasurer of the State of North Carolina66,710$32.3M0.08%−330−0.5%Reduced
Agf Management Ltd66,326$32.1M0.12%−10,282−13.4%Reduced
Nykredit A/S65,489$31.7M0.12%+65,489New
CIBC Asset Management Inc64,023$31.0M0.07%+26,752+71.8%Added
Andra AP-fonden63,760$30.8M0.35%+9,880+18.3%Added
Hel Ved Capital Management Ltd62,320$30.2M4.25%+62,320New