PTC INC (PTC) Stock Institutional Trading Activity


PTC INC (PTC) position changes reported by tracked institutional filers across multiple SEC 13F reporting periods. Based on recent SEC 13F filings (Q4 2025), investors with some of the largest reported share count changes include Renaissance Technologies LLC, Eagle Capital Management, ARK Invest, Sequoia Financial Advisors, and Parnassus Endeavor Fund. Explore insights into buying and selling patterns, position changes, and investment conviction levels to understand institutional trading behavior and market dynamics.

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Portfolio quarterNameTypeQuantityRemainingReported stock balance
Q2 2024Durable Capital PartnersSell-72,457710,316$129,043,108
Q2 2024Lone Pine CapitalSell-419,7592,548,199$462,931,312
Q1 2024ARK InvestBuy23427,454$5,187,159
Q1 2024Sequoia Financial AdvisorsBuy1,1201,120$211,613
Q1 2024Parnassus Endeavor FundBuy115,819119,363$22,552,445
Q1 2024Durable Capital PartnersBuy73,454782,773$147,897,131
Q1 2024Lone Pine CapitalSell-198,5052,967,958$560,765,985
Q4 2023ARK InvestSell-8,35427,220$4,762,411
Q4 2023Durable Capital PartnersBuy709,319709,319$124,102,452
Q3 2023ARK InvestSell-14,42135,574$5,040,124
Q3 2023Lone Pine CapitalSell-1,0573,166,463$448,624,478
Q2 2023ARK InvestSell-70749,995$7,114,289
Q2 2023Lone Pine CapitalBuy486,0733,167,520$450,738,096
Q1 2023ARK InvestSell-7,66050,702$6,501,517
Q1 2023Renaissance Technologies LLCSell-180,10038,600$4,950
Q1 2023Parnassus Endeavor FundBuy9073,544$454,447
Q4 2022ARK InvestSell-11,20358,362$7,005,774
Q4 2022Parnassus Endeavor FundBuy2,6372,637$316,545
Q4 2022Lone Pine CapitalBuy161,4592,681,447$321,880,898
Q3 2022ARK InvestSell-17,03969,565$7,276
Q3 2022Renaissance Technologies LLCSell-87,800218,700$22,876
Q3 2022Lone Pine CapitalBuy2,519,9882,519,988$263,591
Q2 2022ARK InvestSell-1,71786,604$10,092
Q2 2022Renaissance Technologies LLCBuy268,700306,500$32,593
Q1 2022ARK InvestSell-38,47688,321$9,514
Q1 2022Renaissance Technologies LLCSell-147,90037,800$4,072
Q4 2021ARK InvestBuy80126,797$15,361
Q3 2021ARK InvestSell-38,251126,717$15,179
Q3 2021Renaissance Technologies LLCBuy109,600185,700$22,245
Q2 2021ARK InvestSell-24,113164,968$23,303

Frequently asked questions about PTC activity

  • Which institutional owners are buying PTC?

    Institutional owners buying PTC 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 PTC activity?

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

  • Is institutional interest in PTC increasing?

    Institutional interest in PTC 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.