TERADYNE INC (TER) Institutional Ownership Changes & 13F Activity

TERADYNE INC (TER). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings. This page analyzes institutional buying and selling activity, new holdings, and sold-out positions among tracked filers. Notable filers include Lone Pine Capital, ARK Invest, Renaissance Technologies LLC, Parnassus Endeavor Fund, and Sequoia Financial Advisors.

Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q4 2018ARK InvestBuy859,2222,590,588$81,293
Q3 2018Renaissance Technologies LLCSell-1,432,800902,300$33,367
Q3 2018Vulcan Value PartnersBuy1,404,8745,620,568$207,849
Q3 2018ARK InvestBuy266,4111,731,366$64,026
Q2 2018Vulcan Value PartnersBuy4,215,6944,215,694$160,491
Q2 2018ARK InvestBuy934,6121,464,955$55,771
Q1 2018Renaissance Technologies LLCSell-1,851,3592,335,100$106,737
Q1 2018ARK InvestBuy223,434530,343$24,242
Q4 2017Renaissance Technologies LLCBuy908,0594,186,459$175,287
Q4 2017ARK InvestBuy68,760306,909$12,850
Q3 2017Renaissance Technologies LLCBuy1,391,7003,278,400$122,252
Q3 2017ARK InvestBuy65,231238,149$8,881
Q2 2017Renaissance Technologies LLCBuy1,259,5991,886,700$56,658
Q2 2017ARK InvestBuy42,031172,918$5,193
Q1 2017Renaissance Technologies LLCSell-509,099627,101$19,503
Q1 2017ARK InvestSell-36,851130,887$4,071
Q4 2016ARK InvestBuy167,738167,738$4,261
Q4 2016Renaissance Technologies LLCSell-91,1001,136,200$28,859
Q3 2016Renaissance Technologies LLCBuy941,1001,227,300$26,485
Q2 2016Renaissance Technologies LLCSell-36,300286,200$5,635
Q1 2016Renaissance Technologies LLCSell-863,100322,500$6,963
Q4 2015Renaissance Technologies LLCBuy791,0001,185,600$24,506
Q2 2015Renaissance Technologies LLCBuy344,500394,600$7,612
Q1 2015Renaissance Technologies LLCSell-108,10050,100$944
Q4 2014Renaissance Technologies LLCBuy158,200158,200$3,131
Q2 2014Miller Value PartnersSell-19,6251,159,925$22,735
Q1 2014Miller Value PartnersSell-4,0501,179,550$23,462
Q4 2013Miller Value PartnersBuy51,3501,183,600$20,856
Q3 2013Miller Value PartnersBuy38,9001,132,250$18,705
Q3 2013Olstein Capital ManagementBuy26,000527,000$8,706

Frequently asked questions about TER activity

  • Which institutional owners are buying TER?

    Institutional owners buying TER include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.

  • What does "buy" mean in TER activity?

    "Buy" means an investor increased their reported position in TER compared to the prior reporting period. This reflects growing exposure to TERADYNE INC (TER) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).

  • Is institutional interest in TER increasing?

    Institutional interest in TER can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.

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